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$286+ Cheap flights from Reagan-National (DCA) to London (LON)

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LON
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
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The best prices from Washington, D.C. Reagan-National to London are usually found in February or October, booked 79 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Reagan-National to London

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to London (LON). 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 January 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$569
(Expedia)

One-way from

$293
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$708
Provider with most accurate pricing for Washington, D.C. Reagan-National-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-London (LON) flights.
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From Washington, D.C. Reagan-National to London (LON)
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One-way flight from Washington, D.C. Reagan-National to London (LON)
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High demand for flights, 14% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Reagan-National to London

Cheapest flights from Reagan-National to London
Explore the most affordable flight options available from Reagan-National to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2025.

This JetBlue deal was found by Cheapflights users on 1/19. 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.
Tue 10/147:00 pmDCA - LGW
1 stop9h 35mJetBlue
Wed 10/2212:10 pmLGW - DCA
1 stop11h 43mJetBlue
Deal found 1/19$559
This JetBlue deal was found by Cheapflights users on 1/20. 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 1/283:00 pmDCA - LHR
1 stop9h 55mJetBlue
Wed 2/58:25 amLHR - DCA
1 stop12h 35mJetBlue
Deal found 1/20$569
This Iberia deal was found by Cheapflights users on 1/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2712:55 pmDCA - LHR
1 stop12h 55mIberia
Tue 2/411:25 amLHR - DCA
2 stops16h 16mIberia
Deal found 1/20$601
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:49 pmDCA - LGW
1 stop9h 21mBritish Airways
Wed 5/73:05 pmLGW - DCA
1 stop13h 19mBritish Airways
Deal found 1/20$603
This oojo deal was found by Cheapflights users on 1/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1911:39 amDCA - LCY
2 stops19h 21mITA Airways
Sun 3/234:40 pmLCY - DCA
2 stops33h 48mITA Airways
Deal found 1/18$611
This Mytrip deal was found by Cheapflights users on 1/20. 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 3/56:00 amDCA - LGW
3 stops32h 40mMultiple Airlines
Tue 3/118:20 pmLGW - DCA
3 stops28h 40mMultiple Airlines
Deal found 1/20$611
This Mytrip deal was found by Cheapflights users on 1/20. 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 3/56:00 amDCA - STN
3 stops33h 55mMultiple Airlines
Tue 3/116:50 pmSTN - DCA
3 stops30h 10mMultiple Airlines
Deal found 1/20$611
This Booking.com deal was found by Cheapflights users on 1/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/199:40 amDCA - LHR
2 stops16h 30mAir Canada
Wed 2/266:50 amLHR - DCA
2 stops13h 39mAir Canada
Deal found 1/20$614
This Mytrip deal was found by Cheapflights users on 1/19. 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.
Wed 3/511:10 amDCA - LTN
3 stops28h 45mMultiple Airlines
Wed 3/128:20 amLTN - DCA
3 stops28h 37mMultiple Airlines
Deal found 1/19$616
This Expedia deal was found by Cheapflights users on 1/19. 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.
Tue 1/285:49 pmDCA - LHR
1 stop9h 21mBritish Airways
Mon 2/37:25 pmLHR - DCA
2 stops29h 34mBritish Airways
Deal found 1/19$617
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1710:09 amDCA - LGW
1 stop18h 51mAmerican Airlines
Tue 3/2511:20 amLGW - DCA
1 stop30h 39mAmerican Airlines
Deal found 1/20$629
This Air Canada deal was found by Cheapflights users on 1/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/124:10 pmDCA - LHR
1 stop11h 00mMultiple Airlines
Tue 3/186:30 amLHR - DCA
2 stops15h 37mMultiple Airlines
Deal found 1/19$636

Find flights from Reagan-National to London within your budget

Customize your flight search to find flights from Reagan-National to London 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 January 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 2/19

