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Cheap Flights from Seattle to London, GB, United Kingdom - SEA to LON Last modified: May 25, 2016 7:41 AM

Popular flights from Seattle to London Last modified: May 25, 2016 7:41 AM

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
Sep 6, 2016 Sep 20, 2016 $1,029
Sep 8, 2016 Sep 25, 2016 $1,029
Sep 9, 2016 Sep 23, 2016 $1,029
Sep 9, 2016 Sep 23, 2016 $1,029
Sep 11, 2016 Sep 23, 2016 $1,029
Air Berlin
Departure Date Return Date Lowest Price
Sep 19, 2016 Sep 24, 2016 $1,611
Sep 20, 2016 Sep 24, 2016 $1,611
Air Europa
Departure Date Return Date Lowest Price
Sep 20, 2016 Sep 28, 2016 $1,617
Air France
Departure Date Return Date Lowest Price
Aug 29, 2016 Sep 5, 2016 $1,396
Aug 30, 2016 Sep 6, 2016 $1,396
Aug 30, 2016 Sep 12, 2016 $1,396
Aug 30, 2016 Sep 13, 2016 $1,396
Aug 30, 2016 Sep 13, 2016 $1,396
Alaska Airlines
Departure Date Return Date Lowest Price
Sep 21, 2016 Oct 5, 2016 $749
Alitalia
Departure Date Return Date Lowest Price
Sep 5, 2016 Sep 15, 2016 $1,485
Sep 6, 2016 Sep 14, 2016 $1,485
Sep 6, 2016 Sep 20, 2016 $1,485
American Airlines
Departure Date Return Date Lowest Price
Sep 22, 2016 Oct 11, 2016 $1,035
Austrian Airlines
Departure Date Return Date Lowest Price
Aug 30, 2016 Sep 14, 2016 $1,280
Aug 30, 2016 Sep 15, 2016 $1,280
Sep 6, 2016 Sep 20, 2016 $1,280
British Airways
Departure Date Return Date Lowest Price
Aug 23, 2016 Sep 1, 2016 $1,396
Aug 23, 2016 Sep 5, 2016 $1,396
Aug 28, 2016 Sep 7, 2016 $1,396
Aug 28, 2016 Sep 7, 2016 $1,396
Aug 29, 2016 Sep 5, 2016 $1,396
Brussels Airlines
Departure Date Return Date Lowest Price
Sep 21, 2016 Sep 29, 2016 $1,299
Condor Flugdienst
Departure Date Return Date Lowest Price
Sep 19, 2016 Sep 29, 2016 $1,287
Czech Airlines
Departure Date Return Date Lowest Price
Sep 7, 2016 Sep 14, 2016 $3,266
Finnair
Departure Date Return Date Lowest Price
Aug 28, 2016 Sep 7, 2016 $1,378
Sep 13, 2016 Sep 27, 2016 $1,378
Iberia
Departure Date Return Date Lowest Price
Aug 28, 2016 Sep 7, 2016 $1,396
Sep 5, 2016 Sep 15, 2016 $1,396
Sep 5, 2016 Sep 19, 2016 $1,396
Sep 7, 2016 Sep 15, 2016 $1,396
Sep 7, 2016 Sep 19, 2016 $1,396
JetBlue Airways
Departure Date Return Date Lowest Price
Sep 21, 2016 Oct 5, 2016 $1,011
KLM Royal Dutch Airlines
Departure Date Return Date Lowest Price
Aug 31, 2016 Sep 14, 2016 $1,396
Sep 5, 2016 Sep 15, 2016 $1,396
Sep 6, 2016 Sep 14, 2016 $1,396
Sep 6, 2016 Sep 20, 2016 $1,396
Sep 13, 2016 Sep 27, 2016 $1,396
LOT Polish Airlines
Departure Date Return Date Lowest Price
Sep 8, 2016 Sep 23, 2016 $1,846
Lufthansa German Airlines
Departure Date Return Date Lowest Price
Aug 13, 2016 Aug 27, 2016 $1,128
Aug 17, 2016 Aug 24, 2016 $1,128
Aug 19, 2016 Aug 28, 2016 $1,128
Aug 19, 2016 Sep 4, 2016 $1,128
Sas Scandinavian Airlines
Departure Date Return Date Lowest Price
Sep 7, 2016 Sep 19, 2016 $1,729
Tap Portugal
Departure Date Return Date Lowest Price
Sep 8, 2016 Sep 18, 2016 $1,617
United Airlines
Departure Date Return Date Lowest Price
Sep 20, 2016 Oct 10, 2016 $1,113
Virgin Atlantic Airways
Departure Date Return Date Lowest Price
Sep 10, 2016 Sep 22, 2016 $1,394
Air Baltic
Departure Date Return Date Lowest Price
Aug 1, 2016 Aug 19, 2016 $8,047

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 $936.

