What airlines fly to London?

British Airways, Iberia and United Airlines are the top three most popular airlines that fly to London from District of Columbia according to our data. British Airways is the first choice among our users, with 52% of people opting to fly with this airline when traveling to London. Keep in mind that there are 17 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

How many flights depart from District of Columbia to London on average per week?

As of December 2025, 166 flights take off from District of Columbia and land in London each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

What is the cheapest airline that flies from District of Columbia to London?

TAP AIR PORTUGAL, British Airways, and Austrian Airlines are the most popular carriers operating from District of Columbia to London

How many flights depart from District of Columbia to London on average per day?

As of December 2025, 23 flights take off from District of Columbia and land in London each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

When did momondo last update prices for flights from District of Columbia to London?

Prices for flights from District of Columbia to London are updated daily.

How many operators does momondo search for flights from District of Columbia to London?

The number of operators available for flights from District of Columbia to London is 15 as of December 2025.

How old do you have to be to fly from District of Columbia to London?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to London.

What documentation or ID do you need to fly to London?

The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$370 Cheap Flights from District of Columbia to London in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:50 pm - 7:25 pm

IAD

LGW

21h 35m2 stops

4:10 pm - 6:50 pm

LGW

IAD

31h 40m2 stops

$571Multiple Airlines

Mon, Jan 19 - Fri, Jan 23

8:20 pm - 4:25 pm

IAD

LHR

15h 05m2 stops

10:20 am - 4:50 pm

LHR

IAD

11h 30m1 stop

$571Scandinavian Airlines

Sun, Apr 19 - Sun, Apr 26

11:30 pm - 3:05 pm

IAD

LGW

11h 35m1 stop

11:00 am - 3:35 pm

LGW

IAD

32h 35m2 stops

$572TAP AIR PORTUGAL

Wed, Mar 18 - Mon, Mar 23

8:30 pm - 8:20 pm

IAD

LHR

18h 50m1 stop

1:05 pm - 7:20 pm

LHR

IAD

11h 15m1 stop

$572Icelandair

Thu, Apr 30 - Tue, May 5

8:30 pm - 8:20 pm

IAD

LHR

18h 50m1 stop

9:25 pm - 7:20 pm

LHR

IAD

26h 55m1 stop

$573Icelandair

Thu, Apr 30 - Thu, May 14

10:30 pm - 12:40 pm

IAD

LHR

33h 10m1 stop

8:15 am - 9:00 pm

LHR

IAD

17h 45m1 stop

$577TAP AIR PORTUGAL

Fri, Jan 16 - Fri, Jan 30

6:10 pm - 5:50 pm

IAD

LGW

42h 40m2 stops

6:40 pm - 3:30 pm

LGW

IAD

25h 50m1 stop

$578SWISS

Wed, Jan 7 - Wed, Jan 14

5:48 pm - 7:10 am

IAD

LHR

32h 22m1 stop

6:50 am - 4:24 pm

LHR

IAD

14h 34m2 stops

$580Air Canada

Mon, Dec 29 - Fri, Jan 16

12:55 pm - 9:20 am

DCA

LHR

15h 25m1 stop

9:00 am - 7:45 pm

LHR

DCA

15h 45m2 stops

$581Air Canada

Wed, Jan 14 - Wed, Jan 21

5:45 pm - 12:55 pm

IAD

LCY

14h 10m1 stop

9:20 am - 3:30 pm

LCY

IAD

35h 10m1 stop

$605SWISS

Wed, Jan 21 - Wed, Jan 28

Air Canada flights from District of Columbia to London

Our best Air Canada deals on District of Columbia to London flight tickets

Air Canada

Dec 29

IAD5:48 pmWashington, D.C. Dulles Intl

32h 22m

1 stop

LHR7:10 amLondon Heathrow

Jan 16

LHR6:50 amLondon Heathrow

14h 34m

2 stops

IAD4:24 pmWashington, D.C. Dulles Intl

$580

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Air Canada

Jan 11

DCA12:55 pmWashington, D.C. Reagan-National

15h 25m

1 stop

LHR9:20 amLondon Heathrow

Jan 18

LHR6:50 amLondon Heathrow

13h 43m

2 stops

DCA3:33 pmWashington, D.C. Reagan-National

$585

Find similar

Air Canada

Dec 30

DCA4:10 pmWashington, D.C. Reagan-National

10h 00m

1 stop

LHR7:10 amLondon Heathrow

Jan 9

LHR9:00 amLondon Heathrow

14h 05m

2 stops

DCA6:05 pmWashington, D.C. Reagan-National

$643

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Virgin Atlantic flights from District of Columbia to London

