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Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from $427

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 3/10. 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 to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
8:25 am - 6:01 pmLHR-DCA
14h 36m1 stop
3:45 pm - 5:55 amDCA-LHR
9h 10m1 stop
$448Icelandair
Find Deal
Tue, Jan 14 - Wed, Jan 22
7:25 am - 2:40 pmLHR-DCA
12h 15m1 stop
6:00 am - 9:30 amDCA-LHR
22h 30m1 stop
$451Icelandair
Find Deal
Mon, Apr 21 - Mon, May 5
8:25 am - 4:00 pmLHR-DCA
12h 35m1 stop
9:45 am - 5:55 amDCA-LHR
15h 10m1 stop
$472JetBlue
Find Deal
Tue, Jan 14 - Mon, Jan 20
7:25 am - 8:40 pmLHR-DCA
18h 15m1 stop
9:45 am - 5:55 amDCA-LHR
15h 10m1 stop
$473JetBlue
Find Deal
Mon, Jan 13 - Mon, Jan 20
8:25 am - 4:30 pmLHR-DCA
12h 05m1 stop
12:30 pm - 5:55 amDCA-LHR
12h 25m1 stop
$480JetBlue
Find Deal
Mon, Mar 24 - Wed, Apr 2
11:10 am - 8:57 amLHR-DCA
25h 47m1 stop
7:00 am - 8:35 pmDCA-LHR
9h 35m1 stop
$612Lufthansa
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Sat, Mar 15 - Fri, Mar 21
8:50 pm - 9:00 pmLHR-DCA
29h 10m3 stops
4:00 pm - 8:05 pmDCA-LHR
23h 05m2 stops
Thu, Dec 5 - Mon, Dec 9
10:20 am - 10:41 pmLHR-DCA
17h 21m2 stops
5:49 pm - 8:35 amDCA-LHR
9h 46m1 stop
$683Finnair
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Tue, Jan 14 - Wed, Jan 22
11:45 am - 12:44 pmLHR-DCA
29h 59m1 stop
2:54 pm - 7:50 amDCA-LHR
11h 56m1 stop
$718Finnair
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Fri, Dec 6 - Fri, Dec 13
6:30 am - 6:07 pmLHR-DCA
15h 37m2 stops
4:10 pm - 6:30 amDCA-LHR
9h 20m1 stop
Mon, Mar 24 - Tue, Apr 1
8:40 pm - 10:24 pmLHR-DCA
29h 44m2 stops
Mon, Mar 10
2:50 pm - 12:01 pmLHR-DCA
50h 11m3 stops
Wed, Dec 4
6:00 am - 7:57 pmLHR-DCA
18h 57m2 stops
Sat, Jan 25
8:25 am - 4:00 pmLHR-DCA
12h 35m1 stop
$565Undisclosed Carrier
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Fri, Jan 10
1:05 pm - 7:41 amLHR-DCA
23h 36m2 stops
$628Icelandair
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Thu, May 1
8:25 am - 8:59 pmLHR-DCA
17h 34m1 stop
$631Icelandair
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Wed, Jan 22
7:55 pm - 9:43 pmLHR-DCA
30h 48m2 stops
$642TAP AIR PORTUGAL
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Thu, Dec 12
1:40 pm - 8:25 amLHR-DCA
23h 45m2 stops
$645TAP AIR PORTUGAL
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Thu, Dec 12
8:25 am - 6:01 pmLHR-DCA
14h 36m1 stop
$648JetBlue
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Wed, Jan 22
11:55 am - 10:00 pmLHR-DCA
15h 05m1 stop
$650JetBlue
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Wed, May 14
2:30 pm - 10:19 amLHR-DCA
24h 49m1 stop
6:00 am - 8:35 pmDCA-LHR
9h 35m1 stop
$596Lufthansa
Find Deal
Sat, Nov 23 - Mon, Nov 25
2:30 pm - 10:19 amLHR-DCA
24h 49m1 stop
11:05 am - 5:55 amDCA-LHR
13h 50m1 stop
$678Lufthansa
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Sat, Nov 23 - Tue, Nov 26
5:05 pm - 12:42 pmLHR-DCA
24h 37m1 stop
5:59 pm - 8:35 amDCA-LHR
9h 36m1 stop
$753Finnair
Find Deal
Tue, Nov 26 - Sat, Dec 7
8:25 am - 8:59 pmLHR-DCA
17h 34m1 stop
7:40 pm - 5:55 amDCA-LHR
29h 15m1 stop
$792Icelandair
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Sun, Nov 24 - Mon, Dec 2
5:05 pm - 6:59 pmLHR-DCA
30h 54m1 stop
6:42 am - 6:50 amDCA-LHR
19h 08m1 stop
$814Finnair
Find Deal
Sun, Nov 24 - Sun, Dec 1
8:25 am - 8:59 pmLHR-DCA
17h 34m1 stop
7:59 am - 5:55 amDCA-LHR
16h 56m1 stop
$816JetBlue
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Sun, Nov 24 - Mon, Jan 13
8:25 am - 4:32 pmLHR-DCA
13h 07m1 stop
7:59 am - 5:55 amDCA-LHR
16h 56m1 stop
$851JetBlue
Find Deal
Mon, Nov 25 - Mon, Dec 2
8:25 am - 3:29 pmLHR-DCA
12h 04m1 stop
7:00 am - 5:55 amDCA-LHR
17h 55m1 stop
$890Icelandair
Find Deal
Tue, Nov 26 - Tue, Dec 3
6:40 am - 10:33 pmLHR-DCA
20h 53m2 stops
11:59 am - 9:20 amDCA-LHR
16h 21m2 stops
$1,041Scandinavian Airlines
Find Deal
Sat, Nov 23 - Sun, Nov 24
6:40 am - 10:33 pmLHR-DCA
20h 53m2 stops
6:30 am - 9:20 amDCA-LHR
21h 50m2 stops
$1,104Scandinavian Airlines
Find Deal
Sat, Nov 23 - Tue, Nov 26

