$291+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA ā LGW
Aug 9 ā Aug 161
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 July 10, 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 July 10, 2026.
This Mytrip deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Mytrip is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Wed 9/233:40 pm
SEA
- LGW
2 stops18h 10m
Multiple Airlines
Mon 9/288:50 pm
LGW
- SEA
3 stops31h 50m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$675
This Mytrip deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Mytrip is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sun 8/233:40 pm
SEA
- LGW
2 stops20h 30m
Multiple Airlines
Sun 8/309:20 am
LGW
- SEA
2 stops34h 25m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$677
This Icelandair deal was found by Cheapflights users on 7/8. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Icelandair is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Fri 10/97:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Thu 10/2911:55 am
LGW
- SEA
1 stop13h 05m
Icelandair
Deal found 7/8![Icelandair logo]()
$678
This Cheapflightsfares deal was found by Cheapflights users on 7/8. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Cheapflightsfares is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 9/17:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Thu 10/13:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Deal found 7/8![Icelandair logo]()
$680
This Booking.com deal was found by Cheapflights users on 7/8. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Booking.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Wed 8/2611:25 pm
SEA
- LGW
1 stop31h 15m
Icelandair
Thu 9/103:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Deal found 7/8![Icelandair logo]()
$681
This Mytrip deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Mytrip is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Mon 8/247:00 pm
SEA
- LGW
2 stops16h 15m
Multiple Airlines
Mon 8/3111:00 am
LGW
- SEA
2 stops17h 40m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$683
This Mytrip deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Mytrip is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Thu 9/242:10 pm
SEA
- LGW
3 stops35h 00m
Multiple Airlines
Tue 9/297:55 pm
LGW
- SEA
3 stops30h 37m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$685
This Gotogate deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Gotogate is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 8/257:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Tue 9/81:00 pm
LGW
- SEA
1 stop12h 55m
Icelandair
Deal found 7/9![Icelandair logo]()
$686
This Gotogate deal was found by Cheapflights users on 7/7. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Gotogate is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 8/2511:25 pm
SEA
- LGW
1 stop28h 20m
Icelandair
Sat 9/123:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Deal found 7/7![Icelandair logo]()
$687
This Gotogate deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Gotogate is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 9/111:25 pm
SEA
- LGW
1 stop28h 20m
Icelandair
Tue 9/293:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Deal found 7/9![Icelandair logo]()
$690
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Kiwi.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 8/257:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Thu 9/31:00 pm
LGW
- SEA
1 stop12h 55m
Icelandair
Deal found 7/8![Icelandair logo]()
$691
This oojo deal was found by Cheapflights users on 7/8. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure oojo is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 9/17:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Sat 9/53:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Deal found 7/8![Icelandair logo]()
$692
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 July 10, 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 July 10, 2026.
This Icelandair deal was found by Cheapflights users on 7/8. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Icelandair is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Fri 10/97:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Mon 10/262:40 pm
LGW
- SEA
1 stop34h 20m
Icelandair
Deal found 7/8![Icelandair logo]()
$726
This Condor deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Condor is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 8/2510:40 am
SEA
- LGW
2 stops24h 10m
Multiple Airlines
Tue 9/810:20 am
LGW
- SEA
1 stop13h 20m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$840
This Virgin Atlantic deal was found by Cheapflights users on 7/6. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Virgin Atlantic is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sat 10/246:00 am
SEA
- LGW
2 stops20h 00m
Virgin Atlantic
Fri 11/610:00 am
LGW
- SEA
1 stop13h 21m
Virgin Atlantic
Deal found 7/6![Virgin Atlantic logo]()
$918
This Delta deal was found by Cheapflights users on 7/7. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Delta is selected, and click āCompare selectedā 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 7/7![Delta logo]()
$981
This Turkish Airlines deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Turkish Airlines is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Mon 12/77:05 pm
SEA
- LGW
1 stop19h 30m
Turkish Airlines
Fri 1/226:30 am
LGW
- SEA
1 stop18h 40m
Turkish Airlines
Deal found 7/9![Turkish Airlines logo]()