Our best Virgin Atlantic deals on District of Columbia to London flight tickets

Virgin Atlantic

Jan 8

IAD10:20 pmWashington, D.C. Dulles Intl

7h 30m

LHR10:50 amLondon Heathrow

Jan 14

LHR5:05 pmLondon Heathrow

28h 00m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$598

Find similar

Virgin Atlantic

Jan 26

IAD6:05 pmWashington, D.C. Dulles Intl

9h 45m

1 stop

LCY8:50 amLondon City

Feb 2

LCY10:00 amLondon City

11h 05m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$620

Find similar

Virgin Atlantic

Jan 26

IAD6:05 pmWashington, D.C. Dulles Intl

9h 45m

1 stop

LCY8:50 amLondon City

Feb 2

LCY10:00 amLondon City

11h 05m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$644

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 1/19

4:50 pm-7:25 pm

2 stops21h 35m

London Gatwick

Fri 1/23

4:10 pm-6:50 pm

2 stops31h 40m

$571

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-4:25 pm

2 stops15h 05m

London Heathrow

Sun 4/26

10:20 am-4:50 pm

1 stop11h 30m

$571

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 3/18

11:30 pm-3:05 pm

1 stop11h 35m

London Gatwick

Mon 3/23

11:00 am-3:35 pm

2 stops32h 35m

$572

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 4/30

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

Tue 5/5

1:05 pm-7:20 pm

1 stop11h 15m

$572

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 4/30

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

Thu 5/14

9:25 pm-7:20 pm

1 stop26h 55m

$573

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 1/16

10:30 pm-12:40 pm

1 stop33h 10m

London Heathrow

Fri 1/30

8:15 am-9:00 pm

1 stop17h 45m

$577

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 1/7

6:10 pm-5:50 pm

2 stops42h 40m

London Gatwick

Wed 1/14

6:40 pm-3:30 pm

1 stop25h 50m

$578

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 12/29

5:48 pm-7:10 am

1 stop32h 22m

London Heathrow

Fri 1/16

6:50 am-4:24 pm

2 stops14h 34m

$580

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 1/14

12:55 pm-9:20 am

1 stop15h 25m

London Heathrow

Wed 1/21

9:00 am-7:45 pm

2 stops15h 45m

$581

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 1/21

5:45 pm-12:55 pm

1 stop14h 10m

London City

Wed 1/28

9:20 am-3:30 pm

1 stop35h 10m

$605

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How to get the cheapest flight ticket from District of Columbia 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

Prices

Airlines

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from District of Columbia is in September. Flight prices, which tend to average around $623, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from District of Columbia averaging around $657.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from District of Columbia to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $760. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $897. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from District of Columbia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $811 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $811. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest District of Columbia to London flight route?

Fly from Washington, D.C. Dulles Intl to London Heathrow for the best District of Columbia - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $754 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from District of Columbia for as low as $705 on momondo.

What cabin class options are available on District of Columbia to London flights?

There are 4 cabin classes available to choose from on District of Columbia 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 District of Columbia to London flights?

You could potentially save up to 9% on your flight if you consider stops on a District of Columbia to London flight.

Cheap District of Columbia to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to London

Best Price Found	$422
Fastest flight time	7h 10m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from District of Columbia in the past 72 hours is $422. The best round-trip flight deal from District of Columbia to London found on momondo in the last 72 hours is $691.

The fastest flight from District of Columbia to London takes 7h 10m

Direct flights go from District of Columbia to London every day.

