$323+ Cheap flights from Reagan-National (DCA) to Heathrow (LHR)
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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LHR
Sep 20 — Sep 271
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Reagan-National to Heathrow with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Reagan-National to Heathrow
Cheapest
Best
Last-minute
One-way
Cheapest flights from Reagan-National to HeathrowExplore the most affordable flight options available from Reagan-National to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
Explore the most affordable flight options available from Reagan-National to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
This deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:30 am -
1 stop9h 15m
Mon 9/288:40 am -
1 stop11h 06m
Deal found 8/20![JetBlue logo]()
$745
This Mytrip deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:55 pm -
2 stops36h 00m
Fri 10/91:05 pm -
3 stops28h 04m
Deal found 8/19![Multiple Airlines logo]()
$754
This Expedia deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:45 pm -
2 stops43h 15m
Mon 11/2311:05 am -
2 stops33h 19m
Deal found 8/19![Multiple Airlines logo]()
$764
This Mytrip deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am -
3 stops24h 55m
Mon 10/199:25 pm -
2 stops30h 09m
Deal found 8/19![Multiple Airlines logo]()
$775
This Mytrip deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:00 am -
2 stops19h 55m
Mon 10/199:25 pm -
2 stops30h 09m
Deal found 8/20![Multiple Airlines logo]()
$778
This Mytrip deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:00 am -
3 stops33h 40m
Wed 9/98:25 pm -
2 stops31h 09m
Deal found 8/18![Multiple Airlines logo]()
$779
This Mytrip deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:00 am -
2 stops28h 20m
Mon 10/199:25 pm -
2 stops30h 09m
Deal found 8/16![Multiple Airlines logo]()
$780
This Trip.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:55 pm -
1 stop12h 35m
Tue 12/112:55 pm -
1 stop11h 20m
Deal found 8/16![Multiple Airlines logo]()
$798
This Trip.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:00 pm -
1 stop10h 10m
Tue 12/112:55 pm -
1 stop11h 20m
Deal found 8/16![Multiple Airlines logo]()
$801
This Trip.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:00 pm -
1 stop10h 10m
Tue 11/2410:35 am -
1 stop11h 44m
Deal found 8/18![Multiple Airlines logo]()
$803
Best flights from Reagan-National to HeathrowDiscover carefully curated flight deals from Reagan-National to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from Reagan-National to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:30 pm -
1 stop10h 20m
Fri 11/278:40 am -
2 stops16h 22m
Deal found 8/17![Delta logo]()
$866
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 am -
1 stop10h 35m
Tue 9/299:30 am -
1 stop11h 10m
Deal found 8/16![United Airlines logo]()
$888
This JetBlue deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:30 am -
1 stop9h 15m
Thu 9/248:40 am -
1 stop11h 06m
Deal found 8/20![JetBlue logo]()
$897
This KLM deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:05 pm -
1 stop10h 40m
Mon 10/53:50 pm -
1 stop12h 09m
Deal found 8/17![KLM logo]()
$945
This JetBlue deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:30 am -
1 stop9h 15m
Sun 9/1311:55 am -
1 stop16h 04m
Deal found 8/18![JetBlue logo]()
$897
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:50 pm -
1 stop11h 25m
Mon 10/56:30 am -
2 stops15h 08m
Deal found 8/17![Delta logo]()
$916
This JetBlue deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:30 am -
1 stop9h 15m
Tue 9/228:40 am -
1 stop13h 40m
Deal found 8/20![JetBlue logo]()
$897
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:47 pm -
1 stop12h 08m
Fri 9/2511:45 am -
2 stops16h 02m
Deal found 8/20![Delta logo]()
$917
This JetBlue deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:30 am -
1 stop9h 15m
Tue 10/208:40 am -
1 stop11h 10m
Deal found 8/18![JetBlue logo]()
$897
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:10 am -
1 stop15h 05m
Tue 9/224:20 pm -
1 stop11h 39m
Deal found 8/20![Delta logo]()
$946
This JetBlue deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:15 pm -
1 stop12h 15m
Sun 10/411:55 am -
1 stop16h 04m
Deal found 8/20![JetBlue logo]()
$897
This JetBlue deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:25 am -
1 stop9h 20m
Mon 11/2312:20 pm -
1 stop15h 32m
Deal found 8/19![JetBlue logo]()
$897
Last-minute flights from Reagan-National to HeathrowDiscover last-minute flight deals from Reagan-National to Heathrow. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to Heathrow. Data last updated August 21, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am -
3 stops24h 55m
Tue 9/159:25 pm -
2 stops30h 09m
Deal found 8/19![Multiple Airlines logo]()
$807
This Mytrip deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:00 am -
3 stops33h 40m
Wed 9/98:25 pm -
2 stops31h 09m
Deal found 8/18![Multiple Airlines logo]()
$779
This FlightHub deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:02 am -
2 stops22h 33m
Wed 9/167:50 pm -
2 stops32h 09m
Deal found 8/17![Scandinavian Airlines logo]()
$828
This Priceline deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:30 am -
