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Cheap flights from the United Kingdom to Washington from $423

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United Kingdom to Washington

Recent round-trip flight deals from the United Kingdom to Washington

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 am - 6:52 pmLHR  London Heathrow-SEA Seattle/Tacoma Intl
17h 22m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
Multiple Airlines Logo
10:50 am - 11:50 amSEA  Seattle/Tacoma Intl-LHR London Heathrow
17h 00m2 stops Vancouver Intl Toronto Pearson Intl
$599Multiple Airlines
Sat, Oct 3 - Thu, Oct 8
Multiple Airlines Logo
12:05 pm - 11:26 pmLHR  London Heathrow-SEA Seattle/Tacoma Intl
19h 21m2 stops Toronto Pearson Intl San Francisco
Multiple Airlines Logo
5:50 am - 6:30 amSEA  Seattle/Tacoma Intl-LHR London Heathrow
16h 40m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$599Multiple Airlines
Mon, Sep 21 - Tue, Sep 29
Delta Logo
8:25 am - 4:35 pmLCY  London City-SEA Seattle/Tacoma Intl
16h 10m1 stop Amsterdam Schiphol
Delta Logo
5:45 pm - 4:40 pmSEA  Seattle/Tacoma Intl-LCY London City
14h 55m1 stop Amsterdam Schiphol
$603Delta
Fri, Oct 2 - Mon, Oct 5
Alaska Airlines Logo
2:45 pm - 4:50 pmLHR  London Heathrow-SEA Seattle/Tacoma Intl
10h 05mnonstop
Alaska Airlines Logo
6:55 pm - 12:20 pmSEA  Seattle/Tacoma Intl-LHR London Heathrow
9h 25mnonstop
$604Alaska Airlines
Mon, Dec 21 - Sun, Dec 27
Virgin Atlantic Logo
7:45 am - 11:00 pmLCY  London City-SEA Seattle/Tacoma Intl
23h 15m2 stops Amsterdam Schiphol New York John F Kennedy Intl
Virgin Atlantic Logo
2:35 pm - 4:35 pmSEA  Seattle/Tacoma Intl-LCY London City
18h 00m1 stop Amsterdam Schiphol
$608Virgin Atlantic
Mon, Nov 23 - Wed, Dec 2
Icelandair Logo
11:55 am - 5:00 pmMAN  Manchester-SEA Seattle/Tacoma Intl
13h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:35 pm - 10:45 amSEA  Seattle/Tacoma Intl-MAN Manchester
12h 10m1 stop Reykjavik Keflavik Intl
$608Icelandair
Tue, Jan 12 - Tue, Jan 19
Delta Logo
8:40 am - 10:00 pmLCY  London City-SEA Seattle/Tacoma Intl
21h 20m2 stops Amsterdam Schiphol Las Vegas Harry Reid Intl
Delta Logo
6:05 am - 1:15 pmSEA  Seattle/Tacoma Intl-LCY London City
23h 10m2 stops Minneapolis St Paul Amsterdam Schiphol
$610Delta
Thu, Dec 17 - Sat, Jan 9
Virgin Atlantic Logo
8:05 pm - 11:47 amLCY  London City-SEA Seattle/Tacoma Intl
23h 42m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
6:05 am - 9:30 amSEA  Seattle/Tacoma Intl-LCY London City
19h 25m2 stops Minneapolis St Paul Amsterdam Schiphol
$612Virgin Atlantic
Mon, Feb 1 - Sun, Feb 14
Icelandair Logo
11:55 am - 5:00 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:35 pm - 10:55 amSEA  Seattle/Tacoma Intl-LGW London Gatwick
12h 20m1 stop Reykjavik Keflavik Intl
$612Icelandair
Fri, Nov 6 - Tue, Nov 17
Alaska Airlines Logo
2:45 pm - 4:50 pmLHR  London Heathrow-SEA Seattle/Tacoma Intl
10h 05mnonstop
Alaska Airlines Logo
6:55 pm - 12:20 pmSEA  Seattle/Tacoma Intl-LHR London Heathrow
9h 25mnonstop
$626Alaska Airlines
Fri, Dec 18 - Sun, Dec 27

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KLM flights from United Kingdom to State of Washington

Our best KLM deals on United Kingdom to State of Washington flight tickets
KLM
Sep 21
LCY9:20 amLondon City
15h 15m
1 stop
SEA4:35 pmSeattle/Tacoma Intl
Oct 4
SEA1:45 pmSeattle/Tacoma Intl
11h 45m
1 stop
LCY9:30 amLondon City
$603
KLM
Sep 25
LCY8:25 amLondon City
16h 10m
1 stop
SEA4:35 pmSeattle/Tacoma Intl
Sep 28
SEA1:50 pmSeattle/Tacoma Intl
11h 40m
1 stop
LCY9:30 amLondon City
$664
KLM
Sep 15
LCY7:00 pmLondon City
29h 35m
1 stop
SEA4:35 pmSeattle/Tacoma Intl
Sep 22
SEA1:50 pmSeattle/Tacoma Intl
20h 40m
1 stop
LCY6:30 pmLondon City
$665

United Airlines flights from United Kingdom to State of Washington

Our best United Airlines deals on United Kingdom to State of Washington flight tickets
United Airlines
Dec 21
LHR11:05 amLondon Heathrow
41h 57m
2 stops
SEA9:02 pmSeattle/Tacoma Intl
Jan 8
SEA9:02 amSeattle/Tacoma Intl
16h 38m
2 stops
LHR9:40 amLondon Heathrow
$652
United Airlines
Dec 23
LHR11:05 amLondon Heathrow
40h 01m
2 stops
SEA7:06 pmSeattle/Tacoma Intl
Jan 2
SEA7:10 pmSeattle/Tacoma Intl
29h 20m
2 stops
LHR8:30 amLondon Heathrow
$660
United Airlines
Dec 20
LHR12:05 pmLondon Heathrow
29h 44m
2 stops
SEA9:49 amSeattle/Tacoma Intl
Jan 5
SEA10:45 pmSeattle/Tacoma Intl
25h 40m
1 stop
LHR8:25 amLondon Heathrow
$669

momondo Fare Finder

 
Use the filters below to find and compare flights from the United Kingdom to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sat 10/3

