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 8 per day as of March 2026. The most frequent departure time is 12:00, with 78% of daily flights leaving in the afternoon.

Which airlines fly to State of Washington?

Virgin Atlantic, British Airways and Icelandair are the top three most popular airlines that fly to State of Washington from London according to our data. Virgin Atlantic is the first choice among our users, with 55% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 15 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 56 per week as of March 2026. The most frequent departure day is Fri, with 43% of weekly flights leaving on this day.

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

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

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

Prices for flights from London to Washington are refreshed on a daily basis.

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

As of March 2026, there are 15 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 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 London to Washington.

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

The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£276 Cheap Flights from London to Washington in 2026

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15:40 - 20:40

LGW

SEA

13h 00m

1 stop

19:00 - 14:40

SEA

LGW

11h 40m

1 stop

£448Icelandair

Mon, 8 Jun - Thu, 11 Jun

08:15 - 17:55

STN

SEA

17h 40m

2 stops

15:40 - 16:30

SEA

STN

16h 50m

2 stops

£450Multiple Airlines

Thu, 23 Apr - Wed, 6 May

08:15 - 17:55

STN

SEA

17h 40m

2 stops

15:40 - 16:30

SEA

STN

16h 50m

2 stops

£452Multiple Airlines

Thu, 23 Apr - Wed, 6 May

09:20 - 16:30

LCY

SEA

15h 10m

1 stop

13:55 - 09:30

SEA

LCY

11h 35m

1 stop

£610KLM

Thu, 28 May - Tue, 2 Jun

09:20 - 16:30

LCY

SEA

15h 10m

1 stop

13:45 - 09:30

SEA

LCY

11h 45m

1 stop

£611KLM

Thu, 9 Apr - Wed, 22 Apr

19:00 - 16:30

LCY

SEA

29h 30m

1 stop

17:35 - 17:20

SEA

LCY

15h 45m

1 stop

£616Virgin Atlantic

Mon, 13 Apr - Sun, 26 Apr

10:35 - 12:15

LHR

PSC

33h 40m

1 stop

14:00 - 09:40

PSC

LHR

35h 40m

2 stops

£667United Airlines

Wed, 23 Sep - Sun, 27 Sep

15:30 - 20:53

LHR

PSC

37h 23m

2 stops

05:00 - 20:40

PSC

LHR

31h 40m

2 stops

£679United Airlines

Sun, 10 May - Sun, 17 May

09:15 - 18:30

LCY

PDX

17h 15m

2 stops

07:00 - 08:40

PDX

LCY

17h 40m

2 stops

£712Lufthansa

Tue, 14 Apr - Tue, 21 Apr

19:00 - 11:10

LCY

PDX

24h 10m

1 stop

13:05 - 08:50

PDX

LCY

11h 45m

1 stop

£721Virgin Atlantic

Tue, 21 Apr - Tue, 28 Apr

Icelandair flights from London to State of Washington

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

Icelandair

8 Jun

LGW15:40London Gatwick

13h 00m

1 stop

SEA20:40Seattle/Tacoma Intl

11 Jun

SEA19:00Seattle/Tacoma Intl

11h 40m

1 stop

LGW14:40London Gatwick

£448

Icelandair

3 May

LHR13:05London Heathrow

15h 35m

1 stop

SEA20:40Seattle/Tacoma Intl

8 May

SEA15:40Seattle/Tacoma Intl

12h 15m

1 stop

LHR11:55London Heathrow

£458

Icelandair

16 Apr

LHR13:05London Heathrow

12h 50m

1 stop

SEA17:55Seattle/Tacoma Intl

24 Apr

SEA19:00Seattle/Tacoma Intl

17h 20m

1 stop

LHR20:20London Heathrow

£482

Delta flights from London to State of Washington

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

Delta

9 Apr

LHR06:30London Heathrow

13h 15m

1 stop

SEA11:45Seattle/Tacoma Intl

23 Apr

SEA21:45Seattle/Tacoma Intl

9h 50m

LHR15:35London Heathrow

£605

Delta

9 Apr

LHR11:45London Heathrow

17h 05m

2 stops

SEA20:50Seattle/Tacoma Intl

15 Apr

SEA08:20Seattle/Tacoma Intl

20h 45m

1 stop

LHR13:05London Heathrow

£606

Delta

9 Apr

LHR09:55London Heathrow

14h 35m

1 stop

SEA16:30Seattle/Tacoma Intl

22 Apr

SEA18:20Seattle/Tacoma Intl

9h 50m

LHR12:10London Heathrow

£616

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 8/6

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Thu 11/6

19:00-14:40

1 stop11h 40m

£448

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 23/4

08:15-17:55

2 stops17h 40m

Seattle/Tacoma Intl

Wed 6/5

15:40-16:30

2 stops16h 50m

£450

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 23/4

08:15-17:55

2 stops17h 40m

Seattle/Tacoma Intl

Wed 6/5

15:40-16:30

2 stops16h 50m

£452

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 28/5

09:20-16:30

1 stop15h 10m

Seattle/Tacoma Intl

Tue 2/6

13:55-09:30

1 stop11h 35m

£610

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 9/4

09:20-16:30

1 stop15h 10m

Seattle/Tacoma Intl

Wed 22/4

13:45-09:30

1 stop11h 45m

£611

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 13/4

19:00-16:30

1 stop29h 30m

Seattle/Tacoma Intl

Sun 26/4

17:35-17:20

1 stop15h 45m

£616

LondonPasco

LHR - PSC

LHRPSC

London Heathrow

Wed 23/9

10:35-12:15

