What are the cheapest airlines flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport round-trip?

Flying on British Airways is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at £421. Additional return tickets that might be worth considering are offered by United Airlines and Virgin Atlantic, with the lowest prices starting at £440 and £441, respectively. Users have found that British Airways is 25% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

What are the most popular airlines that fly from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

The most popular airlines flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport are British Airways, Virgin Atlantic and American Airlines. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from LHR to DCA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport as you normally would.

Can I find deals for flights from Heathrow to Reagan-National that include hotel bookings?

Yes. In addition to deals on Heathrow to Reagan-National flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to Reagan-National?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Reagan-National.

Can I find deals for business class flights from Heathrow to Reagan-National?

Yes. Cheapflights offers flight deals from Heathrow to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£365+ Cheap Flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport

Cheap flight deals from Heathrow to Reagan-National

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Heathrow to Reagan-National
Explore the most affordable flight options available from Heathrow to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Mon 2/1108:40 -

2 stops19h 15m

Sun 8/1117:05 -

1 stop10h 00m

Deal found 30/9£409

Wed 18/1109:00 -

2 stops15h 58m

Wed 2/1211:05 -

1 stop15h 05m

Deal found 29/9£409

Thu 8/1010:45 -

1 stop12h 52m

Tue 13/1020:50 -

1 stop11h 25m

Deal found 30/9£411

Sat 31/1008:55 -

1 stop14h 37m

Thu 5/1112:27 -

1 stop14h 18m

Deal found 28/9£412

Sat 21/1106:50 -

2 stops13h 34m

Mon 30/1111:05 -

1 stop15h 05m

Deal found 29/9£412

Thu 12/1110:35 -

1 stop11h 44m

Sat 28/1115:59 -

1 stop9h 36m

Deal found 29/9£413

Sat 3/1016:20 -

1 stop11h 39m

Tue 6/1014:00 -

1 stop11h 25m

Deal found 26/9£414

Fri 20/1109:00 -

2 stops15h 58m

Sun 22/1116:00 -

2 stops14h 20m

Deal found 29/9£415

Wed 7/1008:40 -

2 stops19h 15m

Mon 12/1006:08 -

1 stop19h 37m

Deal found 27/9£416

Thu 15/1015:50 -

1 stop12h 05m

Sat 24/1017:05 -

1 stop10h 45m

Deal found 25/9£418

Mon 2/1106:50 -

2 stops13h 34m

Wed 11/1116:00 -

2 stops14h 20m

Deal found 26/9£418

Find flight deals from Heathrow to Reagan-National

Round-trip from	£409
One-way from	£365
Popular in	April
Cheapest in	February
Average price	£653

Virgin Atlantic
2/11-8/11
3 total stops
29h 15m total
London to Washington, D.C.

Search Deals

British Airways
23/12-31/12
1 total stop
12h 02m total
London to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£47 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Sun 24/1

11:40-19:09

1 stop12h 29m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Tue 19/1

16:30-23:59

1 stop12h 29m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£370

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Sat 21/11

13:10-17:19

1 stop33h 09m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£371

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Fri 13/11

12:20-22:15

1 stop14h 55m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£384

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Thu 26/11

06:30-17:37

2 stops16h 07m

Washington, D.C. Reagan-National

Mon 30/11

13:20-09:55

1 stop15h 35m

£421

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Wed 21/10

14:10-12:09

1 stop26h 59m

Washington, D.C. Reagan-National

Sun 25/10

07:00-21:20

1 stop10h 20m

£431

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Sun 13/12

11:40-19:13

1 stop12h 33m

Washington, D.C. Reagan-National

Thu 7/1

17:19-08:10

1 stop9h 51m

£434

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Sat 21/11

15:50-22:26

1 stop11h 36m

Washington, D.C. Reagan-National

Tue 12/1

17:00-08:05

1 stop10h 05m

£434

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Thu 15/10

16:20-22:55

1 stop11h 35m

Washington, D.C. Reagan-National

Sun 25/10

06:08-20:10

1 stop10h 02m

£434

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Mon 26/10

20:10-16:37

1 stop24h 27m

Washington, D.C. Reagan-National

Tue 3/11

17:05-08:35

1 stop10h 30m

£434

Flights are sorted by cheapest return flights first.

Deals found on 27/9

Showing 1-10 of 23 resultsSorted by cheapest first

Best time to book a flight from Heathrow to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Heathrow with our price prediction graph.

LHR-DCA

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport

What’s the top stopover airport for flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

Boston (BOS) – chosen by Cheapflights users on 38% of one-stop itineraries from London Heathrow Airport to Washington, D.C. Reagan-National Airport on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

New York (JFK) is the most affordable one-stop option, with an average return flight price of £497.

What’s the fastest stopover option from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

Flights via Newark (EWR) have the shortest average one-way travel time for one-stop routes: 11h 08m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

Flights via Newark (EWR) offer the fastest connection on this route, with an average stopover time of 1h 30m.

