How long is the flight from United Kingdom to State of Washington?

If you’re flying from a popular airport in United Kingdom, such as London or Manchester, and flying into State of Washington, then you can expect flight times to average 11h 22m and 12h 45m, respectively.

What airlines fly to State of Washington?

British Airways, Delta and Virgin Atlantic are the top three most popular airlines that fly to State of Washington from United Kingdom according to our data. British Airways is the first choice among our users, with 43% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 6 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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?

There are 7 operators available for flights from United Kingdom to Washington as of August 2025.

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.

$358 Cheap Flights from the United Kingdom to Washington in 2025

Q: How many flights depart from United Kingdom to State of Washington on average per day?

The number of flights available between United Kingdom and State of Washington is 25 per day as of August 2025. The most frequent departure time is 4:00PM, with 68% of daily flights leaving in the afternoon.

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Find the cheapest flights from the United Kingdom to Washington

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Direct

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

3:40 pm - 5:50 pmLGW-SEA

34h 10m1 stop

3:45 pm - 2:40 pmSEA-LGW

14h 55m1 stop

$536Icelandair

Find Deal

Wed, Sep 24 - Wed, Oct 1

3:40 pm - 8:40 pmLGW-SEA

13h 00m1 stop

7:00 pm - 2:40 pmSEA-LGW

11h 40m1 stop

$538Icelandair

Find Deal

Thu, Oct 2 - Thu, Oct 9

10:00 am - 4:05 pmLCY-SEA

14h 05m1 stop

2:10 pm - 6:30 pmSEA-LCY

20h 20m1 stop

$702Virgin Atlantic

Find Deal

Mon, Oct 13 - Thu, Oct 23

8:05 pm - 11:50 amLCY-SEA

23h 45m1 stop

3:00 pm - 5:20 pmSEA-LCY

18h 20m1 stop

$706Virgin Atlantic

Find Deal

Mon, Nov 10 - Mon, Nov 24

7:45 am - 4:05 pmLCY-SEA

16h 20m1 stop

5:40 pm - 4:40 pmSEA-LCY

15h 00m1 stop

$713Delta

Find Deal

Mon, Sep 1 - Wed, Sep 10

3:40 pm - 5:35 pmLHR-PDX

9h 55mnonstop

2:06 pm - 12:45 pmPDX-LHR

14h 39m1 stop

$723British Airways

Find Deal

Tue, Sep 2 - Tue, Sep 9

3:40 pm - 5:35 pmLHR-PDX

9h 55mnonstop

7:25 pm - 1:00 pmPDX-LHR

9h 35mnonstop

$725British Airways

Find Deal

Tue, Sep 2 - Tue, Sep 16

9:20 am - 3:55 pmLCY-SEA

14h 35m1 stop

5:40 pm - 4:40 pmSEA-LCY

15h 00m1 stop

$736Delta

Find Deal

Mon, Aug 18 - Mon, Aug 25

3:40 pm - 5:35 pmLHR-PDX

9h 55mnonstop

7:25 pm - 1:00 pmPDX-LHR

9h 35mnonstop

$740American Airlines

Find Deal

Mon, Aug 25 - Tue, Sep 9

3:40 pm - 5:35 pmLHR-PDX

9h 55mnonstop

7:25 pm - 1:00 pmPDX-LHR

9h 35mnonstop

$741American Airlines

Find Deal

Tue, Sep 2 - Tue, Sep 9

SWISS flights from United Kingdom to State of Washington

Our best SWISS deals on United Kingdom to State of Washington flight tickets

SWISS

Sep 12

LGW6:40 pmLondon Gatwick

28h 10m

1 stop

SEA2:50 pmSeattle/Tacoma Intl

Sep 23

SEA1:05 pmSeattle/Tacoma Intl

20h 45m

2 stops

LGW5:50 pmLondon Gatwick

$621

Find similar

SWISS

Sep 13

LCY9:20 amLondon City

13h 30m

1 stop

SEA2:50 pmSeattle/Tacoma Intl

Sep 22

SEA2:29 pmSeattle/Tacoma Intl

20h 16m

2 stops

LCY6:45 pmLondon City

$649

Find similar

SWISS

Sep 16

LCY9:25 amLondon City

17h 11m

2 stops

SEA6:36 pmSeattle/Tacoma Intl

Sep 30

SEA3:28 pmSeattle/Tacoma Intl

18h 02m

2 stops

LCY5:30 pmLondon City

$651

Find similar

Icelandair flights from United Kingdom to State of Washington

Our best Icelandair deals on United Kingdom to State of Washington flight tickets

