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Cheap Flights from Seattle to London, GB, United Kingdom - SEA to LON

Popular flights from Seattle to London

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 15, 2016 Aug 30, 2016 $1,258
Air Berlin
Departure Date Return Date Lowest Price
Jul 4, 2016 Jul 12, 2016 $2,090
Air Europa
Departure Date Return Date Lowest Price
May 13, 2016 Jun 2, 2016 $2,055
Air France
Departure Date Return Date Lowest Price
Aug 11, 2016 Aug 27, 2016 $1,461
Aug 21, 2016 Sep 2, 2016 $1,461
Alaska Airlines
Departure Date Return Date Lowest Price
May 22, 2016 May 27, 2016 $758
Alitalia
Departure Date Return Date Lowest Price
Aug 1, 2016 Aug 15, 2016 $1,570
Aug 10, 2016 Aug 17, 2016 $1,570
Aug 11, 2016 Aug 21, 2016 $1,570
Aug 13, 2016 Aug 27, 2016 $1,570
Aug 14, 2016 Aug 28, 2016 $1,570
American Airlines
Departure Date Return Date Lowest Price
Aug 6, 2016 Aug 15, 2016 $1,453
Austrian Airlines
Departure Date Return Date Lowest Price
Aug 30, 2016 Sep 19, 2016 $1,493
British Airways
Departure Date Return Date Lowest Price
Jun 7, 2016 Jun 13, 2016 $1,379
Brussels Airlines
Departure Date Return Date Lowest Price
Aug 24, 2016 Sep 1, 2016 $1,493
Condor Flugdienst
Departure Date Return Date Lowest Price
Aug 4, 2016 Aug 18, 2016 $1,268
Czech Airlines
Departure Date Return Date Lowest Price
Aug 1, 2016 Aug 8, 2016 $3,633
Finnair
Departure Date Return Date Lowest Price
Aug 1, 2016 Aug 15, 2016 $1,452
Iberia
Departure Date Return Date Lowest Price
Aug 12, 2016 Aug 27, 2016 $1,461
Aug 21, 2016 Sep 2, 2016 $1,461
KLM Royal Dutch Airlines
Departure Date Return Date Lowest Price
Aug 11, 2016 Aug 27, 2016 $1,461
Aug 12, 2016 Aug 27, 2016 $1,461
Aug 13, 2016 Aug 27, 2016 $1,461
Aug 21, 2016 Sep 2, 2016 $1,461
LOT Polish Airlines
Departure Date Return Date Lowest Price
Jun 2, 2016 Jun 14, 2016 $1,855
Jun 2, 2016 Jun 16, 2016 $1,855
Lufthansa German Airlines
Departure Date Return Date Lowest Price
Jun 29, 2016 Jul 8, 2016 $1,268
Sas Scandinavian Airlines
Departure Date Return Date Lowest Price
Sep 1, 2016 Sep 10, 2016 $1,872
Tap Portugal
Departure Date Return Date Lowest Price
Jun 11, 2016 Jun 13, 2016 $2,094
Thomas Cook Manchester
Departure Date Return Date Lowest Price
May 21, 2016 May 27, 2016 $6,722
United Airlines
Departure Date Return Date Lowest Price
Aug 31, 2016 Sep 14, 2016 $1,264
Virgin Atlantic Airways
Departure Date Return Date Lowest Price
Aug 11, 2016 Aug 27, 2016 $1,461
Aug 12, 2016 Aug 27, 2016 $1,461
Aug 13, 2016 Aug 27, 2016 $1,461
Aug 21, 2016 Sep 2, 2016 $1,461

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

We have collected flight cost data from across the web for travel from Seattle to London, and have found the average flight price for this trip to be $903.

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

Airlines can adjust prices for plane tickets from Seattle to London 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 Seattle to London

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

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $1,974 $816
7-14 days $1,556 $983
14-21 days $1,552 $758
21-30 days $1,540 $914
30-60 days $1,510 $996
60-90 days $1,465 $1,226
90+ days $1,287 $737

Cheapest Day To Fly from Seattle to London

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

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$890 $816 $914 $801 $1,063 $1,080 $758

Lowest Fares Chart By Month from Seattle to London

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

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Seattle London Alaska 5/22/16 5/27/16 1 $758
June Seattle London Alaska 6/11/16 6/17/16 3 $907
July Seattle London Alaska 7/1/16 7/5/16 1 $1,255
August Seattle London Alaska 8/17/16 8/30/16 1 $945
September Seattle London Alaska 9/19/16 9/27/16 1 $737
October Seattle London Alaska 10/18/16 10/24/16 1 $767
November Seattle London Alaska 11/9/16 11/16/16 2 $957
December Seattle London Aer Lingus 12/4/16 12/16/16 2 $996

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

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 Seattle to London.