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
Jan 14
LHR8:25 amLondon Heathrow
12h 35m
1 stop
DCA4:00 pmWashington, D.C. Reagan-National
Jan 20
DCA9:45 amWashington, D.C. Reagan-National
15h 10m
1 stop
LHR5:55 amLondon Heathrow
JetBlue
Jan 13
LHR7:25 amLondon Heathrow
18h 15m
1 stop
DCA8:40 pmWashington, D.C. Reagan-National
Jan 20
DCA9:45 amWashington, D.C. Reagan-National
15h 10m
1 stop
LHR5:55 amLondon Heathrow
JetBlue
Mar 24
LHR8:25 amLondon Heathrow
12h 05m
1 stop
DCA4:30 pmWashington, D.C. Reagan-National
Apr 2
DCA12:30 pmWashington, D.C. Reagan-National
12h 25m
1 stop
LHR5:55 amLondon Heathrow

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

Our best Icelandair deals on London Heathrow Airport to Washington, D.C. Reagan-National Airport flight tickets
Icelandair
Jan 14
LHR8:25 amLondon Heathrow
14h 36m
1 stop
DCA6:01 pmWashington, D.C. Reagan-National
Jan 22
DCA3:45 pmWashington, D.C. Reagan-National
9h 10m
1 stop
LHR5:55 amLondon Heathrow
Icelandair
Apr 21
LHR7:25 amLondon Heathrow
12h 15m
1 stop
DCA2:40 pmWashington, D.C. Reagan-National
May 5
DCA6:00 amWashington, D.C. Reagan-National
22h 30m
1 stop
LHR9:30 amLondon Heathrow
Icelandair
Jan 22
LHR8:25 amLondon Heathrow
14h 36m
1 stop
DCA6:01 pmWashington, D.C. Reagan-National
Jan 26
DCA1:00 pmWashington, D.C. Reagan-National
11h 55m
1 stop
LHR5:55 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 cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of February is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from London Heathrow Airport, with most prices found around $607. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $654.

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 $626. Flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $1,337. 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 evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as $0. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $1,390.

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

Most flyers found that booking tickets 58 days in advance of their planned departure date is the best time to get cheap flights to Washington, D.C. Reagan-National Airport. During this timeframe, flight prices are around $746. In the past 72 hours, momondo users found flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport for as low as $551.

Can stopping save me money on London Heathrow Airport to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 3% on your flight if you consider stops on a London Heathrow Airport to Washington, D.C. Reagan-National Airport flight.

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

As of November 2024, prices for London Heathrow Airport to Washington, D.C. Reagan-National Airport flights are approximately 49% 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

$427

Fastest flight time

11h 00m

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 $427. 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 $448.
The fastest flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport takes 11h 00m
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 11h 00m, 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.


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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