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Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from $434

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 Heathrow Airport to Washington, D.C. Reagan-National Airport departing on 4/10. 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 Heathrow Airport to Washington, D.C.

Cheap round-trip flights

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

Cheap last minute flights

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

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

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

All round-trip flight deals from London Heathrow Airport to Washington, D.C.

The cheapest plane tickets from London Heathrow Airport to Washington, D.C. found on KAYAK recently.
8:25 am - 6:51 pmLHR-DCA
14h 26m1 stop
3:45 pm - 6:30 amDCA-LHR
9h 45m1 stop
$532JetBlue
Find Deal
Wed, Mar 19 - Tue, Apr 1
8:25 am - 4:58 pmLHR-DCA
13h 33m1 stop
6:30 am - 8:45 pmDCA-LHR
9h 15m1 stop
$534JetBlue
Find Deal
Wed, Apr 23 - Mon, May 12
6:00 pm - 8:57 amLHR-DCA
19h 57m1 stop
1:05 pm - 5:55 amDCA-LHR
11h 50m1 stop
$573Lufthansa
Find Deal
Sat, Feb 15 - Thu, Feb 20
6:50 am - 3:29 pmLHR-DCA
13h 39m2 stops
4:10 pm - 7:10 amDCA-LHR
10h 00m1 stop
$582Air Canada
Find Deal
Wed, Feb 19 - Wed, Feb 26
9:30 am - 7:57 pmLHR-DCA
15h 27m2 stops
4:10 pm - 7:10 amDCA-LHR
10h 00m1 stop
Wed, Feb 19 - Wed, Feb 26
9:30 am - 7:57 pmLHR-DCA
15h 27m2 stops
12:55 pm - 7:10 amDCA-LHR
13h 15m2 stops
Mon, Feb 3 - Mon, Mar 3
3:00 pm - 10:29 amLHR-DCA
24h 29m1 stop
5:00 pm - 9:10 amDCA-LHR
11h 10m1 stop
$591Lufthansa
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Sat, Feb 8 - Sat, Feb 15
11:45 am - 7:09 pmLHR-DCA
12h 24m1 stop
6:59 pm - 11:40 amDCA-LHR
12h 41m1 stop
$602Finnair
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Fri, Mar 7 - Sun, Mar 16
11:45 am - 7:09 pmLHR-DCA
12h 24m1 stop
6:59 pm - 8:35 amDCA-LHR
9h 36m1 stop
$604Finnair
Find Deal
Thu, Mar 6 - Mon, Mar 10
6:50 am - 3:29 pmLHR-DCA
13h 39m2 stops
6:50 pm - 11:50 amDCA-LHR
13h 00m1 stop
$625Air Canada
Find Deal
Fri, Mar 7 - Sun, Mar 16
7:40 am - 10:28 pmLHR-DCA
19h 48m2 stops
Thu, Apr 10
2:50 pm - 4:59 pmLHR-DCA
31h 09m3 stops
Mon, Feb 10
9:10 am - 6:04 pmLHR-DCA
13h 54m1 stop
$528Virgin Atlantic
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Wed, Jan 29
8:40 pm - 4:30 pmLHR-DCA
47h 50m2 stops
$533Icelandair
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Mon, Mar 10
2:50 pm - 10:00 pmLHR-DCA
36h 10m2 stops
$556WestJet
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Mon, Feb 10
2:50 pm - 6:00 pmLHR-DCA
56h 10m2 stops
$572WestJet
Find Deal
Mon, Feb 10
8:40 pm - 3:04 pmLHR-DCA
46h 24m2 stops
$620Icelandair
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Mon, Mar 24
8:25 am - 5:00 pmLHR-DCA
13h 35m1 stop
$624JetBlue
Find Deal
Mon, Feb 10
8:25 am - 6:59 pmLHR-DCA
15h 34m1 stop
$625JetBlue
Find Deal
Mon, Feb 10
12:45 pm - 7:07 pmLHR-DCA
11h 22m1 stop
$750Virgin Atlantic
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Fri, May 9
3:00 pm - 3:29 pmLHR-DCA
29h 29m1 stop
3:00 pm - 5:55 amDCA-LHR
9h 55m1 stop
$521Lufthansa
Find Deal
Sat, Jan 25 - Mon, Jan 27
3:00 pm - 10:29 amLHR-DCA
24h 29m1 stop
6:00 pm - 9:10 amDCA-LHR
10h 10m1 stop
$598Lufthansa
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Sat, Jan 25 - Wed, Jan 29
8:40 am - 10:39 pmLHR-DCA
18h 59m1 stop
5:49 pm - 10:25 amDCA-LHR
11h 36m1 stop
$734Finnair
Find Deal
Sun, Jan 26 - Sun, Feb 2
3:00 pm - 9:00 pmLHR-DCA
11h 00m1 stop
4:10 pm - 7:10 amDCA-LHR
10h 00m1 stop
$738Air Canada
Find Deal
Sun, Jan 26 - Sun, Feb 2
8:25 am - 5:00 pmLHR-DCA
13h 35m1 stop
11:45 am - 5:55 amDCA-LHR
13h 10m1 stop
$791JetBlue
Find Deal
Thu, Jan 23 - Wed, Jan 29
8:25 am - 4:00 pmLHR-DCA
12h 35m1 stop
3:00 pm - 5:55 amDCA-LHR
9h 55m1 stop
$797JetBlue
Find Deal
Sat, Jan 25 - Mon, Feb 10
3:35 pm - 10:41 pmLHR-DCA
12h 06m1 stop
5:49 pm - 8:35 amDCA-LHR
9h 46m1 stop
$880Finnair
Find Deal
Thu, Jan 23 - Fri, Jan 31
2:50 pm - 10:29 amLHR-DCA
24h 39m2 stops
8:40 pm - 12:50 pmDCA-LHR
35h 10m2 stops
Sat, Jan 25 - Mon, Jan 27
2:50 pm - 8:57 amLHR-DCA
23h 07m3 stops
8:40 pm - 12:50 pmDCA-LHR
35h 10m2 stops
Sat, Jan 25 - Mon, Jan 27
6:50 am - 3:29 pmLHR-DCA
13h 39m2 stops
4:10 pm - 7:10 amDCA-LHR
10h 00m1 stop
$954Air Canada
Find Deal
Sat, Jan 25 - Mon, Jan 27

