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Cheap flights from Washington, D.C. to London Heathrow Airport from $193

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to London Heathrow Airport departing on 12/9. 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 Washington, D.C. to London

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to London 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 Washington, D.C. to London.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. to London? 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 London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. to London

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

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
7:30 pm - 10:50 amBWI-LHR
10h 20m1 stop
12:15 pm - 6:30 pmLHR-BWI
11h 15m1 stop
$465Icelandair
Find Deal
lun., dic. 2 - lun., dic. 9
7:30 pm - 7:30 pmBWI-LHR
19h 00m1 stop
8:40 pm - 6:30 pmLHR-BWI
26h 50m1 stop
$467Icelandair
Find Deal
lun., nov. 4 - mié., nov. 20
6:15 pm - 6:30 amIAD-LHR
7h 15mnonstop
12:10 pm - 3:35 pmLHR-IAD
8h 25mnonstop
$553Iberia
Find Deal
mar., dic. 3 - vie., dic. 13
8:30 pm - 8:40 amBWI-LHR
7h 10mnonstop
3:25 pm - 6:45 pmLHR-BWI
8h 20mnonstop
$562Iberia
Find Deal
mié., ene. 8 - mié., ene. 15
9:55 pm - 10:05 amIAD-LHR
7h 10mnonstop
12:10 pm - 3:35 pmLHR-IAD
8h 25mnonstop
$564British Airways
Find Deal
lun., nov. 4 - vie., nov. 15
10:55 pm - 10:05 amIAD-LHR
7h 10mnonstop
4:30 pm - 7:45 pmLHR-IAD
8h 15mnonstop
$576British Airways
Find Deal
dom., oct. 27 - mié., nov. 6
9:25 pm - 9:30 amBWI-LHR
7h 05mnonstop
11:45 am - 11:52 pmLHR-BWI
16h 07m1 stop
$586American Airlines
Find Deal
mar., oct. 22 - mié., oct. 30
5:26 pm - 9:15 amBWI-LHR
10h 49m1 stop
3:25 pm - 6:45 pmLHR-BWI
8h 20mnonstop
$590American Airlines
Find Deal
mié., ene. 8 - mié., ene. 15
6:30 pm - 6:40 amIAD-LHR
7h 10mnonstop
8:55 am - 4:25 pmLHR-IAD
12h 30m1 stop
$597United Airlines
Find Deal
mié., nov. 6 - jue., nov. 14
6:30 pm - 6:40 amIAD-LHR
7h 10mnonstop
7:40 am - 3:55 pmLHR-IAD
13h 15m1 stop
$599United Airlines
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mar., nov. 5 - mié., nov. 13
7:30 pm - 10:50 amBWI-LHR
10h 20m1 stop
$193Icelandair
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lun., dic. 9
7:40 pm - 10:50 amIAD-LHR
10h 10m1 stop
$193Icelandair
Find Deal
lun., dic. 9
10:45 pm - 11:05 amIAD-LHR
7h 20mnonstop
$360Iberia
Find Deal
mié., oct. 23
3:39 pm - 12:10 pmBWI-LHR
15h 31m1 stop
$364British Airways
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mié., oct. 23
9:55 pm - 10:05 amIAD-LHR
7h 10mnonstop
$364Iberia
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mar., nov. 26
6:15 pm - 12:00 pmDCA-LHR
13h 45m1 stop
$369British Airways
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dom., oct. 27
3:39 pm - 7:40 amBWI-LHR
11h 01m1 stop
$369American Airlines
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mié., oct. 23
10:45 pm - 11:05 amIAD-LHR
7h 20mnonstop
$370American Airlines
