Flight Routes from Washington DC to London Heathrow

Trip type

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.

Outbound Return Airlines Shop Baggage Price
Best option
Washington DC
London Heathrow
Outbound
10/01/26
1 Stopover (JFK)
IB4806, IB4218
12h 26min
Return
10/11/26
1 Stopover (RDU)
AA0173, AA5404
12h 15min
Iberia ?
$849
Washington DC
London Heathrow
Outbound
10/01/26
1 Stopover (BOS)
B61854, B61620
27h 35min
Return
10/11/26
1 Stopover (JFK)
B62220, B60955
19h 44min
JetBlue Airways
$892
Washington DC
London Heathrow
Outbound
10/01/26
1 Stopover (BOS)
VS5320, VS4012
10h 30min
Return
10/11/26
1 Stopover (MIA)
AA6958, AA2648
16h 35min
Virgin Atlantic Airways ?
$945
Washington DC
London Heathrow
Outbound
10/01/26
1 Stopover (YOW)
UA8489, UA8043
12h 50min
Return
10/11/26
1 Stopover (YUL)
UA8035, UA8372
11h 10min
United Airlines
$968
Washington DC
London Heathrow
Outbound
10/01/26
1 Stopover (YOW)
UA8489, UA8043
12h 50min
Return
10/11/26
1 Stopover (YUL)
UA8297, UA8366
12h 45min
United Airlines
$975
Washington DC
London Heathrow
Outbound
10/01/26
1 Stopover (YOW)
AC8870, AC0888
12h 50min
Return
10/11/26
1 Stopover (YUL)
AC0867, AC8823
11h 10min
Air Canada ?
$983
Washington DC
London Heathrow
Outbound
10/01/26
1 Stopover (ORD)
AY4160, AY5536
11h 56min
Return
10/11/26
1 Stopover (JFK)
AY3775, AY4119
13h 47min
Finnair
$997
Washington DC
London Heathrow
Outbound
10/01/26
3 Stopovers (EWR, MCO, ORD)
UA3492, UA2215, BA4879, BA0298
42h 00min
Return
10/11/26
3 Stopovers (OTP, LHR, ORD)
BA0878, AA7192, AA0091, AA0514
33h 30min
United Airlines, British Airways ?
$1,166
Prices based on recent searches, subject to last-minute changes
Page 1 / 1

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 %
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 %

Important flight information

Flight information: Washington DC - London Heathrow

Roundtrip from $848.40
Flight duration min. 08:22
Distance 5887 km
Flights per week 1
Departure airport Airport Washington DC - Ronald Reagan National Airport, VA (DCA)
Arrival airport Airport London Heathrow (LHR)
Destination country Flights to United Kingdom
City-Code - Arrival airport Washington-DC - London Heathrow
Departure airport - Destination country Washington DC - Ronald Reagan National Airport, VA - United Kingdom
Departure airport - City-Code Washington DC - Ronald Reagan National Airport, VA - London
Alternative flights to London Heathrow
Flight destinations with a similar price
Flight destinations with a similar price