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Cheap flights from London to Washington from $313

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 5/2. 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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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from London to Washington.
United Airlines Logo
2:10 pm - 10:03 pmLHR-SEA
15h 53m1 stop
United Airlines Logo
5:13 pm - 6:30 amSEA-LHR
29h 17m2 stops
$422United Airlines
Find Deal
Mon, Apr 21 - Mon, May 5
United Airlines Logo
11:25 am - 1:59 pmLHR-SEA
34h 34m2 stops
United Airlines Logo
5:13 pm - 6:30 amSEA-LHR
29h 17m3 stops
$433United Airlines
Find Deal
Mon, Apr 21 - Mon, May 5
Icelandair Logo
3:40 pm - 5:50 pmLGW-SEA
34h 10m1 stop
Icelandair Logo
7:00 pm - 11:45 amSEA-LGW
32h 45m1 stop
$480Icelandair
Find Deal
Tue, Apr 29 - Tue, May 6
Icelandair Logo
3:40 pm - 11:25 amLGW-SEA
27h 45m1 stop
Icelandair Logo
11:30 pm - 2:40 pmSEA-LGW
31h 10m1 stop
$482Icelandair
Find Deal
Fri, Aug 29 - Fri, Sep 12
British Airways Logo
8:50 am - 4:59 pmLHR-SEA
16h 09m1 stop
British Airways Logo
1:30 pm - 6:50 amSEA-LHR
9h 20mnonstop
$607British Airways
Find Deal
Tue, Apr 22 - Wed, Apr 30
British Airways Logo
7:40 am - 4:59 pmLHR-SEA
17h 19m1 stop
British Airways Logo
8:20 pm - 1:40 pmSEA-LHR
9h 20mnonstop
$610British Airways
Find Deal
Tue, Apr 22 - Tue, Apr 29
Delta Logo
6:30 am - 11:45 amLHR-SEA
13h 15m1 stop
Delta Logo
5:35 pm - 11:20 amSEA-LHR
9h 45mnonstop
$613Delta
Find Deal
Mon, Apr 21 - Mon, May 5
Virgin Atlantic Logo
6:15 am - 5:40 pmLHR-SEA
19h 25m1 stop
Virgin Atlantic Logo
5:35 pm - 11:20 amSEA-LHR
9h 45mnonstop
$636Virgin Atlantic
Find Deal
Tue, Apr 22 - Fri, May 2
Virgin Atlantic Logo
5:25 pm - 7:45 pmLHR-SEA
10h 20mnonstop
Virgin Atlantic Logo
5:35 pm - 11:20 amSEA-LHR
9h 45mnonstop
$649Virgin Atlantic
Find Deal
Tue, Apr 22 - Fri, May 2
Delta Logo
5:25 pm - 7:45 pmLHR-SEA
10h 20mnonstop
Delta Logo
8:20 pm - 2:15 pmSEA-LHR
9h 55mnonstop
$667Delta
Find Deal
Thu, May 1 - Thu, May 8

Icelandair flights from London to State of Washington

Our best Icelandair deals on London to State of Washington flight tickets
Icelandair
Apr 29
LGW3:40 pmLondon Gatwick
34h 10m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
May 6
SEA7:00 pmSeattle/Tacoma Intl
32h 45m
1 stop
LGW11:45 amLondon Gatwick
Icelandair
Aug 29
LGW3:40 pmLondon Gatwick
27h 45m
1 stop
SEA11:25 amSeattle/Tacoma Intl
Sep 12
SEA11:30 pmSeattle/Tacoma Intl
31h 10m
1 stop
LGW2:40 pmLondon Gatwick
Icelandair
Sep 6
LGW3:40 pmLondon Gatwick
13h 00m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
Sep 13
SEA7:00 pmSeattle/Tacoma Intl
11h 40m
1 stop
LGW2:40 pmLondon Gatwick

Air Canada flights from London to State of Washington

Our best Air Canada deals on London to State of Washington flight tickets
Air Canada
May 6
LHR8:45 amLondon Heathrow
18h 52m
2 stops
SEA7:37 pmSeattle/Tacoma Intl
May 14
SEA10:00 amSeattle/Tacoma Intl
16h 00m
2 stops
LHR10:00 amLondon Heathrow
Air Canada
May 8
LHR8:40 amLondon Heathrow
17h 53m
2 stops
SEA6:33 pmSeattle/Tacoma Intl
May 12
SEA7:20 amSeattle/Tacoma Intl
18h 40m
1 stop
LHR10:00 amLondon Heathrow
Air Canada
May 1
LHR8:40 amLondon Heathrow
18h 57m
2 stops
SEA7:37 pmSeattle/Tacoma Intl
May 6
SEA5:30 amSeattle/Tacoma Intl
17h 00m
2 stops
LHR6:30 amLondon 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 January is, on average, the cheapest month to fly to State of Washington from London, with most prices found around $633. If you aren’t able to travel to State of Washington during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $661.

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 $803. 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 $1,076.

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 $841. 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 24 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $785 when searching 24 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 $732 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

$313

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 $313. The best round-trip flight deal from London to State of Washington found on momondo in the last 72 hours is $422.
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 $402Free CancellationRating
7.0
476 reviews
Search Icelandair flights
British AirwaysPriceFrom $560Free CancellationRating
6.6
6,718 reviews
Search British Airways flights
American AirlinesPriceFrom $621Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom $635Free CancellationRating
7.4
637 reviews
Search Virgin Atlantic flights
IberiaPriceFrom $673Free CancellationRating
7.0
2,657 reviews
Search Iberia flights
KLMPriceFrom $674Free CancellationRating
7.8
1,323 reviews
Search KLM flights
DeltaPriceFrom $681Free CancellationRating
8.0
7,897 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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