Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from £421
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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DCA
2 Jan — 9 Jan1
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
Cheap 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 3 December 2025.
Wed 10/1211:10LHR - DCA
2 stops15h 46mAir Canada
Mon 15/1211:05DCA - LHR
1 stop15h 05mAir Canada
Deal found 30/11£468
Mon 8/1213:25LHR - DCA
1 stop13h 31mAir Canada
Mon 15/1209:40DCA - LHR
1 stop17h 50mAir Canada
Deal found 1/12£470
Fri 12/1213:25LHR - DCA
1 stop31h 06mUnited Airlines
Tue 16/1206:00DCA - LHR
1 stop10h 20mUnited Airlines
Deal found 1/12£470
Wed 17/1212:00LHR - DCA
1 stop29h 19mUnited Airlines
Wed 7/115:30DCA - LHR
1 stop11h 25mUnited Airlines
Deal found 2/12£471
Thu 25/1209:00LHR - DCA
2 stops14h 05mAir Canada
Sat 14/216:15DCA - LHR
1 stop9h 55mAir Canada
Deal found 1/12£472
Wed 17/1212:00LHR - DCA
1 stop29h 19mAir Canada
Sun 11/112:55DCA - LHR
1 stop15h 25mAir Canada
Deal found 2/12£473
Wed 17/1212:00LHR - DCA
1 stop29h 19mAir Canada
Fri 9/111:05DCA - LHR
2 stops17h 15mAir Canada
Deal found 2/12£473
Sat 13/1213:25LHR - DCA
1 stop13h 31mUnited Airlines
Thu 8/120:10DCA - LHR
1 stop9h 55mUnited Airlines
Deal found 1/12£474
Wed 17/1212:00LHR - DCA
1 stop29h 19mAir Canada
Sat 10/106:00DCA - LHR
1 stop20h 10mAir Canada
Deal found 2/12£475
Wed 24/1210:15LHR - DCA
1 stop11h 20mBritish Airways
Thu 8/115:24DCA - LHR
1 stop11h 51mBritish Airways
Deal found 1/12£476
Sun 14/1213:25LHR - DCA
1 stop13h 31mAir Canada
Fri 9/116:10DCA - LHR
1 stop10h 00mAir Canada
Deal found 1/12£476
Wed 24/1213:25LHR - DCA
1 stop25h 56mAir Canada
Tue 6/111:05DCA - LHR
1 stop15h 05mAir Canada
Deal found 2/12£478
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 3 December 2025.
Sun 8/313:30LHR - DCA
1 stop12h 30mBritish Airways
Fri 20/306:06DCA - LHR
1 stop9h 54mBritish Airways
Deal found 1/12£467
Thu 5/315:35LHR - DCA
1 stop10h 54mBritish Airways
Sun 15/317:00DCA - LHR
1 stop9h 20mBritish Airways
Deal found 1/12£467
Fri 6/310:15LHR - DCA
1 stop11h 04mBritish Airways
Sun 15/316:45DCA - LHR
1 stop9h 45mBritish Airways
Deal found 1/12£467
Fri 6/310:15LHR - DCA
1 stop11h 04mBritish Airways
Tue 17/318:14DCA - LHR
1 stop8h 46mBritish Airways
Deal found 1/12£467
Sat 7/315:35LHR - DCA
1 stop11h 26mBritish Airways
Fri 20/316:23DCA - LHR
1 stop10h 07mBritish Airways
Deal found 1/12£467
Thu 5/310:15LHR - DCA
1 stop11h 04mBritish Airways
Wed 18/318:14DCA - LHR
1 stop8h 46mBritish Airways
Deal found 1/12£467
Sun 8/313:30LHR - DCA
1 stop12h 30mBritish Airways
Sat 14/317:59DCA - LHR
1 stop9h 01mBritish Airways
Deal found 1/12£467
Sun 8/313:30LHR - DCA
1 stop12h 30mBritish Airways
Thu 19/318:14DCA - LHR
1 stop8h 46mBritish Airways
Deal found 1/12£467
Thu 5/314:10LHR - DCA
1 stop12h 19mBritish Airways
Thu 19/318:14DCA - LHR
1 stop8h 46mBritish Airways
Deal found 1/12£467
Tue 10/314:10LHR - DCA
1 stop11h 20mBritish Airways
Fri 20/316:23DCA - LHR
1 stop10h 07mBritish Airways
Deal found 1/12£467
Sat 7/309:55LHR - DCA
1 stop12h 22mBritish Airways
Sun 15/317:00DCA - LHR
1 stop9h 20mBritish Airways
Deal found 1/12£467
Thu 5/310:15LHR - DCA
1 stop11h 04mBritish Airways
Mon 16/318:14DCA - LHR
1 stop8h 46mBritish Airways
Deal found 1/12£467
Last-minute flights from Heathrow to Reagan-National
Discover last-minute flight deals from Heathrow to Reagan-National. Data last updated 3 December 2025 and is based on user searches.
