Cheap flights from Reagan National (DCA) to London (LON)

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How to find the cheapest flight from
Reagan National (DCA) to London (LON)

All the information you need to plan the best DCA to LON flight in 2021: compare Reagan National to London flight prices with the expected peak season, weather and rainfall in London.
DCA - LON
Price
$639 - $940
LON
Temperature
48.2 - 73.4 °F
LON
Rainfall
1.4 - 2.8 inches

Popular in

June

High demand for flights, 21% potential price rise

Cheapest in

October

Best time to find cheap flights, 14% potential price drop

Round-trip from

$639

From Reagan National to London

One-way from

$271

One-way flight from Reagan National to London

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Reagan National to London?

Find a great deal and save up to 44% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Reagan National to London within the next two weeks, with the cheapest ticket starting at $910.

What is the cheapest month to fly from Reagan National to London?

The best pricing can be found in the month of October. Prices to London from Reagan National average $714. You can even find prices in October for less than $714, as users have found deals to London from as low as $445. The month of July appears to be one of the more expensive times to travel to London from Reagan National. Flying in the targeted month can save you up to 31%.

Cheap flights from Reagan National to London in May, June 2021

The best prices found for DCA to LON flights for May, June
6 Jun - 7 Jun
$528pp
DCA
Washington Reagan-National
Iberia
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Iberia
   
2 STOPS
DCA
Washington Reagan-National
24 Jun - 25 Jun
$543pp
DCA
Washington Reagan-National
Iberia
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Iberia
   
2 STOPS
DCA
Washington Reagan-National
31 May - 15 Jun
$555pp
DCA
Washington Reagan-National
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
     
3 STOPS
DCA
Washington Reagan-National

Reagan National to London 2021 flight deals

Cheap flights to London from Reagan National found for this year
18 Sep - 19 Sep
$523pp
DCA
Washington Reagan-National
Finnair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Finnair
   
2 STOPS
DCA
Washington Reagan-National
6 Jun - 7 Jun
$528pp
DCA
Washington Reagan-National
Iberia
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Iberia
   
2 STOPS
DCA
Washington Reagan-National
18 Sep - 19 Sep
$543pp
DCA
Washington Reagan-National
Iberia
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Iberia
   
2 STOPS
DCA
Washington Reagan-National

Last minute flights from Reagan National to London

Late deals on round-trip flights to London from Reagan National, departing today and this week
16 May - 17 May
$837pp
DCA
Washington Reagan-National
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
DCA
Washington Reagan-National
17 May - 21 May
$845pp
DCA
Washington Reagan-National
Alitalia
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Alitalia
     
3 STOPS
DCA
Washington Reagan-National
19 May - 10 Jun
$849pp
DCA
Washington Reagan-National
United Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
United Airlines
   
2 STOPS
DCA
Washington Reagan-National

One-way flights to London from Reagan National

The cheapest one-way flights from Reagan National to London
7:30 am - 3:30 am
Iberia
1 Stop
15h 00m
DCA - LHR
Iberia
$272
SnapTravelAir
11:00 am - 2:20 am
Iberia
1 Stop
10h 20m
DCA - LHR
Iberia
$282
SnapTravelAir
11:00 am - 3:35 am
Multiple Airlines
2 Stops
35h 35m
DCA - STN
Multiple Airlines
$271
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Reagan National</span> to <span class="emphasized">London</span> flights.

Flight FAQs

From Reagan National to London

Are flight prices decreasing from Reagan National to London due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Reagan National and London for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Washington Reagan-National to London have flexible cancellations due to COVID-19?

United Airlines, American Airlines, and British Airways are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Reagan National to London for under $600 on Cheapflights?

Yes, there are multiple flights from Reagan National to London for under $600. The cheapest flight booked recently is on Finnair for just $523, but on average you can expect to pay $579.

Are there nonstop flights from Reagan National to London for under $500 on Cheapflights?

There are no nonstop flights from Reagan National to London, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Reagan National to London for under $900?

There are currently 20+ open flights from Reagan National to London within the next 7 days for less than $900.

Is Reagan National weather warmer or cooler than London?

You can imagine temperatures to be in the 90 °F range in July. The weather in London is generally colder than Reagan National's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from Reagan National to London?

Departing from Reagan National to London will take you 9h 35m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Reagan National to London round-trip?

According to our current data, Finnair ($523), Iberia ($528), and British Airways ($571) offers the cheapest pricing from Reagan National to London. Finnair is currently priced 29% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Reagan National to London one-way?

One-way options have recently been found by users for as low as $272 on Iberia.

Alternative routes for Reagan National to London

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for London

Things to know before you go - useful duration and weather info for your trip from Reagan National to London.
Today's exchange rate
$1 = £0.71
Average temperature for May in London
64.4 °F
Avg rainfall for May in London
2.0 ″

Airports servicing Washington

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Top 10 airlines flying from Reagan National to London

The chart below displays the airlines Cheapflights users traveling from Reagan National to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Virgin Atlantic
$367 $595 No cancel fee 72%
Lufthansa
$487 $682 No cancel fee 76%
Icelandair
$480 $703 No cancel fee 76%
Finnair
$605 $713 No cancel fee 76%
Air Canada
$501 $731 No cancel fee 67%
United Airlines
$437 $778 No cancel fee 69%
British Airways
$534 $795 No cancel fee 70%
Austrian Airlines
$577 $804 No cancel fee 78%
Delta
$536 $874 No cancel fee N/A
American Airlines
$469 $927 No cancel fee 71%
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