Flights from Washington DC to London Heathrow

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Our cheapest offers for flights from Washington DC to London Heathrow

Here you can compare cheap flights from Washington DC (DCA) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

Best option
Washington DC
London Heathrow
08/14/24
1 Stopover (EWR)
UA4167, UA0934
09h 40min
08/29/24
1 Stopover (YUL)
UA8297, UA8366
12h 44min
United Airlines ?
$546
Found several days ago
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Washington DC
London Heathrow
06/12/24
1 Stopover (ORD)
BA1865, BA1541
11h 10min
06/26/24
1 Stopover (ORD)
BA1546, BA5053
12h 35min
British Airways ?
$893
Found several days ago
 Check
Washington DC
London Heathrow
06/23/24
1 Stopover (JFK)
AY4254, AY4016
12h 20min
07/01/24
1 Stopover (JFK)
AY4017, AY4119
11h 04min
Finnair
$961
Found several days ago
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Washington DC
London Heathrow
06/30/24
1 Stopover (CLT)
BA6678, BA1597
09h 55min
07/15/24
1 Stopover (ORD)
BA0295, BA5168
13h 35min
British Airways ?
$1,013
Found several days ago
 Check
Washington DC
London Heathrow
06/12/24
1 Stopover (JFK)
AY4254, AY4016
12h 00min
06/29/24
1 Stopover (JFK)
AY4017, AY4119
11h 04min
Finnair
$1,139
Found several days ago
 Check
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Washington DC to London Heathrow

Favorite airline: United Airlines
The favorite airline for flights from Washington DC to London Heathrow is United Airlines.
United Airlines
31 %
Air Canada
23 %
Finnair
23 %
Tip: book 12 days before departure
If booked 12 days before travel, flights cost only $523.00.
12 days before departure
Cheapest weekday: Monday
The cheapest day of departure is Monday. You can save up to 49 % when you fly on these days of the week.
Favourite connection: via New York
Flights with a stopover in New York are the most popular connection for this route.
Route
bookings
1 stopover New York - John F. Kennedy International Airport, NY
10h 35min, from $608
40 %
1 stopover New York - Newark Liberty International Airport, NJ
09h 40min, from $546
30 %
1 stopover Toronto - Lester B. Pearson International Airport
32h 20min, from $637
20 %

Flight information: Washington DC - London Heathrow

Roundtrip from $545.69
Flight duration min. 08:22
Distance 5887 km
Flights per week 1
Departure airport Washington DC - Ronald Reagan National Airport, VA (DCA)
Arrival airport London Heathrow (LHR)
Destination country United Kingdom
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* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.