Flights from London Airport LHR to Seattle Airport SEA

We've found the cheapest flights to Seattle

Returns from £548.18

One-way from £618.40

Flying from London Heathrow to Seattle-Tacoma International is relatively easy as there are 13 who offer direct flights. These airliners include AlphaSky, Singapore Airlines, Aeromexico, KLM, Air France, Virgin Atlantic, Delta Air Lines, Iberia, Finnair, British Airways, American Airlines, Alaska Airlines and Aer Lingus. When travelling from London Heathrow you will cover about 4,786 miles before you reach Seattle-Tacoma International. This journey will take 9 Hours 52 Minutes.

The price of the flight is dependent on the time of the day you fly and the day of the week with weekends being normally a higher price. If you are on a tight budget then you should avoid flying at peak hours as the prices are more expensive. The cheapest flights are in the evenings and in mid week. We advise all our viewers to book well in advance. This way you will get the low priced tickets available.

The time zone at Seattle-Tacoma International is different from London Heathrow, so please be aware of this when making travel arrangements.

The table below displays the numbers of daily flights from London Heathrow (LHR) to Seattle-Tacoma International (SEA) and the relevant airlines that fly.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
Iberia121122109:2516:55VIEW FLIGHTS
Finnair121122109:2516:55VIEW FLIGHTS
British Airways121122109:2515:00VIEW FLIGHTS
American Airlines121122109:2516:55VIEW FLIGHTS
Alaska Airlines121122111:2016:55VIEW FLIGHTS
Aer Lingus121122109:2516:55VIEW FLIGHTS
Virgin Atlantic112121112:4018:30VIEW FLIGHTS
Delta Air Lines112121112:4015:50VIEW FLIGHTS
KLM112121012:4018:30VIEW FLIGHTS
Air France112121012:4018:30VIEW FLIGHTS
Singapore Airlines111111012:4013:15VIEW FLIGHTS
Aeromexico111111012:4013:15VIEW FLIGHTS
AlphaSky010011009:2509:25VIEW FLIGHTS

Flights from London Heathrow to Seattle-Tacoma International are very limited. Only Iberia operate flights, of which there is only 1 per week. The time of the departure for this flight is 09:25

If you would like more information on this flight the please visit the website for Iberia at iberia.com. You will be able to find the latest availability, prices and make your booking online.

