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 27 per day as of June 2026. The most frequent departure time is 09:00, with 52% of daily flights leaving in the afternoon.

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

Virgin Atlantic, Icelandair, and United Airlines are the most popular carriers operating from London to Washington

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 54% 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.

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 192 per week as of June 2026. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.

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 June 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.

£180 Cheap Flights from London to Washington in 2026

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Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

10:20 - 15:40

LGW

SEA

13h 20m

1 stop

18:05 - 18:50

SEA

LGW

16h 45m

1 stop

£460Condor

Tue, 22 Sep - Tue, 6 Oct

09:50 - 11:35

LHR

SEA

9h 45mdirect

21:05 - 17:30

SEA

LHR

13h 25m

1 stop

£463British Airways

Sat, 24 Oct - Fri, 30 Oct

07:25 - 16:59

LHR

SEA

17h 34m

1 stop

08:00 - 08:05

SEA

LHR

16h 05m

2 stops

£464Multiple Airlines

Tue, 29 Sep - Wed, 7 Oct

15:40 - 17:55

LGW

SEA

34h 15m

1 stop

15:40 - 14:40

SEA

LGW

15h 00m

1 stop

£470Icelandair

Sun, 4 Oct - Fri, 9 Oct

15:40 - 17:55

LGW

SEA

34h 15m

1 stop

15:40 - 14:40

SEA

LGW

15h 00m

1 stop

£480Icelandair

Sun, 4 Oct - Fri, 9 Oct

20:15 - 16:38

LCY

SEA

28h 23m

2 stops

09:53 - 09:30

SEA

LCY

15h 37m

2 stops

£497Virgin Atlantic

Sun, 26 Jul - Fri, 7 Aug

09:20 - 16:35

LCY

SEA

15h 15m

1 stop

13:45 - 09:30

SEA

LCY

11h 45m

1 stop

£530KLM

Wed, 23 Sep - Wed, 14 Oct

10:00 - 22:10

LCY

SEA

20h 10m

2 stops

17:45 - 16:40

SEA

LCY

14h 55m

1 stop

£533Virgin Atlantic

Sat, 26 Sep - Thu, 22 Oct

09:20 - 16:20

LCY

SEA

15h 00m

1 stop

13:45 - 09:30

SEA

LCY

11h 45m

1 stop

£534KLM

Sat, 11 Jul - Fri, 16 Oct

14:45 - 19:41

LHR

PDX

12h 56m

1 stop

21:30 - 12:20

PDX

LHR

30h 50m

1 stop

£717Alaska Airlines

Sun, 1 Nov - Sun, 15 Nov

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Lufthansa flights from London to State of Washington

