$407+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
May 16 — May 231
Round-trip
1 adult, Economy
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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 April 16, 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 16, 2026.
This Mytrip deal was found by Cheapflights users on 4/12. 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 5/73:40 pm
SEA
- LGW
3 stops33h 00m
Multiple Airlines
Thu 5/148:45 pm
LGW
- SEA
3 stops31h 55m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$670
This Mytrip deal was found by Cheapflights users on 4/13. 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.
Tue 4/287:00 pm
SEA
- LGW
2 stops19h 20m
Multiple Airlines
Tue 5/58:35 pm
LGW
- SEA
3 stops32h 33m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$676
This Mytrip deal was found by Cheapflights users on 4/13. 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 5/37:00 pm
SEA
- LGW
3 stops35h 25m
Multiple Airlines
Sun 5/109:45 pm
LGW
- SEA
3 stops28h 10m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$677
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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 4/206:10 pm
SEA
- LGW
1 stop16h 40m
Condor
Thu 5/710:20 am
LGW
- SEA
1 stop13h 40m
Condor
Deal found 4/13![Condor logo]()
$678
This Mytrip deal was found by Cheapflights users on 4/13. 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.
Tue 4/213:40 pm
SEA
- LGW
3 stops33h 00m
Multiple Airlines
Tue 4/286:25 am
LGW
- SEA
2 stops19h 30m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$684
This Mytrip deal was found by Cheapflights users on 4/15. 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.
Tue 5/53:40 pm
SEA
- LGW
2 stops19h 35m
Multiple Airlines
Sun 5/106:20 pm
LGW
- SEA
3 stops34h 20m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$690
This Mytrip deal was found by Cheapflights users on 4/13. 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 5/73:40 pm
SEA
- LGW
2 stops20h 40m
Multiple Airlines
Wed 5/208:50 pm
LGW
- SEA
3 stops32h 18m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$691
This Mytrip deal was found by Cheapflights users on 4/12. 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 5/107:00 pm
SEA
- LGW
3 stops29h 40m
Multiple Airlines
Tue 5/269:35 pm
LGW
- SEA
3 stops44h 30m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$695
This Mytrip deal was found by Cheapflights users on 4/11. 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.
Sat 4/187:00 pm
SEA
- LGW
2 stops16h 05m
Multiple Airlines
Sat 4/259:20 am
LGW
- SEA
2 stops16h 35m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$702
This Mytrip deal was found by Cheapflights users on 4/14. 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 5/37:00 pm
SEA
- LGW
3 stops35h 25m
Multiple Airlines
Tue 5/199:40 am
LGW
- SEA
2 stops17h 05m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$705
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 16, 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 16, 2026.
This Delta deal was found by Cheapflights users on 4/14. 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 8/21:30 pm
SEA
- LGW
1 stop11h 55m
Delta
Fri 8/1410:25 am
LGW
- SEA
1 stop15h 09m
Delta
Deal found 4/14![Delta logo]()
$1,015
This Virgin Atlantic deal was found by Cheapflights users on 4/15. 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.
Fri 7/311:30 pm
SEA
- LGW
1 stop18h 30m
Virgin Atlantic
Fri 9/1810:25 am
LGW
- SEA
2 stops20h 00m
Virgin Atlantic
Deal found 4/15![Virgin Atlantic logo]()
$1,023
This Condor deal was found by Cheapflights users on 4/15. 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.
Thu 5/148:43 am
SEA
- LGW
2 stops21h 57m
Multiple Airlines
Thu 5/2110:20 am
LGW
- SEA
1 stop13h 40m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,060
This SWISS deal was found by Cheapflights users on 4/13. 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.
Sun 8/97:01 am
SEA
- LGW
2 stops17h 24m
SWISS
Tue 8/189:25 am
LGW
- SEA
2 stops19h 18m
SWISS
Deal found 4/13![SWISS logo]()
$1,136
This Turkish Airlines deal was found by Cheapflights users on 4/14. 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.
