How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Flight times from United Kingdom to Washington, D.C. Dulles Intl Airport vary, but if you’re flying out of London and flying into Baltimore (one of the most popular routes), then the duration is 9h 42m on average. Another popular route from United Kingdom to Washington, D.C. Dulles Intl Airport is flying from Manchester to Baltimore, which will take roughly 11h 20m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Washington, D.C. Dulles Intl Airport?

British Airways, Aer Lingus and United Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from United Kingdom according to our data. British Airways is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 12 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

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

As of July 2025, there are 12 operators available to choose from 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.

$270 Cheap Flights from United Kingdom to Washington, D.C. Dulles Intl Airport in 2025

Q: How many flights depart from United Kingdom to Washington, D.C. Dulles Intl Airport on average per day?

27 flights are operational daily from United Kingdom to Washington, D.C. Dulles Intl Airport as of July 2025. The most popular departure time for this route is 12:00PM, with 100% of flights per day taking off in the afternoon.

Q: How many flights depart from United Kingdom to Washington, D.C. Dulles Intl Airport on average per week?

As of July 2025, 193 flights take off from United Kingdom and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

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

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

10:35 am - 8:50 pmLGW-IAD

15h 15m1 stop

6:30 pm - 3:45 pmIAD-LGW

17h 15m1 stop

$481TAP AIR PORTUGAL

Find Deal

Thu, Oct 23 - Mon, Oct 27

2:00 pm - 6:19 pmLGW-IAD

33h 19m1 stop

7:14 pm - 10:00 amIAD-LGW

33h 46m1 stop

$482

Find Deal

Thu, Sep 4 - Mon, Sep 8

5:40 pm - 1:38 pmLHR-IAD

24h 58m2 stops

10:15 pm - 4:40 pmIAD-LHR

13h 25m1 stop

$491United Airlines

Find Deal

Sat, Sep 27 - Sun, Sep 28

2:05 pm - 7:32 amLHR-IAD

22h 27m2 stops

6:40 pm - 6:55 amIAD-LHR

7h 15mnonstop

$514United Airlines

Find Deal

Sat, Sep 27 - Sun, Sep 28

8:10 am - 3:50 pmMAN-IAD

12h 40m1 stop

8:25 pm - 4:50 pmIAD-MAN

15h 25m1 stop

$594Aer Lingus

Find Deal

Fri, Sep 12 - Fri, Sep 19

8:10 am - 7:30 pmBHX-IAD

16h 20m1 stop

5:20 pm - 7:40 amIAD-BHX

9h 20m1 stop

$638Aer Lingus

Find Deal

Tue, Sep 9 - Sun, Sep 14

9:20 am - 3:35 pmLCY-IAD

11h 15m1 stop

5:25 pm - 9:30 amIAD-LCY

11h 05m1 stop

$674Virgin Atlantic

Find Deal

Fri, Sep 12 - Fri, Sep 19

9:20 am - 3:35 pmLCY-IAD

11h 15m1 stop

5:25 pm - 8:10 amIAD-LCY

9h 45m1 stop

$676Virgin Atlantic

Find Deal

Thu, Sep 11 - Wed, Sep 17

8:45 am - 3:35 pmEDI-IAD

11h 50m1 stop

6:20 pm - 9:30 amIAD-EDI

10h 10m1 stop

$707British Airways

Find Deal

Wed, Nov 26 - Wed, Dec 3

9:15 am - 3:55 pmEDI-IAD

11h 40m1 stop

5:50 pm - 9:20 amIAD-EDI

10h 30m1 stop

$716British Airways

Find Deal

Tue, Oct 7 - Thu, Oct 16

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

Our best Icelandair deals on United Kingdom to Washington, D.C. Dulles Intl Airport flight tickets

Icelandair

Nov 6

LGW11:55 amLondon Gatwick

11h 25m

1 stop

IAD6:20 pmWashington, D.C. Dulles Intl

Nov 10

IAD7:40 pmWashington, D.C. Dulles Intl

10h 15m

1 stop

LGW10:55 amLondon Gatwick

$485

Find similar

Icelandair

Nov 6

LHR12:15 pmLondon Heathrow

11h 05m

1 stop

IAD6:20 pmWashington, D.C. Dulles Intl

Nov 10

IAD7:40 pmWashington, D.C. Dulles Intl

18h 50m

1 stop

LHR7:30 pmLondon Heathrow

$489

Find similar

Icelandair

Nov 8

LGW11:55 amLondon Gatwick

11h 25m

1 stop

IAD6:20 pmWashington, D.C. Dulles Intl

Nov 14

IAD7:40 pmWashington, D.C. Dulles Intl

10h 15m

1 stop

LGW10:55 amLondon Gatwick

$492

Find similar

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

Our best Lufthansa deals on United Kingdom to Washington, D.C. Dulles Intl Airport flight tickets

Lufthansa

Sep 13

LHR10:50 amLondon Heathrow

13h 35m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

Sep 13

IAD10:32 pmWashington, D.C. Dulles Intl

17h 08m

1 stop

LHR8:40 pmLondon Heathrow

$524

Find similar

Lufthansa

Sep 20

LHR6:30 amLondon Heathrow

12h 00m

1 stop

IAD1:30 pmWashington, D.C. Dulles Intl

Sep 20

IAD10:32 pmWashington, D.C. Dulles Intl

17h 08m

1 stop

LHR8:40 pmLondon Heathrow

$536

Find similar

Lufthansa

Oct 8

LCY8:45 amLondon City

16h 15m

1 stop

IAD8:00 pmWashington, D.C. Dulles Intl

Oct 15

IAD6:10 pmWashington, D.C. Dulles Intl

17h 15m

1 stop

LCY4:25 pmLondon City

$647

Find similar

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

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 10/23

10:35 am-8:50 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Mon 10/27

6:30 pm-3:45 pm

1 stop17h 15m

$481

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 9/4

2:00 pm-6:19 pm

1 stop33h 19m

Washington, D.C. Dulles Intl

Mon 9/8

7:14 pm-10:00 am

1 stop33h 46m

$482

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sat 9/27

5:40 pm-1:38 pm

2 stops24h 58m

Washington, D.C. Dulles Intl

Sun 9/28

10:15 pm-4:40 pm

1 stop13h 25m

$491

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sat 9/27

2:05 pm-7:32 am

2 stops22h 27m

Washington, D.C. Dulles Intl

Sun 9/28

6:40 pm-6:55 am

Nonstop7h 15m

$514

ManchesterWashington, D.C.