1 stop22h 00m
Tue 10/612:30 pm -
1 stop11h 35m
Deal found 8/16![Multiple Airlines logo]()
$824
This deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:30 am -
1 stop9h 15m
Mon 9/288:40 am -
1 stop11h 06m
Deal found 8/20![JetBlue logo]()
$745
This Mytrip deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:59 am -
1 stop18h 36m
Mon 9/288:25 pm -
2 stops31h 09m
Deal found 8/17![Multiple Airlines logo]()
$843
This Rumbo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:10 am -
2 stops22h 25m
Mon 10/57:30 pm -
2 stops29h 29m
Deal found 8/16![Scandinavian Airlines logo]()
$836
This Justfly.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:10 am -
2 stops31h 40m
Wed 9/306:40 pm -
2 stops33h 19m
Deal found 8/17![Scandinavian Airlines logo]()
$844
This Priceline deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:30 am -
1 stop9h 15m
Wed 10/712:30 pm -
1 stop11h 35m
Deal found 8/18![Multiple Airlines logo]()
$820
This Mytrip deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:55 pm -
2 stops36h 00m
Fri 10/91:05 pm -
3 stops28h 04m
Deal found 8/19![Multiple Airlines logo]()
$754
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:10 am -
2 stops22h 25m
Mon 10/55:00 pm -
2 stops34h 00m
Deal found 8/20![Scandinavian Airlines logo]()
$834
This Expedia deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:30 am -
1 stop9h 15m
Wed 10/712:30 pm -
1 stop11h 35m
Deal found 8/16![Multiple Airlines logo]()
$818
One-way flights from Reagan-National to HeathrowSearch for one-way flight options from Reagan-National to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from Reagan-National to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This Super.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:30 am -
1 stop9h 15m
Deal found 8/17![JetBlue logo]()
$323
This Super.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:10 am -
1 stop9h 35m
Deal found 8/17![JetBlue logo]()
$324
This Expedia deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:25 pm -
1 stop11h 30m
Deal found 8/18![JetBlue logo]()
$325
This Cheapflightsfares deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:30 am -
1 stop9h 15m
Deal found 8/16![JetBlue logo]()
$326
This Justfly.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:05 am -
1 stop15h 05m
Deal found 8/17![Air Canada logo]()
$328
This JetBlue deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:30 am -
1 stop9h 15m
Deal found 8/17![JetBlue logo]()
$329
This Expedia deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:55 pm -
1 stop29h 00m
Deal found 8/18![JetBlue logo]()
$331
This Expedia deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:55 pm -
1 stop28h 35m
Deal found 8/17![JetBlue logo]()
$332
This Priceline deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:10 am -
1 stop22h 20m
Deal found 8/18![JetBlue logo]()
$335
This Jetabroad deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:30 am -
1 stop9h 15m
Deal found 8/17![JetBlue logo]()
$336
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:28 am -
1 stop14h 02m
Deal found 8/19![JetBlue logo]()
$339
Find flight deals from Reagan-National to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Heathrow (LHR). 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 August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $718 (Expedia) |
One-way from | $323 (Super.com) |
Popular in | June |
Cheapest in | November |
Average price | $944 |
Cheapflights Fare Finder
Customize your flight search to find flights from Reagan-National to Heathrow 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 7,457,451 searches. Data last updated August 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.London
DCA Washington, D.C. Reagan-National - LHR London Heathrow
DCALHR
Washington, D.C. Reagan-National
Wed 11/18
3:30 pm-6:50 am
1 stop10h 20m
London Heathrow
Fri 11/27
8:40 am-8:02 pm
2 stops16h 22m
$866
Washington, D.C.London
DCA Washington, D.C. Reagan-National - LHR London Heathrow
DCALHR
Washington, D.C. Reagan-National
Mon 9/21
6:00 am-9:35 pm
1 stop10h 35m
London Heathrow
Tue 9/29
9:30 am-3:40 pm
1 stop11h 10m
$888
Quickest round-trip
Washington, D.C.London
DCA Washington, D.C. Reagan-National - LHR London Heathrow
DCALHR
Washington, D.C. Reagan-National
Fri 9/11
6:30 am-8:45 pm
1 stop9h 15m
London Heathrow
Thu 9/24
8:40 am-2:46 pm
1 stop11h 06m
$897
Washington, D.C.London
DCA Washington, D.C. Reagan-National - LHR London Heathrow
DCALHR
Washington, D.C. Reagan-National
Sat 9/12
6:30 am-8:45 pm
1 stop9h 15m
London Heathrow
Sun 9/13
11:55 am-10:59 pm
1 stop16h 04m
$897
Washington, D.C.London
DCA Washington, D.C. Reagan-National - LHR London Heathrow
DCALHR
Washington, D.C. Reagan-National
Tue 9/15
6:30 am-8:45 pm
1 stop9h 15m
London Heathrow
Tue 9/22
8:40 am-5:20 pm
1 stop13h 40m
$897
Washington, D.C.London
DCA Washington, D.C. Reagan-National - LHR London Heathrow
DCALHR
Washington, D.C. Reagan-National
Sat 10/17
6:30 am-8:45 pm
1 stop9h 15m
London Heathrow
Tue 10/20
8:40 am-2:50 pm
1 stop11h 10m
$897
Washington, D.C.London
DCA Washington, D.C. Reagan-National - LHR London Heathrow
DCALHR
Washington, D.C. Reagan-National
Fri 10/2
1:15 pm-6:30 am
1 stop12h 15m
London Heathrow
Sun 10/4
11:55 am-10:59 pm
