Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from London Gatwick Airport to Washington from $310

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Washington departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Gatwick Airport to Washington

Cheap round-trip flights

Icelandair Logo
3:40 pm - 8:40 pmLGW-SEA
13h 00m1 stop
Icelandair Logo
7:00 pm - 2:40 pmSEA-LGW
11h 40m1 stop
$528Icelandair
Find Deal
vie., sep. 26 - vie., oct. 3
Logo
10:25 am - 11:11 amLGW-PDX
32h 46m2 stops
Logo
9:30 pm - 9:30 amPDX-LGW
28h 00m1 stop
$545
Find Deal
lun., sep. 8 - dom., sep. 21
Icelandair Logo
3:40 pm - 5:50 pmLGW-SEA
34h 10m1 stop
Icelandair Logo
3:45 pm - 2:40 pmSEA-LGW
14h 55m1 stop
$549Icelandair
Find Deal
jue., sep. 25 - jue., oct. 2
Icelandair Logo
3:40 pm - 5:50 pmLGW-SEA
34h 10m1 stop
Icelandair Logo
7:00 pm - 2:35 pmSEA-LGW
11h 35m1 stop
$551Icelandair
Find Deal
lun., sep. 15 - lun., sep. 29
Icelandair Logo
3:40 pm - 8:40 pmLGW-SEA
13h 00m1 stop
Icelandair Logo
3:45 pm - 2:40 pmSEA-LGW
14h 55m1 stop
$552Icelandair
Find Deal
vie., sep. 26 - vie., oct. 3
Icelandair Logo
3:40 pm - 8:40 pmLGW-SEA
13h 00m1 stop
Icelandair Logo
3:45 pm - 2:40 pmSEA-LGW
14h 55m1 stop
$553Icelandair
Find Deal
vie., ago. 29 - dom., oct. 5
Logo
9:50 am - 8:24 pmLGW-SEA
18h 34m1 stop
Logo
8:00 am - 9:30 amSEA-LGW
17h 30m1 stop
$577
Find Deal
sáb., sep. 20 - sáb., sep. 27
American Airlines Logo
10:40 am - 11:11 pmLGW-PDX
20h 31m2 stops
American Airlines Logo
6:07 am - 8:10 amPDX-LGW
18h 03m2 stops
$773American Airlines
Find Deal
jue., sep. 25 - jue., oct. 2
SWISS Logo
6:35 pm - 6:46 pmLGW-PDX
32h 11m2 stops
SWISS Logo
8:30 am - 5:50 pmPDX-LGW
25h 20m2 stops
$800SWISS
Find Deal
mar., sep. 9 - mar., sep. 16
SWISS Logo
6:35 pm - 10:25 pmLGW-PDX
35h 50m2 stops
SWISS Logo
10:51 am - 5:50 pmPDX-LGW
46h 59m2 stops
$844SWISS
Find Deal
lun., sep. 8 - dom., sep. 21

Icelandair flights from London Gatwick Airport to State of Washington

Our best Icelandair deals on London Gatwick Airport to State of Washington flight tickets
Icelandair
Sep 26
LGW3:40 pmLondon Gatwick
13h 00m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
Oct 3
SEA7:00 pmSeattle/Tacoma Intl
11h 40m
1 stop
LGW2:40 pmLondon Gatwick
$528
Find similar
Icelandair
Sep 25
LGW3:40 pmLondon Gatwick
34h 10m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
Oct 2
SEA3:45 pmSeattle/Tacoma Intl
14h 55m
1 stop
LGW2:40 pmLondon Gatwick
$549
Find similar
Icelandair
Sep 15
LGW3:40 pmLondon Gatwick
34h 10m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
Sep 29
SEA7:00 pmSeattle/Tacoma Intl
11h 35m
1 stop
LGW2:35 pmLondon Gatwick
$551
Find similar

JetBlue flights from London Gatwick Airport to State of Washington

Our best JetBlue deals on London Gatwick Airport to State of Washington flight tickets
JetBlue
Aug 24
LGW12:10 pmLondon Gatwick
17h 49m
1 stop
SEA9:59 pmSeattle/Tacoma Intl
Aug 27
SEA11:20 amSeattle/Tacoma Intl
14h 15m
1 stop
LGW9:35 amLondon Gatwick
$809
Find similar
JetBlue
Aug 20
LGW12:10 pmLondon Gatwick
17h 49m
1 stop
SEA9:59 pmSeattle/Tacoma Intl
Sep 4
SEA11:30 amSeattle/Tacoma Intl
14h 05m
1 stop
LGW9:35 amLondon Gatwick
$921
Find similar
JetBlue
Aug 13
LGW12:10 pmLondon Gatwick
18h 05m
1 stop
PDX10:15 pmPortland
Aug 20
PDX12:21 pmPortland
13h 14m
1 stop
LGW9:35 amLondon Gatwick
$927
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Gatwick Airport to State of Washington 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, momondo users made 832,500 searches. Data last updated agosto 12, 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

