Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Flights
Hotels
1 traveler
Unsupported Browser!
Find Flights

Cheap Flights from London to Seattle, WA, United States - LON to SEA

Popular flights from London to Seattle

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Aer Lingus
Departure Date Return Date Lowest Price
Aug 26, 2016 Sep 5, 2016 GBP694
Air Berlin
Departure Date Return Date Lowest Price
May 9, 2016 May 13, 2016 GBP2,109
May 9, 2016 May 13, 2016 GBP2,109
Air Europa
Departure Date Return Date Lowest Price
May 7, 2016 May 11, 2016 GBP1,377
Air France
Departure Date Return Date Lowest Price
Aug 21, 2016 Aug 31, 2016 GBP573
Aug 22, 2016 Aug 31, 2016 GBP573
Aug 22, 2016 Sep 1, 2016 GBP573
Aug 22, 2016 Sep 5, 2016 GBP573
Aug 22, 2016 Sep 5, 2016 GBP573
Alaska Airlines
Departure Date Return Date Lowest Price
Aug 31, 2016 Sep 8, 2016 GBP550
Alitalia
Departure Date Return Date Lowest Price
Aug 30, 2016 Sep 9, 2016 GBP827
American Airlines
Departure Date Return Date Lowest Price
Aug 22, 2016 Aug 31, 2016 GBP560
Austrian Airlines
Departure Date Return Date Lowest Price
Aug 30, 2016 Sep 13, 2016 GBP578
British Airways
Departure Date Return Date Lowest Price
Aug 25, 2016 Sep 8, 2016 GBP560
Aug 26, 2016 Sep 7, 2016 GBP560
Aug 28, 2016 Sep 10, 2016 GBP560
Aug 30, 2016 Sep 10, 2016 GBP560
Aug 30, 2016 Sep 13, 2016 GBP560
Brussels Airlines
Departure Date Return Date Lowest Price
Aug 22, 2016 Aug 31, 2016 GBP579
Aug 26, 2016 Aug 29, 2016 GBP579
Condor Flugdienst
Departure Date Return Date Lowest Price
Aug 11, 2016 Aug 25, 2016 GBP768
Czech Airlines
Departure Date Return Date Lowest Price
Aug 28, 2016 Sep 3, 2016 GBP1,899
Finnair
Departure Date Return Date Lowest Price
Aug 18, 2016 Aug 25, 2016 GBP560
Aug 25, 2016 Sep 8, 2016 GBP560
Aug 26, 2016 Sep 7, 2016 GBP560
Aug 27, 2016 Sep 10, 2016 GBP560
Aug 28, 2016 Sep 7, 2016 GBP560
Iberia
Departure Date Return Date Lowest Price
Aug 17, 2016 Aug 25, 2016 GBP529
Aug 18, 2016 Aug 25, 2016 GBP529
Aug 25, 2016 Sep 12, 2016 GBP529
Aug 30, 2016 Sep 7, 2016 GBP529
Aug 30, 2016 Sep 10, 2016 GBP529
KLM Royal Dutch Airlines
Departure Date Return Date Lowest Price
Aug 22, 2016 Sep 5, 2016 GBP573
Aug 22, 2016 Sep 5, 2016 GBP573
Aug 23, 2016 Sep 4, 2016 GBP573
Aug 23, 2016 Sep 5, 2016 GBP573
Aug 24, 2016 Sep 7, 2016 GBP573
LOT Polish Airlines
Departure Date Return Date Lowest Price
Aug 28, 2016 Sep 10, 2016 GBP1,109
Lufthansa German Airlines
Departure Date Return Date Lowest Price
Aug 22, 2016 Sep 5, 2016 GBP581
Sas Scandinavian Airlines
Departure Date Return Date Lowest Price
May 20, 2016 May 23, 2016 GBP805
United Airlines
Departure Date Return Date Lowest Price
Aug 26, 2016 Aug 29, 2016 GBP567
Aug 26, 2016 Sep 6, 2016 GBP567
Aug 29, 2016 Sep 8, 2016 GBP567
Aug 29, 2016 Sep 11, 2016 GBP567
Aug 30, 2016 Sep 9, 2016 GBP567
Virgin Atlantic Airways
Departure Date Return Date Lowest Price
Aug 23, 2016 Sep 5, 2016 GBP573
Aug 25, 2016 Sep 12, 2016 GBP573
Aug 25, 2016 Sep 12, 2016 GBP573
Aug 26, 2016 Sep 5, 2016 GBP573
Aug 26, 2016 Sep 6, 2016 GBP573

How Much Does it Cost to Fly from London to Seattle (LON to SEA)?

