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Cheap flights from London to Washington from $253

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 4/30. 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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Find the cheapest flights from London to Washington

Cheap round-trip flights

These are some of the best round-trip flight deals from London to Washington that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to Washington.

Cheap last minute flights

Planning a quick getaway from London to Washington? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London to Washington

Find recent round-trip train or bus tickets from London to Washington.

All round-trip flight deals from London to Washington

The cheapest plane tickets from London to Washington found on KAYAK recently.
11:55 am - 6:00 pmLGW-SEA
13h 05m1 stop
3:35 pm - 10:55 amSEA-LGW
12h 20m1 stop
$386Icelandair
Find Deal
Thu, Mar 13 - Mon, Mar 24
11:55 am - 6:00 pmLGW-SEA
13h 05m1 stop
3:35 pm - 10:55 amSEA-LGW
12h 20m1 stop
$389Icelandair
Find Deal
Thu, Mar 13 - Mon, Mar 24
6:20 am - 11:51 amLHR-SEA
13h 31m1 stop
6:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$516Virgin Atlantic
Find Deal
Mon, Mar 3 - Mon, Mar 17
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$518Virgin Atlantic
Find Deal
Tue, Feb 4 - Tue, Feb 11
6:30 am - 11:46 amLHR-SEA
13h 16m1 stop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$528Delta
Find Deal
Mon, Feb 3 - Mon, Feb 10
6:30 am - 4:00 pmLHR-SEA
17h 30m1 stop
5:35 pm - 11:25 amSEA-LHR
9h 50mnonstop
$533Delta
Find Deal
Tue, Apr 22 - Mon, May 5
12:30 pm - 11:06 amLGW-SEA
30h 36m2 stops
11:59 pm - 7:30 amSEA-LGW
24h 31m2 stops
$537American Airlines
Find Deal
Wed, Mar 5 - Tue, Mar 25
10:20 am - 4:00 pmLHR-SEA
13h 40m1 stop
1:56 pm - 12:00 pmSEA-LHR
14h 04m1 stop
$567American Airlines
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Sat, May 3 - Mon, Dec 8
3:00 pm - 5:55 pmLHR-SEA
9h 55mnonstop
8:20 pm - 1:40 pmSEA-LHR
9h 20mnonstop
$585British Airways
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Thu, Mar 27 - Sat, Apr 5
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$589British Airways
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Sat, Feb 22 - Sun, Mar 2
9:05 am - 1:07 pmSTN-PDX
36h 02m2 stops
Wed, Apr 30
9:55 am - 1:08 pmLTN-SEA
35h 13m2 stops
Sun, Apr 27
11:55 am - 5:00 pmLGW-SEA
13h 05m1 stop
$439Icelandair
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Thu, Mar 6
11:55 am - 5:00 pmLGW-SEA
13h 05m1 stop
$448Icelandair
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Wed, Mar 5
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
$571British Airways
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Sat, Feb 1
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
$572British Airways
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Tue, Mar 4
6:20 am - 6:46 pmLHR-PDX
19h 26m2 stops
$609Virgin Atlantic
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Wed, Mar 26
3:50 pm - 8:50 pmLHR-PDX
13h 00m1 stop
$741Virgin Atlantic
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Wed, Feb 19
9:20 am - 8:35 pmLCY-SEA
19h 15m2 stops
$1,476Delta
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Tue, Apr 22
7:45 am - 8:38 pmLCY-SEA
20h 53m2 stops
$1,582Delta
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Tue, Apr 1
11:55 am - 5:00 pmLGW-SEA
13h 05m1 stop
2:35 pm - 10:55 amSEA-LGW
12h 20m1 stop
$713Icelandair
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Thu, Jan 23 - Mon, Jan 27
12:15 pm - 5:00 pmLHR-SEA
12h 45m1 stop
2:35 pm - 10:50 amSEA-LHR
12h 15m1 stop
$717Icelandair
Find Deal
Thu, Jan 23 - Mon, Jan 27
3:50 pm - 6:20 pmLHR-SEA
10h 30mnonstop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$825Virgin Atlantic
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Sun, Jan 26 - Sun, Feb 9
3:50 pm - 6:20 pmLHR-SEA
10h 30mnonstop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$844Virgin Atlantic
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Sun, Jan 26 - Sun, Feb 2
6:30 am - 11:51 amLHR-SEA
13h 21m1 stop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$1,028Delta
Find Deal
Thu, Jan 23 - Mon, Jan 27
6:30 am - 11:51 amLHR-SEA
13h 21m1 stop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$1,071Delta
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Sat, Jan 25 - Sat, Feb 1
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
3:45 pm - 1:20 pmPDX-LHR
13h 35m1 stop
$10,729American Airlines
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Fri, Jan 24 - Sat, Feb 1
2:20 pm - 4:35 pmLHR-PDX
10h 15mnonstop
3:37 pm - 3:25 pmPDX-LHR
15h 48m1 stop
$10,972American Airlines
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Fri, Jan 24 - Thu, Jan 30
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$12,260British Airways
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Sat, Jan 25 - Wed, Feb 12
10:40 am - 9:21 pmLHR-SEA
18h 41m1 stop
7:14 am - 6:20 amSEA-LHR
15h 06m1 stop
$12,739British Airways
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Wed, Jan 22 - Mon, Jan 27
3:50 pm - 6:11 pmLHR-SEA
10h 21mnonstop
7:05 pm - 12:40 pmSEA-LHR
9h 35mnonstop
$503KLM
Find Deal
Wed, Feb 19 - Wed, Feb 26
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$507KLM
Find Deal
Tue, Feb 18 - Tue, Feb 25
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
6:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$509Virgin Atlantic
Find Deal
Wed, Mar 5 - Tue, Mar 25
1:15 pm - 4:15 pmLHR-SEA
10h 00mnonstop
6:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$512Virgin Atlantic
Find Deal
Tue, Mar 18 - Wed, Mar 26
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$525British Airways
Find Deal
Wed, Feb 12 - Wed, Feb 19
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
1:35 pm - 7:00 amSEA-LHR
9h 25mnonstop
$529British Airways
Find Deal
Tue, Feb 4 - Tue, Feb 11
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$534Delta
Find Deal
Tue, Feb 4 - Mon, Feb 10
5:00 pm - 7:35 pmLHR-SEA
10h 35mnonstop
5:35 pm - 11:25 amSEA-LHR
9h 50mnonstop
$536Delta
Find Deal
Tue, Apr 22 - Thu, May 8
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
7:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$591American Airlines
Find Deal
Sat, Feb 22 - Mon, Mar 17
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
7:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$628American Airlines
Find Deal
Sat, Feb 22 - Sat, Mar 15

