$182 Cheap Flights from Washington, D.C. to London in 2023

Round-trip

1 adult

Economy

Direct flights only

Tue 6/13

Tue 6/20

Deals available from 900+ travel sites.

Flight information for Washington, D.C. to London
(WAS to LON)

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to London

Best Price Found	$182
Fastest flight time	6h 05m
Direct flights	Every day
Airports in London	3 airports

The best one-way flight to London from Washington, D.C. in the past 72 hours is $182. The best round-trip flight deal from Washington, D.C. to London found on momondo in the last 72 hours is $414.

The fastest flight from Washington, D.C. to London takes 6h 05m

Direct flights go from Washington, D.C. to London every day.

There are 3 airports near London: London Luton (LTN), London Heathrow (LHR), London Stansted (STN)

How to get the cheapest flight ticket from Washington, D.C. to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Washington, D.C. to London?

February. The cheapest time of year to fly to London from Washington, D.C. is February. Most expensive is July

What is the cheapest day to depart Washington, D.C. for London?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Saturday

When is the cheapest time to fly from Washington, D.C. to London?

In the afternoon. Washington, D.C. to London flights are approximately 11% more expensive in the morning than in the afternoon

What is the cheapest airline that flies to London from Washington, D.C.?

PLAY. Air France, Finnair, and Icelandair are the most popular carriers operating from Washington, D.C. to London

What is the cheapest Washington, D.C. to London flight route?

Baltimore/Washington - London Luton. Fly from Baltimore/Washington to London Luton for the best Washington, D.C. - London flight prices

How far in advance should you book Washington, D.C. to London flights?

60 days before. The cheapest time to buy a flight from Washington, D.C. to London is approximately 60 days to departure

How many flights depart from Washington, D.C. to London on average per day?

29 flights are operational weekly from Washington, D.C. to London as of June 2023. The most popular departure time for this route is 9:00PM, with 46% of flights per day taking off in the afternoon.

How many flights depart from Washington, D.C. to London on average per week?

As of June 2023, there are 204 flights per week flying from Washington, D.C. to London. The most common day of the week flights depart is Sunday, with 15% of flights taking off on this day.

What cabin class options are available on Washington, D.C. to London flights?

There are 4 cabin classes available to choose from on Washington, D.C. to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. to London flights?

You could potentially save up to 12% on your flight if you consider stops on a Washington, D.C. to London flight.

When you’re planning your trip from Washington, D.C. to London, the most popular airport-to-airport route is Washington, D.C. Dulles Intl Airport to London Heathrow Airport. If you are looking for an alternate airport near Washington, D.C. Dulles Intl Airport, Washington, D.C. Reagan-National Airport is a great option and is located in Washington, D.C.. If you are looking for alternate airports to fly into when traveling from Washington, D.C., you can try flying into London Gatwick Airport (in London), London Stansted Airport (in London), or London City Airport (in 15). The least expensive flight option from Washington, D.C. to London will typically be IAD — LTN during the month of June with an average price of $396 RT.

Washington, D.C. Dulles Intl Airport (IAD) to London Heathrow Airport (LHR)	$420	Search Flight Deals
Washington, D.C. Reagan-National Airport (DCA) to London Heathrow Airport (LHR)	$627	Search Flight Deals
Washington, D.C. Dulles Intl Airport (IAD) to London Gatwick Airport (LGW)	$413	Search Flight Deals
Washington, D.C. Dulles Intl Airport (IAD) to London Stansted Airport (STN)	$411	Search Flight Deals
Washington, D.C. Dulles Intl Airport (IAD) to London City Airport (LCY)	$663	Search Flight Deals
Washington, D.C. Reagan-National Airport (DCA) to London Gatwick Airport (LGW)	$618	Search Flight Deals

Easily compare round-trip flights from Washington, D.C. to London

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Washington, D.C. to London by changing tabs

