What airlines fly to London Heathrow Airport?

British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to London Heathrow Airport from District of Columbia according to our data. British Airways is the first choice among our users, with 55% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 18 different airlines that fly to London Heathrow Airport 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 Heathrow?

United Airlines, JetBlue, and Delta are the most popular carriers operating from District of Columbia to London Heathrow

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

The number of operators available for flights from District of Columbia to London Heathrow Airport is 18 as of June 2026.

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

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 Heathrow Airport.

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

The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$407 Cheap Flights from District of Columbia to London Heathrow Airport in 2026

Q: How many flights depart from District of Columbia to London Heathrow Airport on average per week?

As of June 2026, 196 flights take off from District of Columbia and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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Find the cheapest flights from District of Columbia to London

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:40 pm - 8:35 am

DCA

LHR

14h 55m

1 stop

12:05 pm - 9:48 pm

LHR

DCA

14h 43m

2 stops

$891Air Canada

Wed, Aug 12 - Wed, Aug 26

5:05 pm - 6:50 pm

IAD

LHR

20h 45m

1 stop

7:50 pm - 3:10 pm

LHR

IAD

24h 20m

1 stop

$891TAP AIR PORTUGAL

Fri, Aug 14 - Sat, Aug 22

12:40 pm - 6:30 am

DCA

LHR

12h 50m

2 stops

12:05 pm - 6:12 pm

LHR

DCA

11h 07m

1 stop

$892Air Canada

Sun, Aug 16 - Tue, Aug 25

12:10 pm - 6:55 am

DCA

LHR

13h 45m

1 stop

9:20 am - 6:51 pm

LHR

DCA

14h 31m

1 stop

$893JetBlue

Sat, Nov 7 - Sat, Nov 14

9:45 am - 6:30 am

IAD

LHR

15h 45m

1 stop

6:40 pm - 4:45 pm

LHR

IAD

27h 05m

1 stop

$893Multiple Airlines

Sun, Aug 9 - Mon, Aug 17

6:21 am - 8:45 pm

DCA

LHR

9h 24m

1 stop

8:40 am - 9:50 pm

LHR

DCA

18h 10m

1 stop

$894JetBlue

Thu, Jul 23 - Wed, Aug 19

11:20 pm - 8:20 pm

IAD

LHR

16h 00m

1 stop

9:25 pm - 7:20 pm

LHR

IAD

26h 55m

1 stop

$894Icelandair

Wed, Jul 15 - Thu, Jul 23

5:45 pm - 6:20 am

IAD

LHR

7h 35mnonstop

11:30 am - 6:50 pm

LHR

IAD

12h 20m

1 stop

$896Iberia

Sat, Aug 15 - Tue, Aug 25

8:30 pm - 8:20 pm

IAD

LHR

18h 50m

1 stop

9:25 pm - 7:20 pm

LHR

IAD

26h 55m

1 stop

$898Icelandair

Thu, Jul 9 - Thu, Jul 16

10:15 pm - 10:40 am

IAD

LHR

7h 25mnonstop

6:50 am - 1:30 pm

LHR

IAD

11h 40m

1 stop

$900Multiple Airlines

Wed, Aug 26 - Sat, Sep 5

Iberia flights from District of Columbia to London Heathrow Airport

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

Iberia

Sep 17

IAD10:25 pmWashington, D.C. Dulles Intl

7h 25m

LHR10:50 amLondon Heathrow

Sep 29

LHR11:30 amLondon Heathrow

12h 20m

1 stop

IAD6:50 pmWashington, D.C. Dulles Intl

$896

Iberia

Oct 1

IAD5:45 pmWashington, D.C. Dulles Intl

7h 35m

LHR6:20 amLondon Heathrow

Oct 6

LHR7:50 amLondon Heathrow

12h 40m

1 stop

IAD3:30 pmWashington, D.C. Dulles Intl

$897

Iberia

Sep 3

IAD10:25 pmWashington, D.C. Dulles Intl

7h 25m

LHR10:50 amLondon Heathrow

Sep 7

LHR8:00 pmLondon Heathrow

27h 50m

1 stop

IAD6:50 pmWashington, D.C. Dulles Intl

$907

Scandinavian Airlines flights from District of Columbia to London Heathrow Airport

Our best Scandinavian Airlines deals on District of Columbia to London Heathrow Airport flight tickets