There are 6 airports in London. From District of Columbia there are direct flights to London Heathrow (LHR).

Search flight deals

When did momondo last update prices for flights from District of Columbia to London?
Prices for flights from District of Columbia to London are updated daily.
How many operators does momondo search for flights from District of Columbia to London?
The number of operators available for flights from District of Columbia to London is 15 as of December 2025.
How old do you have to be to fly from District of Columbia to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from District of Columbia to London?
momondo data reveals that the most frequently booked plane model on the route from District of Columbia to London is Boeing 777, representing 40.49% of all bookings. The subsequent popular models are Airbus A350-1000 at 12.24%, Boeing 767-400 at 9.82%, and Boeing 787-9 Dreamliner at 8.79%.

Best airlines flying from District of Columbia to London

Compare and see reviews for airlines that fly from District of Columbia to London with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $31	Free Cancellation	Rating 7.2 2,899 reviews	Search JetBlue flights
PLAY	PriceFrom $369	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
TAP AIR PORTUGAL	PriceFrom $395	Free Cancellation	Rating 7.1 2,089 reviews	Search TAP AIR PORTUGAL flights
Lufthansa	PriceFrom $397	Free Cancellation	Rating 6.8 7,626 reviews	Search Lufthansa flights
Scandinavian Airlines	PriceFrom $424	Free Cancellation	Rating 7.4 1,605 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $427	Free Cancellation	Rating 7.0 589 reviews	Search Icelandair flights
Virgin Atlantic	PriceFrom $497	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $497	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights
United Airlines	PriceFrom $506	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
KLM	PriceFrom $520	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Wembley

Romford

Watford

Ilford

Cobham

Folkestone

Uxbridge

Stansted

Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from District of Columbia to London. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from District of Columbia to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from District of Columbia with this policy.

How can momondo help me find flights from District of Columbia to London?

momondo helps you find the best flight between District of Columbia and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from District of Columbia to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from District of Columbia and alert you when they change.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to the United Kingdom

Cheap flights from District of Columbia to London from $370

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to London departing on 1/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from District of Columbia to London

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Cheap last minute flights

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Air Canada flights from District of Columbia to London

Our best Air Canada deals on District of Columbia to London flight tickets

Virgin Atlantic flights from District of Columbia to London

Our best Virgin Atlantic deals on District of Columbia to London flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to London that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from District of Columbia to London

What is the cheapest month to fly to London?

What is the cheapest day to depart on your flight to London?

What is the cheapest time of day to depart on your flight to London?

What is the cheapest District of Columbia to London flight route?

Fly from Washington, D.C. Dulles Intl to London Heathrow for the best District of Columbia - London flight prices

How far in advance should I book a flight to London?

What cabin class options are available on District of Columbia to London flights?

There are 4 cabin classes available to choose from on District of Columbia 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 District of Columbia to London flights?

You could potentially save up to 9% on your flight if you consider stops on a District of Columbia to London flight.

What is the cheapest airline that flies from District of Columbia to London?

TAP AIR PORTUGAL, British Airways, and Austrian Airlines are the most popular carriers operating from District of Columbia to London

What airlines fly to London?

How many flights depart from District of Columbia to London on average per day?

As of December 2025, 23 flights take off from District of Columbia and land in London each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

How many flights depart from District of Columbia to London on average per week?

As of December 2025, 166 flights take off from District of Columbia and land in London each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

Cheap District of Columbia to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to London

Best Price Found

Fastest flight time

Direct flights

Airports in London

When did momondo last update prices for flights from District of Columbia to London?

How many operators does momondo search for flights from District of Columbia to London?

How old do you have to be to fly from District of Columbia to London?

What documentation or ID do you need to fly to London?

What is the most popular plane model from District of Columbia to London?

Best airlines flying from District of Columbia to London

Compare and see reviews for airlines that fly from District of Columbia to London with momondo

Traveling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to London?

Can I find flights from District of Columbia to London with flexible booking policies on momondo?

How can momondo help me find flights from District of Columbia to London?

I’m not ready to book a flight from District of Columbia to London right now. Can momondo alert me if prices change?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London