Multiple Airlines

Nov 27

BWI1:10 pmBaltimore/Washington

15h 00m

1 stop

LTN4:10 amLondon Luton

Dec 7

LTN2:15 amLondon Luton

14h 45m

1 stop

BWI5:00 pmBaltimore/Washington

$408

Find similar

PLAY

Nov 12

IAD1:10 pmWashington, D.C. Dulles Intl

10h 25m

1 stop

STN11:35 pmLondon Stansted

Nov 16

STN5:35 amLondon Stansted

11h 25m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$419

Find similar

Scandinavian Airlines

Oct 23

IAD1:30 pmWashington, D.C. Dulles Intl

19h 10m

1 stop

LHR8:40 amLondon Heathrow

Nov 2

LHR4:30 pmLondon Heathrow

24h 15m

1 stop

IAD4:45 pmWashington, D.C. Dulles Intl

$419

Find similar

Norse Atlantic UK

Sep 25

IAD2:35 pmWashington, D.C. Dulles Intl

7h 20m

LGW9:55 pmLondon Gatwick

Nov 2

LGW11:00 amLondon Gatwick

8h 25m

IAD7:25 pmWashington, D.C. Dulles Intl

$492

Find similar

Icelandair

Oct 4

BWI4:35 pmBaltimore/Washington

10h 10m

1 stop

LGW2:45 amLondon Gatwick

Oct 12

LGW9:05 amLondon Gatwick

11h 20m

1 stop

BWI8:25 pmBaltimore/Washington

$547

Find similar

Delta

Aug 3

BWI12:45 pmBaltimore/Washington

14h 25m

2 stops

LGW3:10 amLondon Gatwick

Aug 29

LGW10:10 amLondon Gatwick

13h 39m

1 stop

BWI11:49 pmBaltimore/Washington

$608

Find similar

Find the cheapest one-way flights from Washington, D.C. to London

If you're looking for one-way flights from Washington, D.C. to London, view some of our deals below provided by Norse Atlantic UK and PLAY

Norse Atlantic UK

Oct 18

IAD2:35 pmWashington, D.C. Dulles Intl

7h 20m

LGW9:55 pmLondon Gatwick

$182

Find similar

PLAY

Aug 6

BWI2:50 pmBaltimore/Washington

10h 35m

1 stop

STN1:25 amLondon Stansted

$213

Find similar

Multiple Airlines

Jul 25

BWI11:31 amBaltimore/Washington

14h 09m

1 stop

LGW1:40 amLondon Gatwick

$238

Find similar

Search last-minute flights to London from Washington, D.C.

Find and compare round-trip flight prices for your last-minute flight from Washington, D.C. to London

Multiple Airlines

Jun 14

IAD5:30 pmWashington, D.C. Dulles Intl

16h 20m

2 stops

LGW9:50 amLondon Gatwick

Nov 29

LGW4:05 pmLondon Gatwick

22h 30m

2 stops

IAD2:35 pmWashington, D.C. Dulles Intl

$871

Find similar

Norse Atlantic UK

Jun 18

IAD4:25 pmWashington, D.C. Dulles Intl

7h 20m

LGW11:45 pmLondon Gatwick

Sep 3

LGW11:00 amLondon Gatwick

8h 20m

IAD7:20 pmWashington, D.C. Dulles Intl

$1,009

Find similar

PLAY

Jun 13

BWI2:50 pmBaltimore/Washington

10h 40m

1 stop

STN1:30 amLondon Stansted

Oct 10

STN7:35 amLondon Stansted

11h 05m

1 stop

BWI6:40 pmBaltimore/Washington

$1,062

Find similar

Aer Lingus

Jun 13

IAD6:20 pmWashington, D.C. Dulles Intl

12h 35m

1 stop

LHR6:55 amLondon Heathrow

Jun 23

LHR2:40 amLondon Heathrow

14h 00m

1 stop

IAD4:40 pmWashington, D.C. Dulles Intl

$1,065

Find similar

JetBlue

Jun 14

DCA8:30 amWashington, D.C. Reagan-National

13h 05m

1 stop

LGW9:35 pmLondon Gatwick

Nov 29

LGW7:10 amLondon Gatwick

11h 40m

1 stop

DCA6:50 pmWashington, D.C. Reagan-National

$1,141

Find similar

Icelandair

Jun 14

BWI4:35 pmBaltimore/Washington

10h 10m

1 stop

LGW2:45 amLondon Gatwick

Nov 29

LGW7:00 amLondon Gatwick

11h 30m

1 stop

BWI6:30 pmBaltimore/Washington

$1,166

Find similar

Best airlines flying from Washington, D.C. to London

Compare and see reviews for airlines that fly from Washington, D.C. to London with momondo

Airline	Rating	Free Cancellation	Price
PLAY	PriceFrom $335	Free Cancellation	Rating 0.0	Search PLAY flights
Icelandair	PriceFrom $369	Free Cancellation	Rating 7.4 109 reviews	Search Icelandair flights
Norse Atlantic UK	PriceFrom $391	Free Cancellation	Rating 0.0	Search Norse Atlantic UK flights
Scandinavian Airlines	PriceFrom $432	Free Cancellation	Rating 7.1 412 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom $455	Free Cancellation	Rating 7.2 349 reviews	Search TAP AIR PORTUGAL flights
Aer Lingus	PriceFrom $493	Free Cancellation	Rating 7.0 295 reviews	Search Aer Lingus flights
Delta	PriceFrom $520	Free Cancellation	Rating 7.8 1,285 reviews	Search Delta flights
Finnair	PriceFrom $546	Free Cancellation	Rating 7.7 342 reviews	Search Finnair flights
Virgin Atlantic	PriceFrom $547	Free Cancellation	Rating 7.6 258 reviews	Search Virgin Atlantic flights
Air France	PriceFrom $550	Free Cancellation	Rating 7.4 393 reviews	Search Air France flights