American Airlines flights from London to State of Washington

Our best American Airlines deals on London to State of Washington flight tickets
American Airlines
Mar 5
LGW12:30 pmLondon Gatwick
30h 36m
2 stops
SEA11:06 amSeattle/Tacoma Intl
Mar 25
SEA11:59 pmSeattle/Tacoma Intl
24h 31m
2 stops
LGW7:30 amLondon Gatwick
American Airlines
Jan 28
LHR3:00 pmLondon Heathrow
9h 55m
SEA4:55 pmSeattle/Tacoma Intl
Feb 6
SEA2:00 pmSeattle/Tacoma Intl
14h 05m
1 stop
LHR12:05 pmLondon Heathrow
American Airlines
Jan 29
LHR10:05 amLondon Heathrow
19h 13m
1 stop
SEA9:18 pmSeattle/Tacoma Intl
Feb 2
SEA11:59 pmSeattle/Tacoma Intl
23h 21m
1 stop
LHR7:20 amLondon Heathrow

Finnair flights from London to State of Washington

Our best Finnair deals on London to State of Washington flight tickets
Finnair
Jan 28
LHR8:20 amLondon Heathrow
19h 44m
1 stop
SEA8:04 pmSeattle/Tacoma Intl
Feb 2
SEA12:45 amSeattle/Tacoma Intl
22h 35m
1 stop
LHR7:20 amLondon Heathrow
Finnair
May 21
LHR10:20 amLondon Heathrow
13h 40m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
May 29
SEA1:30 pmSeattle/Tacoma Intl
9h 20m
LHR6:50 amLondon Heathrow
Finnair
Feb 13
LHR3:00 pmLondon Heathrow
9h 55m
SEA4:55 pmSeattle/Tacoma Intl
Feb 27
SEA1:45 pmSeattle/Tacoma Intl
14h 15m
1 stop
LHR12:00 pmLondon Heathrow

See travel insights to Washington from

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

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 $636. 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 $637.

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 $732. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London to State of Washington for around $1,026.

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 $832. 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 London in the evening 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 21 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $776 when searching 21 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 $722 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.

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

$253

Fastest flight time

9h 45m

Direct flights

Every day

Airports in State of Washington

2 airports
The best one-way flight to State of Washington from London in the past 72 hours is $253. The best round-trip flight deal from London to State of Washington found on momondo in the last 72 hours is $386.
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 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)

  • 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?

  • 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?


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
IcelandairPriceFrom $559Free CancellationRating
7.1
501 reviews
Search Icelandair flights
British AirwaysPriceFrom $608Free CancellationRating
6.6
6,834 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $614Free CancellationRating
7.5
665 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $621Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $656Free CancellationRating
7.0
2,646 reviews
Search Iberia flights
Aer LingusPriceFrom $671Free CancellationRating
7.1
1,082 reviews
Search Aer Lingus flights
KLMPriceFrom $674Free CancellationRating
7.8
1,341 reviews
Search KLM flights
DeltaPriceFrom $675Free CancellationRating
8.0
8,521 reviews
Search Delta 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.


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