Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from £380
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
14 Dec — 21 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Washington, D.C. Reagan-National are usually found in January or March, booked 85 days in advance, depart on a Monday or Wednesday and return on a Monday
Find flight deals from Heathrow to Reagan-National
Enter your travel dates to find the best prices.
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 14 November 2025.
Sat 6/1208:05LHR - DCA
1 stop19h 54mJetBlue
Sat 13/1206:00DCA - LHR
1 stop11h 00mJetBlue
Deal found 13/11£451
Fri 5/1209:20LHR - DCA
1 stop13h 44mJetBlue
Thu 11/1213:45DCA - LHR
1 stop12h 10mJetBlue
Deal found 12/11£453
Thu 27/1109:20LHR - DCA
1 stop13h 40mJetBlue
Mon 1/1217:44DCA - LHR
1 stop22h 56mJetBlue
Deal found 13/11£462
Fri 28/1108:05LHR - DCA
1 stop11h 54mJetBlue
Tue 2/1206:00DCA - LHR
1 stop10h 40mJetBlue
Deal found 13/11£468
Thu 27/1112:20LHR - DCA
1 stop31h 39mJetBlue
Thu 4/1206:00DCA - LHR
1 stop10h 40mJetBlue
Deal found 12/11£469
Thu 4/1209:20LHR - DCA
1 stop13h 44mJetBlue
Sun 7/1206:00DCA - LHR
1 stop9h 45mJetBlue
Deal found 12/11£472
Wed 19/1112:20LHR - DCA
1 stop15h 39mJetBlue
Mon 24/1117:43DCA - LHR
1 stop10h 47mJetBlue
Deal found 12/11£473
Thu 27/1112:20LHR - DCA
1 stop31h 39mIcelandair
Thu 4/1206:00DCA - LHR
1 stop22h 30mIcelandair
Deal found 12/11£473
Mon 24/1109:20LHR - DCA
1 stop11h 50mJetBlue
Mon 8/1207:30DCA - LHR
1 stop18h 25mJetBlue
Deal found 13/11£482
Wed 3/1209:20LHR - DCA
1 stop13h 44mJetBlue
Sun 7/1206:00DCA - LHR
1 stop9h 45mJetBlue
Deal found 12/11£483
Tue 2/1209:20LHR - DCA
1 stop11h 40mJetBlue
Mon 15/1206:00DCA - LHR
1 stop22h 30mJetBlue
Deal found 12/11£485
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 14 November 2025.
Tue 24/209:20LHR - DCA
1 stop11h 44mJetBlue
Tue 10/306:00DCA - LHR
1 stop11h 40mJetBlue
Deal found 13/11£451
Wed 4/309:20LHR - DCA
1 stop13h 29mJetBlue
Wed 11/315:40DCA - LHR
1 stop11h 15mJetBlue
Deal found 13/11£451
Mon 4/508:25LHR - DCA
1 stop11h 15mJetBlue
Tue 12/515:59DCA - LHR
1 stop9h 31mJetBlue
Deal found 11/11£457
Tue 5/508:25LHR - DCA
1 stop12h 54mJetBlue
Tue 12/515:59DCA - LHR
1 stop9h 31mJetBlue
Deal found 11/11£457
Wed 15/408:25LHR - DCA
1 stop13h 34mJetBlue
Wed 29/406:30DCA - LHR
1 stop9h 15mJetBlue
Deal found 13/11£463
Tue 12/508:25LHR - DCA
1 stop11h 15mJetBlue
Mon 18/506:30DCA - LHR
1 stop9h 15mJetBlue
Deal found 11/11£468
Fri 16/112:20LHR - DCA
1 stop15h 27mJetBlue
Mon 9/206:15DCA - LHR
1 stop9h 30mJetBlue
Deal found 11/11£475
Thu 12/309:20LHR - DCA
1 stop13h 39mJetBlue
Mon 16/306:05DCA - LHR
1 stop10h 40mJetBlue
Deal found 12/11£482
Thu 8/112:20LHR - DCA
1 stop15h 27mJetBlue
Wed 14/106:15DCA - LHR
1 stop10h 25mJetBlue
Deal found 13/11£486
Thu 23/408:25LHR - DCA
1 stop13h 34mJetBlue
Mon 27/406:05DCA - LHR
1 stop9h 40mJetBlue
Deal found 11/11£486
Fri 28/1108:05LHR - DCA
1 stop11h 54mJetBlue
Thu 4/1206:00DCA - LHR
1 stop10h 40mJetBlue
Deal found 12/11£498
Last-minute flights from Heathrow to Reagan-National
Discover last-minute flight deals from Heathrow to Reagan-National. Data last updated 14 November 2025 and is based on user searches.