1 stop16h 04m
$897
Washington, D.C.London
DCA Washington, D.C. Reagan-National - LHR London Heathrow
DCALHR
Washington, D.C. Reagan-National
Mon 11/16
6:25 am-8:45 pm
1 stop9h 20m
London Heathrow
Mon 11/23
12:20 pm-10:52 pm
1 stop15h 32m
$897
Washington, D.C.London
DCA Washington, D.C. Reagan-National - LHR London Heathrow
DCALHR
Washington, D.C. Reagan-National
Wed 9/30
8:50 pm-1:15 pm
1 stop11h 25m
London Heathrow
Mon 10/5
6:30 am-4:38 pm
2 stops15h 08m
$916
Washington, D.C.London
DCA Washington, D.C. Reagan-National - LHR London Heathrow
DCALHR
Washington, D.C. Reagan-National
Thu 9/17
2:47 pm-7:55 am
1 stop12h 08m
London Heathrow
Fri 9/25
11:45 am-10:47 pm
2 stops16h 02m
$917
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Reagan-National to Heathrow
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Heathrow in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Reagan-National to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Reagan-National with our price prediction graph.
DCA-LHR
Estimated round-trip 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 Washington, D.C. Reagan-National Airport to London Heathrow Airport
Prices
More
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport (average of $644). Flying from Washington, D.C. Reagan-National Airport to London Heathrow Airport in June is currently the most expensive (average of $1,457). 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.
How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to London Heathrow Airport?
Airfare is below average for this route at the moment.
Washington, D.C. Reagan-National Airport to London Heathrow Airport flights typically cost between $770 and $1,083 in February.The cheapest round-trip price found within the last 5 days was $718 on Multiple Airlines (Feb 6-Feb 8).
What’s the top layover airport for flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport?
Share of 1-stop round-trip flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
New York (JFK) – chosen by Cheapflights users on 90% of 1-stop itineraries from Washington, D.C. Reagan-National Airport to London Heathrow Airport on Cheapflights.
What’s the cheapest layover airport for flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport?
Average round-trip fare for 1-stop flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Boston (BOS) is the most affordable 1-stop option, with an average round-trip price of $677.
What’s the fastest layover option from Washington, D.C. Reagan-National Airport to London Heathrow Airport?
Shortest average travel time for 1-stop one-way flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 9h 35m.
Which airport typically offers the quickest layover for flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport?
Average layover duration for 1-stop one-way flights from Washington, D.C. Reagan-National Airport to London Heathrow 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 layover time of 1h 46m.
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated August 21, 2026.
Read reviews from past customers who have flown United Airlines,Virgin Atlantic, andAmerican Airlines from Washington, D.C. Reagan-National Airport to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Entertainment
7.1
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Entertainment
7.1
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Entertainment
7.1
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Entertainment
7.1
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Entertainment
7.1
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Related info for your journey
Find useful and relevant information for your journey from Reagan-National to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Winchester
Gatwick
Hounslow
Wembley
Eastleigh
Harrow
Southend-on-Sea
Watford
Northampton
Dartford
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Heathrow flight routes
Other flight options
Other flights from Reagan-National
Popular flights
Alternative routes for Reagan-National to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Reagan-National to Heathrow by cabin class
Find flights from Reagan-National to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Reagan-National and Heathrow flights
Browse other Reagan-National and Heathrow flight options. Last updated on August 21, 2026.
Other flights from Reagan-National
Browse through other flights departing from Reagan-National. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Reagan-National to Heathrow
Discover the top 7 airlines that operate flights from Reagan-National to Heathrow. 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 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$577 | Average$887 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$626 | Average$891 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$644 | Average$928 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$655 | Average$903 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$656 | Average$776 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$683 | Average$902 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$724 | Average$1,023 | FlexibilityNo cancel fee | On-timeN/A |