Flights from Washington DC to London

Search and find cheap flights from Washington DC to London (United Kingdom, Europe)
Search and find cheap flights from Washington DC to London (United Kingdom, Europe)

Looking for the best tickets for Washington DC to London?

Look no more. We’ve gone through the latest 35,314,721 fares to bring you all the insights you could possibly want.
Best time to book
Cheapest time to buy a ticket for Washington DC — London is approximately 60 days to departure.
Normally the best deals on Washington DC to London flights are available 2 to 4 months prior to departure.
Days before departure
Best month
Cheapest time of year to fly to London from Washington DC is January and February. Most expensive are July and December.
Washington DC to London flights are currently cheapest between August and September.
Impact on price
Cheapest airline
According to our data, Turkish Airlines, WOW air and Icelandair are the cheapest airlines to fly this route.
momondo users most frequently choose to fly from Washington DC to London with either Turkish Airlines, WOW air or Icelandair.
Impact on price (additional fees may apply)
Turkish Airlines
+11%
WOW air
+11%
Icelandair
+22%
TAP Portugal
+30%
Aer Lingus
+31%
JetBlue Airways
+33%
Best time to fly
Washington DC to London flights are approximately 5% more expensive in the evening than in the noon.
Evening flights tend to be the most expensive.
Impact on price
Cheapest day
Sunday is normally the most expensive day to fly, whilst Wednesday tends to be the cheapest.
Cheapest day of week is typically Wednesday and the most expensive is typically Sunday.
Impact on price
Cheapest route
Fly R Reagan Nat - Heathrow for the best Washington DC to London flight prices saving up to 1% on average.
R Reagan Nat - Heathrow tends to be 1% cheaper than Dulles Intl - London City Airport.
momondo compares flights to London from Washington DC from 26 different sites.
Impact on price
R Reagan Nat-Heathrow
+2%
R Reagan Nat-Gatwick
+3%
Baltimore-Gatwick
+5%
Baltimore-Heathrow
+5%
Dulles Intl-Heathrow
+5%
Dulles Intl-Gatwick
+6%
Direct flights
There are direct flights from Washington DC to London all week with a flight time of 7 hours 0 minutes.
Direct flights available: 137 PER WEEK
Popular non-direct routes for this connection are Dulles Intl - Keflavik Intl - Gatwick, R Reagan Nat - Ottawa Intl - Heathrow and Baltimore - Keflavik Intl - Gatwick.
You can fly from Washington DC to London indirect via Keflavik Intl, Ottawa Intl or Copenhagen Airport.
Direct flights available on
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

Go right away

Last minute flights from Washington DC to London
Return trip
16 Aug - 26 Aug
900 CAD
DohopUS
WAS WAS
34h 25min
1 stop
LON LON
LON LON
25h 40min
1 stop
WAS WAS
Return trip
12 Jul - 23 Jul
959 CAD
DohopUS
WAS WAS
12h 40min
1 stop
LON LON
LON LON
40h 25min
1 stop
WAS WAS
Return trip
25 May - 2 Jun
1,183 CAD
JustAirTicketINT
WAS WAS
18h 15min
1 stop
LON LON
LON LON
15h 15min
1 stop
WAS WAS

Go for less - experience more

Cheap flights from Washington DC to London
Return trip
22 Jun - 27 Jun
820 CAD
Orbitz
WAS WAS
10h 45min
1 stop
LON LON
LON LON
11h 0min
1 stop
WAS WAS
Return trip
8 Aug - 13 Aug
938 CAD
DohopUS
WAS WAS
20h 30min
1 stop
LON LON
LON LON
25h 40min
1 stop
WAS WAS
Return trip
12 Jul - 23 Jul
959 CAD
DohopUS
WAS WAS
12h 40min
1 stop
LON LON
LON LON
40h 25min
1 stop
WAS WAS

Coming or going?

Cheap flights from London to Washington DC
Return trip
31 May - 2 Jun
998 CAD
CrystalTravelGB
LON LON
12h 30min
1 stop
WAS WAS
WAS WAS
17h 40min
1 stop
LON LON
Return trip
6 Jun - 8 Jun
998 CAD
CrystalTravelGB
LON LON
11h 25min
1 stop
WAS WAS
WAS WAS
22h 25min
1 stop
LON LON
Return trip
29 Jun - 2 Jul
1,144 CAD
WowAirGlobal
LON LON
11h 0min
1 stop
WAS WAS
WAS WAS
10h 55min
1 stop
LON LON

Weather forecast for London

Going soon? Be prepared for the weather in London.

So what's it going to cost once you're in London

Compare the costs of everyday items in Washington DC and London
CAPPUCCINO
Regular
Washington DC
6.11 CAD
24%
London
4.62 CAD
Cappuccino is 24% cheaper in London than Washington DC
MEAL
Inexpensive
Washington DC
20.68 CAD
-28%
London
26.44 CAD
Meal is 28% more expensive in London than Washington DC
MILK
1 liter
Washington DC
5.26 CAD
-14%
London
6 CAD
Milk is 14% more expensive in London than Washington DC
BUS
One-way ticket
Washington DC
3.79 CAD
-16%
London
4.41 CAD
Bus is 16% more expensive in London than Washington DC
MOVIE THEATER
1 ticket
Washington DC
17.92 CAD
-18%
London
21.15 CAD
movie theater is 18% more expensive in London than Washington DC
Feedback
Cookies
momondo.ca uses cookies
Read more