Find flights
When to book
Airlines
FAQs

Cheap flights from London to Washington, D.C. Reagan-National Airport from £379

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DCA
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Washington, D.C. Reagan-National are usually found in February or September, booked 63 days in advance, depart on a Thursday or Monday and return on a Wednesday

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 7 November 2025.

Round-trip from

£429

One-way from

£379

Popular in

December

Cheapest in

February

Average price

£515
Icelandair
  • Icelandair
  • 3/12-7/12
  • 2 total stops
  • 42h 36m total
  • London to Washington, D.C.
Search Deals
15/1
  • 15/1
  • 2 total stops
  • 14h 55m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from London to Reagan-National

Enter your travel dates to find the best prices.

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 7 November 2025.

Wed 3/1209:20LHR - DCA
1 stop11h 40mIcelandair
Sun 7/1218:59DCA - LHR
1 stop30h 56mIcelandair
Deal found 5/11£429
Wed 10/1212:20LHR - DCA
1 stop15h 39mJetBlue
Sun 14/1217:59DCA - LHR
1 stop31h 56mJetBlue
Deal found 5/11£434
Wed 10/1209:20LHR - DCA
1 stop31h 25mIcelandair
Sun 14/1217:59DCA - LHR
1 stop31h 56mIcelandair
Deal found 6/11£435
Fri 5/1209:20LHR - DCA
1 stop11h 40mJetBlue
Sun 7/1218:59DCA - LHR
1 stop30h 56mJetBlue
Deal found 6/11£444
Sat 6/1208:05LHR - DCA
1 stop19h 54mJetBlue
Tue 9/1206:00DCA - LHR
1 stop10h 40mJetBlue
Deal found 5/11£445
Fri 5/1209:20LHR - DCA
1 stop13h 44mJetBlue
Mon 8/1220:49DCA - LHR
1 stop29h 06mJetBlue
Deal found 7/11£445
Wed 3/1209:20LHR - DCA
1 stop15h 20mIcelandair
Sat 6/1219:55DCA - LHR
1 stop30h 00mIcelandair
Deal found 5/11£447
Wed 19/1107:25LHR - DCA
1 stop12h 11mJetBlue
Mon 24/1106:15DCA - LHR
1 stop9h 30mJetBlue
Deal found 5/11£450
Fri 21/1112:20LHR - DCA
1 stop15h 39mJetBlue
Mon 24/1117:43DCA - LHR
1 stop10h 47mJetBlue
Deal found 5/11£452
Thu 27/1107:25LHR - DCA
1 stop12h 34mIcelandair
Mon 1/1217:44DCA - LHR
1 stop10h 46mIcelandair
Deal found 7/11£454
Wed 19/1107:25LHR - DCA
1 stop12h 11mJetBlue
Wed 26/1117:44DCA - LHR
1 stop22h 56mJetBlue
Deal found 5/11£454
Sun 23/1111:20LGW - DCA
1 stop15h 39mAmerican Airlines
Mon 22/1211:56DCA - LGW
1 stop14h 34mAmerican Airlines
Deal found 7/11£499

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 7 November 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.

LHR - DCA

LHRDCA

London Heathrow

Mon 12/1

12:20-22:47

1 stop15h 27m

Washington, D.C. Reagan-National

Mon 2/2

13:00-06:55

1 stop12h 55m

£442

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 4/3

09:20-16:04

1 stop11h 44m

Washington, D.C. Reagan-National

Wed 11/3

06:00-21:40

1 stop11h 40m

£449

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 19/11

07:25-14:36

1 stop12h 11m

Washington, D.C. Reagan-National

Mon 24/11

06:15-20:45

1 stop9h 30m

£450

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 4/3

09:20-17:49

1 stop13h 29m

Washington, D.C. Reagan-National

Sun 8/3

20:59-06:55

1 stop29h 56m

£456

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 7/1

12:20-22:47

1 stop15h 27m

Washington, D.C. Reagan-National

Wed 28/1

06:15-21:40

1 stop10h 25m

£462

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 4/12

09:20-16:00

1 stop11h 40m

Washington, D.C. Reagan-National

Mon 8/12

12:30-06:55

1 stop13h 25m

£471

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 8/1

11:20-23:25

1 stop17h 05m

Washington, D.C. Reagan-National

Thu 22/1

13:44-09:00

1 stop14h 16m

£477

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 27/11

07:25-14:59

1 stop12h 34m

Washington, D.C. Reagan-National

Wed 3/12

06:00-21:40

1 stop10h 40m

£480

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 12/3

12:20-22:57

1 stop14h 37m

Washington, D.C. Reagan-National

Mon 16/3

15:55-06:55

1 stop11h 00m

£480

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 23/4

11:55-22:57

1 stop16h 02m

Washington, D.C. Reagan-National

Mon 27/4

06:05-20:45

1 stop9h 40m

£484

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 60 results
1
2
3
...
6

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 return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London 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 return flight from London to Reagan-National. Price data was last updated on 31 October 2025.

