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Cheap Flights from Seattle to London - SEA to LON

Popular flights from Seattle to London

If your flight days are flexible and you looking for a good deal, our charts on cheap flights provide some insight regarding affordable flight options for your next big adventure.

Aer Lingus
Departure Date Return Date Lowest Price
Mar 19, 2016 Mar 28, 2016 $1,030
Air Berlin
Departure Date Return Date Lowest Price
Feb 21, 2016 Feb 28, 2016 $1,727
Air Europa
Departure Date Return Date Lowest Price
Feb 22, 2016 Feb 29, 2016 $1,412
Feb 24, 2016 Mar 2, 2016 $1,412
Air France
Departure Date Return Date Lowest Price
Apr 30, 2016 May 2, 2016 $857
Alaska Airlines
Departure Date Return Date Lowest Price
May 22, 2016 Jun 2, 2016 $806
Alitalia
Departure Date Return Date Lowest Price
Mar 7, 2016 Mar 13, 2016 $1,059
Mar 9, 2016 Mar 13, 2016 $1,059
Mar 9, 2016 Mar 19, 2016 $1,059
American Airlines
Departure Date Return Date Lowest Price
May 1, 2016 May 16, 2016 $975
Austrian Airlines
Departure Date Return Date Lowest Price
Mar 7, 2016 Mar 13, 2016 $964
Mar 7, 2016 Mar 14, 2016 $964
Mar 7, 2016 Mar 14, 2016 $964
British Airways
Departure Date Return Date Lowest Price
Apr 16, 2016 Apr 21, 2016 $965
Brussels Airlines
Departure Date Return Date Lowest Price
May 2, 2016 May 17, 2016 $967
Condor Flugdienst
Departure Date Return Date Lowest Price
Apr 14, 2016 Apr 25, 2016 $1,285
Czech Airlines
Departure Date Return Date Lowest Price
May 10, 2016 May 24, 2016 $3,123
Finnair
Departure Date Return Date Lowest Price
Apr 16, 2016 Apr 21, 2016 $965
Iberia
Departure Date Return Date Lowest Price
Apr 16, 2016 Apr 21, 2016 $965
JetBlue Airways
Departure Date Return Date Lowest Price
Jun 2, 2016 Jun 22, 2016 $1,478
KLM Royal Dutch Airlines
Departure Date Return Date Lowest Price
Mar 7, 2016 Mar 14, 2016 $947
LOT Polish Airlines
Departure Date Return Date Lowest Price
Mar 8, 2016 Mar 15, 2016 $1,771
Lufthansa German Airlines
Departure Date Return Date Lowest Price
Mar 7, 2016 Mar 13, 2016 $964
Mar 7, 2016 Mar 14, 2016 $964
Sas Scandinavian Airlines
Departure Date Return Date Lowest Price
Mar 11, 2016 Mar 22, 2016 $1,731
Tap Portugal
Departure Date Return Date Lowest Price
May 24, 2016 Jun 7, 2016 $1,617
United Airlines
Departure Date Return Date Lowest Price
May 6, 2016 May 8, 2016 $858
Virgin Atlantic Airways
Departure Date Return Date Lowest Price
Mar 11, 2016 Mar 28, 2016 $928

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 $919.

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 $1,753 $1,753
7-14 days $1,008 $1,005
14-21 days $1,008 $1,005
21-30 days $947 $947
30-60 days $949 $928
60-90 days $950 $857
90+ days $952 $745

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
$947 $944 $931 $949 $858 $857 $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
February Seattle London United 2/21/16 2/29/16 1 $1,005
March Seattle London Air France 3/11/16 3/28/16 1 $928
April Seattle London Air France 4/30/16 5/2/16 1 $857
May Seattle London Alaska 5/22/16 6/2/16 1 $806
June Seattle London Alaska 6/18/16 6/30/16 1 $830
July Seattle London Alaska 7/6/16 7/13/16 1 $1,076
August Seattle London Alaska 8/23/16 9/11/16 1 $745
September Seattle London Alaska 9/16/16 9/28/16 1 $745

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
7 8 9 10 11 12 13
$1,848
14 15 16 17 18 19 20
$1,848 $1,085
21 22 23 24 25 26 27
$1,085 $1,008
28 29 1 2 3 4 5
$1,008 $1,009
6 7 8 9 10 11 12
$1,009

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 $1,188.

The average price for non-stop flights from Seattle to London is $971.

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 1 2 2 1 13:35 18:10
Delta 1 1 1 1 1 1 1 18:24 18:24

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 $1,893.

The average price for round trip flights from Seattle to London is $1,187.

