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$326+ Cheap flights from Reagan-National (DCA) to the United Kingdom

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LHR
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Reagan-National to United Kingdom

Cheapest flights from Reagan-National to United Kingdom
Explore the most affordable flight options available from Reagan-National to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Mytrip deal was found by Cheapflights users on 12/11. 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.
Tue 12/304:10 pmDCA - LHR
1 stop10h 00mMultiple Airlines
Wed 1/146:50 amLHR - DCA
2 stops13h 41mMultiple Airlines
Deal found 12/11$599
This Air Canada deal was found by Cheapflights users on 12/10. 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.
Tue 12/3011:05 amDCA - LHR
1 stop15h 05mAir Canada
Wed 1/146:50 amLHR - DCA
2 stops13h 41mAir Canada
Deal found 12/10$611
This KLM deal was found by Cheapflights users on 12/10. 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 12/312:25 pmDCA - MAN
2 stops14h 45mMultiple Airlines
Wed 1/141:30 pmMAN - DCA
1 stop13h 04mMultiple Airlines
Deal found 12/10$623
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/296:00 pmDCA - LHR
1 stop32h 55mUnited Airlines
Fri 1/91:25 pmLHR - DCA
1 stop31h 06mUnited Airlines
Deal found 12/10$624
This KLM deal was found by Cheapflights users on 12/10. 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 12/315:35 pmDCA - MAN
2 stops14h 10mKLM
Wed 1/1410:25 amMAN - DCA
2 stops15h 07mKLM
Deal found 12/10$628
This FlightHub deal was found by Cheapflights users on 12/11. 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.
Wed 12/3111:05 amDCA - LHR
1 stop15h 05mAir Canada
Wed 1/1412:00 pmLHR - DCA
1 stop29h 19mAir Canada
Deal found 12/11$637
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Tue 12/304:10 pmDCA - LHR
1 stop10h 00mUnited Airlines
Wed 1/141:25 pmLHR - DCA
1 stop13h 31mUnited Airlines
Deal found 12/10$640
This Air Canada deal was found by Cheapflights users on 12/10. 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.
Tue 12/304:10 pmDCA - LHR
1 stop10h 00mAir Canada
Fri 1/99:00 amLHR - DCA
2 stops14h 05mAir Canada
Deal found 12/10$643
This JetBlue deal was found by Cheapflights users on 12/10. 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 12/294:45 pmDCA - LHR
1 stop9h 10mJetBlue
Tue 1/139:20 amLHR - DCA
1 stop11h 59mJetBlue
Deal found 12/10$653
This oojo deal was found by Cheapflights users on 12/11. 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.
Tue 12/308:20 amDCA - LGW
1 stop18h 10mBritish Airways
Tue 1/1311:20 amLGW - DCA
1 stop17h 05mBritish Airways
Deal found 12/11$677
This Delta deal was found by Cheapflights users on 12/11. 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 12/317:00 amDCA - MAN
1 stop18h 40mDelta
Wed 1/141:30 pmMAN - DCA
1 stop14h 03mDelta
Deal found 12/11$681
This oojo deal was found by Cheapflights users on 12/11. 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.
Tue 12/301:44 pmDCA - LHR
1 stop11h 51mBritish Airways
Wed 1/77:25 pmLHR - DCA
2 stops31h 05mBritish Airways
Deal found 12/11$685

Find flight deals from Reagan-National to United Kingdom

Keep the following information in mind while searching for Reagan-National to United Kingdom flight deals. Data was last updated December 12, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$574
(Mytrip)

One-way from

$326
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$977
Provider with most accurate pricing for Washington, D.C. (WAS)-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London (LON) flights.
Search Deals
From Washington, D.C. Reagan-National to United Kingdom
Search Deals
One-way flight from Washington, D.C. Reagan-National to United Kingdom
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to United Kingdom 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 December 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to the United Kingdom that are best for you.

