$413+ Cheap flights from Seattle (SEA) to Gatwick (LGW)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
May 2 — May 91
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Gatwick with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Gatwick
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Best
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One-way
Cheapest flights from Seattle to GatwickExplore the most affordable flight options available from Seattle to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.
Explore the most affordable flight options available from Seattle to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:10 pm
SEA
- LGW
1 stop16h 40m
Condor
Wed 4/2210:20 am
LGW
- SEA
1 stop13h 20m
Condor
Deal found 4/1![Condor logo]()
$645
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:40 pm
SEA
- LGW
3 stops32h 25m
Multiple Airlines
Tue 4/219:20 am
LGW
- SEA
2 stops19h 20m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$655
This Mytrip deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/263:40 pm
SEA
- LGW
2 stops23h 00m
Multiple Airlines
Tue 5/1210:00 am
LGW
- SEA
2 stops18h 40m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$657
This Booking.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:40 pm
SEA
- LGW
1 stop13h 00m
Condor
Tue 4/2810:20 am
LGW
- SEA
1 stop13h 20m
Condor
Deal found 3/28![Condor logo]()
$668
This Mytrip deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 pm
SEA
- LGW
2 stops16h 15m
Multiple Airlines
Thu 4/3011:00 am
LGW
- SEA
2 stops17h 40m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$672
This Mytrip deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:40 pm
SEA
- LGW
2 stops16h 40m
Multiple Airlines
Wed 4/295:45 pm
LGW
- SEA
2 stops34h 55m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$674
This Mytrip deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 pm
SEA
- LGW
2 stops15h 25m
Multiple Airlines
Mon 4/276:05 pm
LGW
- SEA
2 stops31h 50m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$675
Best flights from Seattle to GatwickDiscover carefully curated flight deals from Seattle to Gatwick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
Discover carefully curated flight deals from Seattle to Gatwick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
This KLM deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/21:30 pm
SEA
- LGW
1 stop11h 55m
Multiple Airlines
Fri 8/1410:25 am
LGW
- SEA
1 stop15h 09m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$975
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:40 pm
SEA
- LGW
1 stop13h 20m
Delta
Fri 8/1410:25 am
LGW
- SEA
1 stop15h 09m
Delta
Deal found 4/1![Delta logo]()
$976
This Virgin Atlantic deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:20 am
SEA
- LGW
2 stops24h 40m
Virgin Atlantic
Mon 8/3110:25 am
LGW
- SEA
2 stops21h 57m
Virgin Atlantic
Deal found 3/31![Virgin Atlantic logo]()
$1,139
This British Airways deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:10 pm
SEA
- LGW
2 stops30h 00m
British Airways
Fri 8/2111:10 am
LGW
- SEA
2 stops38h 00m
British Airways
Deal found 3/27![British Airways logo]()
$1,353
This Turkish Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:10 pm
SEA
- LGW
1 stop30h 45m
Turkish Airlines
Sat 7/187:10 am
LGW
- SEA
2 stops23h 27m
Turkish Airlines
Deal found 3/29![Turkish Airlines logo]()
$1,713
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:20 am
SEA
- LGW
2 stops18h 05m
Delta
Fri 8/2110:25 am
LGW
- SEA
1 stop32h 50m
Delta
Deal found 3/27![Delta logo]()
$979
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:30 pm
SEA
- LGW
1 stop11h 55m
Delta
Tue 8/1110:35 am
LGW
- SEA
1 stop14h 59m
Delta
Deal found 3/31![Delta logo]()
$1,066
This Condor deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/228:11 am
SEA
- LGW
2 stops26h 39m
Multiple Airlines
Sat 6/2710:20 am
LGW
- SEA
1 stop13h 40m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,240
This Virgin Atlantic deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:30 pm
SEA
- LGW
1 stop18h 30m
Virgin Atlantic
Wed 7/1510:25 am
LGW
- SEA
2 stops20h 54m
Virgin Atlantic
Deal found 3/29![Virgin Atlantic logo]()
$1,333
This British Airways deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:10 pm
SEA
- LGW
2 stops30h 00m
British Airways
Sun 8/2311:10 am
LGW
- SEA
2 stops38h 00m
British Airways
Deal found 3/27![British Airways logo]()
$1,463
This Condor deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:11 am
SEA
- LGW
2 stops26h 34m
Multiple Airlines
Mon 6/2210:20 am
LGW
- SEA
2 stops18h 16m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,380
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:20 pm
SEA
- LGW
2 stops33h 40m
Delta
Mon 7/610:25 am
LGW
- SEA
1 stop32h 50m
Delta
Deal found 3/27![Delta logo]()
$1,291
Last-minute flights from Seattle to GatwickDiscover last-minute flight deals from Seattle to Gatwick. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Gatwick. Data last updated April 2, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:10 pm
SEA
- LGW
1 stop16h 40m
Condor
Wed 4/2210:20 am
LGW
- SEA
1 stop13h 20m
Condor
Deal found 4/1![Condor logo]()
$645
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:40 pm
SEA
- LGW
3 stops32h 25m
Multiple Airlines
Tue 4/219:20 am
LGW
- SEA
2 stops19h 20m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$655
This Mytrip deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 pm
SEA
- LGW
2 stops16h 15m
Multiple Airlines
Thu 4/3011:00 am
LGW
- SEA
2 stops17h 40m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$672
This Booking.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:40 pm
SEA
- LGW
1 stop13h 00m
Condor
Tue 4/2810:20 am
LGW
- SEA
1 stop13h 20m
Condor
Deal found 3/28![Condor logo]()
$668
This Mytrip deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 pm
SEA
- LGW
2 stops15h 25m
Multiple Airlines
Mon 4/276:05 pm
LGW
- SEA
2 stops31h 50m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$675
This Mytrip deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:40 pm
SEA
- LGW
2 stops16h 40m
Multiple Airlines
