Flights from London to Washington DC

Search and find cheap flights from London to Washington DC (United States, North America)
Search and find cheap flights from London to Washington DC (United States, North America)

Looking for the best tickets for London to Washington DC?

Look no more. We’ve gone through the latest 66,506,171 fares to bring you all the insights you could possibly want.
Expect to pay
512 USD for flights from London to Washington DC leaving on 10/5/2017 and returning on 11/3/2017
Low 483 USD
512 USD
High 1,225 USD
Choose my own dates
Best time to book
Cheapest time to buy a ticket for London — Washington DC is approximately 51 days to departure.
Normally the best deals on London to Washington DC flights are available 2 to 4 months prior to departure.
Days before departure
Best month
Cheapest time of year to fly to Washington DC from London is February and May. Most expensive are July and December.
London to Washington DC flights are currently cheapest between October and November.
Impact on price
Cheapest airline
According to our data, Icelandair, WOW air and US Airways are the cheapest airlines to fly this route.
momondo users most frequently choose to fly from London to Washington DC with either Icelandair, WOW air or US Airways.
Impact on price (additional fees may apply)
Icelandair
+17%
WOW air
+26%
US Airways
+28%
Swiss International Air Lines
+29%
Aer Lingus
+33%
Delta Air Lines
+34%
Best time to fly
London to Washington DC flights are approximately 7% more expensive in the noon than in the evening.
Noon flights tend to be the most expensive.
Impact on price
Cheapest day
Sunday is normally the most expensive day to fly, whilst Thursday tends to be the cheapest.
Cheapest day of week is typically Thursday and the most expensive is typically Sunday.
Impact on price
Cheapest route
Fly Heathrow - R Reagan Nat for the best London to Washington DC flight prices saving up to 4% on average.
Heathrow - R Reagan Nat tends to be 4% cheaper than Gatwick - Dulles Intl.
momondo compares flights to Washington DC from London from 41 different sites.
Impact on price
Heathrow-R Reagan Nat
+10%
Heathrow-Baltimore
+16%
Heathrow-Dulles Intl
+18%
Gatwick-R Reagan Nat
+19%
Gatwick-Baltimore
+22%
Stansted-Dulles Intl
+23%
Direct flights
There are direct flights from London to Washington DC all week with a flight time of 8 hours 0 minutes.
Direct flights available: 169 PER WEEK
Popular non-direct routes for this connection are Heathrow - Dublin - Dulles Intl, Heathrow - Keflavik Intl - Dulles Intl and Heathrow - Frankfurt Intl - Dulles Intl.
Stop-off cities for indirect flights from London to Washington DC include Dublin, Keflavik Intl and Frankfurt Intl.
Direct flights available on
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

Get there quickly

Direct flights to Washington DC from London
Return trip
Dec 25 - Jan 1
712 USD
AmericanAirlines
LON LON
8h 30min
Direct
WAS WAS
WAS WAS
7h 4min
Direct
LON LON

Go right away

Last minute flights from London to Washington DC
Return trip
Jul 31 - Aug 30
655 USD
Travomint
LON LON
8h 5min
Direct
WAS WAS
WAS WAS
9h 40min
1 stop
LON LON
Return trip
Jul 29 - Aug 14
762 USD
CFFaregeekUK
LON LON
8h 5min
Direct
WAS WAS
WAS WAS
9h 30min
1 stop
LON LON
Return trip
Jul 26 - Jul 30
775 USD
CFFaregeekUK
LON LON
13h 35min
1 stop
WAS WAS
WAS WAS
11h 21min
1 stop
LON LON

Go for less - experience more

Cheap flights from London to Washington DC
Return trip
Aug 8 - Aug 21
579 USD
Travomint
LON LON
8h 10min
Direct
WAS WAS
WAS WAS
9h 18min
1 stop
LON LON
Return trip
Aug 8 - Aug 22
585 USD
Travomint
LON LON
8h 10min
Direct
WAS WAS
WAS WAS
9h 18min
1 stop
LON LON
Return trip
Aug 9 - Sep 20
595 USD
Travomint
LON LON
8h 0min
Direct
WAS WAS
WAS WAS
9h 19min
1 stop
LON LON

Coming or going?

Cheap flights from Washington DC to London
Return trip
Jul 25 - Nov 14
481 USD
EDreamsUS
WAS WAS
10h 45min
1 stop
LON LON
LON LON
10h 55min
1 stop
WAS WAS
Return trip
Jul 25 - Sep 30
509 USD
EDreamsUS
WAS WAS
10h 45min
1 stop
LON LON
LON LON
11h 10min
1 stop
WAS WAS
Return trip
Jul 25 - Oct 1
558 USD
EDreamsUS
WAS WAS
10h 45min
1 stop
LON LON
LON LON
11h 0min
1 stop
WAS WAS

Weather forecast for Washington DC

Going soon? Be prepared for the weather in Washington DC.

Wednesday, Wednesday, July 19, 2017

37°C
22°C

Thursday, Thursday, July 20, 2017

37°C
24°C

Friday, Friday, July 21, 2017

38°C
24°C

Saturday, Saturday, July 22, 2017

39°C
26°C

Sunday, Sunday, July 23, 2017

39°C
24°C

Monday, Monday, July 24, 2017

32°C
23°C

Tuesday, Tuesday, July 25, 2017

32°C
18°C

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

Compare the costs of everyday items in London and Washington DC
CAPPUCCINO
Regular
London
3.48 USD
-28%
Washington DC
4.44 USD
Cappuccino is 28% more expensive in Washington DC than London
MEAL
Inexpensive
London
19.89 USD
24%
Washington DC
15.19 USD
Meal is 24% cheaper in Washington DC than London
MILK
1 liter
London
4.54 USD
16%
Washington DC
3.83 USD
Milk is 16% cheaper in Washington DC than London
BUS
One-way ticket
London
3.32 USD
24%
Washington DC
2.53 USD
Bus is 24% cheaper in Washington DC than London
MOVIE THEATER
1 ticket
London
15.91 USD
17%
Washington DC
13.17 USD
movie theater is 17% cheaper in Washington DC than London
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