Cheap flights from the United Kingdom to Washington, D.C. from $369

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United Kingdom to Washington, D.C.

Recent round-trip flight deals from the United Kingdom to Washington, D.C.

Enter your travel dates to find the best prices.
Icelandair Logo
8:35 pm - 6:30 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
26h 55m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:40 pm - 10:50 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
10h 10m1 stop Reykjavik Keflavik Intl
$539Icelandair
Sun, Feb 28 - Sun, Mar 7
Icelandair Logo
12:15 pm - 6:30 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
11h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:40 pm - 10:50 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
10h 10m1 stop Reykjavik Keflavik Intl
$539Icelandair
Sat, Feb 27 - Sat, Mar 6
British Airways Logo
8:50 am - 3:45 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
11h 55m1 stop Dublin
British Airways Logo
5:15 pm - 8:05 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
9h 50m1 stop Dublin
$560British Airways
Mon, Jan 25 - Mon, Feb 1
British Airways Logo
8:25 am - 3:45 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
12h 20m1 stop Dublin
British Airways Logo
5:15 pm - 9:05 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
10h 50m1 stop Dublin
$560British Airways
Thu, Jan 21 - Mon, Jan 25
KLM Logo
8:40 am - 3:40 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
12h 00m1 stop Amsterdam Schiphol
KLM Logo
7:30 pm - 7:55 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
7h 25mnonstop
$584KLM
Sun, Jan 31 - Fri, Feb 26
Virgin Atlantic Logo
8:40 am - 3:55 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
12h 15m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
6:55 pm - 7:20 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
7h 25mnonstop
$595Virgin Atlantic
Fri, Feb 26 - Sun, Feb 28
Virgin Atlantic Logo
10:00 am - 3:55 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
10h 55m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
7:30 pm - 7:55 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
7h 25mnonstop
$597Virgin Atlantic
Mon, Feb 1 - Fri, Feb 26
KLM Logo
8:40 am - 3:55 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
12h 15m1 stop Amsterdam Schiphol
KLM Logo
6:55 pm - 7:20 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
7h 25mnonstop
$599KLM
Sat, Feb 27 - Sun, Feb 28
Aer Lingus Logo
7:50 am - 3:45 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
12h 55m1 stop Dublin
Aer Lingus Logo
5:15 pm - 11:25 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
13h 10m1 stop Dublin
$603Aer Lingus
Thu, Jan 7 - Fri, Jan 8
Aer Lingus Logo
9:50 am - 3:45 pmLHR  London Heathrow-IAD Washington, D.C. Dulles Intl
10h 55m1 stop Dublin
Aer Lingus Logo
5:15 pm - 8:05 amIAD  Washington, D.C. Dulles Intl-LHR London Heathrow
9h 50m1 stop Dublin
$642Aer Lingus
Mon, Apr 5 - Tue, Apr 20

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Aer Lingus flights from United Kingdom to Washington, D.C. Dulles Intl Airport

Our best Aer Lingus deals on United Kingdom to Washington, D.C. Dulles Intl Airport flight tickets
Aer Lingus
Dec 1
BHX9:10 amBirmingham
11h 35m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
Dec 15
IAD5:15 pmWashington, D.C. Dulles Intl
9h 35m
1 stop
BHX7:50 amBirmingham
$811
Aer Lingus
Dec 16
BHX9:10 amBirmingham
15h 10m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Dec 27
IAD8:50 pmWashington, D.C. Dulles Intl
14h 40m
1 stop
BHX4:30 pmBirmingham
$831
Aer Lingus
Nov 13
GLA1:15 pmGlasgow Intl
11h 05m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Nov 23
IAD5:15 pmWashington, D.C. Dulles Intl
9h 40m
1 stop
GLA7:55 amGlasgow Intl
$894

TAP AIR PORTUGAL flights from United Kingdom to Washington, D.C. Dulles Intl Airport

Our best TAP AIR PORTUGAL deals on United Kingdom to Washington, D.C. Dulles Intl Airport flight tickets
TAP AIR PORTUGAL
Jan 24
LGW10:40 amLondon Gatwick
14h 55m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
Jan 26
IAD5:25 pmWashington, D.C. Dulles Intl
11h 25m
1 stop
LGW9:50 amLondon Gatwick
$545
TAP AIR PORTUGAL
Nov 11
LGW4:35 pmLondon Gatwick
27h 40m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Dec 2
IAD10:30 pmWashington, D.C. Dulles Intl
11h 35m
1 stop
LGW3:05 pmLondon Gatwick
$547
TAP AIR PORTUGAL
Nov 18
LGW10:40 amLondon Gatwick
14h 50m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
Dec 2
IAD10:30 pmWashington, D.C. Dulles Intl
11h 35m
1 stop
LGW3:05 pmLondon Gatwick
$550

momondo Fare Finder

 
Use the filters below to find and compare flights from the United Kingdom to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Sun 2/28