We have collected flight cost data from across the web for travel from London to Seattle, and have found the average flight price for this trip to be GBP601.

When Can I Buy the Cheapest Flight from London to Seattle (LON to SEA)?

Airlines can adjust prices for plane tickets from London to Seattle based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from London to Seattle

The chart below shows up-to-date information regarding how far in advance a flight from London to Seattle should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days GBP1,107 GBP572
7-14 days GBP743 GBP560
14-21 days GBP743 GBP560
21-30 days GBP703 GBP597
30-60 days GBP703 GBP584
60-90 days GBP944 GBP897
90+ days GBP553 GBP531

Cheapest Day To Fly from London to Seattle

The chart below shows up-to-date information regarding the cheapest days to fly from London to Seattle.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
GBP684 GBP560 GBP597 GBP607 GBP584 GBP568 GBP607

Lowest Fares Chart By Month from London to Seattle

The chart below shows the lowest fare by month when flying from London to Seattle.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May London Seattle Alaska 5/17/16 5/20/16 1 GBP560
June London Seattle Alaska 6/10/16 6/13/16 1 GBP584
July London Seattle Finnair 7/10/16 7/24/16 2 GBP827
August London Seattle Iberia 8/17/16 8/25/16 2 GBP529
September London Seattle Iberia 9/12/16 9/19/16 2 GBP529
October London Seattle Iberia 10/7/16 10/14/16 2 GBP529
November London Seattle Iberia 11/7/16 11/17/16 2 GBP519
December London Seattle Virgin Atlantic 12/1/16 12/15/16 1 GBP547

Cheapest Weekend Non-Stop Flights for the Next 30 Days from London to Seattle

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from London to Seattle.

Next 30 Days

SunMonTueWedThuFriSat
1 2 3 4 5 6 7
GBP1,107
8 9 10 11 12 13 14
GBP1,107
15 16 17 18 19 20 21
GBP770
22 23 24 25 26 27 28
GBP770 GBP773
29 30 31 1 2 3 4
GBP773 GBP734
5 6 7 8 9 10 11
GBP734

Non-Stop vs Connecting Flights from London to Seattle (LON to SEA)

Your London to Seattle flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from London to Seattle is GBP994.

The average price for non-stop flights from London to Seattle is GBP732.

The chart below shows up to date information regarding non-stop flights from London to Seattle.

Nonstop Flight Details from London to Seattle
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
British Airways 2 1 1 2 2 2 2 09:25 15:25
Delta 1 1 1 1 1 1 1 11:00 11:00

Round Trip vs One Way Flights from London to Seattle (LON to SEA)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from London to Seattle. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from London to Seattle is GBP1,209.

The average price for round trip flights from London to Seattle is GBP994.

London to Seattle Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from London to Seattle?
Answer: The average London to Seattle flight time is 9 hours and 49 minutes.
Question: How many kilometers are there between London and Seattle?
Answer: The distance from London to Seattle is 7699 kilometers.
Question: How common are direct flights from London to Seattle?
Answer: There are 19 direct flights from London to Seattle.
Question: What is the most popular airline for non-stop flights from London to Seattle?
Answer: British Airways provides 63% of the non-stop flights between London and Seattle.
Question: What are the most popular connecting cities when flying from London to Seattle?
Answer: Reykjavik, IS

Airlines Flying from London to Seattle (LON to SEA)

Below are the different airlines that fly from London to Seattle with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from London to Seattle.

London to Seattle
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American ORD X X X X X X X
Air Canada YVR X X X X X X X
Air Canada YUL / YYC X X X X X X X
British Airways - X X X X X X X
Delta - X X X X X X X
Delta MSP X X X X X X X
Icelandair KEF X X X X X X X
Korean ICN X X X X X X
Lufthansa FRA X X X X X X X
United EWR X X X X X X X

Airports for Your Route

These pages contain information about the major airports in London and Seattle, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap International Flights from London - LON

