Cheap flight deals from United Kingdom to Dulles Intl

Round-trip from	£448
One-way from	£269
Popular in	July
Cheapest in	February
Average price	£531
Good round-trip deal	£500 or less
Good one-way deal	£611 or less

Scandinavian Airlines
22/9-6/10
2 total stops
45h 19m total
United Kingdom to Washington, D.C.

Search Deals

14/5
2 total stops
27h 05m total
United Kingdom to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£55 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from United Kingdom to Washington, D.C. Dulles Intl.

Search Deals

Price to beat on a one-way flight from United Kingdom to Washington, D.C. Dulles Intl.

Search Deals

Find flight deals from United Kingdom to Dulles Intl

Cheapest flights from United Kingdom to Dulles Intl
Explore the most affordable flight options available from United Kingdom to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Mon 22/919:10BHX - IAD

1 stop29h 49mScandinavian Airlines

Mon 6/1022:05IAD - BHX

1 stop15h 30mScandinavian Airlines

Deal found 28/4£448

Tue 27/520:15BHX - IAD

2 stops30h 55mMultiple Airlines

Tue 3/620:30IAD - BHX

2 stops15h 55mMultiple Airlines

Deal found 29/4£469

Sat 14/610:00LGW - IAD

1 stop13h 30mMultiple Airlines

Sun 17/822:20IAD - LGW

1 stop11h 50mMultiple Airlines

Deal found 28/4£470

Fri 9/513:05LHR - IAD

1 stop11h 15mIcelandair

Mon 12/520:30IAD - LHR

1 stop10h 25mIcelandair

Deal found 28/4£472

Mon 5/509:00LTN - IAD

2 stops15h 20mMultiple Airlines

Sun 11/520:30IAD - LTN

2 stops14h 10mMultiple Airlines

Deal found 28/4£473

Fri 5/906:40LHR - IAD

1 stop18h 19mScandinavian Airlines

Thu 25/922:05IAD - LHR

1 stop12h 55mScandinavian Airlines

Deal found 28/4£473

Sat 24/506:50LHR - IAD

1 stop11h 40mLufthansa

Sat 31/522:11IAD - LHR

1 stop32h 39mLufthansa

Deal found 28/4£476

Thu 8/513:00LGW - IAD

1 stop11h 20mIcelandair

Wed 14/520:30IAD - LGW

1 stop13h 10mIcelandair

Deal found 29/4£479

Thu 8/522:55STN - IAD

2 stops22h 20mMultiple Airlines

Sun 18/522:20IAD - STN

2 stops17h 55mMultiple Airlines

Deal found 28/4£483

Fri 9/513:45LHR - IAD

1 stop31h 30mUnited Airlines

Sat 10/519:59IAD - LHR

1 stop32h 41mUnited Airlines

Deal found 29/4£487

Thu 23/1010:35LGW - IAD

1 stop15h 15mTAP AIR PORTUGAL

Sat 1/1118:30IAD - LGW

1 stop11h 20mTAP AIR PORTUGAL

Deal found 28/4£489

Sat 24/514:25GLA - IAD

1 stop12h 45mIcelandair

Tue 10/623:15IAD - GLA

1 stop9h 10mIcelandair

Deal found 28/4£499

Best flights from United Kingdom to Dulles Intl
Discover carefully curated flight deals from United Kingdom to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 April 2025.

Mon 22/919:10BHX - IAD

1 stop29h 49mScandinavian Airlines

Mon 6/1022:05IAD - BHX

1 stop15h 30mScandinavian Airlines

Deal found 28/4£448

Tue 27/520:15BHX - IAD

2 stops30h 55mMultiple Airlines

Tue 3/620:30IAD - BHX

2 stops15h 55mMultiple Airlines

Deal found 29/4£469

Fri 9/513:05LHR - IAD

1 stop11h 15mIcelandair

Mon 12/520:30IAD - LHR

1 stop10h 25mIcelandair

Deal found 28/4£472

Thu 22/507:30LHR - IAD

1 stop12h 45mLufthansa

Sat 31/522:11IAD - LHR

1 stop30h 24mLufthansa

Deal found 28/4£475

Thu 23/1010:35LGW - IAD

1 stop15h 15mTAP AIR PORTUGAL

Sat 1/1118:30IAD - LGW

1 stop11h 20mTAP AIR PORTUGAL

Deal found 28/4£489

Mon 2/606:50LHR - IAD

3 stops33h 24mAir Canada

Tue 10/615:30IAD - LHR

1 stop13h 05mAir Canada

Deal found 28/4£501

Fri 23/516:40LHR - IAD

Nonstop8h 20mAustrian Airlines

Sat 24/517:53IAD - LHR

1 stop39h 17mAustrian Airlines

Deal found 29/4£510

Fri 23/514:25LHR - IAD

Nonstop8h 00mBritish Airways

Wed 28/519:25IAD - LHR

Nonstop7h 20mBritish Airways

Deal found 29/4£525

Fri 5/918:40LGW - IAD

1 stop26h 35mSWISS

Fri 26/920:45IAD - LGW

1 stop16h 05mSWISS

Deal found 28/4£528

Fri 9/509:00LHR - IAD

1 stop12h 20mVirgin Atlantic

Fri 16/512:25IAD - LHR

1 stop13h 00mVirgin Atlantic

Deal found 28/4£529

Fri 5/908:40LHR - IAD

1 stop12h 35mUnited Airlines

Mon 22/918:40IAD - LHR

Nonstop7h 15mUnited Airlines

Deal found 28/4£530

Fri 9/512:35LHR - IAD

Nonstop8h 25mAir France

Mon 12/517:50IAD - LHR

Nonstop7h 30mAir France

Deal found 28/4£533

Direct flights from United Kingdom to Dulles Intl
Explore direct flight options from United Kingdom to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 April 2025.

Tue 16/912:35LHR - IAD

Nonstop8h 25mVirgin Atlantic

Sun 21/917:50IAD - LHR

Nonstop7h 30mVirgin Atlantic

Deal found 28/4£522

Fri 23/514:25LHR - IAD

Nonstop8h 00mBritish Airways

Wed 28/519:25IAD - LHR

Nonstop7h 20mBritish Airways

Deal found 29/4£525

Fri 9/512:35LHR - IAD

Nonstop8h 25mAir France

Mon 12/517:50IAD - LHR

Nonstop7h 30mAir France

Deal found 28/4£533

Wed 14/512:15LHR - IAD

Nonstop8h 10mLufthansa

Sun 18/518:30IAD - LHR

Nonstop7h 25mLufthansa

Deal found 28/4£537

Sun 7/912:15LHR - IAD

Nonstop8h 15mAustrian Airlines

Fri 26/922:25IAD - LHR

Nonstop7h 15mAustrian Airlines

Deal found 28/4£557

Sun 31/812:35LHR - IAD

Nonstop8h 25mDelta

Tue 30/917:50IAD - LHR

Nonstop7h 30mDelta

Deal found 28/4£560

Sat 6/912:15LHR - IAD

Nonstop8h 15mMultiple Airlines

Mon 29/922:25IAD - LHR

Nonstop7h 15mMultiple Airlines

Deal found 28/4£573

Tue 9/914:30LHR - IAD

Nonstop8h 05mAmerican Airlines

Sat 27/919:25IAD - LHR

Nonstop7h 20mAmerican Airlines

Deal found 28/4£573

Wed 27/812:30EDI - IAD

Nonstop8h 05mLufthansa

Wed 17/922:25IAD - EDI

Nonstop7h 10mLufthansa

Deal found 28/4£611

Sun 11/512:30EDI - IAD

Nonstop8h 05mUnited Airlines

Sun 18/522:20IAD - EDI

Nonstop7h 15mUnited Airlines

Deal found 27/4£633

Tue 3/612:45LHR - IAD

Nonstop8h 05mIberia

Tue 10/617:40IAD - LHR

Nonstop7h 35mIberia

Deal found 28/4£669

Thu 12/616:40LHR - IAD

Nonstop8h 20mUnited Airlines

Thu 19/618:35IAD - LHR

Nonstop7h 20mUnited Airlines

Deal found 28/4£918

Last-minute flights from United Kingdom to Dulles Intl
Discover last-minute flight deals from United Kingdom to Dulles Intl. Data last updated 29 April 2025 and is based on user searches.

Mon 5/509:00LTN - IAD

2 stops15h 20mMultiple Airlines

Sun 11/520:30IAD - LTN

2 stops14h 10mMultiple Airlines

Deal found 28/4£473

Mon 5/509:45LGW - IAD

2 stops14h 35mMultiple Airlines

Tue 13/520:30IAD - LGW

2 stops13h 40mMultiple Airlines

Deal found 28/4£477

Mon 5/506:15LHR - IAD

1 stop15h 05mVirgin Atlantic

Sun 11/517:50IAD - LHR

Nonstop7h 30mVirgin Atlantic

Deal found 28/4£522

Mon 5/520:55MAN - IAD

2 stops27h 25mMultiple Airlines

Mon 12/520:30IAD - MAN

3 stops35h 00mMultiple Airlines

Deal found 28/4£525

Mon 5/506:00LHR - IAD

1 stop13h 35mAustrian Airlines

Mon 12/522:15IAD - LHR

Nonstop7h 25mAustrian Airlines

Deal found 28/4£531

Mon 5/508:10BHX - IAD

1 stop15h 45mAer Lingus

Mon 19/520:25IAD - BHX

1 stop18h 20mAer Lingus

Deal found 28/4£535

Wed 7/508:40LHR - IAD

1 stop12h 35mLufthansa

Mon 19/522:26IAD - LHR

1 stop17h 14mLufthansa

Deal found 28/4£511

Wed 7/508:40LHR - IAD

1 stop12h 35mUnited Airlines

Sun 11/515:35IAD - LHR

1 stop12h 45mUnited Airlines

Deal found 28/4£530

Thu 8/513:00LGW - IAD

1 stop11h 20mIcelandair

Wed 14/520:30IAD - LGW

1 stop13h 10mIcelandair

Deal found 29/4£479

Thu 8/522:55STN - IAD

2 stops22h 20mMultiple Airlines

Sun 18/522:20IAD - STN

2 stops17h 55mMultiple Airlines

Deal found 28/4£483

Fri 9/513:05LHR - IAD

1 stop11h 15mIcelandair

Mon 12/520:30IAD - LHR

1 stop10h 25mIcelandair

Deal found 28/4£472

Fri 9/508:40LHR - IAD

1 stop12h 35mMultiple Airlines

Sun 11/522:15IAD - LHR

Nonstop7h 25mMultiple Airlines

Deal found 28/4£516

One-way flights from United Kingdom to Dulles Intl
Search for one-way flight options from United Kingdom to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 29 April 2025.

Wed 14/517:15EDI - IAD

2 stops27h 05mMultiple Airlines

Deal found 28/4£269

Mon 5/518:45MAN - IAD

3 stops49h 35mMultiple Airlines

Deal found 29/4£280

Thu 15/508:10GLA - IAD

2 stops30h 29mMultiple Airlines

Deal found 28/4£302

Sat 31/521:15STN - IAD

2 stops47h 05mMultiple Airlines

Deal found 29/4£318

Thu 8/506:40LTN - IAD

2 stops19h 10mMultiple Airlines

Deal found 28/4£319

Tue 13/520:50LHR - IAD

3 stops42h 26mMultiple Airlines

Deal found 29/4£320

Fri 13/622:00LGW - IAD

3 stops28h 08mMultiple Airlines

Deal found 28/4£320

Wed 7/508:00LHR - IAD

1 stop12h 20mTAP AIR PORTUGAL

Deal found 27/4£333

Tue 6/516:25LGW - IAD

1 stop27h 55mTAP AIR PORTUGAL

Deal found 29/4£338

Tue 13/514:10LHR - IAD

1 stop32h 44mWestJet

Deal found 29/4£350

Mon 11/810:30EDI - IAD

2 stops17h 29mWestJet

Deal found 28/4£374

Thu 22/510:45LGW - IAD

3 stops29h 55mWestJet

Deal found 28/4£393

Cheapflights 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

BirminghamWashington, D.C.

