Finnair flights from Boston Logan (BOS) to London Heathrow (LHR).

FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 19:15 Boston Logan (BOS) B 07:00 London Heathrow (LHR) 3 Finnair AY 3778 Non-stop Boeing 777-200 (772) 6:45 Valid until 2026-02-01 Codeshare flight, operated by American Airlines.(AA 108) The flight arrives 1 day after departure.
Mon-Thu 19:15 Boston Logan (BOS) B 07:00 London Heathrow (LHR) 3 Finnair AY 3778 Non-stop Boeing 777-200 (772) 6:45 Effective 2026-02-04 through 2026-02-12 Codeshare flight, operated by American Airlines.(AA 108) The flight arrives 1 day after departure.
Daily 19:15 Boston Logan (BOS) B 07:00 London Heathrow (LHR) 3 Finnair AY 3778 Non-stop Boeing 777-200 (772) 6:45 Effective 2026-02-13 through 2026-03-07 Codeshare flight, operated by American Airlines.(AA 108) The flight arrives 1 day after departure.
Daily 20:15 Boston Logan (BOS) B 07:00 London Heathrow (LHR) 3 Finnair AY 3778 Non-stop Boeing 777-200 (772) 6:45 Effective from 2026-10-25 Codeshare flight, operated by American Airlines.(AA 108) The flight arrives 1 day after departure.
Daily 20:20 Boston Logan (BOS) B 07:50 London Heathrow (LHR) 3 Finnair AY 3778 Non-stop Boeing 777-200 (772) 6:30 Effective 2026-03-28 through 2026-10-23 Codeshare flight, operated by American Airlines.(AA 108) The flight arrives 1 day after departure.
Daily 20:25 Boston Logan (BOS) B 07:00 London Heathrow (LHR) 3 Finnair AY 3778 Non-stop Boeing 777-200 (772) 6:35 Effective 2026-03-08 through 2026-03-27 Codeshare flight, operated by American Airlines.(AA 108) The flight arrives 1 day after departure.
Sat 20:30 Boston Logan (BOS) B 07:00 London Heathrow (LHR) 3 Finnair AY 3778 Non-stop Boeing 777-200 (772) 6:30 Operates only on 2026-10-24 Codeshare flight, operated by American Airlines.(AA 108) The flight arrives 1 day after departure.
Mon,Wed,Sat 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777 (777) 6:35 Valid until 2026-01-05 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Tue,Sun 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777-300ER (77W) 6:35 Valid until 2026-01-04 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Thu,Fri 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 787-9 (789) 6:35 Valid until 2026-01-02 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Mon-Thu,Sun 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777 (777) 6:35 Effective 2026-01-06 through 2026-01-14 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Thu-Sat 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 787-9 (789) 6:35 Effective 2026-01-09 through 2026-01-24 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Mon,Wed,Sun 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777 (777) 6:35 Effective 2026-01-18 through 2026-01-28 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Tue 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777-300ER (77W) 6:35 Effective 2026-01-20 through 2026-02-10 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Mon,Wed,Thu,Sun 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777 (777) 6:35 Effective 2026-01-29 through 2026-02-05 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Fri,Sat 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 787-9 (789) 6:35 Effective 2026-01-30 through 2026-02-06 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Mon,Wed,Thu,Sat,Sun 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777 (777) 6:35 Effective 2026-02-07 through 2026-02-16 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Tue,Wed,Fri 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 787-9 (789) 6:35 Effective 2026-02-13 through 2026-02-20 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Thu,Sat,Sun 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 787-10 (781) 6:35 Effective 2026-02-19 through 2026-02-22 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Mon,Wed,Thu,Sat,Sun 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777 (777) 6:35 Effective 2026-02-23 through 2026-03-07 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Tue 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777-300ER (77W) 6:35 Effective 2026-02-24 through 2026-03-03 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Fri 18:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 787-9 (789) 6:35 Effective 2026-02-27 through 2026-03-06 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Sun 19:30 Boston Logan (BOS) E 07:05 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Airbus A380 (388) 6:35 Effective 2026-03-29 through 2026-10-18 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Mon-Sat 19:35 Boston Logan (BOS) E 07:10 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Airbus A380 (388) 6:35 Effective 2026-03-30 through 2026-10-23 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Sat 19:35 Boston Logan (BOS) E 06:10 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Airbus