Delta Flights From Washington, D.C. to London
The lowest priced Delta flight from Washington, D.C. to London from the last 72 hours was $520. Generally, Delta has 7 flights on this route every week with an average price of $818. Delta is rated 7.8/10 by our users.
Singapore Airlines Flights From Washington, D.C. to London
Singapore Airlines (7.8/10 from 270 reviews) operates around 7 flights from Washington, D.C. to London in any given week. The average Singapore Airlines airfare for this route is around $766, with deals from around $592 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. to London flight searches in the last 72 hours.

Scandinavian Airlines flights from Washington, D.C. to London

Our best Scandinavian Airlines deals on Washington, D.C. to London flight tickets

Scandinavian Airlines

Oct 23

IAD1:30 pmWashington, D.C. Dulles Intl

19h 10m

1 stop

LHR8:40 amLondon Heathrow

Nov 2

LHR4:30 pmLondon Heathrow

24h 15m

1 stop

IAD4:45 pmWashington, D.C. Dulles Intl

$419

Find similar

Scandinavian Airlines

Oct 16

IAD1:30 pmWashington, D.C. Dulles Intl

17h 30m

1 stop

LHR7:00 amLondon Heathrow

Oct 23

LHR1:00 pmLondon Heathrow

27h 20m

1 stop

IAD4:20 pmWashington, D.C. Dulles Intl

$420

Find similar

Scandinavian Airlines

Oct 1

IAD1:30 pmWashington, D.C. Dulles Intl

23h 10m

1 stop

LHR12:40 pmLondon Heathrow

Oct 11

LHR5:55 amLondon Heathrow

34h 25m

1 stop

IAD4:20 pmWashington, D.C. Dulles Intl

$421

Find similar

Finnair flights from Washington, D.C. to London

Our best Finnair deals on Washington, D.C. to London flight tickets

Finnair

Sep 16

DCA3:45 pmWashington, D.C. Reagan-National

30h 45m

1 stop

LHR10:30 pmLondon Heathrow

Oct 3

LHR3:30 amLondon Heathrow

21h 04m

2 stops

DCA12:34 amWashington, D.C. Reagan-National

$634

Find similar

Finnair

Sep 10

DCA1:44 pmWashington, D.C. Reagan-National

21h 56m

2 stops

LHR11:40 amLondon Heathrow

Sep 26

LHR3:30 amLondon Heathrow

21h 04m

2 stops

DCA12:34 amWashington, D.C. Reagan-National

$636

Find similar

Finnair

Jun 14

DCA1:48 pmWashington, D.C. Reagan-National

11h 32m

1 stop

LHR1:20 amLondon Heathrow

Jun 21

LHR4:55 amLondon Heathrow

43h 26m

2 stops

DCA12:21 amWashington, D.C. Reagan-National

$1,942

Find similar

How far is Washington, D.C. to London by plane?
Washington, D.C. and London are 3662.3 mi apart from one another. A reasonable flight in good conditions will take 7h 05m.

Alternative routes for Washington, D.C. to London

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times

Washington, D.C. to Manchester Flights

Fastest flight time10h 00m

Cheapest price$484

Washington, D.C. to Birmingham Flights

Fastest flight time10h 05m

Cheapest price$630

Washington, D.C. to Bristol Flights

Fastest flight time9h 45m

Cheapest price$720

Similar Washington, D.C. to London flights

Flexible with your destination? Broaden your search and find flights similar to your Washington, D.C. to London route

Flights from Washington, D.C. to:

Flights to London from:

Other flights to London

Flights to other cities in United Kingdom

Lost the lust for London? Check out some flights to other cities in United Kingdom

FLIGHTS TO

Manchester

from$414

FLIGHTS TO

Edinburgh

from$409

FLIGHTS TO

Glasgow

from$398

FLIGHTS TO

Birmingham

from$427

FLIGHTS TO

Newcastle upon Tyne

from$647

FLIGHTS TO

Belfast

from$604

FLIGHTS TO

Bristol

from$614

FLIGHTS TO

Aberdeen

from$557

FLIGHTS TO

Liverpool

from$475

FLIGHTS TO

Inverness

from$546

FLIGHTS TO

Leeds

from$472

FLIGHTS TO

Cardiff

from$696

Popular momondo destinations

Explore popular destinations other users love to fly to year-round

Chicago to Dubai flights

Salt Lake City to New York flights

Singapore to Manila flights

Barcelona to London flights

Boston to Tampa flights

Chicago to Barcelona flights

New York to Montreal flights

Honolulu to Kailua-Kona flights

Atlanta to San Francisco flights

Los Angeles to Greece flights

New York to Amsterdam flights

Washington, D.C. to Lagos flights

Why use momondo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Washington, D.C..

momondo does allow users to show only those flights to London from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

Save money when you book flights with momondo

Flexible Travel

momondo understands the need for flexibility and we have a filter specifically for flights with no change fees.