8:35 pm-6:30 pm

1 stop26h 55m

Washington, D.C. Dulles Intl

Sun 3/7

7:40 pm-10:50 am

1 stop10h 10m

$539

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Sat 2/27

12:15 pm-6:30 pm

1 stop11h 15m

Washington, D.C. Dulles Intl

Sat 3/6

7:40 pm-10:50 am

1 stop10h 10m

$539

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Mon 1/25

8:50 am-3:45 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Mon 2/1

5:15 pm-8:05 am

1 stop9h 50m

$560

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Thu 1/21

8:25 am-3:45 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Mon 1/25

5:15 pm-9:05 am

1 stop10h 50m

$560

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Sun 1/31

8:40 am-3:40 pm

1 stop12h 00m

Washington, D.C. Dulles Intl

Fri 2/26

7:30 pm-7:55 am

Nonstop7h 25m

$584

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Fri 2/26

8:40 am-3:55 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Sun 2/28

6:55 pm-7:20 am

Nonstop7h 25m

$595
Quickest round-trip

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Mon 2/1

10:00 am-3:55 pm

1 stop10h 55m

Washington, D.C. Dulles Intl

Fri 2/26

7:30 pm-7:55 am

Nonstop7h 25m

$597

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Sat 2/27

8:40 am-3:55 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Sun 2/28

6:55 pm-7:20 am

Nonstop7h 25m

$599

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Thu 1/7

7:50 am-3:45 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Fri 1/8

5:15 pm-11:25 am

1 stop13h 10m

$603

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Mon 4/5

9:50 am-3:45 pm

1 stop10h 55m

Washington, D.C. Dulles Intl

Tue 4/20

5:15 pm-8:05 am

1 stop9h 50m

$642

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from United Kingdom to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport?

In general, February is the cheapest month to fly from United Kingdom to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $678. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $683.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $752. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from United Kingdom to Washington, D.C. Dulles Intl Airport for around $857.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from United Kingdom in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $768 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $810 on average. Flights to Washington, D.C. Dulles Intl Airport from United Kingdom at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest United Kingdom to Washington, D.C. Dulles Intl flight route?

Fly from London Heathrow to Washington, D.C. Dulles Intl for the best United Kingdom - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight from the United Kingdom to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $728 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from United Kingdom for as low as $646 on momondo.

What cabin class options are available on United Kingdom to Washington, D.C. Dulles Intl Airport flights?

There are 3 cabin classes available to choose from on United Kingdom to Washington, D.C. Dulles Intl 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 United Kingdom to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 3% on your flight if you consider stops on a United Kingdom to Washington, D.C. Dulles Intl Airport flight.

Cheap United Kingdom to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Washington, D.C. Dulles Intl Airport

Best Price Found

$369

Fastest flight time

8h 05m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from United Kingdom in the past 72 hours is $369. The best round-trip flight deal from United Kingdom to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $539.
The fastest flight from United Kingdom to Washington, D.C. Dulles Intl Airport takes 8h 05m
Direct flights go from United Kingdom to Washington, D.C. Dulles Intl Airport every day.

Frequently asked questions about flying from the United Kingdom to Washington, D.C. Dulles Intl Airport

  • When did momondo last update prices for flights from United Kingdom to Washington, D.C. Dulles Intl Airport?

    Prices for flights from United Kingdom to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from United Kingdom to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from United Kingdom to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from United Kingdom to Washington, D.C. Dulles Intl Airport?

Best airlines flying from United Kingdom to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from United Kingdom to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $528Free CancellationRating
7.0
12,210 reviews
Search American Airlines flights
United AirlinesPriceFrom $544Free CancellationRating
7.3
10,451 reviews
Search United Airlines flights
LufthansaPriceFrom $556Free CancellationRating
6.8
8,297 reviews
Search Lufthansa flights
British AirwaysPriceFrom $566Free CancellationRating
6.7
8,275 reviews
Search British Airways flights
Austrian AirlinesPriceFrom $567Free CancellationRating
7.5
984 reviews
Search Austrian Airlines flights
Virgin AtlanticPriceFrom $581Free CancellationRating
7.5
699 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $581Free CancellationRating
7.8
8,692 reviews
Search Delta flights
Air FrancePriceFrom $582Free CancellationRating
7.5
1,653 reviews
Search Air France flights
KLMPriceFrom $583Free CancellationRating
7.8
1,595 reviews
Search KLM flights
Aer LingusPriceFrom $658Free CancellationRating
7.3
1,868 reviews
Search Aer Lingus flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Winchester
Fredericksburg
Laurel
Waldorf
Woodbridge
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Sterling
Fairfax
Springfield
Glen Burnie
Edgewood
Chantilly

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United Kingdom to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from United Kingdom. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from United Kingdom and alert you when they change.

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1 adult
Sun 11/29
Sun 12/6

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