$329+ Cheap flights from Seattle (SEA) to Gatwick (LGW)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Gatwick with Cheapflights
1. Tell us where you want to go
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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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 September 18, 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 September 18, 2026.
This Mytrip deal was found by Cheapflights users on 9/13. 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 11/12:35 pm -
1 stop16h 35m
Fri 11/611:55 am -
1 stop13h 05m
Deal found 9/13![Multiple Airlines logo]()
$676
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 11/235:50 pm -
1 stop13h 10m
Mon 11/3010:25 am -
1 stop13h 30m
Deal found 9/13![Condor logo]()
$772
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/162:35 pm -
1 stop16h 55m
Fri 11/2011:55 am -
1 stop13h 05m
Deal found 9/17![Multiple Airlines logo]()
$774
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/287:00 pm -
1 stop12h 40m
Mon 11/911:55 am -
1 stop13h 05m
Deal found 9/16![Icelandair logo]()
$775
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/137:00 pm -
1 stop11h 40m
Thu 10/223:40 pm -
1 stop13h 00m
Deal found 9/16![Icelandair logo]()
$776
This Mytrip deal was found by Cheapflights users on 9/16. 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 10/228:00 pm -
2 stops35h 50m
Mon 11/24:10 pm -
2 stops34h 44m
Deal found 9/16![Multiple Airlines logo]()
$777
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Tue 10/137:00 pm -
1 stop11h 40m
Tue 10/2711:55 am -
1 stop13h 05m
Deal found 9/17![Icelandair logo]()
$778
This Mytrip deal was found by Cheapflights users on 9/17. 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 9/307:00 pm -
2 stops15h 25m
Mon 10/56:05 pm -
2 stops34h 35m
Deal found 9/17![Multiple Airlines logo]()
$779
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 pm -
1 stop11h 40m
Thu 10/223:40 pm -
1 stop13h 00m
Deal found 9/16![Icelandair logo]()
$780
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Sat 10/102:10 pm -
2 stops21h 25m
Tue 10/207:55 pm -
3 stops30h 37m
Deal found 9/13![Multiple Airlines logo]()
$782
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 10/117:10 pm -
1 stop16h 50m
Sun 10/188:55 am -
1 stop16h 15m
Deal found 9/13![Multiple Airlines logo]()
$784
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Wed 12/22:35 pm -
2 stops19h 25m
Wed 12/911:55 am -
1 stop13h 05m
Deal found 9/15![Multiple Airlines logo]()
$785
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 September 18, 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 September 18, 2026.
This Delta deal was found by Cheapflights users on 9/17. 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 10/284:20 pm -
1 stop16h 25m
Sun 11/810:00 am -
1 stop13h 14m
Deal found 9/17![Delta logo]()
$792
This SWISS deal was found by Cheapflights users on 9/14. 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 10/227:00 am -
2 stops17h 25m
Sun 11/88:40 am -
2 stops22h 27m
Deal found 9/14![SWISS logo]()
$875
This Turkish Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 10/117:15 pm -
1 stop19h 10m
Sun 10/187:30 am -
1 stop17h 50m
Deal found 9/16![Turkish Airlines logo]()
$948
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1610:22 am -
2 stops16h 33m
Mon 12/2111:55 am -
2 stops18h 01m
Deal found 9/16![Multiple Airlines logo]()
$1,461
This Virgin Atlantic deal was found by Cheapflights users on 9/13. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/24:05 pm -
1 stop15h 40m
Sat 1/1610:00 am -
2 stops20h 02m
Deal found 9/13![Virgin Atlantic logo]()
$1,503
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 1/273:25 pm -
1 stop16h 20m
Sun 1/3110:00 am -
1 stop13h 13m
Deal found 9/14![Delta logo]()
$802
This SWISS deal was found by Cheapflights users on 9/17. 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 11/13:35 pm -
2 stops18h 15m
Sun 11/88:40 am -
2 stops22h 38m
Deal found 9/17![SWISS logo]()
$969
This Turkish Airlines deal was found by Cheapflights users on 9/17. 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 2/101:16 pm -
2 stops43h 14m
Tue 2/1610:05 am -
1 stop39h 05m
Deal found 9/17![Turkish Airlines logo]()
$1,149
This SWISS deal was found by Cheapflights users on 9/17. 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.