A380 (388) 6:35 Operates only on 2026-10-24 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 19:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777 (777) 6:35 Effective 2026-03-08 through 2026-03-16 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Fri 19:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 787-9 (789) 6:35 Effective 2026-03-13 through 2026-03-20 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Tue 19:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777-300ER (77W) 6:35 Operates only on 2026-03-17 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 19:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777 (777) 6:35 Effective 2026-03-18 through 2026-03-26 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Fri 19:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777 (777) 6:35 Operates only on 2026-03-27 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Sat 19:55 Boston Logan (BOS) E 07:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777 (777) 6:35 Operates only on 2026-03-28 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Daily 19:55 Boston Logan (BOS) E 06:30 London Heathrow (LHR) 5 Finnair AY 5412 Non-stop Boeing 777 (777) 6:35 Effective from 2026-10-25 Codeshare flight, operated by British Airways.(BA 212) The flight arrives 1 day after departure.
Sun 07:25 Boston Logan (BOS) E 18:55 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-8 (788) 6:30 Operates only on 2026-03-29 Codeshare flight, operated by British Airways.(BA 238)
Daily 07:25 Boston Logan (BOS) E 18:55 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 777 (777) 6:30 Effective 2026-03-30 through 2026-04-18 Codeshare flight, operated by British Airways.(BA 238)
Daily 07:25 Boston Logan (BOS) E 18:55 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 777 (777) 6:30 Effective 2026-05-10 through 2026-10-24 Codeshare flight, operated by British Airways.(BA 238)
Mon-Wed,Fri,Sun 07:30 Boston Logan (BOS) E 19:00 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-10 (781) 6:30 Valid until 2026-01-05 Codeshare flight, operated by British Airways.(BA 238)
Thu 07:30 Boston Logan (BOS) E 19:00 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-8 (788) 6:30 Operates only on 2026-01-01 Codeshare flight, operated by British Airways.(BA 238)
Tue,Sat 07:30 Boston Logan (BOS) E 19:00 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-9 (789) 6:30 Effective 2026-01-03 through 2026-01-06 Codeshare flight, operated by British Airways.(BA 238)
Daily 07:30 Boston Logan (BOS) E 19:00 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-10 (781) 6:30 Effective 2026-01-07 through 2026-03-04 Codeshare flight, operated by British Airways.(BA 238)
Thu 07:30 Boston Logan (BOS) E 19:00 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-9 (789) 6:30 Operates only on 2026-03-05 Codeshare flight, operated by British Airways.(BA 238)
Fri,Sat 07:30 Boston Logan (BOS) E 19:00 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-10 (781) 6:30 Effective 2026-03-06 through 2026-03-07 Codeshare flight, operated by British Airways.(BA 238)
Sat 08:25 Boston Logan (BOS) E 18:55 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-9 (789) 6:30 Operates only on 2026-03-21 Codeshare flight, operated by British Airways.(BA 238)
Sat 08:25 Boston Logan (BOS) E 18:55 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-10 (781) 6:30 Operates only on 2026-03-28 Codeshare flight, operated by British Airways.(BA 238)
Tue,Wed,Fri-Sun 08:30 Boston Logan (BOS) E 19:00 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-10 (781) 6:30 Effective 2026-03-08 through 2026-03-18 Codeshare flight, operated by British Airways.(BA 238)
Mon 08:30 Boston Logan (BOS) E 19:00 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-9 (789) 6:30 Effective 2026-03-09 through 2026-03-16 Codeshare flight, operated by British Airways.(BA 238)
Thu 08:30 Boston Logan (BOS) E 19:00 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-8 (788) 6:30 Operates only on 2026-03-12 Codeshare flight, operated by British Airways.(BA 238)
Mon-Fri,Sun 08:30 Boston Logan (BOS) E 19:00 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-10 (781) 6:30 Effective 2026-03-19 through 2026-03-27 Codeshare flight, operated by British Airways.(BA 238)
Sun 08:30 Boston Logan (BOS) E 19:00 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 777 (777) 6:30 Operates only on 2026-10-25 Codeshare flight, operated by British Airways.(BA 238)
Mon-Sat 08:30 Boston Logan (BOS) E 19:00 London Heathrow (LHR) 5 Finnair AY 5438 Non-stop Boeing 787-10 (781) 6:30 Effective from 2026-10-26 Codeshare flight, operated by British Airways.(BA 238)
Mon-Wed,Fri,Sun 21:35 Boston Logan (BOS) E 09:15 London Heathrow (LHR) 5 Finnair AY 5502 Non-stop Boeing 777 (777) 6:40 Valid until 2026-01-07 Codeshare flight, operated by British Airways.(BA 202) The flight arrives 1 day after departure.

