$418+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
Apr 29 — May 61
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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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 March 30, 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 March 30, 2026.
This Mytrip deal was found by Cheapflights users on 3/26. 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 4/203:40 pm
SEA
- LGW
3 stops33h 00m
Multiple Airlines
Mon 4/278:45 pm
LGW
- SEA
3 stops31h 55m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$636
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 Cheapflightsfares 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 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
Wed 4/2210:20 am
LGW
- SEA
1 stop13h 20m
Condor
Deal found 3/29![Condor logo]()
$667
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 Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:40 pm
SEA
- LGW
1 stop17h 10m
Condor
Tue 5/1210:20 am
LGW
- SEA
1 stop13h 20m
Condor
Deal found 3/27![Condor logo]()
$670
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 Cheapflightsfares 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 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 3/27![Condor logo]()
$673
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:40 pm
SEA
- LGW
2 stops19h 35m
Multiple Airlines
Fri 4/2411:00 am
LGW
- SEA
2 stops17h 40m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$677
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 March 30, 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 March 30, 2026.
This SWISS deal was found by Cheapflights users on 3/25. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
SEA
- LGW
2 stops17h 25m
SWISS
Thu 5/289:25 am
LGW
- SEA
2 stops19h 28m
SWISS
Deal found 3/25![SWISS logo]()
$940
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 5/410:49 am
SEA
- LGW
2 stops19h 51m
Multiple Airlines
Sun 5/1010:20 am
LGW
- SEA
1 stop13h 20m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,020
This Condor deal was found by Cheapflights users on 3/26. 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 4/66:10 pm
SEA
- LGW
1 stop16h 40m
Condor
Wed 4/83:35 pm
LGW
- SEA
1 stop32h 25m
Condor
Deal found 3/26![Condor logo]()
$1,034
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:30 pm
SEA
- LGW
1 stop11h 55m
Delta
Tue 4/1410:35 am
LGW
- SEA
1 stop15h 03m
Delta
Deal found 3/30![Delta logo]()
$1,075
This Turkish Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 4/67:10 pm
SEA
- LGW
1 stop34h 00m
Turkish Airlines
Thu 4/97:00 am
LGW
- SEA
2 stops23h 42m
Turkish Airlines
Deal found 3/26![Turkish Airlines logo]()
$1,195
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 SWISS deal was found by Cheapflights users on 3/25. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
SEA
- LGW
2 stops17h 25m
SWISS
Wed 5/279:25 am
LGW
- SEA
2 stops19h 28m
SWISS
Deal found 3/25![SWISS logo]()
$940
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:40 pm
SEA
- LGW
1 stop13h 20m
Delta
Tue 4/1410:35 am
LGW
- SEA
1 stop15h 03m
Delta
Deal found 3/28![Delta logo]()
$1,125
This SWISS deal was found by Cheapflights users on 3/25. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:30 am
SEA
- LGW
2 stops23h 20m
SWISS
Tue 5/269:25 am
LGW
- SEA
2 stops21h 14m
SWISS
Deal found 3/25![SWISS logo]()
$1,066
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.
Wed 4/810:48 am
SEA
- LGW
2 stops27h 42m
Turkish Airlines
Fri 5/15:35 pm
LGW
- SEA
2 stops37h 12m
Turkish Airlines
Deal found 3/29![Turkish Airlines logo]()
$1,357
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.
Mon 6/156:10 pm
SEA
- LGW
1 stop16h 40m
Condor
Fri 6/1910:20 am
LGW
- SEA
1 stop13h 40m
Condor
Deal found 3/29![Condor logo]()
$1,365
This SWISS deal was found by Cheapflights users on 3/25. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:48 am
SEA
- LGW
2 stops37h 37m
SWISS
Tue 5/269:25 am
LGW
- SEA
2 stops21h 14m
SWISS
Deal found 3/25![SWISS logo]()
$1,295
Last-minute flights from Seattle to GatwickDiscover last-minute flight deals from Seattle to Gatwick. Data last updated March 30, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Gatwick. Data last updated March 30, 2026 and is based on user searches.