1 stop33h 40m

Pasco Tri Cities

Sun 27/9

14:00-09:40

2 stops35h 40m

£667

LondonPasco

LHR - PSC

LHRPSC

London Heathrow

Sun 10/5

15:30-20:53

2 stops37h 23m

Pasco Tri Cities

Sun 17/5

05:00-20:40

2 stops31h 40m

£679

LondonPortland

LCY - PDX

LCYPDX

London City

Tue 14/4

09:15-18:30

2 stops17h 15m

Portland

Tue 21/4

07:00-08:40

2 stops17h 40m

£712

LondonPortland

LCY - PDX

LCYPDX

London City

Tue 21/4

19:00-11:10

1 stop24h 10m

Portland

Tue 28/4

13:05-08:50

1 stop11h 45m

£721

Flights are sorted by cheapest return flights first.

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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

Airlines

Other information

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

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 £500.

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. Travellers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as £596. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Sunday is £669.

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

Flying to State of Washington from London at midday is the least expensive time of day to depart. momondo users have found prices as low as £620 when looking at flights departing at midday. In contrast, the most expensive time of day to depart to State of Washington is in the afternoon when prices are around £635.

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 £574 when searching weeks before you fly. 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 £537 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 3% 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	£502
Fastest flight time	9h 55m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from London in the past 72 hours is £502. The best return flight deal from London to State of Washington found on momondo in the last 72 hours is £656.

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

Direct flights go from London to State of Washington on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..

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 are refreshed on a daily basis.
How many operators does momondo search for flights from London to Washington?
As of March 2026, there are 15 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 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 London to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to State of Washington?
momondo data reveals that the most frequently booked plane model on the route from London to State of Washington is Boeing 787-10 Dreamliner, representing 22.63% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 19.81%, Airbus A330-900neo at 18.27%, and Boeing 777-300ER at 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
Lufthansa	PriceFrom £336	Free Cancellation	Rating 6.8 7,871 reviews	Search Lufthansa flights
Icelandair	PriceFrom £343	Free Cancellation	Rating 7.0 627 reviews	Search Icelandair flights
Iberia	PriceFrom £408	Free Cancellation	Rating 7.0 3,157 reviews	Search Iberia flights
Aer Lingus	PriceFrom £420	Free Cancellation	Rating 7.2 1,491 reviews	Search Aer Lingus flights
United Airlines	PriceFrom £425	Free Cancellation	Rating 7.4 9,500 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom £429	Free Cancellation	Rating 7.5 685 reviews	Search Virgin Atlantic flights
KLM	PriceFrom £444	Free Cancellation	Rating 7.8 1,477 reviews	Search KLM flights
British Airways	PriceFrom £452	Free Cancellation	Rating 6.7 7,825 reviews	Search British Airways flights
Air France	PriceFrom £453	Free Cancellation	Rating 7.4 1,553 reviews	Search Air France flights
Air Canada	PriceFrom £466	Free Cancellation	Rating 7.1 10,853 reviews	Search Air Canada flights

Why use momondo?

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

Finding the right flight to Washington from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

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

Flights from London to Washington with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Washington.

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

Yes momondo offers price alerts on flights to Washington from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your State of Washington trip

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Cheap flights from London to Washington from £276

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 11/5. 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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Icelandair flights from London to State of Washington

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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?

Which 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, organise 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

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