Tue 25/1107:25LHR - DCA
1 stop12h 34mJetBlue
Tue 2/1212:30DCA - LHR
1 stop13h 25mJetBlue
Deal found 11/11£457
Thu 27/1109:20LHR - DCA
1 stop13h 40mJetBlue
Mon 1/1217:44DCA - LHR
1 stop22h 56mJetBlue
Deal found 13/11£462
Fri 28/1108:05LHR - DCA
1 stop11h 54mJetBlue
Wed 3/1215:40DCA - LHR
1 stop10h 15mJetBlue
Deal found 11/11£460
Fri 28/1108:05LHR - DCA
1 stop11h 54mJetBlue
Tue 2/1206:00DCA - LHR
1 stop10h 40mJetBlue
Deal found 11/11£461
Tue 2/1207:25LHR - DCA
1 stop20h 33mJetBlue
Mon 8/1206:00DCA - LHR
1 stop9h 45mJetBlue
Deal found 11/11£438
Thu 4/1212:20LHR - DCA
1 stop15h 38mJetBlue
Tue 9/1206:00DCA - LHR
1 stop10h 40mJetBlue
Deal found 11/11£451
Fri 5/1209:20LHR - DCA
1 stop13h 44mJetBlue
Thu 11/1213:45DCA - LHR
1 stop12h 10mJetBlue
Deal found 12/11£453
Fri 5/1208:05LHR - DCA
1 stop19h 53mJetBlue
Sun 7/1220:49DCA - LHR
1 stop29h 06mJetBlue
Deal found 11/11£467
Sat 6/1208:05LHR - DCA
1 stop19h 54mJetBlue
Sat 13/1206:00DCA - LHR
1 stop11h 00mJetBlue
Deal found 13/11£451
Wed 10/1207:25LHR - DCA
1 stop20h 34mIcelandair
Sun 14/1206:00DCA - LHR
1 stop22h 30mIcelandair
Deal found 11/11£449
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 14 November 2025.
Thu 22/108:50LHR - DCA
2 stops15h 55mMultiple Airlines
Deal found 11/11£380
Fri 27/209:50LHR - DCA
2 stops15h 09mMultiple Airlines
Deal found 11/11£381
Sat 28/208:50LHR - DCA
2 stops16h 09mMultiple Airlines
Deal found 12/11£381
Sun 8/214:50LHR - DCA
3 stops36h 09mMultiple Airlines
Deal found 11/11£384
Sat 11/406:30LHR - DCA
2 stops16h 39mMultiple Airlines
Deal found 12/11£385
Wed 4/208:50LHR - DCA
2 stops16h 09mMultiple Airlines
Deal found 11/11£386
Thu 11/1209:20LHR - DCA
1 stop16h 43mJetBlue
Deal found 11/11£397
Mon 15/1206:00LHR - DCA
3 stops36h 06mMultiple Airlines
Deal found 12/11£397
Wed 10/1207:25LHR - DCA
1 stop20h 34mJetBlue
Deal found 11/11£400
Thu 4/1215:15LHR - DCA
3 stops49h 22mMultiple Airlines
Deal found 12/11£405
Cheap flight deals from Heathrow to Reagan-National
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 November 2025.
