Finnair flights from Boston Logan (BOS) to Madrid (MAD).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Wed-Sun 21:20 Boston Logan (BOS) E 10:20 Madrid (MAD) 4S
Finnair AY 5370 Non-stop Airbus A321neo (32Q) 7:00 Valid until 2026-01-18
Codeshare flight, operated by Iberia.(IB 346)
The flight arrives 1 day after departure.
Wed,Fri,Sun 21:20 Boston Logan (BOS) E 10:20 Madrid (MAD) 4S
Finnair AY 5370 Non-stop Airbus A321neo (32Q) 7:00 Effective 2026-01-21 through 2026-02-15
Codeshare flight, operated by Iberia.(IB 346)
The flight arrives 1 day after departure.
Daily 21:20 Boston Logan (BOS) E 10:20 Madrid (MAD) 4S
Finnair AY 5370 Non-stop Airbus A321neo (32Q) 7:00 Effective 2026-02-16 through 2026-03-07
Codeshare flight, operated by Iberia.(IB 346)
The flight arrives 1 day after departure.
Daily 21:20 Boston Logan (BOS) E 10:30 Madrid (MAD) 4S
Finnair AY 5370 Non-stop Airbus A321neo (32Q) 7:10 Effective 2026-03-29 through 2026-10-23
Codeshare flight, operated by Iberia.(IB 346)
The flight arrives 1 day after departure.
Daily 22:20 Boston Logan (BOS) E 10:20 Madrid (MAD) 4S
Finnair AY 5370 Non-stop Airbus A321neo (32Q) 7:00 Effective 2026-03-08 through 2026-03-27
Codeshare flight, operated by Iberia.(IB 346)
The flight arrives 1 day after departure.
Sat 22:20 Boston Logan (BOS) E 11:30 Madrid (MAD) 4S
Finnair AY 5370 Non-stop Airbus A321neo (32Q) 7:10 Operates only on 2026-03-28
Codeshare flight, operated by Iberia.(IB 346)
The flight arrives 1 day after departure.
Sat 22:20 Boston Logan (BOS) E 10:30 Madrid (MAD) 4S
Finnair AY 5370 Non-stop Airbus A321neo (32Q) 7:10 Operates only on 2026-10-24
Codeshare flight, operated by Iberia.(IB 346)
The flight arrives 1 day after departure.
Daily 22:20 Boston Logan (BOS) E 10:20 Madrid (MAD) 4S
Finnair AY 5370 Non-stop Airbus A321neo (32Q) 7:00 Effective from 2026-10-25
Codeshare flight, operated by Iberia.(IB 346)
The flight arrives 1 day after departure.
Mon,Tue,Thu-Sat 16:45 Boston Logan (BOS) E 05:45 Madrid (MAD) 4S
Finnair AY 5648 Non-stop Airbus A321neo (32Q) 7:00 Valid until 2026-01-20
Codeshare flight, operated by Iberia.(IB 348)
The flight arrives 1 day after departure.
Daily 16:45 Boston Logan (BOS) E 05:45 Madrid (MAD) 4S
Finnair AY 5648 Non-stop Airbus A321neo (32Q) 7:00 Effective 2026-01-21 through 2026-02-16
Codeshare flight, operated by Iberia.(IB 348)
The flight arrives 1 day after departure.
Mon,Wed,Sat 16:45 Boston Logan (BOS) E 05:45 Madrid (MAD) 4S
Finnair AY 5648 Non-stop Airbus A321neo (32Q) 7:00 Effective 2026-02-18 through 2026-02-28
Codeshare flight, operated by Iberia.(IB 348)
The flight arrives 1 day after departure.
Daily 16:45 Boston Logan (BOS) E 05:45 Madrid (MAD) 4S
Finnair AY 5648 Non-stop Airbus A321neo (32Q) 7:00 Effective 2026-03-01 through 2026-03-07
Codeshare flight, operated by Iberia.(IB 348)
The flight arrives 1 day after departure.
Mon,Wed-Sun 17:40 Boston Logan (BOS) E 06:50 Madrid (MAD) 4S
Finnair AY 5648 Non-stop Airbus A321neo (32Q) 7:10 Effective 2026-03-29 through 2026-06-15
Codeshare flight, operated by Iberia.(IB 348)
The flight arrives 1 day after departure.
Daily 17:40 Boston Logan (BOS) E 06:50 Madrid (MAD) 4S
Finnair AY 5648 Non-stop Airbus A321neo (32Q) 7:10 Effective 2026-06-16 through 2026-10-23
Codeshare flight, operated by Iberia.(IB 348)
The flight arrives 1 day after departure.
Daily 17:45 Boston Logan (BOS) E 05:45 Madrid (MAD) 4S
Finnair AY 5648 Non-stop Airbus A321neo (32Q) 7:00 Effective 2026-03-08 through 2026-03-27
Codeshare flight, operated by Iberia.(IB 348)
The flight arrives 1 day after departure.
Sat 17:45 Boston Logan (BOS) E 06:45 Madrid (MAD) 4S
Finnair AY 5648 Non-stop Airbus A321neo (32Q) 7:00 Operates only on 2026-03-28
Codeshare flight, operated by Iberia.(IB 348)
The flight arrives 1 day after departure.
Mon,Wed,Sat 17:45 Boston Logan (BOS) E 05:45 Madrid (MAD) 4S
Finnair AY 5648 Non-stop Airbus A321neo (32Q) 7:00 Effective from 2026-10-26
Codeshare flight, operated by Iberia.(IB 348)
The flight arrives 1 day after departure.
Sat 18:40 Boston Logan (BOS) E 06:50 Madrid (MAD) 4S
Finnair AY 5648 Non-stop Airbus A321neo (32Q) 7:10 Operates only on 2026-10-24
Codeshare flight, operated by Iberia.(IB 348)
The flight arrives 1 day after departure.