Next 30 Days

SunMonTueWedThuFriSat
1 2 3 4 5 6 7
$2,110
8 9 10 11 12 13 14
$2,110 $2,044
15 16 17 18 19 20 21
$2,044 $2,266
22 23 24 25 26 27 28
$2,266 $2,117
29 30 31 1 2 3 4
$2,117 $1,660
5 6 7 8 9 10 11
$1,660

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

Your Seattle to London 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 Seattle to London is $1,820.

The average price for non-stop flights from Seattle to London is $1,470.

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

Nonstop Flight Details from Seattle to London
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
British Airways 2 1 1 2 2 2 2 13:25 19:10
Delta 1 1 1 1 1 1 1 21:07 21:07

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

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 Seattle to London. 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 Seattle to London is $1,871.

The average price for round trip flights from Seattle to London is $1,819.

More Cheap Flights

FlightsAirlineLowest Price
Vancouver to London Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, airBaltic, Condor, Aer Lingus, Iberia, Meridiana, Adria, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, FlexFlight, WestJet $430
Portland to London American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, airBaltic, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $855
Bellingham to London American, Air France, Alaska, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, SAS, United $895
Victoria to London Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SATA, Brussels, Air Transat, Virgin Atlantic, WestJet $561
Pasco to London American, Air France, Alaska, Finnair, British Airways, Condor, Iberia, KLM, Lufthansa, Brussels, United, Virgin Atlantic $1,606
Abbotsford to London Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Austrian, Brussels, Air Transat, WestJet $673
Nanaimo to London Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, Austrian, Brussels, Air Transat, Virgin Atlantic, WestJet $704
Comox to London Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, Austrian, Brussels, Air Transat, Virgin Atlantic, WestJet $776
Wenatchee to London American, Air France, Alaska, Finnair, British Airways, Condor, Iberia, KLM, Lufthansa, United Check Dates
Penticton to London Air Canada, Air France, Finnair, British Airways, Aer Lingus, Iberia, KLM, Lufthansa, Austrian, Brussels, Air Transat, Virgin Atlantic, WestJet $774
Yakima to London American, Air France, Alaska, Finnair, British Airways, Condor, Iberia, KLM, Lufthansa, United Check Dates
Seattle to Paris American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $1,006
Vancouver to Paris Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $575
Portland to Paris American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, OpenSkies, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $1,162
Seattle to Amsterdam American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $1,065
Vancouver to Amsterdam Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $598
Portland to Amsterdam American, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Virgin Atlantic, Great Lakes $1,215
Seattle to Frankfurt 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, Sun Country, Tap Portugal, United, Air Europa, Virgin Atlantic $779
Vancouver to Manchester Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $609
Vancouver to Birmingham Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, SAS, Brussels, Air Transat, WestJet $745
Vancouver to Frankfurt Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Arkefly, Austrian, SAS, Brussels, Air Transat, Virgin Atlantic, WestJet $541
Seattle to Birmingham American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, Austrian, SAS, Brussels, United, Virgin Atlantic $1,193
Seattle to Dublin American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SAS, Brussels, United, Virgin Atlantic $863
Seattle to Southampton American, Air Berlin, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Austrian, Brussels, United, Virgin Atlantic $1,383
Victoria to Paris Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Austrian, SAS, Brussels, Air Transat, Virgin Atlantic, WestJet $998
Seattle to Brussels American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $1,038
Vancouver to Southampton Air Berlin, Air Canada, Air France, Finnair, British Airways, BMI Regional, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Brussels, Air Transat, Virgin Atlantic $968
Portland to Frankfurt American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Arkefly, Austrian, SAS, Brussels, Sun Country, Tap Portugal, United, Virgin Atlantic, Great Lakes $899
Vancouver to Dublin Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Luxair, Lufthansa, Thomas Cook, Arkefly, Austrian, SATA, SAS, Brussels, Air Transat, Virgin Atlantic, WestJet $621
Vancouver to Bristol Air Canada, Air France, Finnair, British Airways, BMI Regional, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Brussels, Air Transat, WestJet $1,154

Airlines Flying from Seattle to London (SEA to LON)

Below are the different airlines that fly from Seattle to London 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 Seattle to London.

Seattle to London
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 YYC / YOW 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 ORD X X X X X X X

Airports for Your Route

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

Seattle to London Flight Questions

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

Question: How long is a direct flight from Seattle to London?
Answer: The average Seattle to London flight time is 9 hours and 30 minutes.
Question: How many miles are there between Seattle and London?
Answer: The distance from Seattle to London is 4784 miles.
Question: How common are direct flights from Seattle to London?
Answer: There are 19 direct flights from Seattle to London.
Question: What is the most popular airline for non-stop flights from Seattle to London?
Answer: British Airways provides 63% of the non-stop flights between Seattle and London.
Question: What are the most popular connecting cities when flying from Seattle to London?
Answer: Reykjavik, IS
Seattle (SEA) To London, GB (LON) Flights: Cheap Flights From Seattle To London | FareCompare.