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An international route departing from Boston Logan airport, United States (BOS) and arriving at London Heathrow airport, United Kingdom (LHR).
The flight distance is 3254 miles, or 5237 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC+0 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 6:30 and 6:45.

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Finnair flights from Boston Logan (BOS) to London Heathrow (LHR).

FLIGHT SCHEDULE

Direct Codeshare Flights:

Finnair AY3778

19:15

Boston Logan (BOS) B

07:00(+1)

London Heathrow (LHR) 3

Valid until 2026-02-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 108)

Duration: 6:45, non-stop
Boeing 777-200 (772)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY3778

19:15

Boston Logan (BOS) B

07:00(+1)

London Heathrow (LHR) 3

Effective 2026-02-04 through 2026-02-12

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 108)

Duration: 6:45, non-stop
Boeing 777-200 (772)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY3778

19:15

Boston Logan (BOS) B

07:00(+1)

London Heathrow (LHR) 3

Effective 2026-02-13 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 108)

Duration: 6:45, non-stop
Boeing 777-200 (772)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY3778

20:15

Boston Logan (BOS) B

07:00(+1)

London Heathrow (LHR) 3

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 108)

Duration: 6:45, non-stop
Boeing 777-200 (772)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY3778

20:20

Boston Logan (BOS) B

07:50(+1)

London Heathrow (LHR) 3

Effective 2026-03-28 through 2026-10-23

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 108)

Duration: 6:30, non-stop
Boeing 777-200 (772)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY3778

20:25

Boston Logan (BOS) B

07:00(+1)

London Heathrow (LHR) 3

Effective 2026-03-08 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 108)

Duration: 6:35, non-stop
Boeing 777-200 (772)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY3778

20:30

Boston Logan (BOS) B

07:00(+1)

London Heathrow (LHR) 3

Operates only on 2026-10-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 108)

Duration: 6:30, non-stop
Boeing 777-200 (772)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Valid until 2026-01-05

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Valid until 2026-01-04

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Valid until 2026-01-02

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-01-06 through 2026-01-14

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-01-09 through 2026-01-24

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-01-18 through 2026-01-28

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-01-20 through 2026-02-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-01-29 through 2026-02-05

Mon

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-01-30 through 2026-02-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-02-07 through 2026-02-16

Mon

Tue
-

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-02-13 through 2026-02-20

Mon
-

Tue

Wed

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-02-19 through 2026-02-22

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-02-23 through 2026-03-07

Mon

Tue
-

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-02-24 through 2026-03-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

18:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-02-27 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

19:30

Boston Logan (BOS) E

07:05(+1)

London Heathrow (LHR) 5

Effective 2026-03-29 through 2026-10-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Airbus A380 (388)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

19:35

Boston Logan (BOS) E

07:10(+1)

London Heathrow (LHR) 5

Effective 2026-03-30 through 2026-10-23

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Airbus A380 (388)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

19:35

Boston Logan (BOS) E

06:10(+1)

London Heathrow (LHR) 5

Operates only on 2026-10-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Airbus A380 (388)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

19:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-03-08 through 2026-03-16

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

19:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-03-13 through 2026-03-20

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

19:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Operates only on 2026-03-17

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

19:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective 2026-03-18 through 2026-03-26