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mar., oct. 15
12:35 pm - 10:00 amIAD-LHR
16h 25m2 stops
$388United Airlines
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mié., oct. 23
10:10 pm - 6:30 amIAD-LHR
27h 20m1 stop
$390United Airlines
Find Deal
sáb., dic. 28
8:30 pm - 11:55 amIAD-LHR
10h 25m1 stop
8:40 pm - 6:20 pmLHR-IAD
26h 40m1 stop
$580Icelandair
Find Deal
dom., oct. 13 - mar., nov. 5
10:50 pm - 11:10 amIAD-LHR
7h 20mnonstop
10:50 am - 7:15 pmLHR-IAD
13h 25m1 stop
$587British Airways
Find Deal
dom., oct. 13 - mar., oct. 22
10:50 pm - 11:10 amIAD-LHR
7h 20mnonstop
4:30 pm - 8:45 pmLHR-IAD
8h 15mnonstop
$700Iberia
Find Deal
dom., oct. 13 - vie., nov. 1
5:00 pm - 10:15 amIAD-LHR
12h 15m1 stop
8:40 am - 3:45 pmLHR-IAD
12h 05m1 stop
$706Virgin Atlantic
Find Deal
mié., oct. 9 - mar., nov. 5
6:35 am - 8:00 amIAD-LHR
20h 25m1 stop
4:30 pm - 8:45 pmLHR-IAD
8h 15mnonstop
$713Iberia
Find Deal
dom., oct. 13 - vie., nov. 1
10:15 pm - 10:30 amIAD-LHR
7h 15mnonstop
1:05 pm - 5:45 pmLHR-IAD
8h 40mnonstop
$714Virgin Atlantic
Find Deal
dom., oct. 13 - vie., nov. 1
9:25 pm - 9:30 amBWI-LHR
7h 05mnonstop
3:25 pm - 6:45 pmLHR-BWI
8h 20mnonstop
$724American Airlines
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dom., oct. 13 - dom., nov. 3
6:03 am - 8:40 pmIAD-LHR
9h 37m1 stop
1:45 pm - 4:15 pmLHR-IAD
31h 30m1 stop
$725United Airlines
Find Deal
mié., oct. 9 - mar., oct. 15
8:30 am - 6:30 amIAD-LHR
17h 00m2 stops
8:55 am - 4:25 pmLHR-IAD
12h 30m1 stop
$726United Airlines
Find Deal
mié., oct. 9 - mar., nov. 5
9:25 pm - 9:30 amBWI-LHR
7h 05mnonstop
11:50 am - 7:26 pmLHR-BWI
12h 36m1 stop
$748American Airlines
Find Deal
dom., oct. 13 - mar., nov. 5
9:55 pm - 10:05 amIAD-LHR
7h 10mnonstop
4:30 pm - 7:45 pmLHR-IAD
8h 15mnonstop
$513British Airways
Find Deal
dom., dic. 1 - mié., dic. 18
6:15 pm - 6:30 amIAD-LHR
7h 15mnonstop
12:10 pm - 3:35 pmLHR-IAD
8h 25mnonstop
$553Iberia
Find Deal
mar., dic. 3 - vie., dic. 13
6:45 pm - 7:15 amIAD-LHR
7h 30mnonstop
12:25 pm - 4:05 pmLHR-IAD
8h 40mnonstop
$563Virgin Atlantic
Find Deal
mié., nov. 27 - mié., dic. 4
6:45 pm - 7:15 amIAD-LHR
7h 30mnonstop
1:15 pm - 4:55 pmLHR-IAD
8h 40mnonstop
$568Virgin Atlantic
Find Deal
lun., nov. 4 - jue., nov. 14
9:30 pm - 8:40 amBWI-LHR
7h 10mnonstop
3:25 pm - 7:45 pmLHR-BWI
8h 20mnonstop
$586American Airlines
Find Deal
mié., mar. 12 - mié., mar. 19
6:45 pm - 7:15 amIAD-LHR
7h 30mnonstop
12:25 pm - 4:05 pmLHR-IAD
8h 40mnonstop
$614Delta
Find Deal
mié., nov. 6 - mar., nov. 12
8:30 pm - 8:40 amBWI-LHR
7h 10mnonstop
3:25 pm - 6:45 pmLHR-BWI
8h 20mnonstop
$626American Airlines
Find Deal
jue., nov. 7 - mié., nov. 13
6:30 pm - 6:40 amIAD-LHR
7h 10mnonstop
4:20 pm - 8:15 pmLHR-IAD
8h 55mnonstop
$653United Airlines
Find Deal
mar., nov. 26 - mar., dic. 3
6:25 pm - 6:40 amIAD-LHR
7h 15mnonstop
12:05 pm - 3:40 pmLHR-IAD
8h 35mnonstop
$663United Airlines
Find Deal
mié., ene. 1 - mié., ene. 8
6:45 pm - 7:15 amIAD-LHR
7h 30mnonstop
12:25 pm - 4:05 pmLHR-IAD
8h 40mnonstop
$691Delta
Find Deal
lun., dic. 16 - mar., ene. 7

