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 London according to our data. British Airways is the first choice among our users, with 42% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 5 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between London and State of Washington is 85 per week as of March 2026. The most frequent departure day is Tue, with 25% of weekly flights leaving on this day.

What is the cheapest airline that flies from London to Washington?

Icelandair, JetBlue, and SWISS are the most popular carriers operating from London to Washington

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

The number of flights available between London and State of Washington is 12 per day as of March 2026. The most frequent departure time is 12:00PM, with 78% of daily flights leaving in the afternoon.

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

Prices for flights from London to Washington refresh daily.

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

As of March 2026, there are 5 operators available to choose from for flights from London to Washington.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Washington.

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

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$357 Cheap Flights from London to Washington in 2026

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 8:40 pm

STN

SEA

22h 10m

2 stops

3:40 pm - 4:50 pm

SEA

STN

17h 10m

2 stops

$602Multiple Airlines

Mi, Apr 22 - So, Apr 26

10:45 am - 8:40 pm

STN

SEA

17h 55m

2 stops

3:40 pm - 12:10 am

SEA

STN

24h 30m

2 stops

$603Multiple Airlines

Di, Apr 21 - Di, Apr 28

3:40 pm - 8:40 pm

LGW

SEA

13h 00m

1 stop

7:00 pm - 2:40 pm

SEA

LGW

11h 40m

1 stop

$611Icelandair

Mi, Jun 10 - So, Jun 21

1:05 pm - 8:40 pm

LHR

SEA

15h 35m

1 stop

3:40 pm - 11:55 am

SEA

LHR

12h 15m

1 stop

$612Icelandair

So, Mai 3 - Fr, Mai 8

6:40 am - 1:45 pm

LHR

SEA

15h 05m

1 stop

3:55 pm - 4:00 pm

SEA

LHR

16h 05m

1 stop

$632Scandinavian Airlines

Fr, Mai 29 - So, Mai 31

7:30 pm - 1:45 pm

LHR

SEA

26h 15m

1 stop

3:55 pm - 9:40 pm

SEA

LHR

21h 45m

1 stop

$634Scandinavian Airlines

Do, Mai 21 - So, Mai 31

9:15 am - 7:20 pm

LCY

SEA

18h 05m

2 stops

2:10 pm - 5:55 pm

SEA

LCY

19h 45m

1 stop

$839Lufthansa

Di, Apr 14 - Di, Apr 21

9:15 am - 6:30 pm

LCY

PDX

17h 15m

2 stops

7:00 am - 8:40 am

PDX

LCY

17h 40m

2 stops

$950Lufthansa

Di, Apr 14 - Di, Apr 21

8:15 pm - 11:10 am

LCY

PDX

22h 55m

1 stop

1:32 pm - 4:40 pm

PDX

LCY

19h 08m

2 stops

$954Virgin Atlantic

Mo, Apr 20 - Mo, Mai 4

9:20 am - 6:52 pm

LCY

PDX

17h 32m

2 stops

3:35 pm - 4:40 pm

PDX

LCY

17h 05m

2 stops

$959Virgin Atlantic

Mo, Apr 20 - Mo, Mai 4

Icelandair flights from London to State of Washington

Our best Icelandair deals on London to State of Washington flight tickets

Icelandair

Jun 10

LGW3:40 pmLondon Gatwick

13h 00m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Jun 21

SEA7:00 pmSeattle/Tacoma Intl

11h 40m

1 stop

LGW2:40 pmLondon Gatwick

$611

Icelandair

May 3

LHR1:05 pmLondon Heathrow

15h 35m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

May 8

SEA3:40 pmSeattle/Tacoma Intl

12h 15m

1 stop

LHR11:55 amLondon Heathrow

$612

Icelandair

Apr 20

LHR9:25 pmLondon Heathrow

31h 15m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Apr 24

SEA3:40 pmSeattle/Tacoma Intl

12h 15m

1 stop

LHR11:55 amLondon Heathrow

$620

United Airlines flights from London to State of Washington

Our best United Airlines deals on London to State of Washington flight tickets

United Airlines

May 23

LHR1:05 pmLondon Heathrow

40h 05m

2 stops

SEA9:10 pmSeattle/Tacoma Intl

May 24

SEA11:20 pmSeattle/Tacoma Intl

23h 35m

1 stop

LHR6:55 amLondon Heathrow

$664

United Airlines

Apr 7

LHR7:45 amLondon Heathrow

19h 15m

2 stops

SEA7:00 pmSeattle/Tacoma Intl

Apr 19

SEA10:55 pmSeattle/Tacoma Intl

13h 45m

1 stop

LHR8:40 pmLondon Heathrow

$930

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mi 4/22

6:30 am-8:40 pm

2 stops22h 10m

Seattle/Tacoma Intl

So 4/26

3:40 pm-4:50 pm

2 stops17h 10m

$602

LondonSeattle

STN - SEA

STNSEA

London Stansted

Di 4/21

10:45 am-8:40 pm

2 stops17h 55m

Seattle/Tacoma Intl

Di 4/28

3:40 pm-12:10 am

2 stops24h 30m

$603

Quickest round-trip

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mi 6/10

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

So 6/21

7:00 pm-2:40 pm

1 stop11h 40m

$611

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

So 5/3

1:05 pm-8:40 pm

1 stop15h 35m

Seattle/Tacoma Intl

Fr 5/8

3:40 pm-11:55 am

1 stop12h 15m

$612

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fr 5/29

6:40 am-1:45 pm

1 stop15h 05m

Seattle/Tacoma Intl

So 5/31

3:55 pm-4:00 pm

1 stop16h 05m

$632

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Do 5/21

7:30 pm-1:45 pm

1 stop26h 15m

Seattle/Tacoma Intl

So 5/31

3:55 pm-9:40 pm

1 stop21h 45m

$634

LondonSeattle

LCY - SEA

LCYSEA

London City

Di 4/14

9:15 am-7:20 pm

2 stops18h 05m

Seattle/Tacoma Intl

Di 4/21

2:10 pm-5:55 pm

1 stop19h 45m

$839

LondonPortland

LCY - PDX

LCYPDX

London City

Di 4/14

9:15 am-6:30 pm

2 stops17h 15m

Portland

Di 4/21

7:00 am-8:40 am

2 stops17h 40m

$950

LondonPortland

LCY - PDX

LCYPDX

London City

Mo 4/20

8:15 pm-11:10 am

1 stop22h 55m

Portland

Mo 5/4

1:32 pm-4:40 pm

2 stops19h 08m

$954