3:35 pm-5:55 am

1 stop9h 20m

London Heathrow

Wed 3/5

8:25 am-3:05 pm

1 stop11h 40m

$569

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 4/28

5:49 pm-8:10 am

1 stop9h 21m

London Gatwick

Wed 5/7

3:05 pm-11:24 pm

1 stop13h 19m

$603

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 3/5

1:15 pm-7:50 am

1 stop13h 35m

London Heathrow

Wed 3/12

6:15 am-7:13 pm

2 stops16h 58m

$604

Washington, D.C.London

DCA - LCY

DCALCY

Washington, D.C. Reagan-National

Wed 3/19

11:39 am-11:00 am

2 stops19h 21m

London City

Sun 3/23

4:40 pm-10:28 pm

2 stops33h 48m

$611

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 3/5

6:00 am-7:40 pm

3 stops32h 40m

London Gatwick

Tue 3/11

8:20 pm-9:00 pm

3 stops28h 40m

$611

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Wed 3/5

6:00 am-8:55 pm

3 stops33h 55m

London Stansted

Tue 3/11

6:50 pm-9:00 pm

3 stops30h 10m

$611

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 2/19

9:40 am-7:10 am

2 stops16h 30m

London Heathrow

Wed 2/26

6:50 am-3:29 pm

2 stops13h 39m

$614

Washington, D.C.London

DCA - LTN

DCALTN

Washington, D.C. Reagan-National

Wed 3/5

11:10 am-8:55 pm

3 stops28h 45m

London Luton

Wed 3/12

8:20 am-8:57 am

3 stops28h 37m

$616

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 3/17

10:09 am-9:00 am

1 stop18h 51m

London Gatwick

Tue 3/25

11:20 am-1:59 pm

1 stop30h 39m

$629

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 2/10

5:49 pm-8:40 am

1 stop9h 51m

London Heathrow

Mon 2/17

6:45 pm-4:26 pm

2 stops26h 41m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 56 results
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Compare providers for flights from Reagan-National to London

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 London in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-London 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 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 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 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 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 London

Have a flexible travel schedule? Discover the best time to fly to London from Reagan-National 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.

Travel insights for flights from Reagan-National to London

Get recent, data-driven insights about flights from Reagan-National to London including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to London. Price data was last updated on January 17, 2025.

The price you pay for your flight from Washington, D.C. Reagan-National Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to London (average of $661). Flying from Washington, D.C. Reagan-National Airport to London in June is currently the most expensive (average of $1,137). 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 DCA to LON?

Find hourly flight availability from Reagan-National to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 20, 2025.

It’s optimal to fly from Washington, D.C. Reagan-National Airport to London in the morning. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated January 20, 2025.
Get a feel of what it's like to fly with JetBlue, Air Canada and Iberia from Washington, D.C. to London by reading reviews from past customers. 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.
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LOT
7.6
Good
1,117 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to London. 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 Washington, D.C. Reagan-National Airport to London round-trip?

    Currently priced at $569, JetBlue will fly you from Washington, D.C. Reagan-National Airport to London and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and British Airways - these airlines can fly you to your destination from $602 and $603, respectively. JetBlue is 26% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $299 on JetBlue. Other airlines that offer cheap prices include Air Canada from $372 and United Airlines from $391 one-way.

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

    Most travelers choose Washington, D.C. Reagan-National - London Heathrow, Washington, D.C. Reagan-National - London Gatwick or Washington, D.C. Reagan-National - London City when deciding on the best route from Washington, D.C. Reagan-National Airport to London.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to London (average of $661). Flying from Washington, D.C. Reagan-National Airport to London in June is currently the most expensive (average of $1,137). 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

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Harrow
Luton
Wembley
Canterbury
Gatwick
Horley
Milton Keynes
Dover
Watford
Orpington
Croydon
Borehamwood
Bromley
Folkestone
Ilford
Aylesbury
Chelmsford

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Alternative routes for Reagan-National to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Reagan-National to London

Discover the top 8 airlines that operate flights from Reagan-National to London. 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 2,558,603 searches. Data last updated January 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$542Average$953FlexibilityNo cancel feeOn-time77%
DeltaCheapest$548Average$866FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$583Average$744FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$600Average$801FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$602Average$715FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$636Average$847FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$650Average$770FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$652Average$939FlexibilityNo cancel feeOn-time71%
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