Icelandair

Sep 24

LGW3:40 pmLondon Gatwick

34h 10m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Oct 1

SEA3:45 pmSeattle/Tacoma Intl

14h 55m

1 stop

LGW2:40 pmLondon Gatwick

$536

Find similar

Icelandair

Oct 2

LGW3:40 pmLondon Gatwick

13h 00m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Oct 9

SEA7:00 pmSeattle/Tacoma Intl

11h 40m

1 stop

LGW2:40 pmLondon Gatwick

$538

Find similar

Icelandair

Sep 1

LGW3:40 pmLondon Gatwick

34h 10m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Sep 30

SEA3:45 pmSeattle/Tacoma Intl

14h 55m

1 stop

LGW2:40 pmLondon Gatwick

$540

Find similar

momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 9/24

3:40 pm-5:50 pm

1 stop34h 10m

Seattle/Tacoma Intl

Wed 10/1

3:45 pm-2:40 pm

1 stop14h 55m

$536

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 10/2

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Thu 10/9

7:00 pm-2:40 pm

1 stop11h 40m

$538

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 10/13

10:00 am-4:05 pm

1 stop14h 05m

Seattle/Tacoma Intl

Thu 10/23

2:10 pm-6:30 pm

1 stop20h 20m

$702

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 11/10

8:05 pm-11:50 am

1 stop23h 45m

Seattle/Tacoma Intl

Mon 11/24

3:00 pm-5:20 pm

1 stop18h 20m

$706

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 9/1

7:45 am-4:05 pm

1 stop16h 20m

Seattle/Tacoma Intl

Wed 9/10

5:40 pm-4:40 pm

1 stop15h 00m

$713

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 9/2

3:40 pm-5:35 pm

Nonstop9h 55m

Portland

Tue 9/9

2:06 pm-12:45 pm

1 stop14h 39m

$723

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 9/2

3:40 pm-5:35 pm

Nonstop9h 55m

Portland

Tue 9/16

7:25 pm-1:00 pm

Nonstop9h 35m

$725

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 8/18

9:20 am-3:55 pm

1 stop14h 35m

Seattle/Tacoma Intl

Mon 8/25

5:40 pm-4:40 pm

1 stop15h 00m

$736

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 8/25

3:40 pm-5:35 pm

Nonstop9h 55m

Portland

Tue 9/9

7:25 pm-1:00 pm

Nonstop9h 35m

$740

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 9/2

3:40 pm-5:35 pm

Nonstop9h 55m

Portland

Tue 9/9

7:25 pm-1:00 pm

Nonstop9h 35m

$741

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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

Prices

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Other information

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

The month of January is, on average, the cheapest month to fly to State of Washington from United Kingdom, with most prices found around $634. If you aren’t able to travel to State of Washington during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $659.

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 Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $788. 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 $1,046.

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 $851. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $943 on average. Flights to State of Washington from United Kingdom in the evening 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 to State of 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 $777 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 $704 on momondo.

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

There are 4 cabin classes available to choose from on United Kingdom to 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?

No. A direct flight is the cheapest option for a flight between United Kingdom to State of Washington.

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	$358
Fastest flight time	9h 55m
Direct flights	Every day
Airports in State of Washington	2 airports

The best one-way flight to State of Washington from United Kingdom in the past 72 hours is $358. The best round-trip flight deal from United Kingdom to State of Washington found on momondo in the last 72 hours is $536.

The fastest flight from United Kingdom to State of Washington takes 9h 55m

Direct flights go from United Kingdom to State of Washington every day.

There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)

Search flight deals

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?
There are 7 operators available for flights from United Kingdom to Washington as of August 2025.
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?
momondo data reveals that the most frequently booked plane model on the route from United Kingdom to State of Washington is Airbus A330-900neo, representing 25.31% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 21.57%, Boeing 777-300ER at 15.37%, and Boeing 787-9 Dreamliner at 13.30%.

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
Icelandair	PriceFrom $402	Free Cancellation	Rating 7.0 524 reviews	Search Icelandair flights
British Airways	PriceFrom $421	Free Cancellation	Rating 6.6 7,237 reviews	Search British Airways flights
Iberia	PriceFrom $575	Free Cancellation	Rating 7.0 2,865 reviews	Search Iberia flights
Virgin Atlantic	PriceFrom $594	Free Cancellation	Rating 7.4 657 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $620	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $632	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta 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.

An easier way to manage your State of Washington trip

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Cheap flights from the United Kingdom to Washington from $358

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Washington departing on 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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Find the cheapest flights from the United Kingdom to Washington

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

Recent one-way flight deals from the United Kingdom to Washington

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SWISS flights from United Kingdom to State of Washington

Our best SWISS deals on United Kingdom to State of Washington flight tickets

Icelandair flights from United Kingdom to State of Washington

Our best Icelandair deals on United Kingdom to State of Washington flight tickets

momondo Fare Finder

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

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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?

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

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

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 to State of Washington?

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

There are 4 cabin classes available to choose from on United Kingdom to 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?

No. A direct flight is the cheapest option for a flight between United Kingdom to State of Washington.

What airlines fly to State of Washington?

How many flights depart from United Kingdom to State of Washington on average per day?

The number of flights available between United Kingdom and State of Washington is 25 per day as of August 2025. The most frequent departure time is 4:00PM, with 68% of daily flights leaving in the afternoon.

How many flights depart from United Kingdom to State of Washington on average per week?

As of August 2025, 177 flights take off from United Kingdom and land in State of Washington each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

How long is the flight from United Kingdom to State of Washington?

If you’re flying from a popular airport in United Kingdom, such as London or Manchester, and flying into State of Washington, then you can expect flight times to average 11h 22m and 12h 45m, respectively.

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

Fastest flight time

Direct flights

Airports in State of Washington

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

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?

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

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

Why use momondo?

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

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

How can momondo help me find flights from United Kingdom to Washington?

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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo