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 Edinburgh and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 8h 05m on average. Another popular route from United Kingdom to Washington, D.C. Dulles Intl Airport is flying from London to Washington, D.C. Dulles Intl Airport, which will take roughly 9h 47m. 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 November 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.

$346 Cheap Flights from United Kingdom to Washington, D.C. Dulles Intl Airport in 2025/26

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

As of November 2025, 166 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 17% of weekly flights taking off on this day.

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

23 flights are operational daily from United Kingdom to Washington, D.C. Dulles Intl Airport as of November 2025. The most popular departure time for this route is 4:00PM, with 97% of flights per day taking off in the afternoon.

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7:25 am - 3:35 pmEDI-IAD

13h 10m1 stop

9:00 pm - 8:30 pmIAD-EDI

18h 30m1 stop

$568Multiple Airlines

Find Deal

Wed, Dec 10 - Wed, Dec 17

6:50 am - 7:30 pmLTN-IAD

17h 40m1 stop

5:05 pm - 9:45 amIAD-LTN

11h 40m1 stop

$571Multiple Airlines

Find Deal

Wed, Dec 10 - Tue, Dec 16

8:35 pm - 7:30 pmLHR-IAD

26h 55m1 stop

8:30 pm - 11:55 amIAD-LHR

10h 25m1 stop

$576Icelandair

Find Deal

Thu, Mar 19 - Wed, Apr 1

1:00 pm - 7:20 pmLGW-IAD

11h 20m1 stop

11:35 pm - 2:40 pmIAD-LGW

10h 05m1 stop

$578Icelandair

Find Deal

Thu, Apr 30 - Wed, May 6

10:00 am - 4:05 pmLHR-IAD

11h 05m1 stop

10:20 pm - 10:50 amIAD-LHR

7h 30mnonstop

$589Virgin Atlantic

Find Deal

Mon, Jan 19 - Tue, Feb 17

8:20 am - 3:35 pmBRS-IAD

12h 15m1 stop

9:00 pm - 6:40 pmIAD-BRS

16h 40m1 stop

$599Aer Lingus

Find Deal

Wed, Dec 10 - Wed, Dec 17

10:00 am - 4:05 pmLCY-IAD

11h 05m1 stop

6:05 pm - 9:30 amIAD-LCY

10h 25m1 stop

$620Virgin Atlantic

Find Deal

Mon, Jan 12 - Tue, Jan 20

1:35 pm - 7:30 pmEDI-IAD

10h 55m1 stop

9:00 pm - 1:00 pmIAD-EDI

11h 00m1 stop

$720Aer Lingus

Find Deal

Sat, Dec 13 - Wed, Dec 17

8:45 am - 3:35 pmLBA-IAD

11h 50m1 stop

6:05 pm - 8:05 amIAD-LBA

10h 00m1 stop

$800British Airways

Find Deal

Thu, Mar 5 - Mon, Mar 9

8:45 am - 3:35 pmLBA-IAD

11h 50m1 stop

10:00 pm - 7:30 pmIAD-LBA

17h 30m1 stop

$802British Airways

Find Deal

Thu, Mar 5 - Mon, Mar 9

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

Mar 4

LGW10:40 amLondon Gatwick

15h 20m

1 stop

IAD9:00 pmWashington, D.C. Dulles Intl

Mar 11

IAD11:30 pmWashington, D.C. Dulles Intl

11h 35m

1 stop

LGW3:05 pmLondon Gatwick

$572

Find similar

TAP AIR PORTUGAL

Dec 14

LHR7:55 pmLondon Heathrow

24h 20m

1 stop

IAD3:15 pmWashington, D.C. Dulles Intl

Jan 28

IAD10:30 pmWashington, D.C. Dulles Intl

15h 25m

1 stop

LHR6:55 pmLondon Heathrow

$602

Find similar

TAP AIR PORTUGAL

Dec 11

LHR6:00 amLondon Heathrow

14h 15m

1 stop

IAD3:15 pmWashington, D.C. Dulles Intl

Jan 10

IAD5:30 pmWashington, D.C. Dulles Intl

20h 25m

1 stop

LHR6:55 pmLondon Heathrow

$612

Find similar

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

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

Scandinavian Airlines

Mar 4

LHR10:20 amLondon Heathrow

11h 55m

1 stop

IAD5:15 pmWashington, D.C. Dulles Intl

Mar 11

IAD9:30 pmWashington, D.C. Dulles Intl

14h 55m

2 stops

LHR4:25 pmLondon Heathrow

$573

Find similar

Scandinavian Airlines

Mar 4

LHR7:05 amLondon Heathrow

15h 10m

2 stops

IAD5:15 pmWashington, D.C. Dulles Intl

Mar 11

IAD9:30 pmWashington, D.C. Dulles Intl

14h 55m

2 stops

LHR4:25 pmLondon Heathrow

$577

Find similar

Scandinavian Airlines

Feb 5

LHR6:40 amLondon Heathrow

15h 35m

1 stop

IAD5:15 pmWashington, D.C. Dulles Intl

Feb 9

IAD8:30 pmWashington, D.C. Dulles Intl

17h 20m

2 stops

LHR6:50 pmLondon Heathrow

$579

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

EdinburghWashington, D.C.

EDI - IAD

EDIIAD

Edinburgh Turnhouse

Wed 12/10

7:25 am-3:35 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Wed 12/17

9:00 pm-8:30 pm

1 stop18h 30m

$568

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 12/10

6:50 am-7:30 pm

1 stop17h 40m

Washington, D.C. Dulles Intl

Tue 12/16

5:05 pm-9:45 am

1 stop11h 40m

$571