$1,048
This Virgin Atlantic deal was found by Cheapflights users on 7/7. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Virgin Atlantic is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 8/41:30 pm
SEA
- LGW
1 stop11h 55m
Virgin Atlantic
Tue 8/115:00 pm
LGW
- SEA
1 stop26h 15m
Virgin Atlantic
Deal found 7/7![Virgin Atlantic logo]()
$949
This Virgin Atlantic deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Virgin Atlantic is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Thu 12/109:30 am
SEA
- LGW
2 stops22h 15m
Virgin Atlantic
Sat 1/2310:00 am
LGW
- SEA
2 stops20h 04m
Virgin Atlantic
Deal found 7/9![Virgin Atlantic logo]()
$977
This Turkish Airlines deal was found by Cheapflights users on 7/5. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Turkish Airlines is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Fri 9/181:16 pm
SEA
- LGW
2 stops36h 39m
Turkish Airlines
Mon 9/217:05 am
LGW
- SEA
1 stop18h 15m
Turkish Airlines
Deal found 7/5![Turkish Airlines logo]()
$1,108
This Virgin Atlantic deal was found by Cheapflights users on 7/5. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Virgin Atlantic is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sat 8/81:30 pm
SEA
- LGW
1 stop11h 50m
Virgin Atlantic
Tue 8/115:00 pm
LGW
- SEA
1 stop26h 15m
Virgin Atlantic
Deal found 7/5![Virgin Atlantic logo]()
$1,000
This Delta deal was found by Cheapflights users on 7/7. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Delta is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Thu 9/37:15 am
SEA
- LGW
2 stops24h 45m
Delta
Sun 9/1310:25 am
LGW
- SEA
1 stop15h 23m
Delta
Deal found 7/7![Delta logo]()
$1,334
This Virgin Atlantic deal was found by Cheapflights users on 7/7. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Virgin Atlantic is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Mon 9/147:23 am
SEA
- LGW
2 stops18h 17m
Virgin Atlantic
Mon 9/2110:25 am
LGW
- SEA
2 stops21h 30m
Virgin Atlantic
Deal found 7/7![Virgin Atlantic logo]()
$1,121
Last-minute flights from Seattle to GatwickDiscover last-minute flight deals from Seattle to Gatwick. Data last updated July 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Gatwick. Data last updated July 10, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 7/6. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Mytrip is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Mon 8/177:00 pm
SEA
- LGW
2 stops17h 10m
Multiple Airlines
Mon 8/249:20 am
LGW
- SEA
2 stops19h 20m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$692
This Mytrip deal was found by Cheapflights users on 7/6. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Mytrip is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Mon 8/178:00 am
SEA
- LGW
2 stops27h 15m
Multiple Airlines
Sun 8/238:15 pm
LGW
- SEA
2 stops23h 40m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$706
This Mytrip deal was found by Cheapflights users on 7/8. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Mytrip is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sat 8/228:00 am
SEA
- LGW
3 stops27h 55m
Multiple Airlines
Mon 8/249:05 pm
LGW
- SEA
3 stops32h 02m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$707
This Mytrip deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Mytrip is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sun 8/233:40 pm
SEA
- LGW
2 stops20h 30m
Multiple Airlines
Sun 8/309:20 am
LGW
- SEA
2 stops34h 25m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$677
This Mytrip deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Mytrip is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Mon 8/247:00 pm
SEA
- LGW
2 stops16h 15m
Multiple Airlines
Mon 8/3111:00 am
LGW
- SEA
2 stops17h 40m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$683
This Gotogate deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Gotogate is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 8/257:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Tue 9/81:00 pm
LGW
- SEA
1 stop12h 55m
Icelandair
Deal found 7/9![Icelandair logo]()
$686
This Gotogate deal was found by Cheapflights users on 7/7. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Gotogate is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 8/2511:25 pm
SEA
- LGW
1 stop28h 20m
Icelandair
Sat 9/123:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Deal found 7/7![Icelandair logo]()
$687
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Kiwi.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 8/257:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Thu 9/31:00 pm
LGW
- SEA
1 stop12h 55m
Icelandair
Deal found 7/8![Icelandair logo]()
$691
This Booking.com deal was found by Cheapflights users on 7/8. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Booking.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Wed 8/2611:25 pm
SEA
- LGW
1 stop31h 15m
Icelandair
Thu 9/103:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Deal found 7/8![Icelandair logo]()
$681
This Mytrip deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Mytrip is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sun 8/303:40 pm
SEA
- LGW
2 stops20h 20m
Multiple Airlines
Tue 9/156:00 am
LGW
- SEA
3 stops23h 04m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$702
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 July 10, 2026.
Search for one-way flight options from Seattle to Gatwick. Find affordable one-way fares based on user searches. Data last updated July 10, 2026.