More Cheap Flights

FlightsAirlineLowest Price
Vancouver to London US Airways, Virgin Atlantic, Turkish, KLM, Swiss, LOT, Austrian, Brussels, Finnair, Air Transat, British Airways, Air Canada, Delta, United, American, Air France, Condor, Lufthansa, Iberia, Korean, Icelandair $517
Portland to London Virgin Atlantic, Air New Zealand, Turkish, Swiss, LOT, Delta, Iberia, US Airways, KLM, SAS, Brussels, Alitalia, British Airways, Air Canada, United, American, Air France, Lufthansa $851
Bellingham to London KLM, Delta, American, Air France $983
Victoria to London KLM, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa $642
Pasco to London US Airways, KLM, United, Delta, American, Air France $1,265
Abbotsford to London Delta, KLM $672
Nanaimo to London Air Canada $749
Comox to London KLM, Air Canada $781
Wenatchee to London KLM, Delta $1,379
Penticton to London Air Canada $1,220
Yakima to London KLM, Delta, American, Air France $1,365
Seattle to Paris Turkish, Swiss, LOT, Tap Portugal, Delta, Iberia, Air Europa, Korean, Icelandair, US Airways, KLM, SAS, Austrian, Alitalia, Brussels, Finnair, British Airways, Air Canada, United, American, Air Berlin, Air France, Lufthansa $895
Vancouver to Paris US Airways, Jet Airways, Turkish, KLM, Swiss, LOT, Austrian, Brussels, Finnair, Air Transat, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia, Korean, Icelandair $487
Portland to Paris Turkish, Swiss, LOT, Delta, Iberia, US Airways, KLM, SAS, Brussels, Alitalia, British Airways, Air Canada, United, American, Air France, Lufthansa $1,061
Seattle to Amsterdam Turkish, Swiss, LOT, Tap Portugal, Delta, Iberia, Air Europa, Korean, Icelandair, US Airways, KLM, Austrian, SAS, Alitalia, Brussels, Finnair, British Airways, Air Canada, United, American, Air France, Lufthansa $907
Vancouver to Amsterdam US Airways, Turkish, KLM, Swiss, LOT, Austrian, Brussels, Finnair, British Airways, Air Transat, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia, Korean, Icelandair $569
Portland to Amsterdam US Airways, Turkish, KLM, Swiss, LOT, SAS, Brussels, Alitalia, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia $996
Seattle to Frankfurt Air New Zealand, Turkish, Swiss, LOT, Tap Portugal, Delta, Condor, Iberia, Korean, Icelandair, US Airways, KLM, Austrian, SAS, Alitalia, Brussels, Finnair, British Airways, Singapore, Air Canada, United, American, Air Berlin, Air France, Lufthansa $862
Vancouver to Manchester US Airways, Virgin Atlantic, Turkish, KLM, Swiss, Brussels, Finnair, Air Transat, British Airways, Air Canada, United, Delta, American, Air France, Condor, Lufthansa, Iberia, Icelandair $649
Vancouver to Birmingham US Airways, Turkish, KLM, Swiss, Brussels, Air Canada, Delta, United, Air France, Lufthansa $684
Vancouver to Frankfurt US Airways, Turkish, KLM, Swiss, LOT, Austrian, Brussels, Finnair, Air Transat, British Airways, Air Canada, United, Delta, American, Air France, Condor, Lufthansa, Iberia, Korean, Icelandair $672
Seattle to Birmingham US Airways, Turkish, KLM, Swiss, Brussels, Air Canada, Delta, United, Air France, Lufthansa $988
Seattle to Dublin US Airways, Air New Zealand, Turkish, KLM, Swiss, Alitalia, Finnair, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia, Aer Lingus $771
Seattle to Southampton KLM, Air France $1,262
Victoria to Paris KLM, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa $513
Seattle to Brussels US Airways, Turkish, KLM, Swiss, LOT, Austrian, Brussels, Alitalia, Finnair, British Airways, Tap Portugal, Air Canada, United, Delta, American, Air France, Condor, Lufthansa, Iberia, Air Europa, Icelandair $917
Vancouver to SouthamptonCheck Dates
Portland to Frankfurt Air New Zealand, Turkish, Swiss, LOT, Delta, Iberia, US Airways, KLM, SAS, Alitalia, Brussels, British Airways, Singapore, Air Canada, United, American, Air France, Lufthansa $976
Vancouver to Dublin US Airways, Turkish, KLM, Swiss, Finnair, British Airways, Air Canada, United, Delta, American, Air France, Lufthansa, Iberia, Aer Lingus $455
Vancouver to Bristol KLM, Brussels, Delta, United, Air France, Lufthansa $929

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 YVR / 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 MSP X X X X X X X
Icelandair KEF X X X X X X X
Korean ICN X X X X X
Lufthansa FRA 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 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 36 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 17 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 58% 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 (LON) Flights: Cheap Flights From Seattle To London | FareCompare.