MAN - IAD

MANIAD

Manchester

Fri 9/12

8:10 am-3:50 pm

1 stop12h 40m

Washington, D.C. Dulles Intl

Fri 9/19

8:25 pm-4:50 pm

1 stop15h 25m

$594

BirminghamWashington, D.C.

BHX - IAD

BHXIAD

Birmingham

Tue 9/9

8:10 am-7:30 pm

1 stop16h 20m

Washington, D.C. Dulles Intl

Sun 9/14

5:20 pm-7:40 am

1 stop9h 20m

$638

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 9/12

9:20 am-3:35 pm

1 stop11h 15m

Washington, D.C. Dulles Intl

Fri 9/19

5:25 pm-9:30 am

1 stop11h 05m

$674

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 9/11

9:20 am-3:35 pm

1 stop11h 15m

Washington, D.C. Dulles Intl

Wed 9/17

5:25 pm-8:10 am

1 stop9h 45m

$676

EdinburghWashington, D.C.

EDI - IAD

EDIIAD

Edinburgh Turnhouse

Wed 11/26

8:45 am-3:35 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Wed 12/3

6:20 pm-9:30 am

1 stop10h 10m

$707

EdinburghWashington, D.C.

EDI - IAD

EDIIAD

Edinburgh Turnhouse

Tue 10/7

9:15 am-3:55 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Thu 10/16

5:50 pm-9:20 am

1 stop10h 30m

$716

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 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

Prices

Airlines

Other information

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, March 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 $677. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $692.

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

Our data shows that Thursday 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 $826. When flying out on a Monday, 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 $939.

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 evening is the least expensive time of day to depart. momondo users have found prices as low as $743 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $880 on average. Flights to Washington, D.C. Dulles Intl Airport from United Kingdom in the morning 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 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 $811 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 $730 on momondo.

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

There are 4 cabin classes available to choose from on United Kingdom to Washington, D.C. Dulles Intl 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?

No. A direct flight is the cheapest option for a flight between United Kingdom to Washington, D.C. Dulles Intl Airport.

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	$270
Fastest flight time	8h 15m
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 $270. 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 $481.

The fastest flight from United Kingdom to Washington, D.C. Dulles Intl Airport takes 8h 15m

Direct flights go from United Kingdom to Washington, D.C. Dulles Intl Airport every day.

Search flight deals

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?
As of July 2025, there are 12 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United Kingdom to Washington, D.C. Dulles Intl Airport is Boeing 777 (29.22% of total bookings). The next most popular plane models are Airbus A380-800 (13.46%), Airbus A330-300 (10.56%), and Boeing 787-8 Dreamliner (8.77%).

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
Scandinavian Airlines	PriceFrom $390	Free Cancellation	Rating 7.3 1,457 reviews	Search Scandinavian Airlines flights
PLAY	PriceFrom $392	Free Cancellation	Rating 7.0 102 reviews	Search PLAY flights
Austrian Airlines	PriceFrom $431	Free Cancellation	Rating 7.6 823 reviews	Search Austrian Airlines flights
TAP AIR PORTUGAL	PriceFrom $476	Free Cancellation	Rating 7.1 1,933 reviews	Search TAP AIR PORTUGAL flights
Icelandair	PriceFrom $510	Free Cancellation	Rating 7.0 520 reviews	Search Icelandair flights
United Airlines	PriceFrom $583	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $593	Free Cancellation	Rating 7.1 1,192 reviews	Search Aer Lingus flights
British Airways	PriceFrom $595	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights
American Airlines	PriceFrom $619	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $652	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights

Alexandria

Gettysburg

Arlington

National Harbor

Winchester

Woodbridge

Laurel

Tysons

Silver Spring

Waldorf

Fredericksburg

Manassas

Harpers Ferry

Towson

Rockville

Colonial Beach

Gaithersburg

Fairfax

Reston

Glen Burnie

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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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Cheap flights from the United Kingdom to Washington, D.C. from $270

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

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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?

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

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

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 to Washington, D.C. Dulles Intl Airport?

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

There are 4 cabin classes available to choose from on United Kingdom to Washington, D.C. Dulles Intl 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?

No. A direct flight is the cheapest option for a flight between United Kingdom to Washington, D.C. Dulles Intl Airport.

What airlines fly to Washington, D.C. Dulles Intl Airport?

How many flights depart from United Kingdom to Washington, D.C. Dulles Intl Airport on average per day?

27 flights are operational daily from United Kingdom to Washington, D.C. Dulles Intl Airport as of July 2025. The most popular departure time for this route is 12:00PM, with 100% of flights per day taking off in the afternoon.

How many flights depart from United Kingdom to Washington, D.C. Dulles Intl Airport on average per week?

As of July 2025, 193 flights take off from United Kingdom and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

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

Fastest flight time

Direct flights

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

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?

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

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Washington, D.C. Dulles Intl 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 Washington, D.C.

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