FlightsAirlineLowest Price
London to Vancouver Aegean, Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, airBaltic, Condor, Aer Lingus, Iberia, Meridiana, Adria, KLM, Luxair, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet GBP297
London to New York Aegean, American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, airBaltic, Condor, Aer Lingus, Iberia, Meridiana, KLM, Kuwait, Luxair, Lufthansa, LOT, Thomas Cook, Czech, Austrian, TAROM, SATA, XL Airways, SAS, Brussels, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic, City Jet, Great Lakes GBP382
London to Los Angeles American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, airBaltic, Condor, Aer Lingus, Iberia, Meridiana, KLM, Luxair, Lufthansa, LOT, Thomas Cook, Air New Zealand, Czech, Austrian, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, FlexFlight, Great Lakes GBP441
London to Portland American, Air Berlin, Air France, Alaska, Finnair, Alitalia, British Airways, airBaltic, Condor, Aer Lingus, Iberia, Adria, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic, Great Lakes GBP628
London to Toronto Aegean, Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Blue Panorama, Condor, Aer Lingus, Iberia, KLM, Luxair, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Jetairfly, Tap Portugal, Air Transat, easyJet, Air Europa, Virgin Atlantic, FlexFlight, WestJet, City Jet GBP259
London to San Francisco American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Luxair, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, FlexFlight, Great Lakes GBP575
London to Calgary Aegean, Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, airBaltic, Condor, Aer Lingus, Iberia, Adria, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet GBP284
London to Victoria Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, Austrian, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet GBP491
London to Chicago American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Luxair, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic, FlexFlight, Great Lakes GBP376
London to Edmonton Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet GBP315
London to Las Vegas American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, Great Lakes GBP467
London to Miami American, Air Berlin, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Luxair, Lufthansa, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, Great Lakes GBP433
London to Orlando American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Luxair, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, Great Lakes GBP413
London to Dubai Germanwings, Aegean, Air Berlin, Air France, Finnair, Alitalia, British Airways, Royal Brunei, airBaltic, Norwegian Air, Condor, Aer Lingus, Emirates, Eurowings, Etihad, flydubai, Air Arabia, transavia.com, Iberia, KLM, Air Malta, Luxair, Lufthansa, LOT, Czech, Austrian, Qantas, SmartWings, TAROM, SAS, Brussels, Tap Portugal, easyJet, Virgin Atlantic, WIZZ, Monarch GBP276
London to Dallas - Ft Worth American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Sun Country, Tap Portugal, United, Virgin Atlantic GBP446
London to Istanbul Germanwings, Onur Air, Aegean, Air Berlin, Air France, Finnair, Alitalia, British Airways, airBaltic, Norwegian Air, Condor, Aer Lingus, Eurowings, Bulgaria Air, Ryanair, Iberia, Meridiana, Adria, Atlasjet, KLM, Air Malta, Luxair, Lufthansa, LOT, Jet2, Thomas Cook, Czech, Austrian, Pegasus, SmartWings, TAROM, SAS, Brussels, Turkish, Tap Portugal, easyJet, WIZZ, TUIfly, SunExpress, Monarch GBP81

Cheap International Flights to Seattle - SEA

FlightsAirlineLowest Price
Manchester to Seattle American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic GBP578
Birmingham to Seattle American, Air Berlin, Air France, Alaska, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, SAS, Brussels, United, Virgin Atlantic GBP591
Bristol to Seattle American, Air Berlin, Air France, Alaska, Finnair, British Airways, BMI Regional, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Brussels, United, Virgin Atlantic GBP615
Leeds Bradford to Seattle American, Air Berlin, Air France, Alaska, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, United, Virgin Atlantic GBP628
Cardiff to Seattle American, Air Berlin, Air France, Alaska, Finnair, British Airways, Condor, Aer Lingus, KLM, Lufthansa, Austrian, Brussels, United, Virgin Atlantic GBP671
Rotterdam to Seattle American, Air Berlin, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Brussels, United, Virgin Atlantic GBP739
Humberside to Seattle American, Air France, Alaska, Finnair, British Airways, KLM, Lufthansa, United, Virgin Atlantic Check Dates
Norwich to Seattle American, Air Berlin, Air France, Alaska, Finnair, British Airways, Condor, KLM, Lufthansa, Brussels, United, Virgin Atlantic Check Dates
Southampton to Seattle American, Air Berlin, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Brussels, United, Virgin Atlantic GBP771
Exeter to Seattle American, Air Berlin, Air France, Finnair, British Airways, Condor, Aer Lingus, KLM, Lufthansa, Brussels, United, Virgin Atlantic Check Dates
Nottingham to Seattle American, Air France, Finnair, British Airways, Aer Lingus, Iberia, KLM, Lufthansa, Brussels, United, Virgin Atlantic GBP930
Jersey to Seattle American, Air Berlin, Finnair, British Airways, Aer Lingus, Iberia, United, Virgin Atlantic Check Dates
Lille to Seattle Air France, Finnair, KLM, Lufthansa Check Dates
Manchester to Vancouver Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet GBP354
Cheap Flights from London to Seattle, WA, United States, from GBP772 Round trip from LON to SEA