Mon 8/1213:25LHR - DCA
1 stop13h 31mAir Canada
Mon 15/1209:40DCA - LHR
1 stop17h 50mAir Canada
Deal found 1/12£470
Wed 10/1211:10LHR - DCA
2 stops15h 46mAir Canada
Mon 15/1211:05DCA - LHR
1 stop15h 05mAir Canada
Deal found 30/11£468
Fri 12/1213:25LHR - DCA
1 stop31h 06mUnited Airlines
Tue 16/1206:00DCA - LHR
1 stop10h 20mUnited Airlines
Deal found 1/12£470
Sat 13/1213:25LHR - DCA
1 stop13h 31mUnited Airlines
Thu 8/120:10DCA - LHR
1 stop9h 55mUnited Airlines
Deal found 1/12£474
Wed 17/1212:00LHR - DCA
1 stop29h 19mUnited Airlines
Wed 7/115:30DCA - LHR
1 stop11h 25mUnited Airlines
Deal found 2/12£471
Wed 17/1212:00LHR - DCA
1 stop29h 19mAir Canada
Fri 9/112:55DCA - LHR
1 stop15h 25mAir Canada
Deal found 2/12£473
Wed 17/1212:00LHR - DCA
1 stop29h 19mAir Canada
Sun 11/106:00DCA - LHR
2 stops22h 20mAir Canada
Deal found 2/12£475
Wed 24/1210:15LHR - DCA
1 stop11h 20mBritish Airways
Thu 8/115:24DCA - LHR
1 stop11h 51mBritish Airways
Deal found 1/12£476
Thu 25/1209:00LHR - DCA
2 stops14h 05mAir Canada
Tue 17/216:15DCA - LHR
1 stop9h 55mAir Canada
Deal found 1/12£472
Sat 10/109:10LHR - DCA
1 stop12h 26mUnited Airlines
Wed 14/120:10DCA - LHR
1 stop9h 55mUnited Airlines
Deal found 1/12£467
Thu 15/113:25LHR - DCA
1 stop13h 31mAir Canada
Thu 22/116:15DCA - LHR
1 stop9h 55mAir Canada
Deal found 1/12£469
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 3 December 2025.
Mon 9/309:00LHR - DCA
2 stops17h 35mAir Canada
Deal found 30/11£421
Thu 16/408:50LHR - DCA
2 stops16h 03mMultiple Airlines
Deal found 3/12£430
Mon 12/113:25LHR - DCA
1 stop13h 31mUnited Airlines
Deal found 3/12£431
Mon 12/109:00LHR - DCA
2 stops17h 56mAir Canada
Deal found 3/12£432
Sat 18/410:50LHR - DCA
2 stops16h 43mMultiple Airlines
Deal found 3/12£433
Wed 10/1212:20LHR - DCA
1 stop15h 39mJetBlue
Deal found 30/11£436
Fri 24/408:15LHR - DCA
1 stop19h 42mJetBlue
Deal found 3/12£436
Fri 16/106:50LHR - DCA
2 stops13h 43mAir Canada
Deal found 2/12£440
Mon 25/508:15LHR - DCA
1 stop19h 44mJetBlue
Deal found 2/12£441
Wed 24/1218:30LHR - DCA
2 stops28h 35mMultiple Airlines
Deal found 3/12£442
Tue 16/1207:25LHR - DCA
1 stop20h 34mJetBlue
Deal found 2/12£444
Find 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 3 December 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 3 December 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
Sun 8/3
13:30-22:00
1 stop12h 30m
Washington, D.C. Reagan-National
Fri 20/3
06:06-20:00
1 stop9h 54m
£467
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Thu 5/3
15:35-21:29
1 stop10h 54m
Washington, D.C. Reagan-National
Sun 15/3
17:00-06:20
1 stop9h 20m
£467
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Fri 6/3
10:15-16:19
1 stop11h 04m
Washington, D.C. Reagan-National
Sun 15/3
16:45-06:30
1 stop9h 45m
£467
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Fri 6/3
10:15-16:19
1 stop11h 04m
Washington, D.C. Reagan-National
Tue 17/3
18:14-07:00
1 stop8h 46m
£467
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Sat 7/3
15:35-22:01
1 stop11h 26m
Washington, D.C. Reagan-National
Fri 20/3
16:23-06:30
1 stop10h 07m
£467
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Thu 5/3
10:15-16:19
1 stop11h 04m
Washington, D.C. Reagan-National
Wed 18/3
18:14-07:00
1 stop8h 46m
£467
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Sun 8/3
13:30-22:00
1 stop12h 30m
Washington, D.C. Reagan-National
Sat 14/3
17:59-07:00
1 stop9h 01m
£467
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Sun 8/3
13:30-22:00
1 stop12h 30m
Washington, D.C. Reagan-National
Thu 19/3
18:14-07:00
1 stop8h 46m
£467
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Thu 5/3
14:10-21:29
1 stop12h 19m
Washington, D.C. Reagan-National
Thu 19/3
18:14-07:00
1 stop8h 46m
£467
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Tue 10/3
14:10-21:30
1 stop11h 20m
Washington, D.C. Reagan-National
Fri 20/3
16:23-06:30
1 stop10h 07m
£467
Flights are sorted by cheapest return flights first.
Deals found on 3/12
Showing 1-10 of 23 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 28 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 £369). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £515). 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 3 December 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 62% 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.
Philadelphia (PHL) is the most affordable one-stop option, with an average return flight price of £493.
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 3 December 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 12h 30m. Fly via British Airways 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 JetBlue is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at £418. Additional return tickets that might be worth considering are offered by United Airlines and Lufthansa, with the lowest prices starting at £424 and £424, respectively. Users have found that JetBlue is 30% 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 £369). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £515). 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 3 December 2025.
Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 3 December 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 3 December 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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