Gatwick

$220+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
Jul 8 — Jul 151
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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 July 3, 2025.

Round-trip from

$577
(Mytrip)

One-way from

$220
(Icelandair)

Popular in

June

Cheapest in

January

Average price

$758
From Seattle/Tacoma Intl to London Gatwick
One-way flight from Seattle/Tacoma Intl to London Gatwick
Highest demand for flights based on searches. 11% potential increase in price ($88 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/2. 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 7/243:45 pmSEA - LGW
2 stops21h 40mMultiple Airlines
Fri 8/18:55 amLGW - SEA
2 stops19h 45mMultiple Airlines
Deal found 7/2$577
This oojo deal was found by Cheapflights users on 7/1. 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.
Wed 8/1311:30 pmSEA - LGW
1 stop31h 10mIcelandair
Fri 9/53:40 pmLGW - SEA
1 stop13h 00mIcelandair
Deal found 7/1$579
This SWISS deal was found by Cheapflights users on 6/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/254:25 pmSEA - LGW
1 stop17h 25mSWISS
Tue 9/166:35 pmLGW - SEA
2 stops32h 01mSWISS
Deal found 6/30$592
This Virgin Atlantic deal was found by Cheapflights users on 7/2. 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 8/165:30 amSEA - LGW
2 stops20h 30mVirgin Atlantic
Sun 8/3112:00 pmLGW - SEA
1 stop19h 15mVirgin Atlantic
Deal found 7/2$596
This Ovago deal was found by Cheapflights users on 7/2. 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.
Sat 7/267:49 amSEA - LGW
2 stops18h 51mBritish Airways
Thu 8/2810:40 amLGW - SEA
2 stops21h 01mBritish Airways
Deal found 7/2$606
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:18 amSEA - LGW
1 stop18h 42mDelta
Thu 8/2812:00 pmLGW - SEA
1 stop19h 15mDelta
Deal found 7/1$611

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 July 3, 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

Thu 7/24

3:45 pm-9:25 pm

2 stops21h 40m

London Gatwick

Fri 8/1

8:55 am-8:40 pm

2 stops19h 45m

$577

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 8/13

11:30 pm-2:40 pm

1 stop31h 10m

London Gatwick

Fri 9/5

3:40 pm-8:40 pm

1 stop13h 00m

$579

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Mon 8/25

4:25 pm-5:50 pm

1 stop17h 25m

London Gatwick

Wed 9/17

6:35 pm-6:36 pm

2 stops32h 01m

$592

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sat 8/16

5:30 am-10:00 am

2 stops20h 30m

London Gatwick

Sun 8/31

12:00 pm-11:15 pm

1 stop19h 15m

$596

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sat 7/26

7:49 am-10:40 am

2 stops18h 51m

London Gatwick

Thu 8/28

10:40 am-11:41 pm

2 stops21h 01m

$606

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 8/13

11:25 am-10:00 am

1 stop14h 35m

London Gatwick

Wed 8/27

12:00 pm-11:15 pm

1 stop19h 15m

$611

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Mon 9/15

7:00 pm-2:35 pm

1 stop11h 35m

$220

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 9/30

3:45 pm-8:15 pm

2 stops20h 30m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 $568). Flying from Seattle to London Gatwick Airport in June is currently the most expensive (average of $764). 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 July 3, 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.

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 3, 2025.
Read through reviews of airlines operating flights from Seattle to London Gatwick Airport, such as Delta, SWISS, and Virgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good
8.0
Very good

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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 $579. Additional round-trip tickets that might be worth considering are offered by SWISS and Virgin Atlantic, with the lowest prices starting at $592 and $596, respectively. Icelandair is 17% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $568). Flying from Seattle to London Gatwick Airport in June is currently the most expensive (average of $764). 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
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
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Borehamwood
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Dartford

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$512Average$658FlexibilityNo cancel feeOn-time76%

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