Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from £392
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 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
21 Dec — 28 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 21 November 2025.
Wed 10/1212:20LHR - DCA
1 stop15h 39mJetBlue
Mon 12/118:55DCA - LHR
1 stop31h 00mJetBlue
Deal found 18/11£476
Thu 4/1209:20LHR - DCA
1 stop11h 40mJetBlue
Tue 3/315:40DCA - LHR
1 stop10h 15mJetBlue
Deal found 20/11£483
Sat 6/1213:25LHR - DCA
1 stop25h 56mUnited Airlines
Sun 7/1216:20DCA - LHR
1 stop11h 05mUnited Airlines
Deal found 18/11£493
Wed 24/1212:30LHR - DCA
1 stop13h 02mVirgin Atlantic
Wed 31/1217:42DCA - LHR
1 stop12h 58mVirgin Atlantic
Deal found 19/11£501
Tue 23/1212:30LHR - DCA
1 stop13h 02mVirgin Atlantic
Tue 30/1217:35DCA - LHR
1 stop10h 10mVirgin Atlantic
Deal found 20/11£504
Fri 5/1209:20LHR - DCA
1 stop15h 20mJetBlue
Thu 11/1206:00DCA - LHR
1 stop10h 40mJetBlue
Deal found 20/11£506
Sun 21/1217:00LHR - DCA
1 stop10h 57mAmerican Airlines
Wed 14/114:48DCA - LHR
1 stop14h 22mAmerican Airlines
Deal found 18/11£513
Thu 4/1209:20LHR - DCA
1 stop11h 40mJetBlue
Sun 1/306:00DCA - LHR
1 stop9h 45mJetBlue
Deal found 20/11£513
Thu 18/1215:35LHR - DCA
1 stop11h 25mIberia
Wed 7/115:24DCA - LHR
1 stop11h 51mIberia
Deal found 20/11£516
Thu 4/1214:45LHR - DCA
1 stop12h 30mBritish Airways
Mon 8/1216:49DCA - LHR
1 stop10h 01mBritish Airways
Deal found 18/11£518
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 21 November 2025.
Tue 24/209:20LHR - DCA
1 stop14h 35mJetBlue
Tue 10/306:00DCA - LHR
1 stop11h 40mJetBlue
Deal found 19/11£464
Sat 13/1213:25LHR - DCA
1 stop25h 56mUnited Airlines
Sun 14/1216:20DCA - LHR
1 stop11h 05mUnited Airlines
Deal found 19/11£493
Sat 10/115:35LHR - DCA
1 stop11h 23mBritish Airways
Wed 21/117:45DCA - LHR
1 stop9h 25mBritish Airways
Deal found 20/11£506
Wed 14/109:20LHR - DCA
1 stop11h 59mJetBlue
Sun 18/113:00DCA - LHR
1 stop12h 55mJetBlue
Deal found 20/11£474
Fri 16/112:50LHR - DCA
1 stop14h 02mUnited Airlines
Sat 17/118:50DCA - LHR
1 stop30h 40mUnited Airlines
Deal found 20/11£502
Wed 7/117:00LHR - DCA
1 stop22h 03mBritish Airways
Wed 21/117:45DCA - LHR
1 stop9h 25mBritish Airways
Deal found 20/11£506
Thu 15/109:20LHR - DCA
1 stop13h 15mJetBlue
Mon 19/106:15DCA - LHR
1 stop9h 30mJetBlue
Deal found 20/11£474
Sat 10/115:35LHR - DCA
1 stop11h 23mBritish Airways
Sun 25/118:34DCA - LHR
1 stop9h 41mBritish Airways
Deal found 20/11£506
Fri 16/109:20LHR - DCA
1 stop13h 15mJetBlue
Mon 19/106:15DCA - LHR
1 stop9h 30mJetBlue
Deal found 20/11£474
Fri 9/115:35LHR - DCA
1 stop11h 28mBritish Airways
Sat 24/115:59DCA - LHR
1 stop9h 31mBritish Airways
Deal found 20/11£506
Thu 19/209:20LHR - DCA
1 stop11h 44mJetBlue
Thu 26/215:40DCA - LHR
1 stop10h 15mJetBlue
Deal found 20/11£475
Wed 14/109:20LHR - DCA
1 stop11h 59mJetBlue
Sat 17/106:15DCA - LHR
1 stop10h 45mJetBlue
Deal found 20/11£478
Last-minute flights from Heathrow to Reagan-National
Discover last-minute flight deals from Heathrow to Reagan-National. Data last updated 21 November 2025 and is based on user searches.