LondonPortland

LCY - PDX

LCYPDX

London City

Mo 4/20

9:20 am-6:52 pm

2 stops17h 32m

Portland

Mo 5/4

3:35 pm-4:40 pm

2 stops17h 05m

$959

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How to get the cheapest flight ticket from London 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 February is, on average, the cheapest month to fly to State of Washington from London, with most prices found around $595. 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 $667.

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

The cheapest day to depart from London 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 $774. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London 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 in the afternoon when flights can be purchased for as low as $825. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $878 on average. Flights to State of Washington from London in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest London to Washington flight route?

Fly from London Heathrow to Seattle/Tacoma Intl for the best London - 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 London when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $766 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 London for as low as $717 on momondo.

What cabin class options are available on London to Washington flights?

There are 4 cabin classes available to choose from on London 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 London to State of Washington flights?

You could potentially save up to 4% on your flight if you consider stops on a London to State of Washington flight.

Cheap London to State of Washington flight deals and tips

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

Best Price Found	$610
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 London in the past 72 hours is $610. The best round-trip flight deal from London to State of Washington found on momondo in the last 72 hours is $911.

The fastest flight from London to State of Washington takes 9h 45m

Direct flights go from London to State of Washington every day.

There are 96 airports in State of Washington. From London there are direct flights to Portland (PDX), Seattle/Tacoma Intl (SEA).

Search flight deals

When did momondo last update prices for flights from London to Washington?
Prices for flights from London to Washington refresh daily.
How many operators does momondo search for flights from London to Washington?
As of March 2026, there are 5 operators available to choose from for flights from London to Washington.
How old do you have to be to fly from London to Washington?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London to State of Washington?
Based on momondo bookings for flights between London and State of Washington, the leading plane model is Boeing 787-10 Dreamliner, making up 22.63% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 19.81%, Airbus A330-900neo with 18.27%, and Boeing 777-300ER with 12.68%.

Best airlines flying from London to State of Washington

Compare and see reviews for airlines that fly from London to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $403	Free Cancellation	Rating 7.0 625 reviews	Search Icelandair flights
Virgin Atlantic	PriceFrom $574	Free Cancellation	Rating 7.5 685 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $594	Free Cancellation	Rating 7.9 8,326 reviews	Search Delta flights
American Airlines	PriceFrom $618	Free Cancellation	Rating 7.1 11,492 reviews	Search American Airlines flights
British Airways	PriceFrom $667	Free Cancellation	Rating 6.7 7,817 reviews	Search British Airways flights

Why use momondo?

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

It is quick and easy to find London to Washington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.

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

momondo does allow users to show only those flights to Washington from London which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for London to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Washington from London 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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Flights to New Yorkfrom $66

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Flights to Dallasfrom $62

Flights to Seattlefrom $104

Cheap flights from London to Washington from $357

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 to Washington departing on 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

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 London to Washington flight route?

How far in advance should I book a flight to State of Washington?

What cabin class options are available on London to Washington flights?

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

What is the cheapest airline that flies from London to Washington?

What airlines fly to State of Washington?

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

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

Cheap London to State of Washington flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in State of Washington

Best airlines flying from London to State of Washington

Compare and see reviews for airlines that fly from London to State of Washington with momondo

Why use momondo?

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

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