Sat 10/177:00 am -
2 stops17h 20m
Sat 10/249:25 am -
2 stops21h 31m
Deal found 9/17![SWISS logo]()
$1,110
This Turkish Airlines deal was found by Cheapflights users on 9/17. 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 11/161:16 pm -
2 stops35h 54m
Sun 11/226:30 am -
1 stop18h 40m
Deal found 9/17![Turkish Airlines logo]()
$1,169
This Turkish Airlines deal was found by Cheapflights users on 9/16. 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 10/298:05 pm -
1 stop19h 30m
Sat 11/75:25 pm -
2 stops37h 42m
Deal found 9/16![Turkish Airlines logo]()
$1,220
Last-minute flights from Seattle to GatwickDiscover last-minute flight deals from Seattle to Gatwick. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Gatwick. Data last updated September 18, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/16. 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 9/297:00 pm -
2 stops15h 25m
Mon 10/58:10 pm -
3 stops32h 30m
Deal found 9/16![Multiple Airlines logo]()
$789
This Mytrip deal was found by Cheapflights users on 9/17. 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 9/307:00 pm -
2 stops15h 25m
Mon 10/56:05 pm -
2 stops34h 35m
Deal found 9/17![Multiple Airlines logo]()
$779
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Fri 10/93:40 pm -
1 stop15h 00m
Thu 10/153:40 pm -
1 stop13h 00m
Deal found 9/16![Icelandair logo]()
$788
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Sat 10/102:10 pm -
2 stops21h 25m
Tue 10/207:55 pm -
3 stops30h 37m
Deal found 9/13![Multiple Airlines logo]()
$782
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 10/117:10 pm -
1 stop16h 50m
Sun 10/188:55 am -
1 stop16h 15m
Deal found 9/13![Multiple Airlines logo]()
$784
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 pm -
1 stop11h 40m
Thu 10/223:40 pm -
1 stop13h 00m
Deal found 9/16![Icelandair logo]()
$780
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/137:00 pm -
1 stop11h 40m
Thu 10/223:40 pm -
1 stop13h 00m
Deal found 9/16![Icelandair logo]()
$776
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Tue 10/137:00 pm -
1 stop11h 40m
Tue 10/2711:55 am -
1 stop13h 05m
Deal found 9/17![Icelandair logo]()
$778
This Mytrip deal was found by Cheapflights users on 9/16. 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 10/228:00 pm -
2 stops35h 50m
Mon 11/24:10 pm -
2 stops34h 44m
Deal found 9/16![Multiple Airlines logo]()
$777
This Mytrip deal was found by Cheapflights users on 9/18. 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.
Fri 10/233:40 pm -
2 stops21h 55m
Wed 11/188:05 am -
3 stops21h 52m
Deal found 9/18![Multiple Airlines logo]()
$787
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/287:00 pm -
1 stop12h 40m
Mon 11/911:55 am -
1 stop13h 05m
Deal found 9/16![Icelandair logo]()
$775
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Fri 10/303:35 pm -
1 stop12h 20m
Mon 11/911:55 am -
1 stop13h 05m
Deal found 9/17![Icelandair logo]()
$774
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 September 18, 2026.
Search for one-way flight options from Seattle to Gatwick. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/17:00 pm -
2 stops35h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/303:35 pm -
3 stops33h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/810:30 am -
2 stops37h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$332
This Mytrip deal was found by Cheapflights users on 9/16. 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 10/313:35 pm -
3 stops19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2911:59 am -
2 stops19h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$334
This United deal was found by Cheapflights users on 9/15. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1210:45 pm -
2 stops35h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sat 10/33:55 pm -
2 stops20h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$337
This KAYAK deal was found by Cheapflights users on 9/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/121:16 pm -
2 stops20h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![SWISS logo]()
$341
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 September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $676 (Mytrip) |
One-way from | $329 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $879 |
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 7,457,451 searches. Data last updated September 18, 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 Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Mon 12/28
3:25 pm-3:45 pm
1 stop16h 20m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$362
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Mon 12/14
3:25 pm-3:45 pm
1 stop16h 20m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$362
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Sun 12/13
7:15 am-3:45 pm
2 stops24h 30m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$366
Quickest round-trip
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Thu 2/4
4:05 pm-3:45 pm
1 stop15h 40m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$379
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Wed 10/28
4:20 pm-3:45 pm
1 stop16h 25m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$379
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Tue 11/10
4:05 pm-3:45 pm
1 stop15h 40m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$379
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Mon 11/9
3:25 pm-3:45 pm
1 stop16h 20m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$379
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Fri 2/26
3:30 pm-3:45 pm
1 stop16h 15m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$380
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Sat 2/27
4:05 pm-3:45 pm
1 stop15h 40m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$380
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Fri 1/22
3:30 pm-5:50 pm
2 stops18h 20m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$386
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 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
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 September 18, 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.
Crew
8.0
Boarding
7.2
Entertainment
6.9
Comfort
6.9
Food
6.1
Overall
6.9
Reviews
1 / 20
6.0
GoodWilliam,Jun 2026
SEA - KEF
Crew
8.0
Boarding
7.2
Entertainment
6.9
Comfort
6.9
Food
6.1
Overall
6.9
Reviews
1 / 20
6.0
GoodWilliam,Jun 2026
SEA - 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
Dorking
Gatwick
Hounslow
Harrow
Wembley
Southend-on-Sea
Basingstoke
Watford
Dartford
Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow
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Other flights to Gatwick
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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 7,457,451 searches. Data last updated September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$506 | Average$703 | FlexibilityNo cancel fee | On-time76% |