Expert Insights

Data driven insights designed to help you find a great flight deal. From the cheapest time to depart to how far in advance to book.

Price Alerts

Track the price of your preferred flight route and be notified when it changes.

Search flight deals

Cheap flights from Washington, D.C. to London from $182

Flight information for Washington, D.C. to London(WAS to LON)

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to London

Best Price Found

Fastest flight time

Direct flights

Airports in London

How to get the cheapest flight ticket from Washington, D.C. to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Washington, D.C. to London?

February. The cheapest time of year to fly to London from Washington, D.C. is February. Most expensive is July

What is the cheapest day to depart Washington, D.C. for London?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Saturday

When is the cheapest time to fly from Washington, D.C. to London?

In the afternoon. Washington, D.C. to London flights are approximately 11% more expensive in the morning than in the afternoon

What is the cheapest airline that flies to London from Washington, D.C.?

PLAY. Air France, Finnair, and Icelandair are the most popular carriers operating from Washington, D.C. to London

What is the cheapest Washington, D.C. to London flight route?

Baltimore/Washington - London Luton. Fly from Baltimore/Washington to London Luton for the best Washington, D.C. - London flight prices

How far in advance should you book Washington, D.C. to London flights?

60 days before. The cheapest time to buy a flight from Washington, D.C. to London is approximately 60 days to departure

How many flights depart from Washington, D.C. to London on average per day?

29 flights are operational weekly from Washington, D.C. to London as of June 2023. The most popular departure time for this route is 9:00PM, with 46% of flights per day taking off in the afternoon.

How many flights depart from Washington, D.C. to London on average per week?

As of June 2023, there are 204 flights per week flying from Washington, D.C. to London. The most common day of the week flights depart is Sunday, with 15% of flights taking off on this day.

What cabin class options are available on Washington, D.C. to London flights?

There are 4 cabin classes available to choose from on Washington, D.C. to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. to London flights?

You could potentially save up to 12% on your flight if you consider stops on a Washington, D.C. to London flight.

Easily compare round-trip flights from Washington, D.C. to London

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Washington, D.C. to London by changing tabs

Find the cheapest one-way flights from Washington, D.C. to London

If you're looking for one-way flights from Washington, D.C. to London, view some of our deals below provided by Norse Atlantic UK and PLAY

Search last-minute flights to London from Washington, D.C.

Find and compare round-trip flight prices for your last-minute flight from Washington, D.C. to London

Best airlines flying from Washington, D.C. to London

Compare and see reviews for airlines that fly from Washington, D.C. to London with momondo

Delta Flights From Washington, D.C. to London

Singapore Airlines Flights From Washington, D.C. to London

Scandinavian Airlines flights from Washington, D.C. to London

Our best Scandinavian Airlines deals on Washington, D.C. to London flight tickets

Finnair flights from Washington, D.C. to London

Our best Finnair deals on Washington, D.C. to London flight tickets

How far is Washington, D.C. to London by plane?

Alternative routes for Washington, D.C. to London

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times

Similar Washington, D.C. to London flights

Flexible with your destination? Broaden your search and find flights similar to your Washington, D.C. to London route

Flights from Washington, D.C. to:

Flights from Washington, D.C. to Europe

Other flights from Washington, D.C.

Flights to London from:

Other flights to London

Flights to other cities in United Kingdom

Lost the lust for London? Check out some flights to other cities in United Kingdom

Popular momondo destinations

Explore popular destinations other users love to fly to year-round

Chicago to Dubai flights

Salt Lake City to New York flights

Singapore to Manila flights

Barcelona to London flights

Boston to Tampa flights

Chicago to Barcelona flights

New York to Montreal flights

Honolulu to Kailua-Kona flights

Atlanta to San Francisco flights

Los Angeles to Greece flights

New York to Amsterdam flights

Washington, D.C. to Lagos flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to London?

Can I find flights from Washington, D.C. to London with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to London?

I’m not ready to book a flight from Washington, D.C. to London right now. Can momondo alert me if prices change?

Flexible Travel

Expert Insights

Price Alerts

Flight information for Washington, D.C. to London
(WAS to LON)