Fly from

Reagan-National

Fly to

United Kingdom

Route

Depart

Return

Price

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Mon 1/26

11:05 am-11:55 pm

3 stops31h 50m

London Stansted

Mon 2/2

3:40 pm-3:33 pm

3 stops28h 53m

$574

Washington, D.C.London

DCA - LTN

DCALTN

Washington, D.C. Reagan-National

Mon 2/23

4:15 pm-8:10 pm

2 stops22h 55m

London Luton

Mon 3/2

8:50 pm-3:33 pm

3 stops23h 43m

$578

Washington, D.C.London

DCA - LTN

DCALTN

Washington, D.C. Reagan-National

Wed 3/18

4:15 pm-7:25 pm

2 stops23h 10m

London Luton

Tue 3/24

8:50 pm-9:58 pm

3 stops29h 08m

$580

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Tue 2/10

6:00 am-1:50 pm

3 stops26h 50m

London Stansted

Tue 2/17

8:25 pm-9:58 pm

3 stops30h 33m

$596

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Wed 1/28

4:15 pm-2:10 pm

2 stops16h 55m

London Stansted

Mon 2/2

4:45 pm-3:33 pm

3 stops27h 48m

$598

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 2/22

11:06 am-9:20 am

2 stops17h 14m

London Heathrow

Mon 3/23

6:40 am-10:36 pm

2 stops19h 56m

$601

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 3/11

11:00 am-9:20 am

2 stops18h 20m

London Heathrow

Tue 3/17

7:30 pm-10:36 pm

2 stops31h 06m

$601

Washington, D.C.Manchester

DCA - MAN

DCAMAN

Washington, D.C. Reagan-National

Sun 1/11

3:30 pm-8:50 am

2 stops12h 20m

Manchester

Tue 1/27

9:40 am-6:54 pm

2 stops14h 14m

$615

Washington, D.C.Manchester

DCA - MAN

DCAMAN

Washington, D.C. Reagan-National

Tue 2/17

12:20 pm-10:30 am

1 stop17h 10m

Manchester

Sun 2/22

10:25 am-10:09 pm

1 stop16h 44m

$622

Washington, D.C.Manchester

DCA - MAN

DCAMAN

Washington, D.C. Reagan-National

Thu 2/5

12:20 pm-10:30 am

1 stop17h 10m

Manchester

Sun 2/8

1:00 pm-10:48 pm

1 stop14h 48m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 60 results
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Best time to book a flight from Reagan-National to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to the United Kingdom

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to United Kingdom (average of $31). Flying from Washington, D.C. Reagan-National Airport to United Kingdom in December is currently the most expensive (average of $730). 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 GB?

Find hourly flight availability from Reagan-National to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to United Kingdom in the afternoon. Doing so could potentially save you 22% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to United Kingdom?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to United Kingdom. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to United Kingdom flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated December 12, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and JetBlue from Washington, D.C. Reagan-National Airport to the United Kingdom. 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.
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
JetBlue
7.2
Good
2,899 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Iberia
7.0
Good
3,045 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
British Airways
6.7
Okay
7,571 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

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

    Airlines like Scandinavian Airlines, British Airways, and Delta fly from Washington, D.C. Reagan-National Airport to United Kingdom in about 12h 20m. The time it takes to get you to your destination can typically vary by up to 4h 54m. There are 3541 mi between Washington, D.C. Reagan-National Airport and United Kingdom. Both multi-stop and nonstop flights can be found to your destination and back.

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

    While some choose either Washington, D.C. Reagan-National - London Gatwick or Washington, D.C. Reagan-National - London Luton, Washington, D.C. Reagan-National - London Heathrow is the most popular route from Washington, D.C. Reagan-National Airport to United Kingdom.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to United Kingdom 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 United Kingdom?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to United Kingdom (average of $31). Flying from Washington, D.C. Reagan-National Airport to United Kingdom in December is currently the most expensive (average of $730). 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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Alternative routes for Reagan-National to United Kingdom

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 United Kingdom

Discover the top 8 airlines that operate flights from Reagan-National to United Kingdom. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$31Average$872FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$497Average$949FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$497Average$909FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$529Average$746FlexibilityNo cancel feeOn-time70%
DeltaCheapest$558Average$764FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$562Average$686FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$598Average$791FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$632Average$698FlexibilityNo cancel feeOn-time67%

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