Iberia flights from Philadelphia (PHL) to London Heathrow (LHR).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 18:35 Philadelphia (PHL) A 06:35 London Heathrow (LHR) 3
Iberia IB 3518 Non-stop Airbus A350-1000 (351) 7:00 Valid until 2026-03-07
Codeshare flight, operated by British Airways.(BA 66)
The flight arrives 1 day after departure.
Daily 18:45 Philadelphia (PHL) A 06:50 London Heathrow (LHR) 3
Iberia IB 3518 Non-stop Airbus A350-1000 (351) 7:05 Effective 2026-03-29 through 2026-10-23
Codeshare flight, operated by British Airways.(BA 66)
The flight arrives 1 day after departure.
Sat 18:45 Philadelphia (PHL) A 05:50 London Heathrow (LHR) 3
Iberia IB 3518 Non-stop Airbus A350-1000 (351) 7:05 Operates only on 2026-10-24
Codeshare flight, operated by British Airways.(BA 66)
The flight arrives 1 day after departure.
Daily 19:35 Philadelphia (PHL) A 06:35 London Heathrow (LHR) 3
Iberia IB 3518 Non-stop Airbus A350-1000 (351) 7:00 Effective 2026-03-08 through 2026-03-27
Codeshare flight, operated by British Airways.(BA 66)
The flight arrives 1 day after departure.
Sat 19:35 Philadelphia (PHL) A 07:35 London Heathrow (LHR) 3
Iberia IB 3518 Non-stop Airbus A350-1000 (351) 7:00 Operates only on 2026-03-28
Codeshare flight, operated by British Airways.(BA 66)
The flight arrives 1 day after departure.
Daily 19:35 Philadelphia (PHL) A 06:35 London Heathrow (LHR) 3
Iberia IB 3518 Non-stop Airbus A350-1000 (351) 7:00 Effective from 2026-10-25
Codeshare flight, operated by British Airways.(BA 66)
The flight arrives 1 day after departure.
Daily 19:45 Philadelphia (PHL) A 07:50 London Heathrow (LHR) 3
Iberia IB 4664 Non-stop Boeing 787-9 (789) 7:05 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 728)
The flight arrives 1 day after departure.
Daily 19:46 Philadelphia (PHL) A 07:50 London Heathrow (LHR) 3
Iberia IB 4664 Non-stop Boeing 787-9 (789) 7:04 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 728)
The flight arrives 1 day after departure.
Daily 19:50 Philadelphia (PHL) A 07:50 London Heathrow (LHR) 3
Iberia IB 4664 Non-stop Boeing 787-9 (789) 7:00 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 728)
The flight arrives 1 day after departure.
Daily 20:45 Philadelphia (PHL) A 07:50 London Heathrow (LHR) 3
Iberia IB 4664 Non-stop Boeing 787-9 (789) 7:05 Effective 2026-03-08 through 2026-03-27
Codeshare flight, operated by American Airlines.(AA 728)
The flight arrives 1 day after departure.
Daily 22:20 Philadelphia (PHL) A 10:20 London Heathrow (LHR) 3
Iberia IB 4664 Non-stop Boeing 787-9 (789) 7:00 Effective 2026-03-28 through 2026-10-23
Codeshare flight, operated by American Airlines.(AA 728)
The flight arrives 1 day after departure.
Daily 19:40 Philadelphia (PHL) A 07:50 London Heathrow (LHR) 3
Iberia IB 4672 Non-stop Boeing 787-9 (789) 7:10 Effective 2026-03-29 through 2026-06-02
Codeshare flight, operated by American Airlines.(AA 736)
The flight arrives 1 day after departure.
Daily 19:55 Philadelphia (PHL) A 08:05 London Heathrow (LHR) 3
Iberia IB 4672 Non-stop Boeing 787-9 (789) 7:10 Effective 2026-06-03 through 2026-10-23
Codeshare flight, operated by American Airlines.(AA 736)
The flight arrives 1 day after departure.
Daily 20:50 Philadelphia (PHL) A 07:50 London Heathrow (LHR) 3
Iberia IB 4672 Non-stop Boeing 787-9 (789) 7:00 Effective from 2026-10-24
Codeshare flight, operated by American Airlines.(AA 736)
The flight arrives 1 day after departure.
Sat 19:55 Philadelphia (PHL) A 08:05 London Heathrow (LHR) 3
Iberia IB 8220 Non-stop Boeing 787-9 (789) 7:10 Operates only on 2026-03-28
Codeshare flight, operated by American Airlines.(AA 736)
The flight arrives 1 day after departure.




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Iberia flights from Philadelphia (PHL) to London Heathrow (LHR).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB3518
18:35
Philadelphia (PHL) A

06:35(+1)
London Heathrow (LHR) 3
Valid until 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 66)
Duration: 7:00, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3518
18:45
Philadelphia (PHL) A

06:50(+1)
London Heathrow (LHR) 3
Effective 2026-03-29 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 66)
Duration: 7:05, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3518
18:45
Philadelphia (PHL) A

05:50(+1)
London Heathrow (LHR) 3
Operates only on 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by British Airways. (BA 66)
Duration: 7:05, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3518
19:35
Philadelphia (PHL) A

06:35(+1)
London Heathrow (LHR) 3
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 66)
Duration: 7:00, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3518
19:35
Philadelphia (PHL) A

07:35(+1)
London Heathrow (LHR) 3
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by British Airways. (BA 66)
Duration: 7:00, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3518
19:35
Philadelphia (PHL) A

06:35(+1)
London Heathrow (LHR) 3
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 66)
Duration: 7:00, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB4664
19:45
Philadelphia (PHL) A

07:50(+1)
London Heathrow (LHR) 3
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 728)
Duration: 7:05, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB4664
19:46
Philadelphia (PHL) A

07:50(+1)
London Heathrow (LHR) 3
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 728)
Duration: 7:04, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB4664
19:50
Philadelphia (PHL) A

07:50(+1)
London Heathrow (LHR) 3
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 728)
Duration: 7:00, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB4664
20:45
Philadelphia (PHL) A

07:50(+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 728)
Duration: 7:05, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB4664
22:20
Philadelphia (PHL) A

10:20(+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 728)
Duration: 7:00, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB4672
19:40
Philadelphia (PHL) A

07:50(+1)
London Heathrow (LHR) 3
Effective 2026-03-29 through 2026-06-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 736)
Duration: 7:10, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB4672
19:55
Philadelphia (PHL) A

08:05(+1)
London Heathrow (LHR) 3
Effective 2026-06-03 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 736)
Duration: 7:10, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB4672
20:50
Philadelphia (PHL) A

07:50(+1)
London Heathrow (LHR) 3
Effective from 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 736)
Duration: 7:00, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB8220
19:55
Philadelphia (PHL) A

08:05(+1)
London Heathrow (LHR) 3
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 736)
Duration: 7:10, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
  • An international route departing from Philadelphia airport, United States (PHL) and arriving at London Heathrow airport, United Kingdom (LHR).
  • The flight distance is 3534 miles, or 5687 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 7:00 and 7:10.
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