Lufthansa flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport

Our best Lufthansa deals on London Heathrow Airport to Washington, D.C. Reagan-National Airport flight tickets
Lufthansa
Jan 25
LHR3:00 pmLondon Heathrow
29h 29m
1 stop
DCA3:29 pmWashington, D.C. Reagan-National
Jan 27
DCA3:00 pmWashington, D.C. Reagan-National
9h 55m
1 stop
LHR5:55 amLondon Heathrow
Lufthansa
Feb 15
LHR6:00 pmLondon Heathrow
19h 57m
1 stop
DCA8:57 amWashington, D.C. Reagan-National
Feb 20
DCA1:05 pmWashington, D.C. Reagan-National
11h 50m
1 stop
LHR5:55 amLondon Heathrow
Lufthansa
Feb 8
LHR3:00 pmLondon Heathrow
24h 29m
1 stop
DCA10:29 amWashington, D.C. Reagan-National
Feb 15
DCA5:00 pmWashington, D.C. Reagan-National
11h 10m
1 stop
LHR9:10 amLondon Heathrow

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

Our best JetBlue deals on London Heathrow Airport to Washington, D.C. Reagan-National Airport flight tickets
JetBlue
Mar 19
LHR8:25 amLondon Heathrow
14h 26m
1 stop
DCA6:51 pmWashington, D.C. Reagan-National
Apr 1
DCA3:45 pmWashington, D.C. Reagan-National
9h 45m
1 stop
LHR6:30 amLondon Heathrow
JetBlue
Apr 23
LHR8:25 amLondon Heathrow
13h 33m
1 stop
DCA4:58 pmWashington, D.C. Reagan-National
May 12
DCA6:30 amWashington, D.C. Reagan-National
9h 15m
1 stop
LHR8:45 pmLondon Heathrow
JetBlue
Mar 26
LHR8:25 amLondon Heathrow
12h 05m
1 stop
DCA4:30 pmWashington, D.C. Reagan-National
Apr 1
DCA1:00 pmWashington, D.C. Reagan-National
12h 30m
1 stop
LHR6:30 amLondon Heathrow

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from London Heathrow Airport to Washington, D.C. Reagan-National 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 typical price of a round-trip flight between London Heathrow Airport and Washington, D.C. Reagan-National Airport?

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of March is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from London Heathrow Airport, with most prices found around $689. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $692.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from London Heathrow Airport to Washington, D.C. Reagan-National Airport is on a Tuesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Tuesday will often find tickets for as low as $642. Flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $1,485. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest London Heathrow Airport to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Washington, D.C. Reagan-National Airport in the afternoon for as low as $701. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $1,590.

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from London Heathrow Airport when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $861 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from London Heathrow Airport for as low as $605 on momondo.

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

As of January 2025, prices for London Heathrow Airport to Washington, D.C. Reagan-National Airport flights are approximately 24% more expensive when compared to flights at the same time last year.

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

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

Cheap London Heathrow Airport to Washington, D.C. Reagan-National Airport (LHR to DCA) flight deals and tips

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

Best Price Found

$434

Fastest flight time

10h 54m

Direct flights

None
The best one-way flight to Washington, D.C. Reagan-National Airport from London Heathrow Airport in the past 72 hours is $434. The best round-trip flight deal from London Heathrow Airport to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $532.
The fastest flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport takes 10h 54m
There are no direct flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport. Popular non-direct route for this connection is London Heathrow Airport - Washington, D.C. Reagan-National Airport.

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

    Washington, D.C. Reagan-National is 3651.9 mi away from London Heathrow. Flights usually cover this in 10h 54m, depending on flying conditions and air traffic around both airports.

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

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

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

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Gettysburg
Laurel
National Harbor
Silver Spring
Fredericksburg
Manassas
Woodbridge
Waldorf
Linthicum Heights
Glen Burnie
Gaithersburg
Rockville
Fairfax
Tysons
Towson
Hanover
Reston
Hyattsville

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Washington, D.C. for you.

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

momondo does allow users to show only those flights to Washington, D.C. 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, D.C.?

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

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from London and alert you when they change.


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