$307+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
Oct 2 — Oct 91
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to GatwickExplore the most affordable flight options available from Seattle to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
Explore the most affordable flight options available from Seattle to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
This Mytrip deal was found by Cheapflights users on 8/28. 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 10/117:00 pm -
2 stops17h 10m
Sun 10/189:20 am -
2 stops19h 20m
Deal found 8/28![Multiple Airlines logo]()
$741
This Mytrip deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 pm -
2 stops15h 25m
Wed 11/1111:55 am -
1 stop13h 05m
Deal found 9/1![Multiple Airlines logo]()
$742
This Mytrip deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:55 pm -
3 stops33h 15m
Fri 10/97:55 pm -
2 stops25h 50m
Deal found 9/1![Multiple Airlines logo]()
$745
This Gotogate deal was found by Cheapflights users on 8/29. 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 Gotogate 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 10/203:40 pm -
1 stop34h 15m
Deal found 8/29![Icelandair logo]()
$748
This Mytrip deal was found by Cheapflights users on 8/30. 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.
Sat 10/173:40 pm -
2 stops19h 25m
Sun 10/259:15 am -
2 stops18h 25m
Deal found 8/30![Multiple Airlines logo]()
$750
This Mytrip deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:40 pm -
2 stops18h 20m
Sun 10/189:20 am -
2 stops19h 20m
Deal found 8/31![Multiple Airlines logo]()
$751
This Cheapflightsfares deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:35 pm -
1 stop12h 20m
Sun 12/611:55 am -
1 stop13h 05m
Deal found 8/31![Icelandair logo]()
$752
This Gotogate deal was found by Cheapflights users on 8/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:40 pm -
1 stop15h 00m
Wed 10/213:40 pm -
1 stop34h 15m
Deal found 8/30![Icelandair logo]()
$753
This Mytrip deal was found by Cheapflights users on 8/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:00 pm -
2 stops19h 30m
Wed 11/411:55 am -
1 stop13h 05m
Deal found 8/29![Multiple Airlines logo]()
$754
This Mytrip deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:55 pm -
2 stops20h 00m
Mon 10/54:25 pm -
3 stops35h 39m
Deal found 9/1![Multiple Airlines logo]()
$755
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 2, 2026.
Discover carefully curated flight deals from Seattle to Gatwick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
This Icelandair deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:35 pm -
1 stop12h 20m
Sun 12/1311:55 am -
1 stop13h 05m
Deal found 9/1![Icelandair logo]()
$791
This Virgin Atlantic deal was found by Cheapflights users on 8/28. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/203:25 pm -
1 stop16h 20m
Wed 1/2710:00 am -
1 stop13h 13m
Deal found 8/28![Virgin Atlantic logo]()
$871
This Turkish Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 pm -
1 stop37h 25m
Tue 11/176:30 am -
1 stop18h 40m
Deal found 8/31![Turkish Airlines logo]()
$889
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:20 pm -
1 stop16h 25m
Sun 11/810:00 am -
1 stop13h 14m
Deal found 8/31![Delta logo]()
$964
This Norse deal was found by Cheapflights users on 8/27. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:15 pm -
1 stop23h 05m
Sat 9/261:05 pm -
1 stop18h 37m
Deal found 8/27![Multiple Airlines logo]()
$1,219
This Turkish Airlines deal was found by Cheapflights users on 8/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:05 pm -
1 stop19h 30m
Fri 1/296:30 am -
1 stop18h 40m
Deal found 8/28![Turkish Airlines logo]()
$939
This Virgin Atlantic deal was found by Cheapflights users on 8/27. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/186:05 am -
2 stops18h 55m
Mon 2/810:00 am -
2 stops20h 02m
Deal found 8/27![Virgin Atlantic logo]()
$939
This Icelandair deal was found by Cheapflights users on 8/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:40 pm -
1 stop15h 00m
Mon 11/1611:55 am -
1 stop13h 05m
Deal found 8/30![Icelandair logo]()
$987
This Turkish Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:15 pm -
1 stop37h 20m
Wed 11/46:30 am -
1 stop19h 40m
Deal found 8/31![Turkish Airlines logo]()
$956
This Virgin Atlantic deal was found by Cheapflights users on 8/27. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/58:25 am -
2 stops16h 35m
Mon 2/810:00 am -
2 stops20h 04m
Deal found 8/27![Virgin Atlantic logo]()
$989
This Norse deal was found by Cheapflights users on 8/28. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:23 pm -
1 stop34h 37m
Sun 9/272:00 pm -
1 stop28h 17m
Deal found 8/28![Multiple Airlines logo]()
$1,229
This Icelandair deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:34 pm -
2 stops29h 21m
Mon 12/1411:55 am -
1 stop13h 05m
Deal found 9/1![Icelandair logo]()
$1,149
Last-minute flights from Seattle to GatwickDiscover last-minute flight deals from Seattle to Gatwick. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Gatwick. Data last updated September 2, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:55 pm -
3 stops33h 15m
Fri 10/97:55 pm -
2 stops25h 50m
Deal found 9/1![Multiple Airlines logo]()
$745
This Mytrip deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:55 pm -
2 stops20h 00m
Mon 10/54:25 pm -
3 stops35h 39m
Deal found 9/1![Multiple Airlines logo]()
$755
This Mytrip deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:40 pm -
2 stops18h 20m
Sun 10/189:20 am -
2 stops19h 20m
Deal found 8/31![Multiple Airlines logo]()
$751
This Mytrip deal was found by Cheapflights users on 8/28. 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 10/117:00 pm -
2 stops17h 10m
Sun 10/189:20 am -
2 stops19h 20m
Deal found 8/28![Multiple Airlines logo]()
$741
This Gotogate deal was found by Cheapflights users on 8/29. 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 Gotogate 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 10/203:40 pm -
1 stop34h 15m
Deal found 8/29![Icelandair logo]()
$748
This Gotogate deal was found by Cheapflights users on 8/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:40 pm -
1 stop15h 00m
Wed 10/213:40 pm -
1 stop34h 15m
Deal found 8/30![Icelandair logo]()
$753
This Mytrip deal was found by Cheapflights users on 8/30. 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.