Wed 4/295:45 pm
LGW
- SEA
2 stops34h 55m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$674
This Mytrip deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/263:40 pm
SEA
- LGW
2 stops23h 00m
Multiple Airlines
Tue 5/1210:00 am
LGW
- SEA
2 stops18h 40m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$657
One-way flights from Seattle to GatwickSearch for one-way flight options from Seattle to Gatwick. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
Search for one-way flight options from Seattle to Gatwick. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:00 pm
SEA
- LGW
3 stops17h 35m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:50 pm
SEA
- LGW
1 stop31h 30m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:10 pm
SEA
- LGW
1 stop32h 05m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:40 pm
SEA
- LGW
2 stops19h 35m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$418
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:40 pm
SEA
- LGW
1 stop13h 00m
Condor
Deal found 4/1![Condor logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:00 pm
SEA
- LGW
3 stops17h 00m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:25 pm
SEA
- LGW
2 stops25h 45m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:00 pm
SEA
- LGW
2 stops17h 20m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:40 pm
SEA
- LGW
2 stops42h 30m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:00 pm
SEA
- LGW
2 stops30h 10m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:30 am
SEA
- LGW
3 stops20h 40m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:35 pm
SEA
- LGW
3 stops52h 40m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$430
Find flight deals from Seattle to Gatwick
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Gatwick (LGW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $645 (Cheapflightsfares) |
One-way from | $413 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $738 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Gatwick that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2026.
Use the filters below to find and compare flights from Seattle to London Gatwick Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Sun 8/2
1:30 pm-9:25 am
1 stop11h 55m
London Gatwick
Fri 8/14
10:25 am-5:34 pm
1 stop15h 09m
$975
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Sun 8/2
6:40 pm-4:00 pm
1 stop13h 20m
London Gatwick
Fri 8/14
10:25 am-5:34 pm
1 stop15h 09m
$976
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Tue 8/11
7:20 am-9:25 am
2 stops18h 05m
London Gatwick
Fri 8/21
10:25 am-11:15 am
1 stop32h 50m
$979
Quickest round-trip
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Wed 8/5
1:30 pm-9:25 am
1 stop11h 55m
London Gatwick
Tue 8/11
10:35 am-5:34 pm
1 stop14h 59m
$1,066
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Mon 8/17
7:20 am-4:00 pm
2 stops24h 40m
London Gatwick
Mon 8/31
10:25 am-12:22 am
2 stops21h 57m
$1,139
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Mon 6/22
8:11 am-6:50 pm
2 stops26h 39m
London Gatwick
Sat 6/27
10:20 am-4:00 pm
1 stop13h 40m
$1,240
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Mon 6/15
10:20 pm-4:00 pm
2 stops33h 40m
London Gatwick
Mon 7/6
10:25 am-11:15 am
1 stop32h 50m
$1,291
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Wed 6/24
1:30 pm-4:00 pm
1 stop18h 30m
London Gatwick
Wed 7/15
10:25 am-11:19 pm
2 stops20h 54m
$1,333
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Fri 8/14
7:10 pm-9:10 am
2 stops30h 00m
London Gatwick
Fri 8/21
11:10 am-5:10 pm
2 stops38h 00m
$1,353
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Sat 6/13
8:11 am-6:45 pm
2 stops26h 34m
London Gatwick
Mon 6/22
10:20 am-8:36 pm
2 stops18h 16m
$1,380
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Seattle to Gatwick
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Gatwick in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-London Gatwick Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-London Gatwick Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-London Gatwick Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-London Gatwick Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-London Gatwick Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Gatwick
Have a flexible travel schedule? Discover the best time to fly to Gatwick from Seattle with our price prediction graph.
SEA-LGW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to London Gatwick Airport
What is the cheapest month to book a flight from Seattle to London Gatwick Airport?
Currently, February is the cheapest month in which you can book a flight from Seattle to London Gatwick Airport (average of $494). Flying from Seattle to London Gatwick Airport in June is currently the most expensive (average of $802). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Seattle to London Gatwick Airport?
Reviews of airlines servicing Gatwick
Get insights into the airlines that provide service to Gatwick. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Gatwick. Reviews last updated April 2, 2026.
Read through reviews of airlines operating flights from Seattle to London Gatwick Airport, such as Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
6.9
Entertainment
6.9
Boarding
7.2
Overall
7.0
Crew
8.0
Food
6.1
Reviews
1 / 20
2.0
MediocreBruce,Mar 2026
BCN - KEF
Comfort
6.9
Entertainment
6.9
Boarding
7.2
Overall
7.0
Crew
8.0
Food
6.1
Reviews
1 / 20
2.0
MediocreBruce,Mar 2026
BCN - KEF
Related info for your journey
Find useful and relevant information for your journey from Seattle to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London Gatwick Airport?
Book flights to London Gatwick Airport if you plan to visit one of these locationsIlford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough
Stansted
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Top airline flying from Seattle to Gatwick
Discover the top airline that operate flights from Seattle to Gatwick. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$503 | Average$666 | FlexibilityNo cancel fee | On-time76% |