Reagan-National

$430+ Cheap flights from London (LON) to Reagan-National (DCA)

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
Apr 20 — Apr 271
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Cheapflights Tip: The best prices from London to Washington, D.C. Reagan-National are usually found in February or January, booked 64 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from London to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$566
(The Travel House)

One-way from

$430
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$726
Provider with most accurate pricing for London (LON)-Washington, D.C. Reagan-National flight deals.
Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. Reagan-National flights.
From London (LON) to Washington, D.C. Reagan-National
One-way flight from London (LON) to Washington, D.C. Reagan-National
Highest demand for flights based on searches. 15% potential increase in price ($137 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from London to Reagan-National

Cheapest flights from London to Reagan-National
Explore the most affordable flight options available from London to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This The Travel House deal was found by Cheapflights users on 4/15. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:10 pmLGW - DCA
1 stop27h 59mIcelandair
Thu 10/211:30 amDCA - LGW
1 stop17h 05mIcelandair
Deal found 4/15$566
This The Travel House deal was found by Cheapflights users on 4/15. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:15 amLHR - DCA
1 stop19h 44mIcelandair
Mon 10/136:30 amDCA - LHR
1 stop9h 15mIcelandair
Deal found 4/15$606
This JetBlue deal was found by Cheapflights users on 4/14. 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 9/211:55 amLHR - DCA
1 stop16h 04mJetBlue
Tue 9/166:30 amDCA - LHR
1 stop9h 15mJetBlue
Deal found 4/14$608
This ChecknFly deal was found by Cheapflights users on 4/14. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/249:30 amLHR - DCA
1 stop17h 23mLufthansa
Sat 5/317:30 pmDCA - LHR
2 stops35h 20mLufthansa
Deal found 4/14$613
This Gotogate deal was found by Cheapflights users on 4/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:30 amLHR - DCA
2 stops15h 38mMultiple Airlines
Wed 4/3012:55 pmDCA - LHR
2 stops12h 35mMultiple Airlines
Deal found 4/14$640
This Trip.com deal was found by Cheapflights users on 4/14. 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 9/231:05 pmLGW - DCA
1 stop14h 14mMultiple Airlines
Fri 10/36:05 amDCA - LGW
1 stop19h 15mMultiple Airlines
Deal found 4/14$658
This Gotogate deal was found by Cheapflights users on 4/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/249:30 amLHR - DCA
1 stop10h 54mAir Canada
Wed 4/3012:55 pmDCA - LHR
1 stop14h 40mAir Canada
Deal found 4/14$676
This JetBlue deal was found by Cheapflights users on 4/14. 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 6/1612:10 pmLGW - DCA
1 stop11h 49mJetBlue
Tue 6/246:45 pmDCA - LGW
1 stop9h 50mJetBlue
Deal found 4/14$681
This Expedia deal was found by Cheapflights users on 4/15. 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.
Tue 5/133:05 pmLGW - DCA
1 stop12h 31mBritish Airways
Tue 5/206:35 amDCA - LGW
1 stop20h 35mBritish Airways
Deal found 4/15$701
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Thu 4/249:30 amLHR - DCA
1 stop10h 54mUnited Airlines
Wed 4/304:10 pmDCA - LHR
1 stop9h 20mUnited Airlines
Deal found 4/14$713
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/263:05 pmLGW - DCA
1 stop12h 56mAmerican Airlines
Sat 9/205:00 pmDCA - LGW
1 stop10h 10mAmerican Airlines
Deal found 4/15$720
This Orbitz deal was found by Cheapflights users on 4/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/213:00 pmLHR - DCA
1 stop12h 03mBritish Airways
Mon 4/286:05 pmDCA - LHR
1 stop10h 05mBritish Airways
Deal found 4/15$760

Cheapflights Fare Finder

Customize your flight search to find flights from London 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 2,558,603 searches. Data last updated April 15, 2025.
Use the filters below to find and compare flights from London to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

London

Fly to

Reagan-National

Route

Depart

Return

Price

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 9/25

12:10 pm-11:09 am

1 stop27h 59m

Washington, D.C. Reagan-National

Thu 10/2

11:30 am-9:35 am

1 stop17h 05m

$566

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 10/8

8:15 am-10:59 pm

1 stop19h 44m

Washington, D.C. Reagan-National

Mon 10/13

6:30 am-8:45 pm

1 stop9h 15m

$606

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 9/2

11:55 am-10:59 pm

1 stop16h 04m

Washington, D.C. Reagan-National

Tue 9/16

6:30 am-8:45 pm

1 stop9h 15m

$608

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 5/24

9:30 am-9:53 pm

1 stop17h 23m

Washington, D.C. Reagan-National

Sat 5/31

7:30 pm-11:50 am

2 stops35h 20m

$613

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 9/23

1:05 pm-10:19 pm

1 stop14h 14m

Washington, D.C. Reagan-National

Fri 10/3

6:05 am-6:20 am

1 stop19h 15m

$658

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 9/8

6:50 am-3:51 pm

2 stops14h 01m

Washington, D.C. Reagan-National

Mon 10/6

12:55 pm-6:30 am

1 stop12h 35m

$678

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Mon 6/16

12:10 pm-6:59 pm

1 stop11h 49m

Washington, D.C. Reagan-National

Tue 6/24

6:45 pm-9:35 am

1 stop9h 50m

$681

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 5/13

3:05 pm-10:36 pm

1 stop12h 31m

Washington, D.C. Reagan-National

Tue 5/20

6:35 am-8:10 am

1 stop20h 35m

$701

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 4/25

2:05 pm-10:19 am

1 stop25h 14m

Washington, D.C. Reagan-National

Fri 5/9

4:35 pm-10:00 am

1 stop12h 25m

$713

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 4/25

1:25 pm-7:59 pm

1 stop11h 34m

Washington, D.C. Reagan-National

Sun 5/11

6:35 am-9:40 pm

1 stop10h 05m

$714

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 50 results
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5
  • Most accurate provider: When it comes to deals on London-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Washington, D.C. Reagan-National 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 London-Washington, D.C. Reagan-National 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 London to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from London with our price prediction graph.
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 London to Washington, D.C. Reagan-National Airport

How far ahead should I book a flight from London to Washington, D.C. Reagan-National Airport?

Use this chart to determine the optimal time to book a round-trip flight from London to Reagan-National. Price data was last updated on April 11, 2025.

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Washington, D.C. Reagan-National Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of $278). Flying from London to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $345). 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.

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 April 15, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from London to Washington, D.C. to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good
8.0
Very good

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from London to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from London 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 $566. Additional round-trip tickets that might be worth considering are offered by JetBlue and Lufthansa, with the lowest prices starting at $608 and $613, respectively. Icelandair is 27% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London to Washington, D.C. Reagan-National Airport one-way?

    $481 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on JetBlue and Icelandair, with prices starting from $633 and $648, respectively.

  • What are the most popular routes from London to Washington, D.C. Reagan-National Airport?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 to Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of $278). Flying from London to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $345). 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.

See more FAQs

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