Thu 6/188:45 am
SEA
- LGW
2 stops41h 10m
Turkish Airlines
Tue 7/77:25 am
LGW
- SEA
1 stop17h 50m
Turkish Airlines
Deal found 4/14![Turkish Airlines logo]()
$1,542
This Delta deal was found by Cheapflights users on 4/11. 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 8/56:40 pm
SEA
- LGW
1 stop13h 20m
Delta
Tue 8/1110:35 am
LGW
- SEA
1 stop14h 59m
Delta
Deal found 4/11![Delta logo]()
$1,092
This SWISS deal was found by Cheapflights users on 4/11. 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 7/297:01 am
SEA
- LGW
2 stops17h 24m
SWISS
Mon 8/179:25 am
LGW
- SEA
1 stop13h 15m
SWISS
Deal found 4/11![SWISS logo]()
$1,185
This Delta deal was found by Cheapflights users on 4/12. 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 8/47:15 am
SEA
- LGW
2 stops18h 10m
Delta
Fri 8/710:25 am
LGW
- SEA
1 stop32h 50m
Delta
Deal found 4/12![Delta logo]()
$1,181
This SWISS deal was found by Cheapflights users on 4/13. 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.
Mon 5/117:00 am
SEA
- LGW
2 stops17h 25m
SWISS
Tue 5/269:25 am
LGW
- SEA
2 stops21h 14m
SWISS
Deal found 4/13![SWISS logo]()
$1,216
This SWISS deal was found by Cheapflights users on 4/14. 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.
Thu 9/247:00 am
SEA
- LGW
2 stops17h 25m
SWISS
Sat 9/269:25 am
LGW
- SEA
2 stops19h 25m
SWISS
Deal found 4/14![SWISS logo]()
$1,272
Last-minute flights from Seattle to GatwickDiscover last-minute flight deals from Seattle to Gatwick. Data last updated April 16, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Gatwick. Data last updated April 16, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 4/11. 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.
Sat 4/187:00 pm
SEA
- LGW
2 stops16h 05m
Multiple Airlines
Sat 4/259:20 am
LGW
- SEA
2 stops16h 35m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$702
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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 4/206:10 pm
SEA
- LGW
1 stop16h 40m
Condor
Thu 5/710:20 am
LGW
- SEA
1 stop13h 40m
Condor
Deal found 4/13![Condor logo]()
$678
This Mytrip deal was found by Cheapflights users on 4/13. 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.
Tue 4/213:40 pm
SEA
- LGW
3 stops33h 00m
Multiple Airlines
Tue 4/286:25 am
LGW
- SEA
2 stops19h 30m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$684
This Mytrip deal was found by Cheapflights users on 4/13. 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.
Tue 4/287:00 pm
SEA
- LGW
2 stops19h 20m
Multiple Airlines
Tue 5/58:35 pm
LGW
- SEA
3 stops32h 33m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$676
This Mytrip deal was found by Cheapflights users on 4/13. 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 5/37:00 pm
SEA
- LGW
3 stops35h 25m
Multiple Airlines
Sun 5/109:45 pm
LGW
- SEA
3 stops28h 10m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$677
This Mytrip deal was found by Cheapflights users on 4/14. 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 5/37:00 pm
SEA
- LGW
3 stops35h 25m
Multiple Airlines
Tue 5/199:40 am
LGW
- SEA
2 stops17h 05m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$705
This Mytrip deal was found by Cheapflights users on 4/15. 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.
Tue 5/53:40 pm
SEA
- LGW
2 stops19h 35m
Multiple Airlines
Sun 5/106:20 pm
LGW
- SEA
3 stops34h 20m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$690
This Mytrip deal was found by Cheapflights users on 4/12. 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 5/73:40 pm
SEA
- LGW
3 stops33h 00m
Multiple Airlines
Thu 5/148:45 pm
LGW
- SEA
3 stops31h 55m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$670
This Mytrip deal was found by Cheapflights users on 4/13. 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 5/73:40 pm
SEA
- LGW
2 stops20h 40m
Multiple Airlines
Wed 5/208:50 pm
LGW
- SEA
3 stops32h 18m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$691
This Mytrip deal was found by Cheapflights users on 4/12. 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 5/107:00 pm
SEA
- LGW
3 stops29h 40m
Multiple Airlines
Tue 5/269:35 pm
LGW
- SEA
3 stops44h 30m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$695
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 16, 2026.
