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Gatwick

$253+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap 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 junio 12, 2025.

Round-trip from

$665
(Gotogate)

One-way from

$253
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$910
From Seattle/Tacoma Intl to London Gatwick
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One-way flight from Seattle/Tacoma Intl to London Gatwick
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Highest demand for flights based on searches. 10% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Seattle to Gatwick

Cheapest flights from Seattle to Gatwick
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 junio 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/10. 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.
jue. 9/411:30 pmSEA - LGW
1 stop31h 10mIcelandair
vie. 9/193:40 pmLGW - SEA
1 stop13h 00mIcelandair
Deal found 6/10$665
This SWISS deal was found by Cheapflights users on 6/10. 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.
mié. 8/2010:55 amSEA - LGW
2 stops23h 00mSWISS
mar. 9/236:35 pmLGW - SEA
2 stops32h 01mSWISS
Deal found 6/10$667
This Ovago deal was found by Cheapflights users on 6/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/277:49 amSEA - LGW
2 stops18h 51mBritish Airways
jue. 8/2810:40 amLGW - SEA
2 stops21h 00mBritish Airways
Deal found 6/10$668
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
vie. 9/197:00 pmSEA - LGW
1 stop11h 40mMultiple Airlines
jue. 9/2510:00 amLGW - SEA
1 stop20h 05mMultiple Airlines
Deal found 6/10$674
This Delta deal was found by Cheapflights users on 6/10. 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.
mar. 7/2911:34 amSEA - LGW
1 stop14h 26mDelta
mar. 8/1212:00 pmLGW - SEA
1 stop19h 15mDelta
Deal found 6/10$677
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/265:19 amSEA - LGW
2 stops18h 51mAmerican Airlines
jue. 8/2812:20 pmLGW - SEA
2 stops20h 34mAmerican Airlines
Deal found 6/10$695
This Virgin Atlantic deal was found by Cheapflights users on 6/11. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/55:30 amSEA - LGW
2 stops20h 30mVirgin Atlantic
dom. 8/1012:00 pmLGW - SEA
1 stop18h 48mVirgin Atlantic
Deal found 6/11$716
This JetBlue deal was found by Cheapflights users on 6/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/811:30 amSEA - LGW
1 stop14h 05mJetBlue
sáb. 8/2312:10 pmLGW - SEA
1 stop18h 00mJetBlue
Deal found 6/11$719
This Turkish Airlines deal was found by Cheapflights users on 6/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/97:00 pmSEA - LGW
1 stop37h 10mTurkish Airlines
mié. 11/196:25 amLGW - SEA
1 stop18h 40mTurkish Airlines
Deal found 6/11$798

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 junio 12, 2025.
Use the filters below to find and compare flights from Seattle to London Gatwick Airport that are best for you.

Fly from

Seattle

Fly to

Gatwick

Route

Depart

Return

Price

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

jue. 9/4

11:30 pm-2:40 pm

1 stop31h 10m

London Gatwick

vie. 9/19

3:40 pm-8:40 pm

1 stop13h 00m

$665

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

mié. 8/20

10:55 am-5:55 pm

2 stops23h 00m

London Gatwick

mar. 9/23

6:35 pm-6:36 pm

2 stops32h 01m

$667

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

dom. 7/27

7:49 am-10:40 am

2 stops18h 51m

London Gatwick

jue. 8/28

10:40 am-11:40 pm

2 stops21h 00m

$668

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

vie. 9/19

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

jue. 9/25

10:00 am-10:05 pm

1 stop20h 05m

$674

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

mar. 7/29

11:34 am-10:00 am

1 stop14h 26m

London Gatwick

mar. 8/12

12:00 pm-11:15 pm

1 stop19h 15m

$677

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

sáb. 7/26

5:19 am-8:10 am

2 stops18h 51m

London Gatwick

jue. 8/28

12:20 pm-12:54 am

2 stops20h 34m

$695

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

mar. 8/5

5:30 am-10:00 am

2 stops20h 30m

London Gatwick

dom. 8/10

12:00 pm-10:48 pm

1 stop18h 48m

$716

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

vie. 8/8

11:30 am-9:35 am

1 stop14h 05m

London Gatwick

sáb. 8/23

12:10 pm-10:10 pm

1 stop18h 00m

$719

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

dom. 11/9

7:00 pm-4:10 pm

1 stop37h 10m

London Gatwick

mié. 11/19

6:25 am-5:05 pm

1 stop18h 40m

$798

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

vie. 8/1

10:50 am-10:55 am

1 stop16h 05m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 15 results
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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.
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, January is the cheapest month in which you can book a flight from Seattle to London Gatwick Airport (average of $569). Flying from Seattle to London Gatwick Airport in June is currently the most expensive (average of $777). 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.

What is the cheapest time of day to fly from SEA to LGW?

Find hourly flight availability from Seattle to Gatwick. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

It’s optimal to fly from Seattle to London Gatwick Airport at noon. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the morning.

Rainfall in Gatwick by month

Plan your trip to Gatwick by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Gatwick Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Gatwick Airport when rainfall is around 1.6 in.

Temperature in Gatwick by month

Plan your trip to Gatwick by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Gatwick Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 junio 12, 2025.
Read through reviews of airlines operating flights from Seattle to London, such as Delta, SWISS and Virgin Atlantic. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,925 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What airport do you fly from for flights from Seattle to London Gatwick?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to London Gatwick. You should not have trouble finding flights to London Gatwick from Seattle/Tacoma Intl; the airport handles an average of 0 outbound flights to London Gatwick per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Seattle airport to London Gatwick. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • What are the cheapest airlines flying from Seattle to London Gatwick Airport round-trip?

    Flying on Icelandair is currently your cheapest option to London Gatwick Airport, with prices starting at $665. Additional round-trip tickets that might be worth considering are offered by SWISS and British Airways, with the lowest prices starting at $667 and $668, respectively. Icelandair is 5% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to London Gatwick Airport one-way?

    One-way options have recently been found by users for as low as $254 on Icelandair. Other airlines that offer cheap prices include JetBlue from $369 and WestJet from $398 one-way.

  • Can I find deals for flights from Seattle to Gatwick that include hotel bookings?

    Yes. In addition to deals on Seattle to Gatwick flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Gatwick?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Gatwick.

  • Can I find deals for business class flights from Seattle to Gatwick?

    Yes. Cheapflights offers flight deals from Seattle to Gatwick by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to London Gatwick Airport?

    Currently, January is the cheapest month in which you can book a flight from Seattle to London Gatwick Airport (average of $569). Flying from Seattle to London Gatwick Airport in June is currently the most expensive (average of $777). 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
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Folkestone
Borehamwood
Sutton
Aylesbury
Chelmsford
Brentwood
Chichester
Wembley
Arundel

Browse thousands of different options on Cheapflights for your next trip

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$512Average$658FlexibilityNo cancel feeOn-time76%

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