Sat 10/173:40 pm -
2 stops19h 25m
Sun 10/259:15 am -
2 stops18h 25m
Deal found 8/30![Multiple Airlines logo]()
$750
This Mytrip deal was found by Cheapflights users on 8/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:00 pm -
2 stops19h 30m
Wed 11/411:55 am -
1 stop13h 05m
Deal found 8/29![Multiple Airlines logo]()
$754
This Mytrip deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 pm -
2 stops15h 25m
Wed 11/1111:55 am -
1 stop13h 05m
Deal found 9/1![Multiple Airlines logo]()
$742
This Cheapflightsfares deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:35 pm -
1 stop12h 20m
Wed 11/411:55 am -
1 stop13h 05m
Deal found 8/31![Icelandair logo]()
$752
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 2, 2026.
Search for one-way flight options from Seattle to Gatwick. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This oojo deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:40 pm -
1 stop15h 00m
Deal found 9/1![Icelandair logo]()
$307
This Mytrip deal was found by Cheapflights users on 8/30. 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 10/257:10 pm -
2 stops19h 35m
Deal found 8/30![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/143:40 pm -
2 stops16h 40m
Deal found 8/28![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 10/137:00 pm -
2 stops37h 20m
Deal found 8/29![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:30 am -
2 stops38h 55m
Deal found 9/1![Multiple Airlines logo]()
$311
This FlightHub deal was found by Cheapflights users on 8/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/102:35 pm -
1 stop12h 20m
Deal found 8/29![Icelandair logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 pm -
3 stops35h 55m
Deal found 8/30![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/272:35 pm -
2 stops37h 00m
Deal found 8/30![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 pm -
1 stop11h 40m
Deal found 8/31![Icelandair logo]()
$323
This Icelandair deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:00 pm -
1 stop11h 40m
Deal found 8/31![Icelandair logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Tue 10/67:00 pm -
3 stops36h 10m
Deal found 8/28![Multiple Airlines logo]()
$326
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 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $741 (Mytrip) |
One-way from | $307 (oojo) |
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 2, 2026.
Use the filters below to find and compare flights from Seattle to London Gatwick Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Tue 12/1
2:35 pm-10:55 am
1 stop12h 20m
London Gatwick
Sun 12/13
11:55 am-5:00 pm
1 stop13h 05m
$791
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Wed 1/20
3:25 pm-3:45 pm
1 stop16h 20m
London Gatwick
Wed 1/27
10:00 am-3:13 pm
1 stop13h 13m
$871
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Thu 11/12
7:05 pm-4:30 pm
1 stop37h 25m
London Gatwick
Tue 11/17
6:30 am-5:10 pm
1 stop18h 40m
$889
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Mon 1/11
7:05 pm-10:35 pm
1 stop19h 30m
London Gatwick
Fri 1/29
6:30 am-5:10 pm
1 stop18h 40m
$939
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Mon 1/18
6:05 am-9:00 am
2 stops18h 55m
London Gatwick
Mon 2/8
10:00 am-10:02 pm
2 stops20h 02m
$939
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Mon 10/19
7:15 pm-4:35 pm
1 stop37h 20m
London Gatwick
Wed 11/4
6:30 am-6:10 pm
1 stop19h 40m
$956
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
Sun 11/8
10:00 am-3:14 pm
1 stop13h 14m
$964
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Sun 10/18
3:40 pm-2:40 pm
1 stop15h 00m
London Gatwick
Mon 11/16
11:55 am-5:00 pm
1 stop13h 05m
$987
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Fri 2/5
8:25 am-9:00 am
2 stops16h 35m
London Gatwick
Mon 2/8
10:00 am-10:04 pm
2 stops20h 04m
$989
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Wed 12/2
9:34 pm-10:55 am
2 stops29h 21m
London Gatwick
Mon 12/14
11:55 am-5:00 pm
1 stop13h 05m
$1,149
Showing 1-10 of 23 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 2, 2026.
Read through reviews of airlines operating flights from Seattle to London Gatwick Airport, such as Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.2
Food
6.1
Overall
6.9
Crew
8.0
Comfort
6.9
Entertainment
6.9
Reviews
1 / 20
6.0
GoodWilliam,Jun 2026
SEA - KEF
Boarding
7.2
Food
6.1
Overall
6.9
Crew
8.0
Comfort
6.9
Entertainment
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
Winchester
Eastleigh
Gatwick
Hounslow
Harrow
Wembley
Southend-on-Sea
Basingstoke
Watford
Dartford
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Gatwick flight routes
Other flight options
Other flights from Seattle
Popular flights
Alternative routes for Seattle to Gatwick
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Gatwick by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Gatwick by cabin class
Find flights from Seattle to Gatwick, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 September 2, 2026.
Seattle and Gatwick flights
Browse other Seattle and Gatwick flight options. Last updated on September 2, 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 September 2, 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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$503 | Average$703 | FlexibilityNo cancel fee | On-time76% |