Cheap flights from District of Columbia to London from $317

1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

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Icelandair Logo
8:30 pm - 11:55 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
10h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
9:25 pm - 7:20 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
26h 55m1 stop Reykjavik Keflavik Intl
$683Icelandair
Wed, Apr 21 - Sun, May 16
Scandinavian Airlines Logo
8:30 pm - 4:25 pmIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
14h 55m2 stops Kastrup Copenhagen Oslo Gardermoen
Scandinavian Airlines Logo
6:40 am - 5:15 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
15h 35m1 stop Kastrup Copenhagen
$686Scandinavian Airlines
Wed, Feb 17 - Thu, Feb 25
Multiple Airlines Logo
7:40 pm - 9:20 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
32h 40m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Kastrup Copenhagen
Multiple Airlines Logo
6:40 am - 6:30 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
16h 50m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
$687Multiple Airlines
Thu, Jan 28 - Thu, Feb 4
Scandinavian Airlines Logo
8:30 pm - 4:25 pmIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
14h 55m2 stops Kastrup Copenhagen Oslo Gardermoen
Scandinavian Airlines Logo
7:05 am - 5:15 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
15h 10m2 stops Oslo Gardermoen Kastrup Copenhagen
$690Scandinavian Airlines
Wed, Feb 17 - Thu, Feb 25
Icelandair Logo
7:40 pm - 7:30 pmIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
18h 50m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 pm - 7:30 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
11h 15m1 stop Reykjavik Keflavik Intl
$691Icelandair
Thu, Mar 11 - Thu, Mar 18
TAP AIR PORTUGAL Logo
11:30 pm - 5:30 pmIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
14h 00m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:00 am - 3:10 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
14h 10m1 stop Lisbon Humberto Delgado
$694TAP AIR PORTUGAL
Wed, Mar 17 - Tue, Apr 6
TAP AIR PORTUGAL Logo
5:25 pm - 12:40 pmIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
14h 15m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:00 am - 3:15 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
14h 15m1 stop Lisbon Humberto Delgado
$696TAP AIR PORTUGAL
Thu, Feb 11 - Mon, Feb 15
Air Canada Logo
4:05 pm - 7:10 amDCA  Washington, D.C. Reagan-National-LHR London Heathrow
10h 05m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:00 am - 12:19 pmLHR  London Heathrow-DCA Washington, D.C. Reagan-National
32h 19m2 stops Halifax Intl Ottawa
$699Air Canada
Tue, Nov 24 - Sun, Nov 29
Multiple Airlines Logo
7:40 pm - 9:40 pmIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
21h 00m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Kastrup Copenhagen
Multiple Airlines Logo
6:40 am - 6:30 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
16h 50m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
$701Multiple Airlines
Wed, Feb 3 - Mon, Feb 8
American Airlines Logo
7:05 pm - 6:15 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
7h 10mnonstop
American Airlines Logo
6:15 am - 5:20 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
15h 05m1 stop Madrid Barajas
$740American Airlines
Mon, Mar 15 - Wed, Mar 17

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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
Feb 17
IAD8:30 pmWashington, D.C. Dulles Intl
14h 55m
2 stops
LHR4:25 pmLondon Heathrow
Feb 25
LHR6:40 amLondon Heathrow
15h 35m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$686
Scandinavian Airlines
Feb 17
IAD8:30 pmWashington, D.C. Dulles Intl
14h 55m
2 stops
LHR4:25 pmLondon Heathrow
Feb 25
LHR7:05 amLondon Heathrow
15h 10m
2 stops
IAD5:15 pmWashington, D.C. Dulles Intl
$690
Scandinavian Airlines
Jan 14
IAD8:30 pmWashington, D.C. Dulles Intl
17h 00m
1 stop
LHR6:30 pmLondon Heathrow
Jan 20
LHR10:20 amLondon Heathrow
11h 55m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$696

TAP AIR PORTUGAL flights from District of Columbia to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on District of Columbia to London Heathrow Airport flight tickets
TAP AIR PORTUGAL
Mar 17
IAD11:30 pmWashington, D.C. Dulles Intl
14h 00m
1 stop
LHR5:30 pmLondon Heathrow
Apr 6
LHR6:00 amLondon Heathrow
14h 10m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
$694
TAP AIR PORTUGAL
Nov 13
IAD10:30 pmWashington, D.C. Dulles Intl
14h 00m
1 stop
LHR5:30 pmLondon Heathrow
Nov 23
LHR6:30 pmLondon Heathrow
25h 10m
1 stop
IAD2:40 pmWashington, D.C. Dulles Intl
$709
TAP AIR PORTUGAL
Nov 14
IAD5:25 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
LHR12:40 pmLondon Heathrow
Nov 25
LHR6:00 amLondon Heathrow
19h 30m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
$713

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.