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 $1,627 $1,144
7-14 days $1,577 $945
14-21 days $1,522 $885
21-30 days $1,522 $1,004
30-60 days $1,503 $956
60-90 days $1,396 $935
90+ days $1,196 $749

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
$980 $920 $935 $885 $929 $953 $949

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 5/31/16 6/6/16 1 $1,144
June Seattle London Alaska 6/9/16 6/17/16 1 $885
July Seattle London Alaska 7/14/16 7/29/16 1 $1,065
August Seattle London Alaska 8/16/16 9/5/16 2 $920
September Seattle London Alaska 9/21/16 10/5/16 2 $749
October Seattle London Alaska 10/3/16 10/11/16 1 $749
November Seattle London Aer Lingus 11/2/16 11/11/16 2 $979
December Seattle London Aer Lingus 12/4/16 12/16/16 2 $981

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
22 23 24 25 26 27 28
$3,287
29 30 31 1 2 3 4
$3,287 $1,727
5 6 7 8 9 10 11
$1,727 $1,727
12 13 14 15 16 17 18
$1,727 $1,712
19 20 21 22 23 24 25
$1,712 $1,770
26 27 28 29 30 1 2
$1,770

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 $1,849.

The average price for non-stop flights from Seattle to London is $1,489.

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 $1,731.

The average price for round trip flights from Seattle to London is $1,847.

More Cheap Flights

FlightsAirlineLowest Price
Vancouver to London Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $565
Portland to London American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, airBaltic, Condor, Aer Lingus, Iberia, Adria, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, United, Virgin Atlantic $1,073
Bellingham to London American, Air France, Alaska, Finnair, Alitalia, British Airways, Condor, Iberia, KLM, Lufthansa, Thomas Cook, SAS, United, Virgin Atlantic $887
Victoria to London Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, Austrian, SATA, Brussels, Air Transat, Virgin Atlantic, WestJet $649
Pasco to London American, Air France, Alaska, Finnair, British Airways, Condor, Iberia, KLM, Lufthansa, Czech, SAS, Brussels, United, Virgin Atlantic $1,314
Abbotsford to London Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Austrian, Brussels, Air Transat, WestJet $604
Nanaimo to London Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, Austrian, Brussels, Virgin Atlantic, WestJet $728
Comox to London Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, Austrian, Brussels, WestJet $749
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, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Austrian, Brussels, Virgin Atlantic, WestJet $787
Yakima to London American, Air France, Alaska, Finnair, British Airways, Condor, Iberia, KLM, Lufthansa, United $1,588
Seattle 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, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $977
Vancouver to Paris Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Corsair, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $519
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, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $1,012
Seattle to Amsterdam American, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, Great Lakes $944
Vancouver to Amsterdam Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $556
Portland to Amsterdam American, 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, Virgin Atlantic $997
Seattle to Frankfurt American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, BMI, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Sun Country, Tap Portugal, United, Air Europa, Virgin Atlantic $912
Vancouver to Manchester Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Austrian, SAS, Brussels, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $629
Vancouver to Birmingham Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, SAS, Brussels, Air Transat, WestJet $729
Vancouver to Frankfurt Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Pullmantur Air, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Air Transat, Virgin Atlantic, WestJet $617
Seattle to Birmingham American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Czech, SAS, Brussels, United, Virgin Atlantic $977
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 $820
Seattle to Southampton American, Air Berlin, Air France, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Brussels, United, Virgin Atlantic $1,368
Victoria to Paris Air Canada, Air France, Finnair, Alitalia, British Airways, Condor, Iberia, KLM, Lufthansa, LOT, Austrian, Tap Portugal, Air Transat, Virgin Atlantic, WestJet $969
Seattle to Brussels American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $966
Vancouver to Southampton Air Berlin, Air Canada, Air France, Finnair, British Airways, BMI Regional, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Brussels, Virgin Atlantic Check Dates
Portland to Frankfurt American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Austrian, SAS, Brussels, Sun Country, Tap Portugal, United, Virgin Atlantic $969
Vancouver to Dublin Air Berlin, Air Canada, Air France, Finnair, British Airways, Condor, Aer Lingus, Iberia, KLM, Luxair, Lufthansa, Thomas Cook, Austrian, SAS, Brussels, Air Transat, Virgin Atlantic, WestJet $635
Vancouver to Bristol Air Canada, Air France, Finnair, British Airways, BMI Regional, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Brussels, Air Transat, WestJet $1,452

Airlines Flying from Seattle to London (SEA to LON) Number of flights searched: 605Last modified: May 25, 2016 7:41 AM

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 / YUL 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 SLC X X X X X X X
Icelandair KEF X X X X X X X
Korean ICN X 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 32 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.