Wed 3/1209:20LHR - DCA
1 stop13h 44mJetBlue
Mon 15/1215:40DCA - LHR
1 stop10h 15mJetBlue
Deal found 19/11£523
Thu 4/1209:20LHR - DCA
1 stop11h 40mJetBlue
Tue 3/315:40DCA - LHR
1 stop10h 15mJetBlue
Deal found 20/11£483
Thu 4/1209:20LHR - DCA
1 stop11h 40mJetBlue
Sun 1/306:00DCA - LHR
1 stop9h 45mJetBlue
Deal found 20/11£513
Thu 4/1211:45LHR - DCA
1 stop13h 15mFinnair
Thu 8/113:59DCA - LHR
1 stop12h 01mFinnair
Deal found 20/11£516
Thu 4/1209:20LHR - DCA
1 stop11h 40mJetBlue
Sun 7/1206:00DCA - LHR
1 stop9h 45mJetBlue
Deal found 20/11£521
Fri 5/1209:20LHR - DCA
1 stop15h 20mJetBlue
Thu 11/1206:00DCA - LHR
1 stop10h 40mJetBlue
Deal found 20/11£506
Sat 13/1213:25LHR - DCA
1 stop25h 56mUnited Airlines
Sun 14/1216:20DCA - LHR
1 stop11h 05mUnited Airlines
Deal found 19/11£493
Thu 18/1215:35LHR - DCA
1 stop11h 25mIberia
Wed 7/115:24DCA - LHR
1 stop11h 51mIberia
Deal found 20/11£516
Tue 23/1212:30LHR - DCA
1 stop13h 02mVirgin Atlantic
Tue 30/1217:35DCA - LHR
1 stop10h 10mVirgin Atlantic
Deal found 20/11£504
Tue 23/1212:30LHR - DCA
1 stop13h 02mKLM
Tue 30/1207:00DCA - LHR
2 stops21h 00mKLM
Deal found 20/11£526
Wed 24/1212:30LHR - DCA
1 stop13h 02mVirgin Atlantic
Wed 31/1217:42DCA - LHR
1 stop12h 58mVirgin Atlantic
Deal found 19/11£501
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 21 November 2025.
Sat 14/309:50LHR - DCA
2 stops16h 45mMultiple Airlines
Deal found 19/11£392
Wed 21/106:50LHR - DCA
3 stops20h 13mMultiple Airlines
Deal found 18/11£393
Thu 22/114:50LHR - DCA
3 stops31h 10mMultiple Airlines
Deal found 18/11£396
Sun 15/209:20LHR - DCA
1 stop14h 39mJetBlue
Deal found 19/11£397
Sun 8/309:20LHR - DCA
1 stop13h 35mJetBlue
Deal found 19/11£398
Wed 10/1206:00LHR - DCA
3 stops44h 59mMultiple Airlines
Deal found 19/11£399
Mon 9/320:50LHR - DCA
3 stops26h 23mMultiple Airlines
Deal found 20/11£399
Mon 12/116:50LHR - DCA
1 stop21h 05mMultiple Airlines
Deal found 20/11£401
Wed 21/109:15LHR - DCA
2 stops29h 48mBritish Airways
Deal found 19/11£402
Thu 11/1215:15LHR - DCA
3 stops51h 15mMultiple Airlines
Deal found 18/11£402
Wed 7/106:00LHR - DCA
3 stops35h 05mMultiple Airlines
Deal found 19/11£405
Tue 10/309:00LHR - DCA
2 stops16h 58mMultiple Airlines
Deal found 18/11£407
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 21 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 21 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
09:20-18:55
1 stop14h 35m
Washington, D.C. Reagan-National
Tue 10/3
06:00-21:40
1 stop11h 40m
£464
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Wed 14/1
09:20-16:19
1 stop11h 59m
Washington, D.C. Reagan-National
Sun 18/1
13:00-06:55
1 stop12h 55m
£474
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Thu 15/1
09:20-17:35
1 stop13h 15m
Washington, D.C. Reagan-National
Mon 19/1
06:15-20:45
1 stop9h 30m
£474
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Fri 16/1
09:20-17:35
1 stop13h 15m
Washington, D.C. Reagan-National
Mon 19/1
06:15-20:45
1 stop9h 30m
£474
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Thu 19/2
09:20-16:04
1 stop11h 44m
Washington, D.C. Reagan-National
Thu 26/2
15:40-06:55
1 stop10h 15m
£475
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Wed 14/1
09:20-16:19
1 stop11h 59m
Washington, D.C. Reagan-National
Sat 17/1
06:15-22:00
1 stop10h 45m
£478
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Sat 13/12
13:25-10:21
1 stop25h 56m
Washington, D.C. Reagan-National
Sun 14/12
16:20-08:25
1 stop11h 05m
£493
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Fri 16/1
12:50-21:52
1 stop14h 02m
Washington, D.C. Reagan-National
Sat 17/1
18:50-06:30
1 stop30h 40m
£502
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Sat 10/1
15:35-21:58
1 stop11h 23m
Washington, D.C. Reagan-National
Wed 21/1
17:45-08:10
1 stop9h 25m
£506
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Wed 7/1
17:00-10:03
1 stop22h 03m
Washington, D.C. Reagan-National
Wed 21/1
17:45-08:10
1 stop9h 25m
£506
Flights are sorted by cheapest return flights first.
Deals found on 18/11
Showing 1-10 of 24 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 14 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 £376). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £523). 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 21 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.
How much does it cost for a return 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?
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 cheapest stopover airport for flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport?
Average return fare for one-stop flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £529.
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 21 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 14h 35m. 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 £374. Additional return tickets that might be worth considering are offered by JetBlue and United Airlines, with the lowest prices starting at £392 and £431, respectively. Users have found that Icelandair is 39% 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 £376). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £523). 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 21 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 21 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 21 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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