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Cheap flights from London to Washington from $296

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 to Washington

The cheapest plane tickets to Washington found on KAYAK recently.
11:55 am - 5:00 pmLGW-SEA
13h 05m1 stop
2:35 pm - 10:55 amSEA-LGW
12h 20m1 stop
$474Icelandair
Find Deal
Mon, Jan 13 - Wed, Jan 29
11:55 am - 5:00 pmLGW-SEA
13h 05m1 stop
2:35 pm - 10:55 amSEA-LGW
12h 20m1 stop
$486Icelandair
Find Deal
Mon, Jan 13 - Wed, Jan 29
6:30 am - 11:50 amLHR-SEA
13h 20m1 stop
7:00 pm - 12:40 pmSEA-LHR
9h 40mnonstop
$653KLM
Find Deal
Wed, Jan 15 - Wed, Jan 22
6:30 am - 11:50 amLHR-SEA
13h 20m1 stop
7:00 pm - 12:40 pmSEA-LHR
9h 40mnonstop
$655KLM
Find Deal
Wed, Jan 15 - Wed, Jan 22
6:30 am - 12:10 pmLHR-SEA
13h 40m1 stop
10:35 am - 9:20 amSEA-LHR
14h 45m2 stops
$685Lufthansa
Find Deal
Mon, Jan 13 - Wed, Jan 29
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$689British Airways
Find Deal
Tue, Feb 11 - Mon, Feb 24
11:10 am - 9:30 pmLHR-SEA
18h 20m1 stop
5:15 pm - 7:25 amSEA-LHR
30h 10m1 stop
$692Lufthansa
Find Deal
Thu, Jan 9 - Sat, Jan 25
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
1:35 pm - 11:40 amSEA-LHR
14h 05m1 stop
$696British Airways
Find Deal
Wed, Jan 22 - Mon, Feb 3
9:15 am - 10:53 pmLCY-SEA
21h 38m2 stops
3:24 pm - 5:05 pmSEA-LCY
17h 41m2 stops
$739SWISS
Find Deal
Tue, Feb 11 - Thu, Feb 20
6:45 pm - 11:10 pmLGW-SEA
36h 25m2 stops
12:55 pm - 5:50 pmSEA-LGW
20h 55m2 stops
$741SWISS
Find Deal
Fri, Feb 7 - Thu, Mar 6
9:15 am - 1:07 pmLGW-PDX
35h 52m2 stops
Wed, Apr 30
6:15 pm - 2:21 pmLGW-SEA
52h 06m2 stops
Tue, Feb 4
7:05 am - 2:21 pmLTN-SEA
39h 16m2 stops
Thu, Feb 20
7:25 pm - 8:04 pmLHR-SEA
32h 39m3 stops
$609British Airways
Find Deal
Tue, Jan 14
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
$651British Airways
Find Deal
Tue, Jan 21
7:40 am - 1:20 pmLHR-SEA
13h 40m1 stop
$689Lufthansa
Find Deal
Fri, Nov 29
6:30 am - 12:10 pmLHR-SEA
13h 40m1 stop
$691Lufthansa
Find Deal
Mon, Dec 9
6:45 pm - 9:07 pmLGW-SEA
34h 22m2 stops
$706SWISS
Find Deal
Tue, Nov 26
7:25 am - 9:55 pmLHR-PDX
22h 30m1 stop
$713JetBlue
Find Deal
Mon, May 5
9:15 am - 9:07 pmLCY-SEA
19h 52m2 stops
$721SWISS
Find Deal
Tue, Nov 26
1:45 pm - 7:13 pmLHR-SEA
37h 28m1 stop
6:05 am - 6:30 amSEA-LHR
16h 25m1 stop
$632United Airlines
Find Deal
Sat, Nov 23 - Mon, Nov 25
12:00 pm - 4:23 pmLGW-SEA
36h 23m1 stop
5:23 pm - 10:35 amSEA-LGW
33h 12m1 stop
Tue, Nov 26 - Mon, Jan 13
8:40 pm - 5:00 pmLHR-SEA
28h 20m1 stop
2:35 pm - 7:30 pmSEA-LHR
20h 55m1 stop
$635Icelandair
Find Deal
Tue, Nov 26 - Tue, Dec 3
9:15 am - 9:07 pmLCY-SEA
19h 52m2 stops
2:00 pm - 5:05 pmSEA-LCY
19h 05m2 stops
$968SWISS
Find Deal
Tue, Nov 26 - Tue, Dec 3
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$1,031British Airways
Find Deal
Tue, Nov 26 - Thu, Jan 9
7:40 am - 1:20 pmLHR-SEA
13h 40m1 stop
10:35 am - 10:10 amSEA-LHR
15h 35m1 stop
$1,039Lufthansa
Find Deal
Fri, Nov 22 - Mon, Dec 2
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$1,071British Airways
Find Deal
Sat, Nov 23 - Mon, Nov 25
8:30 am - 10:46 pmLCY-SEA
22h 16m2 stops
10:55 am - 12:50 pmSEA-LCY
17h 55m2 stops
$1,100SWISS
Find Deal
Sat, Nov 23 - Tue, Nov 26
6:00 pm - 11:24 amLHR-SEA
25h 24m1 stop
7:05 am - 7:30 amSEA-LHR
16h 25m1 stop
$2,058Lufthansa
Find Deal
Fri, Nov 22 - Fri, Nov 29
10:05 pm - 10:16 pmLHR-SEA
32h 11m2 stops
3:53 pm - 3:00 pmSEA-LHR
39h 07m2 stops
$13,131Cathay Pacific
Find Deal
Fri, Nov 22 - Tue, Dec 3
3:50 pm - 6:25 pmLHR-SEA
10h 35mnonstop
7:00 pm - 12:40 pmSEA-LHR
9h 40mnonstop
$639Delta
Find Deal
Wed, Jan 15 - Wed, Jan 22
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
7:00 pm - 12:40 pmSEA-LHR
9h 40mnonstop
$640Delta
Find Deal
Mon, Dec 9 - Wed, Jan 15
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
6:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$643Delta
Find Deal
Wed, Dec 4 - Wed, Mar 12
3:50 pm - 6:25 pmLHR-SEA
10h 35mnonstop
7:00 pm - 12:40 pmSEA-LHR
9h 40mnonstop
$661KLM
Find Deal
Wed, Jan 15 - Wed, Jan 22
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$667KLM
Find Deal
Wed, Jan 15 - Wed, Jan 22
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$672British Airways
Find Deal
Tue, Jan 21 - Thu, Jan 30
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$689British Airways
Find Deal
Tue, Feb 11 - Mon, Feb 24
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
$696Finnair
Find Deal
Tue, Jan 14 - Mon, Jan 20
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
1:35 pm - 7:00 amSEA-LHR
9h 25mnonstop
$697Finnair
Find Deal
Wed, Jan 22 - Tue, Feb 4
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
$822Air France
Find Deal
Tue, Dec 17 - Tue, Dec 24