9:30 am-6:52 pm

2 stops17h 22m

Seattle/Tacoma Intl

Thu 10/8

10:50 am-11:50 am

2 stops17h 00m

$599

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Mon 9/21

12:05 pm-11:26 pm

2 stops19h 21m

Seattle/Tacoma Intl

Tue 9/29

5:50 am-6:30 am

2 stops16h 40m

$599

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Fri 10/2

8:25 am-4:35 pm

1 stop16h 10m

Seattle/Tacoma Intl

Mon 10/5

5:45 pm-4:40 pm

1 stop14h 55m

$603
Quickest round-trip

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Mon 12/21

2:45 pm-4:50 pm

Nonstop10h 05m

Seattle/Tacoma Intl

Sun 12/27

6:55 pm-12:20 pm

Nonstop9h 25m

$604

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Mon 11/23

7:45 am-11:00 pm

2 stops23h 15m

Seattle/Tacoma Intl

Wed 12/2

2:35 pm-4:35 pm

1 stop18h 00m

$608

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Tue 1/12

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Tue 1/19

2:35 pm-10:45 am

1 stop12h 10m

$608

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Thu 12/17

8:40 am-10:00 pm

2 stops21h 20m

Seattle/Tacoma Intl

Sat 1/9

6:05 am-1:15 pm

2 stops23h 10m

$610

LondonSeattle

LCY London City - SEA Seattle/Tacoma Intl

LCYSEA

London City

Mon 2/1

8:05 pm-11:47 am

1 stop23h 42m

Seattle/Tacoma Intl

Sun 2/14

6:05 am-9:30 am

2 stops19h 25m

$612

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Fri 11/6

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Tue 11/17

2:35 pm-10:55 am

1 stop12h 20m

$612

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Fri 12/18

2:45 pm-4:50 pm

Nonstop10h 05m

Seattle/Tacoma Intl

Sun 12/27

6:55 pm-12:20 pm

Nonstop9h 25m

$626

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from United Kingdom 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 February is, on average, the cheapest month to fly to State of Washington from United Kingdom, with most prices found around $679. If you aren’t able to travel to State of Washington during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $713.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from United Kingdom to State of Washington is on a Monday. Travelers who choose to depart for State of Washington on a Monday will often find tickets for as low as $848. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from United Kingdom to State of Washington for around $925.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $807. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $911 on average. Flights to State of Washington from United Kingdom in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest United Kingdom to Washington flight route?

Fly from London Heathrow to Seattle/Tacoma Intl for the best United Kingdom - Washington flight prices

How far in advance should I book a flight from the United Kingdom to Washington?

You are more likely to see cheaper flights to State of Washington from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $795 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from United Kingdom for as low as $714 on momondo.

What cabin class options are available on United Kingdom to State of Washington flights?

There are 3 cabin classes available to choose from on United Kingdom to State of Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to State of Washington flights?

You could potentially save up to 9% on your flight if you consider stops on a United Kingdom to State of Washington flight.

Cheap United Kingdom to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to State of Washington

Best Price Found

$423

Fastest flight time

9h 45m

Direct flights

Every day

Airports in State of Washington

96 airports
The best one-way flight to State of Washington from United Kingdom in the past 72 hours is $423. The best round-trip flight deal from United Kingdom to State of Washington found on momondo in the last 72 hours is $599.
The fastest flight from United Kingdom to State of Washington takes 9h 45m
Direct flights go from United Kingdom to State of Washington every day.
There are 96 airports in State of Washington. From United Kingdom there are direct flights to Portland (PDX), Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from the United Kingdom to Washington

  • When did momondo last update prices for flights from United Kingdom to Washington?

    Prices for flights from United Kingdom to Washington are updated daily.

  • How many operators does momondo search for flights from United Kingdom to Washington?

  • How old do you have to be to fly from United Kingdom to Washington?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United Kingdom 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.

  • What is the most popular plane model from United Kingdom to State of Washington?

Best airlines flying from United Kingdom to State of Washington

Compare and see reviews for airlines that fly from United Kingdom to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $393Free CancellationRating
7.3
1,755 reviews
Search Aer Lingus flights
KLMPriceFrom $485Free CancellationRating
7.8
1,576 reviews
Search KLM flights
IcelandairPriceFrom $534Free CancellationRating
6.9
741 reviews
Search Icelandair flights
DeltaPriceFrom $584Free CancellationRating
7.8
8,553 reviews
Search Delta flights
American AirlinesPriceFrom $618Free CancellationRating
7.1
12,045 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom $665Free CancellationRating
7.4
694 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $714Free CancellationRating
6.7
8,210 reviews
Search British Airways flights
Alaska AirlinesPriceFrom $759Free CancellationRating
7.9
12,904 reviews
Search Alaska Airlines flights
Air FrancePriceFrom $780Free CancellationRating
7.5
1,651 reviews
Search Air France flights
Scandinavian AirlinesPriceFrom $981Free CancellationRating
7.4
1,984 reviews
Search Scandinavian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom 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 United Kingdom to Washington for you.

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

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

How can momondo help me find flights from United Kingdom 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 United Kingdom.

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

Price alerts on flights to Washington from United Kingdom are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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