The price you pay for your flight from London to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 63 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 London to Washington, D.C. Reagan-National Airport?

Currently, January is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of £354). Flying from London to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £521). 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 LON to DCA?

Find hourly flight availability from London to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

It’s optimal to fly from London to Washington, D.C. Reagan-National Airport in the evening. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight at midday.

What’s the top stopover airport for flights from London to Washington, D.C. Reagan-National Airport?

Share of one-stop return flights from London to Washington, D.C. Reagan-National Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

New York (JFK) – chosen by Cheapflights users on 47% of one-stop itineraries from London to Washington, D.C. Reagan-National Airport on Cheapflights.

What’s the cheapest stopover airport for flights from London to Washington, D.C. Reagan-National Airport?

Average return fare for one-stop flights from London to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £435.

What’s the fastest stopover option from London to Washington, D.C. Reagan-National Airport?

Shortest average travel time for one-stop one-way flights from London to Washington, D.C. Reagan-National Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for one-stop routes: 10h 57m.

Which airport typically offers the quickest stopover for flights from London to Washington, D.C. Reagan-National Airport?

Average stopover duration for one-stop one-way flights from London to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average stopover time of 1h 25m.

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 7 November 2025.
Check out reviews from past customers who have flown with Finnair, JetBlue, andIcelandair from London to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,335 reviews
Check prices

Boarding

7.6

Crew

8.1

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,335 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Boarding

7.6

Crew

8.1

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
JetBlue
7.2
Good
2,907 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Boarding

7.6

Crew

8.1

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Icelandair
7.1
Good
572 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Boarding

7.6

Crew

8.1

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Lufthansa
6.8
Okay
7,558 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Boarding

7.6

Crew

8.1

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,500 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Boarding

7.6

Crew

8.1

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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.

  • How long is the flight from London to Washington, D.C. Reagan-National Airport?

    Airlines like JetBlue, American Airlines, and Delta fly from London to Washington, D.C. Reagan-National Airport in about 15h 27m. The time it takes to get you to your destination can typically vary by up to 15h 19m. Airlines will cover a distance of 3652 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London to Washington, D.C. Reagan-National Airport round-trip?

    Icelandair, at £372, was found to be the cheapest airline from London to Washington, D.C. Reagan-National Airport.Alternate airlines flying return to your destination include JetBlue and United Airlines. Icelandair is 36% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The most popular route from London to Washington, D.C. Reagan-National Airport is London Heathrow - Washington, D.C. Reagan-National. You may also consider London Gatwick - Washington, D.C. Reagan-National or London City - Washington, D.C. Reagan-National.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London to Washington, D.C. Reagan-National Airport (average of £354). Flying from London to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £521). 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

Travelling 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
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
Alexandria
College Park

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 for London to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
Heathrow to Baltimore flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
London City to Dulles Intl flights
Gatwick to Baltimore flights
Gatwick to Reagan-National flights
Stansted to Dulles Intl flights
Luton to Dulles Intl flights
London City to Reagan-National flights
London City to Baltimore flights
Luton to Baltimore flights
Edinburgh to Dulles Intl flights
Manchester to Dulles Intl flights
Manchester to Baltimore flights
Manchester to Reagan-National flights
Stansted to Baltimore flights
Edinburgh to Baltimore flights
Edinburgh to Reagan-National flights
Newcastle upon Tyne to Dulles Intl flights
Birmingham to Dulles Intl flights
Southend to Dulles Intl flights
Newcastle upon Tyne to Baltimore flights
Birmingham to Baltimore flights
Birmingham to Reagan-National flights
Bristol to Dulles Intl flights
Newcastle upon Tyne to Reagan-National flights
Exeter to Dulles Intl flights
Bristol to Baltimore flights
Southampton to Dulles Intl flights
Leeds to Dulles Intl flights
Leeds to Baltimore flights
Bristol to Reagan-National flights
Leeds to Reagan-National flights
Southampton to Baltimore flights
Newquay to Baltimore flights
Grimsby to Reagan-National flights
Southampton to Reagan-National flights
Grimsby to Baltimore flights
Norwich to Baltimore flights
Grimsby to Dulles Intl flights
Norwich to Reagan-National flights
Norwich to Dulles Intl flights
East Midlands to Baltimore flights
Doncaster to Dulles Intl flights
Doncaster to Baltimore flights
Liverpool to Baltimore flights

Top 8 airlines flying from London to Reagan-National

Discover the top 8 airlines that operate flights from London to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£372Average£530FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£390Average£630FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£429Average£649FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£429Average£692FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£445Average£621FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapest£491Average£657FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£498Average£666FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£509Average£631FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Reagan-National?

Deals for London to Reagan-National flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Reagan-National?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Reagan-National for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Reagan-National with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Reagan-National flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Reagan-National become cheaper?

Not ready to book yet? You can track prices for flights from London to Reagan-National on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.