Feedback - Disclaimer - Privacy
FlightMapper.net Flight Search Countries Airlines
LANGUAGES
Finnair flights from Boston Logan (BOS) to Madrid (MAD).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY5370
21:20
Boston Logan (BOS) E

10:20(+1)
Madrid (MAD) 4S
Valid until 2026-01-18
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Iberia. (IB 346)
Duration: 7:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5370
21:20
Boston Logan (BOS) E

10:20(+1)
Madrid (MAD) 4S
Effective 2026-01-21 through 2026-02-15
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Iberia. (IB 346)
Duration: 7:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5370
21:20
Boston Logan (BOS) E

10:20(+1)
Madrid (MAD) 4S
Effective 2026-02-16 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Iberia. (IB 346)
Duration: 7:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5370
21:20
Boston Logan (BOS) E

10:30(+1)
Madrid (MAD) 4S
Effective 2026-03-29 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Iberia. (IB 346)
Duration: 7:10, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5370
22:20
Boston Logan (BOS) E

10:20(+1)
Madrid (MAD) 4S
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Iberia. (IB 346)
Duration: 7:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5370
22:20
Boston Logan (BOS) E

11:30(+1)
Madrid (MAD) 4S
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Iberia. (IB 346)
Duration: 7:10, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5370
22:20
Boston Logan (BOS) E

10:30(+1)
Madrid (MAD) 4S
Operates only on 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Iberia. (IB 346)
Duration: 7:10, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5370
22:20
Boston Logan (BOS) E

10:20(+1)
Madrid (MAD) 4S
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Iberia. (IB 346)
Duration: 7:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5648
16:45
Boston Logan (BOS) E

05:45(+1)
Madrid (MAD) 4S
Valid until 2026-01-20
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Iberia. (IB 348)
Duration: 7:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5648
16:45
Boston Logan (BOS) E

05:45(+1)
Madrid (MAD) 4S
Effective 2026-01-21 through 2026-02-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Iberia. (IB 348)
Duration: 7:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5648
16:45
Boston Logan (BOS) E

05:45(+1)
Madrid (MAD) 4S
Effective 2026-02-18 through 2026-02-28
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Iberia. (IB 348)
Duration: 7:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5648
16:45
Boston Logan (BOS) E

05:45(+1)
Madrid (MAD) 4S
Effective 2026-03-01 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Iberia. (IB 348)
Duration: 7:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5648
17:40
Boston Logan (BOS) E

06:50(+1)
Madrid (MAD) 4S
Effective 2026-03-29 through 2026-06-15
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Iberia. (IB 348)
Duration: 7:10, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5648
17:40
Boston Logan (BOS) E

06:50(+1)
Madrid (MAD) 4S
Effective 2026-06-16 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Iberia. (IB 348)
Duration: 7:10, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5648
17:45
Boston Logan (BOS) E

05:45(+1)
Madrid (MAD) 4S
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Iberia. (IB 348)
Duration: 7:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5648
17:45
Boston Logan (BOS) E

06:45(+1)
Madrid (MAD) 4S
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Iberia. (IB 348)
Duration: 7:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5648
17:45
Boston Logan (BOS) E

05:45(+1)
Madrid (MAD) 4S
Effective from 2026-10-26
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Iberia. (IB 348)
Duration: 7:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5648
18:40
Boston Logan (BOS) E

06:50(+1)
Madrid (MAD) 4S
Operates only on 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Iberia. (IB 348)
Duration: 7:10, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
  • An international route departing from Boston Logan airport, United States (BOS) and arriving at Madrid airport, Spain (MAD).
  • The flight distance is 3399 miles, or 5471 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC+1 . 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 7:00 and 7:10.
All BOS-MAD flights
All Finnair flights
Return (MAD-BOS) flights
Feedback     -     Disclaimer     -     Privacy