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Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 4/21

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Sun 5/16

9:25 pm-7:20 pm

1 stop26h 55m

$683

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 2/17

8:30 pm-4:25 pm

2 stops14h 55m

London Heathrow

Thu 2/25

6:40 am-5:15 pm

1 stop15h 35m

$686

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Thu 1/28

7:40 pm-9:20 am

3 stops32h 40m

London Heathrow

Thu 2/4

6:40 am-6:30 pm

2 stops16h 50m

$687

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 2/17

8:30 pm-4:25 pm

2 stops14h 55m

London Heathrow

Thu 2/25

7:05 am-5:15 pm

2 stops15h 10m

$690

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Thu 3/11

7:40 pm-7:30 pm

1 stop18h 50m

London Heathrow

Thu 3/18

12:15 pm-7:30 pm

1 stop11h 15m

$691

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 3/17

11:30 pm-5:30 pm

1 stop14h 00m

London Heathrow

Tue 4/6

6:00 am-3:10 pm

1 stop14h 10m

$694

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Thu 2/11

5:25 pm-12:40 pm

1 stop14h 15m

London Heathrow

Mon 2/15

6:00 am-3:15 pm

1 stop14h 15m

$696

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Tue 11/24

4:05 pm-7:10 am

1 stop10h 05m

London Heathrow

Sun 11/29

9:00 am-12:19 pm

2 stops32h 19m

$699

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 2/3

7:40 pm-9:40 pm

3 stops21h 00m

London Heathrow

Mon 2/8

6:40 am-6:30 pm

2 stops16h 50m

$701
Quickest round-trip

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Mon 3/15

7:05 pm-6:15 am

Nonstop7h 10m

London Heathrow

Wed 3/17

6:15 am-5:20 pm

1 stop15h 05m

$740

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from District of Columbia, with most prices found around $705. If you’re not able to fly to London Heathrow Airport in February, then January is your next best option. Flight prices from District of Columbia to London Heathrow Airport during January average around $752.

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 $945. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,047.

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 $993. 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 $1,008.

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

Fly from Washington, D.C. Dulles Intl 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 $936 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 $862 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?

No. A direct flight is the cheapest option for a flight between District of Columbia to London Heathrow Airport.

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

$317

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 $317. The best round-trip flight deal from District of Columbia to London Heathrow Airport found on momondo in the last 72 hours is $683.
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.

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?

  • 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?

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
Virgin AtlanticPriceFrom $390Free CancellationRating
7.5
698 reviews
Search Virgin Atlantic flights
TAP AIR PORTUGALPriceFrom $424Free CancellationRating
7.2
2,395 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $450Free CancellationRating
7.8
8,699 reviews
Search Delta flights
United AirlinesPriceFrom $462Free CancellationRating
7.3
10,471 reviews
Search United Airlines flights
IcelandairPriceFrom $481Free CancellationRating
6.9
767 reviews
Search Icelandair flights
IberiaPriceFrom $500Free CancellationRating
7.0
3,231 reviews
Search Iberia flights
Scandinavian AirlinesPriceFrom $515Free CancellationRating
7.5
2,026 reviews
Search Scandinavian Airlines flights
Air FrancePriceFrom $581Free CancellationRating
7.5
1,647 reviews
Search Air France flights
FinnairPriceFrom $591Free CancellationRating
7.6
1,413 reviews
Search Finnair flights
SWISSPriceFrom $593Free CancellationRating
7.5
2,116 reviews
Search SWISS flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Croydon
Hayes
Haverhill
Milton Keynes
Luton
Stansted
Kingston upon Thames
Dover
Watford
Richmond
Stratford-upon-Avon
Wembley
Crawley
Worthing
Brentford
Harrow
Canterbury
Hook

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.

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1 adult
Wed 12/9
Wed 12/16

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