vie. 9/26

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

vie. 10/3

7:00 pm-2:40 pm

1 stop11h 40m

$528

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

lun. 9/8

10:25 am-11:11 am

2 stops32h 46m

Portland

dom. 9/21

9:30 pm-9:30 am

1 stop28h 00m

$545

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

jue. 9/25

3:40 pm-5:50 pm

1 stop34h 10m

Seattle/Tacoma Intl

jue. 10/2

3:45 pm-2:40 pm

1 stop14h 55m

$549

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

lun. 9/15

3:40 pm-5:50 pm

1 stop34h 10m

Seattle/Tacoma Intl

lun. 9/29

7:00 pm-2:35 pm

1 stop11h 35m

$551

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

vie. 9/26

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

vie. 10/3

3:45 pm-2:40 pm

1 stop14h 55m

$552

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

vie. 8/29

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

dom. 10/5

3:45 pm-2:40 pm

1 stop14h 55m

$553

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

sáb. 9/20

9:50 am-8:24 pm

1 stop18h 34m

Seattle/Tacoma Intl

sáb. 9/27

8:00 am-9:30 am

1 stop17h 30m

$577

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

jue. 9/25

10:40 am-11:11 pm

2 stops20h 31m

Portland

jue. 10/2

6:07 am-8:10 am

2 stops18h 03m

$773

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

mar. 9/9

6:35 pm-6:46 pm

2 stops32h 11m

Portland

mar. 9/16

8:30 am-5:50 pm

2 stops25h 20m

$800

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

lun. 9/8

6:35 pm-10:25 pm

2 stops35h 50m

Portland

dom. 9/21

10:51 am-5:50 pm

2 stops46h 59m

$844

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington from

How to get the cheapest flight ticket from London Gatwick Airport to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to State of Washington?

The month of March is, on average, the cheapest month to fly to State of Washington from London Gatwick Airport, with most prices found around $538. If you aren’t able to travel to State of Washington during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $563.

Can stopping save me money on London Gatwick Airport to State of Washington flights?

You could potentially save up to 33% on your flight if you consider stops on a London Gatwick Airport to State of Washington flight.

Cheap London Gatwick Airport to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to State of Washington

Best Price Found

$310

Fastest flight time

12h 50m

Direct flights

None

Airports in State of Washington

3 airports
The best one-way flight to State of Washington from London Gatwick Airport in the past 72 hours is $310. The best round-trip flight deal from London Gatwick Airport to State of Washington found on momondo in the last 72 hours is $528.
The fastest flight from London Gatwick Airport to State of Washington takes 12h 50m
There are no direct flights from London Gatwick Airport to State of Washington. Popular non-direct routes for this connection are London Gatwick Airport - Seattle/Tacoma Intl Airport and London Gatwick Airport - Portland Airport.
There are 3 airports near State of Washington: Portland (PDX), Spokane (GEG), Seattle/Tacoma Intl (SEA)
Search flight deals

  • When did momondo last update prices for flights from London Gatwick Airport to Washington?

    Prices for flights from London Gatwick Airport to Washington refresh daily.

  • How many operators does momondo search for flights from London Gatwick Airport to Washington?

  • How old do you have to be to fly from London Gatwick Airport to Washington?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Gatwick Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from London Gatwick Airport to State of Washington

Compare and see reviews for airlines that fly from London Gatwick Airport to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $402Free CancellationRating
7.0
526 reviews
Search Icelandair flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Washington?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Washington for you.

Can I find flights from London to Washington with flexible booking policies on momondo?

Yes. All flights to Washington from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Washington?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington from London.

I’m not ready to book a flight from London to Washington right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
dom. 8/17
dom. 8/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $58
Flights to Los Angelesfrom $46
Flights to Miamifrom $61
Flights to Chicagofrom $47
Flights to Orlandofrom $61
Flights to Las Vegasfrom $15
Flights to San Franciscofrom $69
Flights to Washington, D.C.from $56
Flights to Bostonfrom $67
Flights to Atlantafrom $49
Flights to Dallasfrom $57
Flights to Seattlefrom $84