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 3/19

8:35 pm-7:30 pm

1 stop26h 55m

Washington, D.C. Dulles Intl

Wed 4/1

8:30 pm-11:55 am

1 stop10h 25m

$576

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 4/30

1:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Wed 5/6

11:35 pm-2:40 pm

1 stop10h 05m

$578

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 1/19

10:00 am-4:05 pm

1 stop11h 05m

Washington, D.C. Dulles Intl

Tue 2/17

10:20 pm-10:50 am

Nonstop7h 30m

$589

BristolWashington, D.C.

BRS - IAD

BRSIAD

Bristol

Wed 12/10

8:20 am-3:35 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Wed 12/17

9:00 pm-6:40 pm

1 stop16h 40m

$599

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 1/12

10:00 am-4:05 pm

1 stop11h 05m

Washington, D.C. Dulles Intl

Tue 1/20

6:05 pm-9:30 am

1 stop10h 25m

$620

EdinburghWashington, D.C.

EDI - IAD

EDIIAD

Edinburgh Turnhouse

Sat 12/13

1:35 pm-7:30 pm

1 stop10h 55m

Washington, D.C. Dulles Intl

Wed 12/17

9:00 pm-1:00 pm

1 stop11h 00m

$720

LeedsWashington, D.C.

LBA - IAD

LBAIAD

Leeds/Bradford

Thu 3/5

8:45 am-3:35 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Mon 3/9

6:05 pm-8:05 am

1 stop10h 00m

$800

LeedsWashington, D.C.

LBA - IAD

LBAIAD

Leeds/Bradford

Thu 3/5

8:45 am-3:35 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Mon 3/9

10:00 pm-7:30 pm

1 stop17h 30m

$802

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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, September 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 $653. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $680.

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 $777. 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 $936.

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 $867 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 $772 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 $693 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	$700
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 $700. 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 $767.

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.

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 November 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 (32.85% of total bookings). The next most popular plane models are Airbus A330-300 (10.83%), Boeing 787-9 Dreamliner (9.56%), and Airbus A380-800 (9.11%).

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
Delta	PriceFrom $320	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom $390	Free Cancellation	Rating 7.4 1,575 reviews	Search Scandinavian Airlines flights
Austrian Airlines	PriceFrom $431	Free Cancellation	Rating 7.6 868 reviews	Search Austrian Airlines flights
TAP AIR PORTUGAL	PriceFrom $473	Free Cancellation	Rating 7.1 2,059 reviews	Search TAP AIR PORTUGAL flights
Icelandair	PriceFrom $510	Free Cancellation	Rating 7.1 578 reviews	Search Icelandair flights
American Airlines	PriceFrom $562	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
United Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights
British Airways	PriceFrom $594	Free Cancellation	Rating 6.7 7,521 reviews	Search British Airways flights
Air Canada	PriceFrom $635	Free Cancellation	Rating 7.1 10,449 reviews	Search Air Canada flights
Aer Lingus	PriceFrom $646	Free Cancellation	Rating 7.2 1,370 reviews	Search Aer Lingus flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Harpers Ferry

Towson

Rockville

Reston

Manassas

Gaithersburg

Fairfax

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 $346

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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

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

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

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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?

23 flights are operational daily from United Kingdom to Washington, D.C. Dulles Intl Airport as of November 2025. The most popular departure time for this route is 4:00PM, with 97% 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 November 2025, 166 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 17% 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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