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Cheap flights from Washington to London from $297

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
6:22 am - 10:15 amGEG  Spokane-LHR London Heathrow
19h 53m1 stop Los Angeles
Virgin Atlantic Logo
8:55 am - 11:59 pmLHR  London Heathrow-GEG Spokane
22h 04m2 stops Paris Charles de Gaulle Los Angeles
$743Virgin Atlantic
Tue, Oct 13 - Fri, Oct 30
Virgin Atlantic Logo
1:59 pm - 1:05 pmGEG  Spokane-LHR London Heathrow
15h 06m1 stop Minneapolis St Paul
Virgin Atlantic Logo
8:55 am - 11:59 pmLHR  London Heathrow-GEG Spokane
23h 04m2 stops Paris Charles de Gaulle Los Angeles
$744Virgin Atlantic
Tue, Oct 13 - Tue, Nov 3
Delta Logo
3:25 pm - 11:20 amPSC  Pasco Tri Cities-LHR London Heathrow
11h 55m1 stop Seattle/Tacoma Intl
Delta Logo
6:30 am - 2:50 pmLHR  London Heathrow-PSC Pasco Tri Cities
16h 20m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$746Delta
Mon, Oct 5 - Tue, Oct 13
Delta Logo
4:27 pm - 4:30 pmGEG  Spokane-LHR London Heathrow
16h 03m1 stop Los Angeles
Delta Logo
6:30 am - 6:59 pmLHR  London Heathrow-GEG Spokane
20h 29m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$746Delta
Tue, Dec 1 - Tue, Dec 8
Multiple Airlines Logo
1:10 pm - 10:40 amGEG  Spokane-LHR London Heathrow
13h 30m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
8:40 am - 8:09 pmLHR  London Heathrow-GEG Spokane
19h 29m2 stops Amsterdam Schiphol Minneapolis St Paul
$746Multiple Airlines
Tue, Nov 10 - Tue, Nov 24
United Airlines Logo
4:00 pm - 9:40 amGEG  Spokane-LHR London Heathrow
33h 40m1 stop Denver Intl
United Airlines Logo
9:00 am - 11:38 pmLHR  London Heathrow-GEG Spokane
22h 38m2 stops Zurich San Francisco
$760United Airlines
Tue, Mar 2 - Fri, Mar 5
United Airlines Logo
4:00 pm - 9:40 amGEG  Spokane-LHR London Heathrow
33h 40m1 stop Denver Intl
United Airlines Logo
9:00 am - 11:38 pmLHR  London Heathrow-GEG Spokane
22h 38m2 stops Zurich San Francisco
$761United Airlines
Tue, Mar 2 - Fri, Mar 5
Lufthansa Logo
3:30 pm - 6:30 amPDX  Portland-LHR London Heathrow
31h 00m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Lufthansa Logo
6:30 am - 7:11 pmLHR  London Heathrow-PDX Portland
20h 41m2 stops Frankfurt am Main Vancouver Intl
$765Lufthansa
Mon, Oct 5 - Wed, Oct 14
Lufthansa Logo
3:30 pm - 6:30 amPDX  Portland-LHR London Heathrow
31h 00m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Lufthansa Logo
6:30 am - 7:11 pmLHR  London Heathrow-PDX Portland
20h 41m2 stops Frankfurt am Main Vancouver Intl
$765Lufthansa
Tue, Oct 6 - Thu, Oct 15
Multiple Airlines Logo
3:30 pm - 9:20 amPDX  Portland-LHR London Heathrow
33h 50m3 stops Reykjavik Keflavik Intl Oslo Gardermoen Warsaw Frederic Chopin
Multiple Airlines Logo
7:05 am - 6:00 pmLHR  London Heathrow-PDX Portland
17h 55m2 stops Oslo Gardermoen Reykjavik Keflavik Intl
$769Multiple Airlines
Wed, Oct 21 - Wed, Oct 28

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KLM flights from State of Washington to London Heathrow Airport

Our best KLM deals on State of Washington to London Heathrow Airport flight tickets
KLM
Mar 14
PSC7:05 amPasco Tri Cities
17h 00m
1 stop
LHR7:05 amLondon Heathrow
Apr 2
LHR10:50 amLondon Heathrow
20h 48m
1 stop
PSC11:38 pmPasco Tri Cities
$769
KLM
Mar 14
PSC12:35 pmPasco Tri Cities
15h 05m
1 stop
LHR10:40 amLondon Heathrow
Apr 2
LHR10:50 amLondon Heathrow
20h 48m
1 stop
PSC11:38 pmPasco Tri Cities
$772
KLM
Sep 25
SEA5:30 pmSeattle/Tacoma Intl
9h 50m
LHR11:20 amLondon Heathrow
Oct 7
LHR9:55 amLondon Heathrow
14h 40m
1 stop
SEA4:35 pmSeattle/Tacoma Intl
$773

Lufthansa flights from State of Washington to London Heathrow Airport

Our best Lufthansa deals on State of Washington to London Heathrow Airport flight tickets
Lufthansa
Oct 5
PDX3:30 pmPortland
34h 30m
2 stops
LHR10:00 amLondon Heathrow
Oct 13
LHR6:30 amLondon Heathrow
20h 41m
2 stops
PDX7:11 pmPortland
$765
Lufthansa
Oct 10
SEA7:15 pmSeattle/Tacoma Intl
34h 05m
1 stop
LHR1:20 pmLondon Heathrow
Oct 17
LHR7:10 pmLondon Heathrow
29h 49m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$774
Lufthansa
Nov 24
PDX10:00 amPortland
15h 20m
2 stops
LHR9:20 amLondon Heathrow
Dec 6
LHR8:45 amLondon Heathrow
23h 58m
2 stops
PDX12:43 amPortland
$780

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington to London Heathrow Airport that are best for you.

