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.

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

TAP AIR PORTUGAL, JetBlue, and Scandinavian 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 October 2025, 24 flights take off from District of Columbia and land in London each day. The most common flight departure time for this route is 10:00PM, with 76% of daily flights taking off in the evening.

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

As of October 2025, 171 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.

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 16 as of October 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.

$245 Cheap Flights from District of Columbia to London in 2025/26

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One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:30 pm - 4:00 pmIAD-LHR

22h 30m2 stops

6:40 pm - 6:50 pmLHR-IAD

29h 10m1 stop

$553Scandinavian Airlines

Find Deal

Sun, Jan 18 - Fri, Jan 23

12:11 pm - 4:00 pmIAD-LHR

22h 49m2 stops

6:40 pm - 5:15 pmLHR-IAD

27h 35m1 stop

$555Scandinavian Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

6:05 pm - 8:05 amIAD-LHR

10h 00m1 stop

8:50 am - 3:35 pmLHR-IAD

11h 45m1 stop

$556Aer Lingus

Find Deal

Wed, Oct 29 - Wed, Nov 5

6:05 pm - 9:05 amIAD-LHR

11h 00m1 stop

7:50 am - 4:35 pmLHR-IAD

12h 45m1 stop

$557Aer Lingus

Find Deal

Sun, Oct 26 - Wed, Oct 29

10:30 pm - 9:35 pmIAD-LHR

18h 05m1 stop

6:00 am - 3:15 pmLHR-IAD

14h 15m1 stop

$559TAP AIR PORTUGAL

Find Deal

Fri, Nov 28 - Sat, Dec 6

9:45 am - 3:45 pmIAD-LGW

25h 00m2 stops

4:00 pm - 3:50 pmLGW-IAD

28h 50m2 stops

$559Multiple Airlines

Find Deal

Sun, Nov 16 - Wed, Nov 19

9:45 am - 7:25 pmIAD-LTN

28h 40m2 stops

8:50 pm - 3:50 pmLTN-IAD

24h 00m2 stops

$559Multiple Airlines

Find Deal

Wed, Jan 14 - Tue, Jan 20

7:40 pm - 10:55 amIAD-LGW

10h 15m1 stop

11:55 am - 6:30 pmLGW-IAD

11h 35m1 stop

$560Icelandair

Find Deal

Thu, Nov 13 - Sat, Nov 22

7:40 pm - 7:30 pmIAD-LHR

18h 50m1 stop

8:35 pm - 6:30 pmLHR-IAD

26h 55m1 stop

$560Icelandair

Find Deal

Sun, Dec 7 - Mon, Dec 22

5:30 pm - 3:50 pmIAD-LGW

17h 20m1 stop

4:35 pm - 9:00 pmLGW-IAD

33h 25m1 stop

$561TAP AIR PORTUGAL

Find Deal

Thu, Jan 15 - Tue, Jan 20

SWISS flights from District of Columbia to London

Our best SWISS deals on District of Columbia to London flight tickets

SWISS

Nov 2

IAD8:30 pmWashington, D.C. Dulles Intl

14h 50m

1 stop

LHR4:20 pmLondon Heathrow

Nov 11

LHR6:00 amLondon Heathrow

15h 40m

1 stop

IAD4:40 pmWashington, D.C. Dulles Intl

$575

Find similar

SWISS

Dec 29

IAD8:30 pmWashington, D.C. Dulles Intl

15h 35m

1 stop

LCY5:05 pmLondon City

Jan 7

LCY5:45 pmLondon City

27h 55m

1 stop

IAD4:40 pmWashington, D.C. Dulles Intl

$577

Find similar

SWISS

Nov 16

IAD8:30 pmWashington, D.C. Dulles Intl

16h 20m

1 stop

LGW5:50 pmLondon Gatwick

Nov 24

LGW6:40 pmLondon Gatwick

27h 00m

1 stop

IAD4:40 pmWashington, D.C. Dulles Intl

$591

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Iberia flights from District of Columbia to London