Icelandair flights from London to State of Washington

Our best Icelandair deals on London to State of Washington flight tickets
Icelandair
Jan 13
LGW11:55 amLondon Gatwick
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 29
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
LGW10:55 amLondon Gatwick
Icelandair
Jan 13
LGW11:55 amLondon Gatwick
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 29
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
LGW10:55 amLondon Gatwick
Icelandair
Jan 15
LGW11:55 amLondon Gatwick
13h 05m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 22
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
LGW10:55 amLondon Gatwick

WestJet flights from London to State of Washington

Our best WestJet deals on London to State of Washington flight tickets
WestJet
Jan 16
LHR2:50 pmLondon Heathrow
31h 31m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Jan 20
SEA3:15 pmSeattle/Tacoma Intl
13h 35m
1 stop
LHR12:50 pmLondon Heathrow
WestJet
Jan 23
LHR2:50 pmLondon Heathrow
31h 31m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Jan 30
SEA3:15 pmSeattle/Tacoma Intl
13h 35m
1 stop
LHR12:50 pmLondon Heathrow
WestJet
Nov 28
LHR2:50 pmLondon Heathrow
36h 10m
2 stops
PDX7:00 pmPortland
Dec 2
PDX12:59 amPortland
27h 51m
2 stops
LHR12:50 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 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 $770. 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 $978.

What is the cheapest London to Washington flight route?

Fly from London Heathrow to Seattle/Tacoma Intl for the best London - Washington flight prices

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 54% 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

$296

Fastest flight time

9h 55m

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 $296. The best round-trip flight deal from London to State of Washington found on momondo in the last 72 hours is $474.
The fastest flight from London to State of Washington takes 9h 55m
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
Virgin AtlanticPriceFrom $549Free CancellationRating
7.5
663 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom $558Free CancellationRating
7.2
553 reviews
Search Icelandair flights
British AirwaysPriceFrom $600Free CancellationRating
6.6
6,831 reviews
Search British Airways flights
American AirlinesPriceFrom $621Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $654Free CancellationRating
8.0
8,755 reviews
Search Delta flights
Aer LingusPriceFrom $671Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus flights
KLMPriceFrom $674Free CancellationRating
7.8
1,349 reviews
Search KLM flights
IberiaPriceFrom $677Free CancellationRating
7.0
2,661 reviews
Search Iberia 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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Popular flights according to clicks in the last 7 days on momondo