Flight times for the route are summarised in the table below. These time were correct at the time of writing, but please be aware that times may vary from time to time so please check their website for exact times and the dates you wish to fly.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
13:15
AirlineFlight  No
AeromexicoAM7670
Singapore AirlinesSQ2515
Air FranceAF9904
KLMKL4812
Delta Air LinesDL5975
Virgin AtlanticVS105
15:00
AirlineFlight  No
British AirwaysBA49
16:55
AirlineFlight  No
FinnairAY5449
Aer LingusEI8749
Alaska AirlinesAS5267
American AirlinesAA6908
IberiaIB3507
VIEW FLIGHTS
Tuesday
09:25
AirlineFlight  No
FinnairAY5451
Aer LingusEI8753
American AirlinesAA6910
British AirwaysBA53
IberiaIB3509
AlphaSkyAS5269
11:20
AirlineFlight  No
Alaska AirlinesAS5269
13:15
AirlineFlight  No
AeromexicoAM7670
Singapore AirlinesSQ2515
Air FranceAF9904
KLMKL4812
Delta Air LinesDL5975
Virgin AtlanticVS105
15:00
AirlineFlight  No
British AirwaysBA49
16:55
AirlineFlight  No
FinnairAY5449
Aer LingusEI8749
Alaska AirlinesAS5267
American AirlinesAA6908
IberiaIB3507
VIEW FLIGHTS
Wednesday
13:15
AirlineFlight  No
AeromexicoAM7670
Singapore AirlinesSQ2515
Air FranceAF9904
KLMKL4812
Delta Air LinesDL5975
Virgin AtlanticVS105
15:00
AirlineFlight  No
British AirwaysBA49
15:50
AirlineFlight  No
Delta Air LinesDL21
16:55
AirlineFlight  No
FinnairAY5449
Aer LingusEI8749
Alaska AirlinesAS5267
American AirlinesAA6908
IberiaIB3507
18:30
AirlineFlight  No
Air FranceAF3586
KLMKL6022
Virgin AtlanticVS4036
VIEW FLIGHTS
Thursday
12:40
AirlineFlight  No
AeromexicoAM7670
Singapore AirlinesSQ2515
Air FranceAF9904
KLMKL4812
Delta Air LinesDL5975
Virgin AtlanticVS105
15:00
AirlineFlight  No
British AirwaysBA49
16:55
AirlineFlight  No
FinnairAY5449
Aer LingusEI8749
Alaska AirlinesAS5267
American AirlinesAA6908
IberiaIB3507
VIEW FLIGHTS
Friday
09:25
AirlineFlight  No
FinnairAY5451
Aer LingusEI8753
American AirlinesAA6910
British AirwaysBA53
IberiaIB3509
AlphaSkyAS5269
11:20
AirlineFlight  No
Alaska AirlinesAS5269
12:40
AirlineFlight  No
AeromexicoAM7670
Singapore AirlinesSQ2515
Air FranceAF9904
KLMKL4812
Delta Air LinesDL5975
Virgin AtlanticVS105
15:00
AirlineFlight  No
British AirwaysBA49
15:50
AirlineFlight  No
Delta Air LinesDL21
16:55
AirlineFlight  No
FinnairAY5449
Aer LingusEI8749
Alaska AirlinesAS5267
American AirlinesAA6908
IberiaIB3507
18:30
AirlineFlight  No
Air FranceAF3586
KLMKL6022
Virgin AtlanticVS4036
VIEW FLIGHTS
Saturday
09:25
AirlineFlight  No
FinnairAY5451
Aer LingusEI8753
American AirlinesAA6910
British AirwaysBA53
IberiaIB3509
AlphaSkyAS5269
11:20
AirlineFlight  No
Alaska AirlinesAS5269
13:05
AirlineFlight  No
AeromexicoAM7670
Singapore AirlinesSQ2515
Air FranceAF9904
KLMKL4812
Delta Air LinesDL5975
Virgin AtlanticVS105
15:00
AirlineFlight  No
British AirwaysBA49
16:55
AirlineFlight  No
FinnairAY5449
Aer LingusEI8749
Alaska AirlinesAS5267
American AirlinesAA6908
IberiaIB3507
VIEW FLIGHTS
Sunday
13:05
AirlineFlight  No
Virgin AtlanticVS105
15:00
AirlineFlight  No
British AirwaysBA49
15:50
AirlineFlight  No
Delta Air LinesDL21
16:55
AirlineFlight  No
FinnairAY5449
Aer LingusEI8749
Alaska AirlinesAS5267
American AirlinesAA6908
IberiaIB3507
VIEW FLIGHTS

Whilst you will find a bureau de change at Seattle-Tacoma International, we recommend you change some money before you depart if you don’t have the local currency. The exchange rates within any airport are not very favorable, so exchanging money before hand is a good idea.

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Flight Price FAQ - London (LHR) to Seattle (SEA)

DIRECT Iberia
What is the cheapest direct flight one way from London LHR to Seattle SEA?
The cheapest direct flight one way from London LHR to Seattle SEA is £618.40 ($775 €745.16)
£618.40
$775 | €745.16
Check Latest Price
DIRECT KLM
What is the cheapest direct return flight from London LHR to Seattle SEA?
The cheapest direct return flight from London LHR to Seattle SEA is £548.18 ($687 €660.55)
£548.18
$687 | €660.55
Check Latest Price
1+ STOP(S)
What is the cheapest flight one way from London LHR to Seattle SEA?
The cheapest flight one way from London LHR to Seattle SEA is £335.93 ($421 €404.79)
£335.93
$421 | €404.79
Check Latest Price
1+ STOP(S)
What is the cheapest return flight from London LHR to Seattle SEA?
The cheapest return flight from London LHR to Seattle SEA is £469.19 ($588 €565.36)
£469.19
$588 | €565.36
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from LHR to SEA

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Flight Info FAQ - London (LHR) to Seattle (SEA)

Who flies from London to Seattle?
The following airlines fly from London (LHR) to Seattle (SEA): Aer Lingus, Aeromexico, Air France, Alaska Airlines, AlphaSky, American Airlines, British Airways, Delta Air Lines, Finnair, Iberia, KLM, Singapore Airlines, Virgin Atlantic.
How far is the flight from London to Seattle?
The flight from London to Seattle is 7,702KM or 4,786 miles.
How long does the flight from London to Seattle to take?
The flight from London to Seattle takes 9 Hours 52 Minutes.

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