Icelandair flights from Washington, D.C. to London Heathrow Airport

Our best Icelandair deals on Washington, D.C. to London Heathrow Airport flight tickets
Icelandair
Dec 2
BWI7:30 pmBaltimore/Washington
10h 20m
1 stop
LHR10:50 amLondon Heathrow
Dec 9
LHR12:15 pmLondon Heathrow
11h 15m
1 stop
BWI6:30 pmBaltimore/Washington
Icelandair
Nov 4
BWI7:30 pmBaltimore/Washington
19h 00m
1 stop
LHR7:30 pmLondon Heathrow
Nov 20
LHR8:40 pmLondon Heathrow
26h 50m
1 stop
BWI6:30 pmBaltimore/Washington
Icelandair
Nov 4
BWI7:30 pmBaltimore/Washington
19h 00m
1 stop
LHR7:30 pmLondon Heathrow
Nov 14
LHR8:40 pmLondon Heathrow
26h 50m
1 stop
BWI6:30 pmBaltimore/Washington

JetBlue flights from Washington, D.C. to London Heathrow Airport

Our best JetBlue deals on Washington, D.C. to London Heathrow Airport flight tickets
JetBlue
Nov 7
DCA12:45 pmWashington, D.C. Reagan-National
12h 10m
1 stop
LHR5:55 amLondon Heathrow
Nov 13
LHR8:25 amLondon Heathrow
12h 04m
1 stop
DCA3:29 pmWashington, D.C. Reagan-National
JetBlue
Oct 26
DCA3:30 pmWashington, D.C. Reagan-National
10h 25m
1 stop
LHR6:55 amLondon Heathrow
Nov 2
LHR8:25 amLondon Heathrow
12h 05m
1 stop
DCA4:30 pmWashington, D.C. Reagan-National
JetBlue
Jan 8
DCA7:59 amWashington, D.C. Reagan-National
16h 56m
1 stop
LHR5:55 amLondon Heathrow
Jan 14
LHR8:25 amLondon Heathrow
17h 31m
1 stop
DCA8:56 pmWashington, D.C. Reagan-National

How to get the cheapest flight ticket from Washington, D.C. 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 from Washington, D.C. to London Heathrow Airport?

April. The cheapest time of year to fly to London Heathrow Airport from Washington, D.C. is April. Most expensive is June

What is the cheapest day to depart Washington, D.C. for London Heathrow Airport?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Saturday

When is the cheapest time to fly from Washington, D.C. to London Heathrow Airport?

In the morning. Washington, D.C. to London Heathrow Airport flights are approximately 9% more expensive at noon than in the morning

What is the cheapest airline that flies to London Heathrow Airport from Washington, D.C.?

Scandinavian Airlines. Scandinavian Airlines, PLAY, and Aer Lingus are the most popular carriers operating from Washington, D.C. to London Heathrow Airport

How far in advance should you book Washington, D.C. to London Heathrow Airport flights?