Our best Iberia deals on District of Columbia to London flight tickets

Iberia

Jan 28

IAD6:20 pmWashington, D.C. Dulles Intl

7h 10m

LHR6:30 amLondon Heathrow

Feb 3

LHR12:10 pmLondon Heathrow

8h 25m

IAD3:35 pmWashington, D.C. Dulles Intl

$587

Find similar

Iberia

Oct 22

DCA2:55 pmWashington, D.C. Reagan-National

10h 25m

1 stop

LHR6:20 amLondon Heathrow

Oct 29

LHR3:35 pmLondon Heathrow

11h 22m

1 stop

DCA10:57 pmWashington, D.C. Reagan-National

$626

Find similar

Iberia

Oct 24

DCA2:55 pmWashington, D.C. Reagan-National

10h 25m

1 stop

LHR6:20 amLondon Heathrow

Oct 28

LHR1:30 pmLondon Heathrow

11h 29m

1 stop

DCA8:59 pmWashington, D.C. Reagan-National

$649

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 - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 1/18

12:30 pm-4:00 pm

2 stops22h 30m

London Heathrow

Fri 1/23

6:40 pm-6:50 pm

1 stop29h 10m

$553

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 11/14

12:11 pm-4:00 pm

2 stops22h 49m

London Heathrow

Tue 11/18

6:40 pm-5:15 pm

1 stop27h 35m

$555

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 10/29

6:05 pm-8:05 am

1 stop10h 00m

London Heathrow

Wed 11/5

8:50 am-3:35 pm

1 stop11h 45m

$556

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 10/26

6:05 pm-9:05 am

1 stop11h 00m

London Heathrow

Wed 10/29

7:50 am-4:35 pm

1 stop12h 45m

$557

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 11/28

10:30 pm-9:35 pm

1 stop18h 05m

London Heathrow

Sat 12/6

6:00 am-3:15 pm

1 stop14h 15m

$559

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 11/16

9:45 am-3:45 pm

2 stops25h 00m

London Gatwick

Wed 11/19

4:00 pm-3:50 pm

2 stops28h 50m

$559

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 1/14

9:45 am-7:25 pm

2 stops28h 40m

London Luton

Tue 1/20

8:50 pm-3:50 pm

2 stops24h 00m

$559

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 11/13

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Sat 11/22

11:55 am-6:30 pm

1 stop11h 35m

$560

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 12/7

7:40 pm-7:30 pm

1 stop18h 50m

London Heathrow

Mon 12/22

8:35 pm-6:30 pm

1 stop26h 55m

$560

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 1/15

5:30 pm-3:50 pm

1 stop17h 20m

London Gatwick

Tue 1/20

4:35 pm-9:00 pm

1 stop33h 25m

$561

Flights are sorted by cheapest round-trip flights first.

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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 $630, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from District of Columbia averaging around $656.

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 $765. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $905. 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 $815 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $823. 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 $759 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 19% 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	$384
Fastest flight time	7h 10m
Direct flights	Every day
Airports in London	1 airport

The best one-way flight to London from District of Columbia in the past 72 hours is $384. The best round-trip flight deal from District of Columbia to London found on momondo in the last 72 hours is $678.

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

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

There is 1 airport near London: 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 16 as of October 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 40.87% of all bookings. The subsequent popular models are Airbus A380-800 at 10.34%, Boeing 787-8 Dreamliner at 9.46%, and Airbus A350-1000 at 8.48%.

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 2,907 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 2,016 reviews	Search TAP AIR PORTUGAL flights
Lufthansa	PriceFrom $397	Free Cancellation	Rating 6.8 7,497 reviews	Search Lufthansa flights
Scandinavian Airlines	PriceFrom $424	Free Cancellation	Rating 7.4 1,533 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $433	Free Cancellation	Rating 7.0 556 reviews	Search Icelandair flights
Virgin Atlantic	PriceFrom $497	Free Cancellation	Rating 7.5 670 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $497	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
United Airlines	PriceFrom $506	Free Cancellation	Rating 7.4 8,982 reviews	Search United Airlines flights
KLM	PriceFrom $520	Free Cancellation	Rating 7.7 1,404 reviews	Search KLM flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Guildford

Dartford

Crawley

Hayes

Brentwood

Chelmsford

Colchester

Folkestone

Romford

Ilford

Cobham

Wembley

Stansted

Watford

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 $245

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 11/10. 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

Trusted and free

Price Alerts

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Find the cheapest flights from District of Columbia to London

Cheap round-trip flights

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Cheap last minute flights

Cheap direct flights

SWISS flights from District of Columbia to London

Our best SWISS deals on District of Columbia to London flight tickets

Iberia flights from District of Columbia to London

Our best Iberia 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

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 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 19% 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, JetBlue, and Scandinavian 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 October 2025, 24 flights take off from District of Columbia and land in London each day. The most common flight departure time for this route is 10:00PM, with 76% of daily flights taking off in the evening.

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

As of October 2025, 171 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