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Route

Depart

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Price

Cheapest round-trip

SpokaneLondon

GEG Spokane - LHR London Heathrow

GEGLHR

Spokane

Tue 10/13

6:22 am-10:15 am

1 stop19h 53m

London Heathrow

Fri 10/30

8:55 am-11:59 pm

2 stops22h 04m

$743

SpokaneLondon

GEG Spokane - LHR London Heathrow

GEGLHR

Spokane

Tue 10/13

1:59 pm-1:05 pm

1 stop15h 06m

London Heathrow

Tue 11/3

8:55 am-11:59 pm

2 stops23h 04m

$744
Quickest round-trip

PascoLondon

PSC Pasco Tri Cities - LHR London Heathrow

PSCLHR

Pasco Tri Cities

Mon 10/5

3:25 pm-11:20 am

1 stop11h 55m

London Heathrow

Tue 10/13

6:30 am-2:50 pm

2 stops16h 20m

$746

SpokaneLondon

GEG Spokane - LHR London Heathrow

GEGLHR

Spokane

Tue 12/1

4:27 pm-4:30 pm

1 stop16h 03m

London Heathrow

Tue 12/8

6:30 am-6:59 pm

2 stops20h 29m

$746

SpokaneLondon

GEG Spokane - LHR London Heathrow

GEGLHR

Spokane

Tue 11/10

1:10 pm-10:40 am

1 stop13h 30m

London Heathrow

Tue 11/24

8:40 am-8:09 pm

2 stops19h 29m

$746

SpokaneLondon

GEG Spokane - LHR London Heathrow

GEGLHR

Spokane

Tue 3/2

4:00 pm-9:40 am

1 stop33h 40m

London Heathrow

Fri 3/5

9:00 am-11:38 pm

2 stops22h 38m

$760

SpokaneLondon

GEG Spokane - LHR London Heathrow

GEGLHR

Spokane

Tue 3/2

4:00 pm-9:40 am

1 stop33h 40m

London Heathrow

Fri 3/5

9:00 am-11:38 pm

2 stops22h 38m

$761

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Mon 10/5

3:30 pm-6:30 am

2 stops31h 00m

London Heathrow

Wed 10/14

6:30 am-7:11 pm

2 stops20h 41m

$765

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Tue 10/6

3:30 pm-6:30 am

2 stops31h 00m

London Heathrow

Thu 10/15

6:30 am-7:11 pm

2 stops20h 41m

$765

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Wed 10/21

3:30 pm-9:20 am

3 stops33h 50m

London Heathrow

Wed 10/28

7:05 am-6:00 pm

2 stops17h 55m

$769

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from State of Washington to London Heathrow Airport

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 London Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from State of Washington, with most prices found around $686. If you’re not able to fly to London Heathrow Airport in January, then February is your next best option. Flight prices from State of Washington to London Heathrow Airport during February average around $700.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $904. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,007.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from State of Washington to London Heathrow Airport at noon for as low as $943. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $977.

What is the cheapest Washington to London Heathrow flight route?

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

How far in advance should I book a flight from Washington to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $878 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from State of Washington for as low as $820 on momondo.

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

There are 4 cabin classes available to choose from on State of Washington to London Heathrow Airport 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 State of Washington to London Heathrow Airport flights?

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

Cheap State of Washington to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to London Heathrow Airport

Best Price Found

$297

Fastest flight time

9h 15m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from State of Washington in the past 72 hours is $297. The best round-trip flight deal from State of Washington to London Heathrow Airport found on momondo in the last 72 hours is $743.
The fastest flight from State of Washington to London Heathrow Airport takes 9h 15m
Direct flights go from State of Washington to London Heathrow Airport every day.
Search flight deals

Frequently asked questions about flying from Washington to London Heathrow Airport

  • When did momondo last update prices for flights from Washington to London Heathrow Airport?

    Prices for flights from Washington to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to London Heathrow Airport?

  • How old do you have to be to fly from Washington to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport 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 London Heathrow Airport. 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 State of Washington to London Heathrow Airport?

Best airlines flying from State of Washington to London Heathrow Airport

Compare and see reviews for airlines that fly from State of Washington to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $506Free CancellationRating
6.9
747 reviews
Search Icelandair flights
Aer LingusPriceFrom $535Free CancellationRating
7.3
1,783 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $559Free CancellationRating
7.4
10,227 reviews
Search United Airlines flights
FinnairPriceFrom $560Free CancellationRating
7.6
1,431 reviews
Search Finnair flights
Virgin AtlanticPriceFrom $564Free CancellationRating
7.4
694 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $584Free CancellationRating
6.7
8,228 reviews
Search British Airways flights
Air FrancePriceFrom $584Free CancellationRating
7.5
1,651 reviews
Search Air France flights
American AirlinesPriceFrom $595Free CancellationRating
7.0
12,081 reviews
Search American Airlines flights
DeltaPriceFrom $608Free CancellationRating
7.8
8,595 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $648Free CancellationRating
7.4
1,987 reviews
Search Scandinavian Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Croydon
Luton
Stratford-upon-Avon
Hayes
Dover
Wembley
Kingston upon Thames
Richmond
Stansted
Watford
Harrow
Cobham
Worthing
Eastbourne
Slough
Hook
Uxbridge

Why use momondo?

Why should I use momondo to find a flight deal from Washington to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to London. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington to London with flexible booking policies on momondo?

Flights from Washington to London 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 Washington to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Washington.

I’m not ready to book a flight from Washington to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Washington. 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.

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