Reviews of airlines servicing Reagan-National

Read through reviews of airlines operating flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport, such as United Airlines,Virgin Atlantic, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,270 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

United Airlines

7.4

Good

10,270 reviews

United Airlines

7.4

Good

10,270 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Virgin Atlantic

7.4

Good

694 reviews

United Airlines

7.4

Good

10,270 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

JetBlue

7.1

Good

3,043 reviews

United Airlines

7.4

Good

10,270 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

American Airlines

7.0

Good

12,096 reviews

United Airlines

7.4

Good

10,270 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

British Airways

6.7

Okay

8,241 reviews

United Airlines

7.4

Good

10,270 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

How long is the flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport?
There are many flights that can get you from London Heathrow Airport to Washington, D.C. Reagan-National Airport in 12h 33m. Fly via Virgin Atlantic, United Airlines, or British Airways to get the fastest option. The distance between London Heathrow Airport and Washington, D.C. Reagan-National Airport is about 3652 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport round-trip?
Flying on British Airways is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at £421. Additional return tickets that might be worth considering are offered by United Airlines and Virgin Atlantic, with the lowest prices starting at £440 and £441, respectively. Users have found that British Airways is 25% cheaper than the other options available to this destination.
Can I find deals for flights from Heathrow to Reagan-National that include hotel bookings?
Yes. In addition to deals on Heathrow to Reagan-National flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Reagan-National.
Can I find deals for business class flights from Heathrow to Reagan-National?
Yes. Cheapflights offers flight deals from Heathrow to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 5 airlines flying from Heathrow to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£421	Average£499	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£440	Average£592	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Virgin Atlantic	Cheapest£441	Average£519	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
JetBlue	Cheapest£442	Average£551	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
American Airlines	Cheapest£551	Average£590	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

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How does Cheapflights help users find flights from Heathrow to Reagan-National?

Cheapflights makes it easy to find Heathrow to Reagan-National flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Reagan-National?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Reagan-National from Heathrow.

Can Cheapflights find flights from Heathrow to Reagan-National with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Reagan-National flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Reagan-National become cheaper?

Of course! You can now track prices for flights from Heathrow to Reagan-National and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from £365

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Reagan-National

Cheapest flights from Heathrow to Reagan-NationalExplore the most affordable flight options available from Heathrow to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Explore the most affordable flight options available from Heathrow to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Heathrow to Reagan-NationalDiscover carefully curated flight deals from Heathrow to Reagan-National that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Discover carefully curated flight deals from Heathrow to Reagan-National that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from Heathrow to Reagan-NationalDiscover last-minute flight deals from Heathrow to Reagan-National. Data last updated 30 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Reagan-National. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Heathrow to Reagan-NationalSearch for one-way flight options from Heathrow to Reagan-National. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Search for one-way flight options from Heathrow to Reagan-National. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Find flight deals from Heathrow to Reagan-National

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport that are best for you.

Best time to book a flight from Heathrow to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Heathrow with our price prediction graph.

Cheapflights Insights

What’s the top stopover airport for flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

Boston (BOS) – chosen by Cheapflights users on 38% of one-stop itineraries from London Heathrow Airport to Washington, D.C. Reagan-National Airport on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

New York (JFK) is the most affordable one-stop option, with an average return flight price of £497.

What’s the fastest stopover option from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

Flights via Newark (EWR) have the shortest average one-way travel time for one-stop routes: 11h 08m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

Flights via Newark (EWR) offer the fastest connection on this route, with an average stopover time of 1h 30m.

Reviews of airlines servicing Reagan-National

Read through reviews of airlines operating flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport, such as United Airlines,Virgin Atlantic, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

What are the cheapest airlines flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport round-trip?

Can I find deals for flights from Heathrow to Reagan-National that include hotel bookings?

How can I find direct flights from Heathrow to Reagan-National?

Can I find deals for business class flights from Heathrow to Reagan-National?

Travelling to a place near Washington, D.C. Reagan-National Airport?

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Alternative routes for Heathrow to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Reagan-National by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to District of Columbia

Book a non-stop flight to one of these other cities located in District of Columbia.

Search flights from Heathrow to Reagan-National by cabin class

Find flights from Heathrow to Reagan-National, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Reagan-National flights

Browse other Heathrow and Reagan-National flight options. Last updated on 30 September 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 30 September 2026.

Popular flight searches

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Other flights to Reagan-National

Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 September 2026.

Top 5 airlines flying from Heathrow to Reagan-National

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How does Cheapflights help users find flights from Heathrow to Reagan-National?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Reagan-National?

Can Cheapflights find flights from Heathrow to Reagan-National with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Reagan-National become cheaper?

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Cheapest flights from Heathrow to Reagan-National
Explore the most affordable flight options available from Heathrow to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Heathrow to Reagan-National
Discover carefully curated flight deals from Heathrow to Reagan-National that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from Heathrow to Reagan-National
Discover last-minute flight deals from Heathrow to Reagan-National. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Heathrow to Reagan-National
Search for one-way flight options from Heathrow to Reagan-National. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.