This Cheapflightsfares 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 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 3/27![Condor logo]()
$673
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 Cheapflightsfares 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 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
Wed 4/2210:20 am
LGW
- SEA
1 stop13h 20m
Condor
Deal found 3/29![Condor logo]()
$667
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 3/26. 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 4/203:40 pm
SEA
- LGW
3 stops33h 00m
Multiple Airlines
Mon 4/278:45 pm
LGW
- SEA
3 stops31h 55m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$636
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:40 pm
SEA
- LGW
2 stops19h 35m
Multiple Airlines
Fri 4/2411:00 am
LGW
- SEA
2 stops17h 40m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$677
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 Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:40 pm
SEA
- LGW
1 stop17h 10m
Condor
Tue 5/1210:20 am
LGW
- SEA
1 stop13h 20m
Condor
Deal found 3/27![Condor logo]()
$670
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 March 30, 2026.
Search for one-way flight options from Seattle to Gatwick. Find affordable one-way fares based on user searches. Data last updated March 30, 2026.
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 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 oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:40 pm
SEA
- LGW
1 stop14h 55m
Icelandair
Deal found 3/25![Icelandair logo]()
$426
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 3/25. 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 4/216:13 am
SEA
- LGW
1 stop16h 07m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$432
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 6/910:30 am
SEA
- LGW
3 stops20h 40m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$433
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.
Sun 6/145:45 am
SEA
- LGW
3 stops31h 10m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 5/111:07 am
SEA
- LGW
2 stops35h 53m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 6/207:00 pm
SEA
- LGW
2 stops17h 10m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$439
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 March 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $636 (Mytrip) |
One-way from | $418 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $643 |
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 March 30, 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
Wed 4/22
7:00 am-8:25 am
2 stops17h 25m
London Gatwick
Thu 5/28
9:25 am-8:53 pm
2 stops19h 28m
$940
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Wed 4/22
7:00 am-8:25 am
2 stops17h 25m
London Gatwick
Wed 5/27
9:25 am-8:53 pm
2 stops19h 28m
$940
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Mon 5/4
10:49 am-2:40 pm
2 stops19h 51m
London Gatwick
Sun 5/10
10:20 am-3:40 pm
1 stop13h 20m
$1,020
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Mon 4/6
6:10 pm-6:50 pm
1 stop16h 40m
London Gatwick
Wed 4/8
3:35 pm-4:00 pm
1 stop32h 25m
$1,034
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Tue 5/12
10:30 am-5:50 pm
2 stops23h 20m
London Gatwick
Tue 5/26
9:25 am-10:39 pm
2 stops21h 14m
$1,066
Quickest round-trip
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Tue 4/7
1:30 pm-9:25 am
1 stop11h 55m
London Gatwick
Tue 4/14
10:35 am-5:38 pm
1 stop15h 03m
$1,075
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Sat 4/4
6:40 pm-4:00 pm
1 stop13h 20m
London Gatwick
Tue 4/14
10:35 am-5:38 pm
1 stop15h 03m
$1,125
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Mon 4/6
7:10 pm-1:10 pm
1 stop34h 00m
London Gatwick
Thu 4/9
7:00 am-10:42 pm
2 stops23h 42m
$1,195
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Tue 4/21
10:48 am-8:25 am
2 stops37h 37m
London Gatwick
Tue 5/26
9:25 am-10:39 pm
2 stops21h 14m
$1,295
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
Showing 1-10 of 22 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 March.
| 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 March 30, 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.
Food
6.1
Comfort
6.9
Boarding
7.2
Entertainment
6.9
Crew
8.0
Overall
7.0
Reviews
1 / 20
2.0
MediocreBruce,Mar 2026
BCN - KEF
Food
6.1
Comfort
6.9
Boarding
7.2
Entertainment
6.9
Crew
8.0
Overall
7.0
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
Browse thousands of different options on Cheapflights for your next trip
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Other flights to Gatwick
Explore flights to Gatwick departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 30, 2026.
Seattle and Gatwick flights
Browse other Seattle and Gatwick flight options. Last updated on March 30, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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 March 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$503 | Average$672 | FlexibilityNo cancel fee | On-time76% |