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Gatwick

$277+ Cheap flights from Washington 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
mar. 7 — mar. 141
sáb. 3/7
sáb. 3/14
1 adult, Economy
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Cheap flight deals from Washington to Gatwick

Cheapest flights from Washington to Gatwick
Explore the most affordable flight options available from Washington to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 5, 2026.

This Gotogate deal was found by Cheapflights users on 2/3. 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.
lun. 4/137:00 pm
SEA
-
LGW
1 stop11h 40m
Icelandair
mié. 4/223:40 pm
LGW
-
SEA
1 stop34h 15m
Icelandair
Deal found 2/3$541
This oojo deal was found by Cheapflights users on 2/3. 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.
lun. 4/133:40 pm
SEA
-
LGW
1 stop15h 00m
Icelandair
mar. 4/213:40 pm
LGW
-
SEA
1 stop13h 00m
Icelandair
Deal found 2/3$542
This oojo deal was found by Cheapflights users on 2/3. 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.
lun. 3/22:35 pm
SEA
-
LGW
1 stop12h 20m
Icelandair
mié. 4/13:40 pm
LGW
-
SEA
1 stop34h 15m
Icelandair
Deal found 2/3$543
This oojo deal was found by Cheapflights users on 2/5. 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.
lun. 4/133:40 pm
SEA
-
LGW
1 stop15h 00m
Icelandair
lun. 4/203:40 pm
LGW
-
SEA
1 stop13h 00m
Icelandair
Deal found 2/5$544
This oojo deal was found by Cheapflights users on 2/5. 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.
mié. 3/42:35 pm
SEA
-
LGW
1 stop12h 20m
Icelandair
dom. 3/811:55 am
LGW
-
SEA
1 stop13h 05m
Icelandair
Deal found 2/5$545
This FlightHub deal was found by Cheapflights users on 2/3. 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.
dom. 4/127:00 pm
SEA
-
LGW
1 stop11h 40m
Icelandair
mié. 4/223:40 pm
LGW
-
SEA
1 stop13h 00m
Icelandair
Deal found 2/3$546
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
lun. 2/232:35 pm
SEA
-
LGW
1 stop12h 20m
Icelandair
mar. 3/311:55 am
LGW
-
SEA
1 stop13h 05m
Icelandair
Deal found 2/1$549
This oojo deal was found by Cheapflights users on 2/3. 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.
mié. 4/297:00 pm
SEA
-
LGW
1 stop11h 40m
Icelandair
lun. 5/113:40 pm
LGW
-
SEA
1 stop13h 00m
Icelandair
Deal found 2/3$550
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
lun. 3/22:35 pm
SEA
-
LGW
1 stop12h 20m
Icelandair
mié. 3/1811:55 am
LGW
-
SEA
1 stop13h 05m
Icelandair
Deal found 2/4$551
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
mié. 2/252:35 pm
SEA
-
LGW
1 stop12h 20m
Icelandair
vie. 3/1311:55 am
LGW
-
SEA
1 stop13h 05m
Icelandair
Deal found 2/4$552
This KAYAK deal was found by Cheapflights users on 2/4. 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.
mié. 2/252:35 pm
SEA
-
LGW
1 stop12h 20m
Icelandair
mar. 3/1711:55 am
LGW
-
SEA
1 stop13h 05m
Icelandair
Deal found 2/4$553
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/257:00 pm
SEA
-
LGW
1 stop11h 40m
Icelandair
dom. 5/103:40 pm
LGW
-
SEA
1 stop34h 15m
Icelandair
Deal found 2/2$554

Find flight deals from Washington to Gatwick

Keep the following information in mind while searching for Washington to Gatwick flight deals. Data was last updated febrero 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$541
(Gotogate)

One-way from

$277
(Trip.com)

Popular in

June

Cheapest in

October

Average price

$657
Provider with most accurate pricing for Seattle/Tacoma Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London (LON) flights.
Search Deals
From Washington to London Gatwick
Search Deals
One-way flight from Washington to London Gatwick
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($140 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 febrero 5, 2026.
Use the filters below to find and compare flights from Washington to London Gatwick Airport that are best for you.

Fly from

Washington

Fly to

Gatwick

Route

Depart

Return

Price

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

mié. 4/15

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

lun. 4/27

3:40 pm-8:40 pm

1 stop13h 00m

$571

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

vie. 4/17

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

mié. 4/29

3:40 pm-8:40 pm

1 stop13h 00m

$571

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

mié. 4/15

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

sáb. 4/25

3:40 pm-8:40 pm

1 stop13h 00m

$571

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

jue. 4/16

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

mié. 4/29

3:40 pm-8:40 pm

1 stop13h 00m

$571

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

sáb. 4/18

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

jue. 4/30

1:00 pm-5:55 pm

1 stop12h 55m

$572

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

sáb. 4/25

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

vie. 5/8

3:40 pm-8:40 pm

1 stop13h 00m

$579

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

jue. 4/23

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

mié. 5/6

3:40 pm-8:40 pm

1 stop13h 00m

$579

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

mar. 4/21

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

vie. 5/1

3:40 pm-8:40 pm

1 stop13h 00m

$579

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

sáb. 4/18

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

vie. 5/1

3:40 pm-8:40 pm

1 stop13h 00m

$579

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

mié. 4/29

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

mar. 5/12

1:00 pm-5:55 pm

1 stop12h 55m

$579

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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Best time to book a flight from Washington to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Washington 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 Washington to London Gatwick Airport

What is the cheapest month to book a flight from State of Washington to London Gatwick Airport?

Currently, May is the cheapest month in which you can book a flight from State of Washington to London Gatwick Airport (average of $493). Flying from State of Washington to London Gatwick Airport in June is currently the most expensive (average of $802). 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 State of Washington to London Gatwick Airport?

Related info for your journey

Find useful and relevant information for your journey from Washington to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to London Gatwick Airport?

    A quick flight from State of Washington to London Gatwick Airport can take about 11h 40m. Icelandair provides one of the quickest options available for as low as $571. The distance between State of Washington and London Gatwick Airport is about 4807 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from State of Washington to London Gatwick Airport?

    While some choose either Portland - London Gatwick or Spokane - London Gatwick, Seattle/Tacoma Intl - London Gatwick is the most popular route from State of Washington to London Gatwick Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to London Gatwick Airport?

    Currently, May is the cheapest month in which you can book a flight from State of Washington to London Gatwick Airport (average of $493). Flying from State of Washington to London Gatwick Airport in June is currently the most expensive (average of $802). 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 London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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Alternative routes for Washington to Gatwick

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Washington to Gatwick

Discover the top airline that operate flights from Washington 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 febrero 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$503Average$647FlexibilityNo cancel feeOn-time76%

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