This Icelandair deal was found by Cheapflights users on 7/8. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Icelandair is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sat 8/811:25 pm
SEA
- LGW
1 stop31h 15m
Icelandair
Deal found 7/8![Icelandair logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Kiwi.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 8/48:13 pm
SEA
- LGW
2 stops29h 47m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Kiwi.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Mon 8/108:53 pm
SEA
- LGW
2 stops29h 07m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Kiwi.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Sat 7/253:40 pm
SEA
- LGW
3 stops31h 45m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$300
This oojo deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure oojo is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Mon 10/57:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Deal found 7/9![Icelandair logo]()
$311
This Mytrip deal was found by Cheapflights users on 7/7. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Mytrip is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Wed 7/223:40 pm
SEA
- LGW
3 stops24h 30m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Kiwi.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Wed 8/52:22 pm
SEA
- LGW
3 stops35h 38m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$313
This Mytrip deal was found by Cheapflights users on 7/8. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Mytrip is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 10/61:30 pm
SEA
- LGW
1 stop11h 55m
Virgin Atlantic
Deal found 7/8![Virgin Atlantic logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure Kiwi.com is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Tue 9/17:07 pm
SEA
- LGW
3 stops59h 03m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$316
This oojo deal was found by Cheapflights users on 7/9. Clicking the āPick Datesā button in this card will allow you to select your dates and further customize your flight criteria. From there, click āFind dealsā, make sure oojo is selected, and click āCompare selectedā under the list of providers to see comparable flight deals.
Wed 7/223:40 pm
SEA
- LGW
1 stop12h 05m
Icelandair
Deal found 7/9![Icelandair logo]()
$318
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 July 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $675 (Mytrip) |
One-way from | $291 (Icelandair) |
Popular in | July |
Cheapest in | August |
Average price | $968 |
Cheapflights Fare Finder
Ā
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 July 10, 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
Fri 10/9
7:00 pm-2:40 pm
1 stop11h 40m
London Gatwick
Mon 10/26
2:40 pm-6:00 pm
1 stop34h 20m
$726
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Tue 8/25
10:40 am-6:50 pm
2 stops24h 10m
London Gatwick
Tue 9/8
10:20 am-3:40 pm
1 stop13h 20m
$840
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Sat 10/24
6:00 am-10:00 am
2 stops20h 00m
London Gatwick
Fri 11/6
10:00 am-3:21 pm
1 stop13h 21m
$918
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Tue 8/4
1:30 pm-9:25 am
1 stop11h 55m
London Gatwick
Tue 8/11
5:00 pm-11:15 am
1 stop26h 15m
$949
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Thu 12/10
9:30 am-3:45 pm
2 stops22h 15m
London Gatwick
Sat 1/23
10:00 am-10:04 pm
2 stops20h 04m
$977
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
$981
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Sat 8/8
1:30 pm-9:20 am
1 stop11h 50m
London Gatwick
Tue 8/11
5:00 pm-11:15 am
1 stop26h 15m
$1,000
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Mon 12/7
7:05 pm-10:35 pm
1 stop19h 30m
London Gatwick
Fri 1/22
6:30 am-5:10 pm
1 stop18h 40m
$1,048
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Fri 9/18
1:16 pm-9:55 am
2 stops36h 39m
London Gatwick
Mon 9/21
7:05 am-5:20 pm
1 stop18h 15m
$1,108
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Mon 9/14
7:23 am-9:40 am
2 stops18h 17m
London Gatwick
Mon 9/21
10:25 am-11:55 pm
2 stops21h 30m
$1,121
Showing 1-10 of 19 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 July.
| 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
What is the cheapest month to book a flight from Seattle to London Gatwick Airport?
Currently, August is the cheapest month in which you can book a flight from Seattle to London Gatwick Airport (average of $516). 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 July 10, 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
6.2
Entertainment
6.9
Overall
7.0
Comfort
6.9
Boarding
7.2
Crew
8.0
Reviews
1 / 20
6.0
GoodWilliam,Jun 2026
SEA - KEF
Food
6.2
Entertainment
6.9
Overall
7.0
Comfort
6.9
Boarding
7.2
Crew
8.0
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
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Watford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow
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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 July 10, 2026.
Seattle and Gatwick flights
Browse other Seattle and Gatwick flight options. Last updated on July 10, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on July 10, 2026.
Popular flight searches
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 July 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$498 | Average$703 | FlexibilityNo cancel fee | On-time76% |