Scandinavian Airlines

Sep 9

DCA11:00 amWashington, D.C. Reagan-National

17h 35m

2 stops

LHR9:35 amLondon Heathrow

Sep 23

LHR6:40 amLondon Heathrow

18h 10m

2 stops

DCA7:50 pmWashington, D.C. Reagan-National

$897

Scandinavian Airlines

Oct 20

IAD12:30 pmWashington, D.C. Dulles Intl

16h 05m

2 stops

LHR9:35 amLondon Heathrow

Oct 24

LHR6:40 amLondon Heathrow

15h 20m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$899

Scandinavian Airlines

Sep 5

DCA2:15 pmWashington, D.C. Reagan-National

14h 05m

2 stops

LHR9:20 amLondon Heathrow

Sep 19

LHR6:40 amLondon Heathrow

21h 19m

2 stops

DCA10:59 pmWashington, D.C. Reagan-National

$905

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 8/12

12:40 pm-8:35 am

1 stop14h 55m

London Heathrow

Wed 8/26

12:05 pm-9:48 pm

2 stops14h 43m

$891

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 8/14

5:05 pm-6:50 pm

1 stop20h 45m

London Heathrow

Sat 8/22

7:50 pm-3:10 pm

1 stop24h 20m

$891

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 8/16

12:40 pm-6:30 am

2 stops12h 50m

London Heathrow

Tue 8/25

12:05 pm-6:12 pm

1 stop11h 07m

$892

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sat 11/7

12:10 pm-6:55 am

1 stop13h 45m

London Heathrow

Sat 11/14

9:20 am-6:51 pm

1 stop14h 31m

$893

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 8/9

9:45 am-6:30 am

1 stop15h 45m

London Heathrow

Mon 8/17

6:40 pm-4:45 pm

1 stop27h 05m

$893

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Thu 7/23

6:21 am-8:45 pm

1 stop9h 24m

London Heathrow

Wed 8/19

8:40 am-9:50 pm

1 stop18h 10m

$894

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 7/15

11:20 pm-8:20 pm

1 stop16h 00m

London Heathrow

Thu 7/23

9:25 pm-7:20 pm

1 stop26h 55m

$894

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 8/15

5:45 pm-6:20 am

Nonstop7h 35m

London Heathrow

Tue 8/25

11:30 am-6:50 pm

1 stop12h 20m

$896

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 7/9

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

Thu 7/16

9:25 pm-7:20 pm

1 stop26h 55m

$898

Quickest round-trip

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 8/26

10:15 pm-10:40 am

Nonstop7h 25m

London Heathrow

Sat 9/5

6:50 am-1:30 pm

1 stop11h 40m

$900

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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 Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from District of Columbia, with most prices found around $281. If you’re not able to fly to London Heathrow Airport in January, then February is your next best option. Flight prices from District of Columbia to London Heathrow Airport during February average around $478.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $787. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $920.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from District of Columbia to London Heathrow Airport in the afternoon for as low as $824. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $883.

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

Fly from Baltimore/Washington to London Heathrow for the best District of Columbia - London Heathrow flight prices

How far in advance should I book a flight from District of Columbia to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $809 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from District of Columbia for as low as $720 on momondo.

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

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

You could potentially save up to 42% on your flight if you consider stops on a District of Columbia to London Heathrow Airport flight.

Cheap District of Columbia to London Heathrow Airport flight deals and tips

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

Best Price Found	$524
Fastest flight time	7h 10m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from District of Columbia in the past 72 hours is $524. The best round-trip flight deal from District of Columbia to London Heathrow Airport found on momondo in the last 72 hours is $1,022.

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

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

Search flight deals

Frequently asked questions about flying from District of Columbia to London Heathrow Airport

When did momondo last update prices for flights from District of Columbia to London Heathrow Airport?
Prices for flights from District of Columbia to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from District of Columbia to London Heathrow Airport?
The number of operators available for flights from District of Columbia to London Heathrow Airport is 18 as of June 2026.
How old do you have to be to fly from District of Columbia to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from District of Columbia to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from District of Columbia to London Heathrow Airport is Boeing 777, representing 54.76% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 15.62%, Boeing 777-300ER at 12.97%, and Airbus A330-900neo at 3.73%.

Best airlines flying from District of Columbia to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
TAP AIR PORTUGAL	PriceFrom $411	Free Cancellation	Rating 7.2 2,266 reviews	Search TAP AIR PORTUGAL flights
United Airlines	PriceFrom $462	Free Cancellation	Rating 7.4 9,777 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom $471	Free Cancellation	Rating 7.5 689 reviews	Search Virgin Atlantic flights
Icelandair	PriceFrom $475	Free Cancellation	Rating 7.0 665 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $492	Free Cancellation	Rating 7.4 1,804 reviews	Search Scandinavian Airlines flights
American Airlines	PriceFrom $497	Free Cancellation	Rating 7.1 11,641 reviews	Search American Airlines flights
Delta	PriceFrom $519	Free Cancellation	Rating 7.9 8,397 reviews	Search Delta flights
British Airways	PriceFrom $527	Free Cancellation	Rating 6.7 8,018 reviews	Search British Airways flights
Aer Lingus	PriceFrom $554	Free Cancellation	Rating 7.3 1,592 reviews	Search Aer Lingus flights
Iberia	PriceFrom $565	Free Cancellation	Rating 7.0 3,223 reviews	Search Iberia flights

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Milton Keynes

Luton

Dover

Hayes

Crawley

Croydon

Wembley

Stratford-upon-Avon

Stansted

Slough

Harrow

Brentwood

Watford

Cobham

Guildford

Folkestone

Uxbridge

Romford

Why use momondo?

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

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 District of Columbia.

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

momondo does allow users to show only those flights to London from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

Of course. momondo tracks the price of District of Columbia to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London Heathrow Airport trip

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Flights to London Gatwick Airportfrom $394

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Flights to Belfast Intl Airportfrom $647

Flights to Belfast City Airportfrom $647

Cheap flights from District of Columbia to London from $407

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 10/14. 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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Iberia flights from District of Columbia to London Heathrow Airport

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

Scandinavian Airlines flights from District of Columbia to London Heathrow Airport

Our best Scandinavian Airlines deals on District of Columbia to London Heathrow Airport flight tickets

momondo Fare Finder

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

See travel insights to London from

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

What is the cheapest month to fly to London Heathrow Airport?

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

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

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

How far in advance should I book a flight from District of Columbia to London Heathrow Airport?

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

Can stopping save me money on District of Columbia to London Heathrow Airport flights?

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

What airlines fly to London Heathrow Airport?

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

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

Cheap District of Columbia to London Heathrow Airport flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from District of Columbia to London Heathrow Airport

Best airlines flying from District of Columbia to London Heathrow Airport

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

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport 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 London

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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