Customise your flight search to find flights from Heathrow to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 November 2025.
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
Heathrow
Fly to
Reagan-National
Route
Depart
Return
Price
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Tue 24/2
09:20-16:04
1 stop11h 44m
Washington, D.C. Reagan-National
Tue 10/3
06:00-21:40
1 stop11h 40m
£451
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Wed 4/3
09:20-17:49
1 stop13h 29m
Washington, D.C. Reagan-National
Wed 11/3
15:40-06:55
1 stop11h 15m
£451
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Mon 4/5
08:25-14:40
1 stop11h 15m
Washington, D.C. Reagan-National
Tue 12/5
15:59-06:30
1 stop9h 31m
£457
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Tue 5/5
08:25-16:19
1 stop12h 54m
Washington, D.C. Reagan-National
Tue 12/5
15:59-06:30
1 stop9h 31m
£457
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Wed 15/4
08:25-16:59
1 stop13h 34m
Washington, D.C. Reagan-National
Wed 29/4
06:30-20:45
1 stop9h 15m
£463
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Tue 12/5
08:25-14:40
1 stop11h 15m
Washington, D.C. Reagan-National
Mon 18/5
06:30-20:45
1 stop9h 15m
£468
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Fri 16/1
12:20-22:47
1 stop15h 27m
Washington, D.C. Reagan-National
Mon 9/2
06:15-20:45
1 stop9h 30m
£475
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Thu 12/3
09:20-18:59
1 stop13h 39m
Washington, D.C. Reagan-National
Mon 16/3
06:05-20:45
1 stop10h 40m
£482
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Thu 8/1
12:20-22:47
1 stop15h 27m
Washington, D.C. Reagan-National
Wed 14/1
06:15-21:40
1 stop10h 25m
£486
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Thu 23/4
08:25-16:59
1 stop13h 34m
Washington, D.C. Reagan-National
Mon 27/4
06:05-20:45
1 stop9h 40m
£486
Flights are sorted by cheapest return flights first.
Deals found on 11/11
Showing 1-10 of 20 results
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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.
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
Prices
More
How far ahead should I book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport?
Use this chart to determine the optimal time to book a return flight from Heathrow to Reagan-National. Price data was last updated on 7 November 2025.
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport (average of £372). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £520). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LHR to DCA?
Find hourly flight availability from Heathrow to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 November 2025.
When flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 30% versus a flight in the afternoon.
What’s the top stopover airport for flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport?
Share of one-stop return flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
New York (JFK) – chosen by Cheapflights users on 58% of one-stop itineraries from London Heathrow Airport to Washington, D.C. Reagan-National Airport on Cheapflights.
What’s the fastest stopover option from London Heathrow Airport to Washington, D.C. Reagan-National Airport?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Toronto (YYZ) have the shortest average one-way travel time for one-stop routes: 11h 04m.
What’s the fastest stopover option from London Heathrow Airport to Washington, D.C. Reagan-National Airport?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Toronto (YYZ) have the shortest average one-way travel time for one-stop routes: 11h 04m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Newark (EWR) offer the fastest connection on this route, with an average stopover time of 1h 27m.
Reviews of airlines servicing Reagan-National
Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated 14 November 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport, such as Finnair, Virgin Atlantic, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 11h 44m. Fly via JetBlue to get the fastest option. The distance between London Heathrow Airport and Washington, D.C. Reagan-National Airport is about 3652 mi.
What are the cheapest airlines flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport round-trip?
Flying on Icelandair is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at £371. Additional return tickets that might be worth considering are offered by JetBlue and United Airlines, with the lowest prices starting at £389 and £428, respectively. Users have found that Icelandair is 40% 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.
What is the cheapest month to book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport (average of £372). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £520). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 14 November 2025.
Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 14 November 2025.
Top 8 airlines flying from Heathrow to Reagan-National
Discover the top 8 airlines that operate flights from Heathrow to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 November 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
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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