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

19:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Operates only on 2026-03-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

19:55

Boston Logan (BOS) E

07:30(+1)

London Heathrow (LHR) 5

Operates only on 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5412

19:55

Boston Logan (BOS) E

06:30(+1)

London Heathrow (LHR) 5

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by British Airways. (BA 212)

Duration: 6:35, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

Finnair AY5438

07:25

Boston Logan (BOS) E

18:55

London Heathrow (LHR) 5

Operates only on 2026-03-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-8 (788)

Direct Codeshare Flights:

Finnair AY5438

07:25

Boston Logan (BOS) E

18:55

London Heathrow (LHR) 5

Effective 2026-03-30 through 2026-04-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 777 (777)

Direct Codeshare Flights:

Finnair AY5438

07:25

Boston Logan (BOS) E

18:55

London Heathrow (LHR) 5

Effective 2026-05-10 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 777 (777)

Direct Codeshare Flights:

Finnair AY5438

07:30

Boston Logan (BOS) E

19:00

London Heathrow (LHR) 5

Valid until 2026-01-05

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-10 (781)

Direct Codeshare Flights:

Finnair AY5438

07:30

Boston Logan (BOS) E

19:00

London Heathrow (LHR) 5

Operates only on 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-8 (788)

Direct Codeshare Flights:

Finnair AY5438

07:30

Boston Logan (BOS) E

19:00

London Heathrow (LHR) 5

Effective 2026-01-03 through 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

Finnair AY5438

07:30

Boston Logan (BOS) E

19:00

London Heathrow (LHR) 5

Effective 2026-01-07 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-10 (781)

Direct Codeshare Flights:

Finnair AY5438

07:30

Boston Logan (BOS) E

19:00

London Heathrow (LHR) 5

Operates only on 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

Finnair AY5438

07:30

Boston Logan (BOS) E

19:00

London Heathrow (LHR) 5

Effective 2026-03-06 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-10 (781)

Direct Codeshare Flights:

Finnair AY5438

08:25

Boston Logan (BOS) E

18:55

London Heathrow (LHR) 5

Operates only on 2026-03-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

Finnair AY5438

08:25

Boston Logan (BOS) E

18:55

London Heathrow (LHR) 5

Operates only on 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-10 (781)

Direct Codeshare Flights:

Finnair AY5438

08:30

Boston Logan (BOS) E

19:00

London Heathrow (LHR) 5

Effective 2026-03-08 through 2026-03-18

Mon
-

Tue

Wed

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-10 (781)

Direct Codeshare Flights:

Finnair AY5438

08:30

Boston Logan (BOS) E

19:00

London Heathrow (LHR) 5

Effective 2026-03-09 through 2026-03-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-9 (789)

Direct Codeshare Flights:

Finnair AY5438

08:30

Boston Logan (BOS) E

19:00

London Heathrow (LHR) 5

Operates only on 2026-03-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-8 (788)

Direct Codeshare Flights:

Finnair AY5438

08:30

Boston Logan (BOS) E

19:00

London Heathrow (LHR) 5

Effective 2026-03-19 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-10 (781)

Direct Codeshare Flights:

Finnair AY5438

08:30

Boston Logan (BOS) E

19:00

London Heathrow (LHR) 5

Operates only on 2026-10-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 777 (777)

Direct Codeshare Flights:

Finnair AY5438

08:30

Boston Logan (BOS) E

19:00

London Heathrow (LHR) 5

Effective from 2026-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by British Airways. (BA 238)

Duration: 6:30, non-stop
Boeing 787-10 (781)

Direct Codeshare Flights:

Finnair AY5502

21:35

Boston Logan (BOS) E

09:15(+1)

London Heathrow (LHR) 5

Valid until 2026-01-07

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by British Airways. (BA 202)

Duration: 6:40, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

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An international route departing from Boston Logan airport, United States (BOS) and arriving at London Heathrow airport, United Kingdom (LHR).
The flight distance is 3254 miles, or 5237 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC+0 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 6:30 and 6:45.

All BOS-LHR flights

All Finnair flights

Return (LHR-BOS) flights

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