29 days before. The cheapest time to buy a flight from Washington, D.C. to London Heathrow Airport is approximately 29 days to departure

How many flights depart from Washington, D.C. to London Heathrow Airport on average per day?

26 flights are operational weekly from Washington, D.C. to London Heathrow Airport as of October 2024. The most popular departure time for this route is 10:00PM, with 84% of flights per day taking off in the evening.

How many flights depart from Washington, D.C. to London Heathrow Airport on average per week?

As of October 2024, there are 182 flights per week flying from Washington, D.C. to London Heathrow Airport. The most common day of the week flights depart is Monday, with 15% of flights taking off on this day.

What cabin class options are available on Washington, D.C. to London Heathrow Airport flights?

There are 4 cabin classes available to choose from on Washington, D.C. 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 Washington, D.C. to London Heathrow Airport flights?

You could potentially save up to 45% on your flight if you consider stops on a Washington, D.C. to London Heathrow Airport flight.

How have Washington, D.C. to London Heathrow Airport flight prices changed over time?

As of October 2024, prices for Washington, D.C. to London Heathrow Airport flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to London Heathrow Airport (WAS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to London Heathrow Airport

Best Price Found

$193

Fastest flight time

7h 05m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Washington, D.C. in the past 72 hours is $193. The best round-trip flight deal from Washington, D.C. to London Heathrow Airport found on momondo in the last 72 hours is $465.
The fastest flight from Washington, D.C. to London Heathrow Airport takes 7h 05m
Direct flights go from Washington, D.C. to London Heathrow Airport every day.

  • How far is Washington, D.C. to London Heathrow by plane?

    Washington, D.C. and London Heathrow are 3649.4 mi apart from one another. 7h 05m is a normal flight duration for this route.

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

    Prices for flights from Washington, D.C. to London Heathrow Airport were last updated today.

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

  • How old do you have to be to fly from Washington, D.C. to London Heathrow Airport?

    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 Washington, D.C. to London Heathrow Airport.

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

    The required travel and health documents for your London Heathrow Airport 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 London Heathrow Airport. 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 Washington, D.C. to London Heathrow Airport?

  • What is the most popular airline from Washington, D.C. to London Heathrow Airport?


Best airlines flying from Washington, D.C. to London Heathrow Airport

Compare and see reviews for airlines that fly from Washington, D.C. to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $366Free CancellationRating
7.1
81 reviews
Search PLAY flights
Scandinavian AirlinesPriceFrom $394Free CancellationRating
7.3
1,312 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $470Free CancellationRating
7.1
1,917 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $479Free CancellationRating
7.1
1,105 reviews
Search Aer Lingus flights
IcelandairPriceFrom $485Free CancellationRating
7.2
631 reviews
Search Icelandair flights
FinnairPriceFrom $531Free CancellationRating
7.7
1,325 reviews
Search Finnair flights
KLMPriceFrom $546Free CancellationRating
7.8
1,361 reviews
Search KLM flights
DeltaPriceFrom $548Free CancellationRating
8.0
8,972 reviews
Search Delta flights
LufthansaPriceFrom $557Free CancellationRating
6.8
7,187 reviews
Search Lufthansa flights
IberiaPriceFrom $575Free CancellationRating
7.0
2,682 reviews
Search Iberia flights
  • Delta Flights From Washington, D.C. to London Heathrow Airport

    Delta flight deals from Washington, D.C. to London Heathrow Airport start from $548 round-trip. Over the 7 Delta flights for this route in a normal week, average airfare is usually $830 round-trip - but some users have found much cheaper deals with momondo.

  • KLM Flights From Washington, D.C. to London Heathrow Airport

    Across 1,361 KLM reviews on momondo, the average score is 7.8/10. KLM flies from Washington, D.C. to London Heathrow Airport about 7 times each week, with ticket deals ranging from $546 to $780. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to London?

Finding the right flight to London from Washington, D.C. 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 London quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to London?

momondo provides multiple filters to help you find the best flight to London from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Washington, D.C. to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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