Search for one-way flight options from Seattle to Gatwick. Find affordable one-way fares based on user searches. Data last updated April 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 7/157:10 pm
SEA
- LGW
1 stop15h 15m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 8/317:10 pm
SEA
- LGW
1 stop33h 10m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$408
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Sat 6/67:00 pm
SEA
- LGW
3 stops29h 40m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/277:00 pm
SEA
- LGW
3 stops17h 35m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 6/1010:30 am
SEA
- LGW
3 stops28h 05m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 6/1511:25 pm
SEA
- LGW
3 stops33h 45m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$413
This Mytrip deal was found by Cheapflights users on 4/14. 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 6/47:00 pm
SEA
- LGW
3 stops29h 05m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$414
This Mytrip deal was found by Cheapflights users on 4/15. 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.
Tue 6/27:00 pm
SEA
- LGW
3 stops17h 35m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/2211:25 pm
SEA
- LGW
3 stops24h 50m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 4/12. 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
3 stops28h 30m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 6/217:00 pm
SEA
- LGW
2 stops43h 25m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$420
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 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $670 (Mytrip) |
One-way from | $407 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $704 |
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 16, 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
Quickest 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
$1,015
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Fri 7/31
1:30 pm-4:00 pm
1 stop18h 30m
London Gatwick
Fri 9/18
10:25 am-10:25 pm
2 stops20h 00m
$1,023
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Thu 5/14
8:43 am-2:40 pm
2 stops21h 57m
London Gatwick
Thu 5/21
10:20 am-4:00 pm
1 stop13h 40m
$1,060
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Wed 8/5
6:40 pm-4:00 pm
1 stop13h 20m
London Gatwick
Tue 8/11
10:35 am-5:34 pm
1 stop14h 59m
$1,092
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Sun 8/9
7:01 am-8:25 am
2 stops17h 24m
London Gatwick
Tue 8/18
9:25 am-8:43 pm
2 stops19h 18m
$1,136
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Tue 8/4
7:15 am-9:25 am
2 stops18h 10m
London Gatwick
Fri 8/7
10:25 am-11:15 am
1 stop32h 50m
$1,181
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Wed 7/29
7:01 am-8:25 am
2 stops17h 24m
London Gatwick
Mon 8/17
9:25 am-2:40 pm
1 stop13h 15m
$1,185
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Mon 5/11
7:00 am-8:25 am
2 stops17h 25m
London Gatwick
Tue 5/26
9:25 am-10:39 pm
2 stops21h 14m
$1,216
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Thu 9/24
7:00 am-8:25 am
2 stops17h 25m
London Gatwick
Sat 9/26
9:25 am-8:50 pm
2 stops19h 25m
$1,272
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Thu 6/18
8:45 am-9:55 am
2 stops41h 10m
London Gatwick
Tue 7/7
7:25 am-5:15 pm
1 stop17h 50m
$1,542
Showing 1-10 of 21 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, November is the cheapest month in which you can book a flight from Seattle to London Gatwick Airport (average of $519). Flying from Seattle to London Gatwick Airport in July is currently the most expensive (average of $968). 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 16, 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
Overall
7.0
Boarding
7.2
Crew
8.0
Food
6.2
Entertainment
6.9
Reviews
1 / 20
10.0
ExcellentÁsmundur,Apr 2026
CDG - KEF
Comfort
6.9
Overall
7.0
Boarding
7.2
Crew
8.0
Food
6.2
Entertainment
6.9
Reviews
1 / 20
10.0
ExcellentÁsmundur,Apr 2026
CDG - 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
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted
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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 April 16, 2026.
Seattle and Gatwick flights
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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 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$503 | Average$678 | FlexibilityNo cancel fee | On-time76% |