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

Lufthansa

4 Sept

LHR20:25London Heathrow

23h 30m

2 stops

SEA11:55Seattle/Tacoma Intl

7 Sept

SEA07:00Seattle/Tacoma Intl

17h 30m

1 stop

LHR08:30London Heathrow

£487

Lufthansa

4 Sept

LHR20:25London Heathrow

23h 30m

2 stops

SEA11:55Seattle/Tacoma Intl

7 Sept

SEA07:00Seattle/Tacoma Intl

17h 30m

1 stop

LHR08:30London Heathrow

£488

Lufthansa

13 Aug

LHR09:00London Heathrow

15h 59m

1 stop

SEA16:59Seattle/Tacoma Intl

21 Aug

SEA07:00Seattle/Tacoma Intl

20h 55m

1 stop

LHR11:55London Heathrow

£491

United Airlines flights from London to State of Washington

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

United Airlines

3 Oct

LHR07:25London Heathrow

17h 34m

1 stop

SEA16:59Seattle/Tacoma Intl

6 Oct

SEA12:43Seattle/Tacoma Intl

12h 57m

1 stop

LHR09:40London Heathrow

£473

United Airlines

9 Jul

LHR09:00London Heathrow

15h 59m

1 stop

SEA16:59Seattle/Tacoma Intl

1 Aug

SEA23:00Seattle/Tacoma Intl

14h 20m

1 stop

LHR21:20London Heathrow

£475

United Airlines

9 Jul

LHR09:00London Heathrow

15h 59m

1 stop

SEA16:59Seattle/Tacoma Intl

30 Jul

SEA15:40Seattle/Tacoma Intl

12h 45m

1 stop

LHR12:25London Heathrow

£476

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 22/9

10:20-15:40

1 stop13h 20m

Seattle/Tacoma Intl

Tue 6/10

18:05-18:50

1 stop16h 45m

£460

Fastest return journey

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 24/10

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Fri 30/10

21:05-17:30

1 stop13h 25m

£463

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 29/9

07:25-16:59

1 stop17h 34m

Seattle/Tacoma Intl

Wed 7/10

08:00-08:05

2 stops16h 05m

£464

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sun 4/10

15:40-17:55

1 stop34h 15m

Seattle/Tacoma Intl

Fri 9/10

15:40-14:40

1 stop15h 00m

£470

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sun 4/10

15:40-17:55

1 stop34h 15m

Seattle/Tacoma Intl

Fri 9/10

15:40-14:40

1 stop15h 00m

£480

LondonSeattle

LCY - SEA

LCYSEA

London City

Sun 26/7

20:15-16:38

2 stops28h 23m

Seattle/Tacoma Intl

Fri 7/8

09:53-09:30

2 stops15h 37m

£497

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 23/9

09:20-16:35

1 stop15h 15m

Seattle/Tacoma Intl

Wed 14/10

13:45-09:30

1 stop11h 45m

£530

LondonSeattle

LCY - SEA

LCYSEA

London City

Sat 26/9

10:00-22:10

2 stops20h 10m

Seattle/Tacoma Intl

Thu 22/10

17:45-16:40

1 stop14h 55m

£533

LondonSeattle

LCY - SEA

LCYSEA

London City

Sat 11/7

09:20-16:20

1 stop15h 00m

Seattle/Tacoma Intl

Fri 16/10

13:45-09:30

1 stop11h 45m

£534

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sun 1/11

14:45-19:41

1 stop12h 56m

Portland

Sun 15/11

21:30-12:20

1 stop30h 50m

£717

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 £301.

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 £612. 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 £694.

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 £618 when looking at flights departing at midday. In contrast, the most expensive time of day to depart to State of Washington is in the morning when prices are around £646.

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 £597 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 £557 on momondo.

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

There are 4 cabin classes available to choose from on London 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 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	£532
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 £532. The best return flight deal from London to State of Washington found on momondo in the last 72 hours is £543.

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 June 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 Airbus A330-900neo, representing 22.61% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 20.09%, Boeing 787-9 Dreamliner at 19.91%, and Boeing 777-300ER at 15.83%.

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 £340	Free Cancellation	Rating 6.8 8,108 reviews	Search Lufthansa flights
Icelandair	PriceFrom £348	Free Cancellation	Rating 7.0 692 reviews	Search Icelandair flights
Aer Lingus	PriceFrom £424	Free Cancellation	Rating 7.3 1,631 reviews	Search Aer Lingus flights
Virgin Atlantic	PriceFrom £436	Free Cancellation	Rating 7.5 690 reviews	Search Virgin Atlantic flights
KLM	PriceFrom £444	Free Cancellation	Rating 7.8 1,531 reviews	Search KLM flights
Delta	PriceFrom £448	Free Cancellation	Rating 7.8 8,451 reviews	Search Delta flights
Air France	PriceFrom £458	Free Cancellation	Rating 7.5 1,614 reviews	Search Air France flights
British Airways	PriceFrom £467	Free Cancellation	Rating 6.7 8,080 reviews	Search British Airways flights
United Airlines	PriceFrom £474	Free Cancellation	Rating 7.4 9,896 reviews	Search United Airlines flights
Finnair	PriceFrom £482	Free Cancellation	Rating 7.6 1,415 reviews	Search Finnair 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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Flights to Dallasfrom £445

Flights to Houstonfrom £178

Cheap flights from London to Washington from £201

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 24/10. 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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Lufthansa flights from London to State of Washington

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

United Airlines flights from London to State of Washington

Our best United Airlines 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?

What cabin class options are available on London to State of 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

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

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

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According to popular flight searches on momondo this year

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