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All scheduled flights from Seattle to London (SEA-LHR)

US USA
United Kingdom GB
All scheduled flights from SEA to LHR. You can fly from Seattle to London non-stop on every weekday and the flight takes about 9 and a half hours. Flights with stops take between 15 to 18 hours depending on your flight and connection airport.
SEA-LHR
- Flight has a long layover time at the stop-airport and will affect your flight time.
- Change of terminals at the layover airport. This can go quickly or take time depending on the airport.
- Flight is partially or completely overnight (Red-eye flight).
- Airline or one of the airlines in the flight path is a low-cost carrier. Some travelers wants to avoid low-cost airlines.
- This is codeshare flight. A codeshare flight is an agreement between airlines to sell seats on each others flights. Click on the flight to see the actual flight operator.

Flying non-stop between SEA and LHR with is the fastest option. The flight takes about 9 hours and 15 minutes.

Yes. You can also arrive at Gatwick, LGW if you fly from Seattle (SEA).

LHR is the IATA airport code for Heathrow Airport, Heathrow.

Yes. LHR has 2 terminals and 105197 arriving passenger seats each day.

The transfer from LHR is 49 minutes by car to London and 20 minutes with train to Paddington Station.

Airlines that offer direct flights from Seattle (SEA) to London (LHR) is British Airways, Virgin Atlantic, Delta Air Lines and American Airlines.

The Boeing 787-9 with British Airways has 216 seats (1 business class) and the Airbus A330-300 with Delta Air Lines has 282 seats (1 business class).

It all depends on what dates you plan on flying. But the approximate round-trip price for one passenger with Iberia is $818 and with Finnair $825.

If you fly with American Airlines you will be arriving at Terminal 3 but if you choose to travel with British Airways you will be arriving at Terminal 5.