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 24 per day as of May 2026. The most frequent departure time is 09:00, with 50% of daily flights leaving in the afternoon.

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

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

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 173 per week as of May 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

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 56% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 14 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 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 May 2026, there are 14 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.

£287 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

£517Icelandair

Tue, 16 Jun - Tue, 7 Jul

21:25 - 11:45

LHR

SEA

22h 20m

1 stop

23:25 - 20:20

SEA

LHR

12h 55m

1 stop

£518Icelandair

Mon, 15 Jun - Mon, 22 Jun

08:25 - 16:39

LCY

SEA

16h 14m

1 stop

17:40 - 16:40

SEA

LCY

15h 00m

1 stop

£595Virgin Atlantic

Thu, 15 Oct - Thu, 22 Oct

08:25 - 16:39

LCY

SEA

16h 14m

1 stop

17:40 - 16:40

SEA

LCY

15h 00m

1 stop

£598Virgin Atlantic

Thu, 15 Oct - Thu, 22 Oct

10:00 - 16:39

LCY

SEA

14h 39m

1 stop

13:45 - 09:30

SEA

LCY

11h 45m

1 stop

£604KLM

Thu, 15 Oct - Wed, 21 Oct

10:00 - 16:39

LCY

SEA

14h 39m

1 stop

13:45 - 09:30

SEA

LCY

11h 45m

1 stop

£605KLM

Thu, 15 Oct - Wed, 21 Oct

06:30 - 19:06

LHR

PDX

20h 36m

2 stops

10:10 - 13:20

PDX

LHR

19h 10m

1 stop

£668Lufthansa

Tue, 15 Sep - Thu, 8 Oct

07:05 - 21:35

LHR

PDX

22h 30m

2 stops

07:00 - 17:40

PDX

LHR

26h 40m

2 stops

£672Scandinavian Airlines

Fri, 11 Sep - Sat, 26 Sep

18:40 - 18:41

LHR

PDX

32h 01m

2 stops

07:00 - 09:35

PDX

LHR

18h 35m

2 stops

£674Scandinavian Airlines

Fri, 4 Sep - Fri, 18 Sep

06:55 - 20:59

LHR

PDX

22h 04m

2 stops

10:35 - 12:35

PDX

LHR

18h 00m

1 stop

£675Lufthansa

Mon, 7 Sep - Wed, 16 Sep

Icelandair flights from London to State of Washington

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

Icelandair

16 Jun

LGW15:40London Gatwick

13h 00m

1 stop

SEA20:40Seattle/Tacoma Intl

10 Jul

SEA19:00Seattle/Tacoma Intl

11h 40m

1 stop

LGW14:40London Gatwick

£517

Icelandair

15 Jun

LHR21:25London Heathrow

22h 20m

1 stop

SEA11:45Seattle/Tacoma Intl

22 Jun

SEA23:25Seattle/Tacoma Intl

12h 55m

1 stop

LHR20:20London Heathrow

£518

Icelandair

19 Jun

LHR21:25London Heathrow

22h 20m

1 stop

SEA11:45Seattle/Tacoma Intl

22 Jun

SEA23:25Seattle/Tacoma Intl

12h 55m

1 stop

LHR20:20London Heathrow

£519

Condor flights from London to State of Washington

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

Condor

22 Sept

LGW10:20London Gatwick

13h 20m

1 stop

SEA15:40Seattle/Tacoma Intl

13 Oct

SEA18:05Seattle/Tacoma Intl

16h 45m

1 stop

LGW18:50London Gatwick

£531

Condor

19 May

LGW10:20London Gatwick

13h 20m

1 stop

SEA15:40Seattle/Tacoma Intl

4 Jun

SEA18:05Seattle/Tacoma Intl

16h 45m

1 stop

LGW18:50London Gatwick

£562

Condor

1 Oct

LGW10:20London Gatwick

13h 40m

1 stop

SEA16:00Seattle/Tacoma Intl

5 Oct

SEA18:10Seattle/Tacoma Intl

16h 40m

1 stop

LGW18:50London Gatwick

£567

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 16/6

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Tue 7/7

19:00-14:40

1 stop11h 40m

£517

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 15/6

21:25-11:45

1 stop22h 20m

Seattle/Tacoma Intl

Mon 22/6

23:25-20:20

1 stop12h 55m

£518

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 15/10

08:25-16:39

1 stop16h 14m

Seattle/Tacoma Intl

Thu 22/10

17:40-16:40

1 stop15h 00m

£595

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 15/10

08:25-16:39

1 stop16h 14m

Seattle/Tacoma Intl

Thu 22/10

17:40-16:40

1 stop15h 00m

£598

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 15/10

10:00-16:39

1 stop14h 39m

Seattle/Tacoma Intl

Wed 21/10

13:45-09:30

1 stop11h 45m

£604

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 15/10

10:00-16:39

1 stop14h 39m

Seattle/Tacoma Intl

Wed 21/10

13:45-09:30

1 stop11h 45m

£605

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Tue 15/9

06:30-19:06

2 stops20h 36m

Portland

Thu 8/10

10:10-13:20

1 stop19h 10m

£668

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 11/9

07:05-21:35

2 stops22h 30m

Portland

Sat 26/9

07:00-17:40

2 stops26h 40m

£672

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Fri 4/9

18:40-18:41

2 stops32h 01m

Portland

Fri 18/9

07:00-09:35

2 stops18h 35m

£674

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 7/9

06:55-20:59

2 stops22h 04m

Portland

Wed 16/9

10:35-12:35

1 stop18h 00m

£675

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 £293.

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 £670.

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 £597 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 £628.

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 from London to 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 £531 on momondo.

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

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

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	£531
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 £531. The best return flight deal from London to State of Washington found on momondo in the last 72 hours is £566.

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

Frequently asked questions about flying 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 May 2026, there are 14 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 21.88% of all bookings. The subsequent popular models are Airbus A330-900neo at 21.27%, Boeing 787-9 Dreamliner at 19.37%, and Boeing 777-300ER at 14.28%.

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 £330	Free Cancellation	Rating 6.8 7,984 reviews	Search Lufthansa flights
Icelandair	PriceFrom £336	Free Cancellation	Rating 7.0 653 reviews	Search Icelandair flights
Aer Lingus	PriceFrom £412	Free Cancellation	Rating 7.3 1,551 reviews	Search Aer Lingus flights
Virgin Atlantic	PriceFrom £421	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
KLM	PriceFrom £431	Free Cancellation	Rating 7.8 1,510 reviews	Search KLM flights
Air France	PriceFrom £444	Free Cancellation	Rating 7.4 1,585 reviews	Search Air France flights
British Airways	PriceFrom £445	Free Cancellation	Rating 6.7 7,954 reviews	Search British Airways flights
Finnair	PriceFrom £455	Free Cancellation	Rating 7.6 1,392 reviews	Search Finnair flights
Air Canada	PriceFrom £457	Free Cancellation	Rating 7.1 11,008 reviews	Search Air Canada flights
United Airlines	PriceFrom £460	Free Cancellation	Rating 7.4 9,693 reviews	Search United Airlines 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 £287

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 19/5. 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

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

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

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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 from London to Washington?

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

Frequently asked questions about flying from London to 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

Popular Cities in Washington

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