Iberia
flight
IB 3508:
Seattle-Tacoma - London Heathrow
Seattle-Tacoma - London Heathrow
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB3508
Valid until 2026-02-03
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Codeshare flight, operated by British Airways.
(BA 52)
Duration: 9:35, non-stop Boeing 777 (777)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3508
Effective 2026-02-17 through 2026-03-03
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Thu
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Fri
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Codeshare flight, operated by British Airways.
(BA 52)
Duration: 9:35, non-stop Boeing 777 (777)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3508
Valid until 2026-03-07
Mon
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Tue
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Wed
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Thu
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Fri
Sat
Sun
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Codeshare flight, operated by British Airways.
(BA 52)
Duration: 9:35, non-stop Boeing 777 (777)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3508
Effective 2026-03-30 through 2026-04-08
Mon
Tue
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Fri
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Codeshare flight, operated by British Airways.
(BA 52)
Duration: 9:15, non-stop Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3508
Effective 2026-04-10 through 2026-04-17
Mon
Tue
Wed
Thu
Fri
Sat
-
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Sun
Codeshare flight, operated by British Airways.
(BA 52)
Duration: 9:15, non-stop Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3508
Effective 2026-04-18 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways.
(BA 52)
Duration: 9:15, non-stop Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3508
Operates only on 2026-10-24
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by British Airways.
(BA 52)
Duration: 9:15, non-stop Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3508
Effective 2026-03-10 through 2026-03-24
Mon
-
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by British Airways.
(BA 52)
Duration: 9:35, non-stop Boeing 777 (777)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3508
Operates only on 2026-10-27
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by British Airways.
(BA 52)
Duration: 9:35, non-stop Boeing 777 (777)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3508
Effective 2026-03-13 through 2026-03-27
Mon
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Tue
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Wed
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Thu
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Fri
Sat
Sun
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Codeshare flight, operated by British Airways.
(BA 52)
Duration: 9:35, non-stop Boeing 777 (777)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3508
Operates only on 2026-03-28
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by British Airways.
(BA 52)
Duration: 9:35, non-stop Boeing 777 (777)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Iberia IB3508
Effective from 2026-10-30
Mon
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Tue
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Wed
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Thu
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Fri
Sat
Sun
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Codeshare flight, operated by British Airways.
(BA 52)
Duration: 9:35, non-stop Boeing 777 (777)
The flight arrives 1 day after departure.
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Parallax here SEA-LHR
- IB 3508 is an international flight departing from Seattle-Tacoma airport, United States (SEA) and arriving at London Heathrow airport, United Kingdom (LHR).
- The flight distance is 4783 miles, or 7697 km.
- The timezone of the departure airport is UTC-8 , 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 9:15 and 9:35.