BHX - IAD

BHXIAD

Birmingham

Mon 22/9

19:10-19:59

1 stop29h 49m

Washington, D.C. Dulles Intl

Mon 6/10

22:05-18:35

1 stop15h 30m

£448

BirminghamWashington, D.C.

BHX - IAD

BHXIAD

Birmingham

Tue 27/5

20:15-22:10

2 stops30h 55m

Washington, D.C. Dulles Intl

Tue 3/6

20:30-17:25

2 stops15h 55m

£469

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sat 14/6

10:00-18:30

1 stop13h 30m

Washington, D.C. Dulles Intl

Sun 17/8

22:20-15:10

1 stop11h 50m

£470

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Fri 9/5

13:05-19:20

1 stop11h 15m

Washington, D.C. Dulles Intl

Mon 12/5

20:30-11:55

1 stop10h 25m

£472

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Fri 5/9

06:40-19:59

1 stop18h 19m

Washington, D.C. Dulles Intl

Thu 25/9

22:05-16:00

1 stop12h 55m

£473

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 22/5

07:30-15:15

1 stop12h 45m

Washington, D.C. Dulles Intl

Sat 31/5

22:11-09:35

1 stop30h 24m

£475

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 28/5

18:45-15:50

2 stops26h 05m

Washington, D.C. Dulles Intl

Tue 3/6

15:25-13:00

2 stops16h 35m

£486

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Fri 9/5

13:45-16:15

1 stop31h 30m

Washington, D.C. Dulles Intl

Sat 10/5

19:59-09:40

1 stop32h 41m

£487

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 23/10

10:35-20:50

1 stop15h 15m

Washington, D.C. Dulles Intl

Sat 1/11

18:30-09:50

1 stop11h 20m

£489

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sat 24/5

14:25-22:10

1 stop12h 45m

Washington, D.C. Dulles Intl

Tue 10/6

23:15-13:25

1 stop9h 10m

£499

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 60 results

...

Best time to book a flight from United Kingdom to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from United Kingdom with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Washington, D.C. Dulles Intl Airport

Rainfall in Dulles Intl by month

Temperature in Dulles Intl by month

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Delta, KLM and Finnair from United Kingdom to Washington, D.C. by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

7,929 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,273 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines

7.6

Good

780 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,588 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Silver Spring

Arlington

Woodbridge

College Park

Laurel

Tysons

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from United Kingdom to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest£250	Average£444	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
Delta	Cheapest£320	Average£765	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
TAP AIR PORTUGAL	Cheapest£352	Average£582	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Icelandair	Cheapest£376	Average£542	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Brussels Airlines	Cheapest£383	Average£718	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Scandinavian Airlines	Cheapest£414	Average£565	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Aer Lingus	Cheapest£426	Average£642	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Air France	Cheapest£442	Average£742	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Finnair	Cheapest£451	Average£641	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
British Airways	Cheapest£454	Average£626	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from the United Kingdom to Washington, D.C. Dulles Intl Airport from £269

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Dulles Intl

Keep the following information in mind while searching for United Kingdom to Dulles Intl flight deals. Data was last updated 29 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from United Kingdom to Dulles Intl

Cheapest flights from United Kingdom to Dulles IntlExplore the most affordable flight options available from United Kingdom to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Explore the most affordable flight options available from United Kingdom to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Cheapflights 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.

Best time to book a flight from United Kingdom to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from United Kingdom with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Washington, D.C. Dulles Intl Airport

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Delta, KLM and Finnair from United Kingdom to Washington, D.C. by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Travelling to a place near the United Kingdom?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from United Kingdom to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from United Kingdom to Dulles Intl
Explore the most affordable flight options available from United Kingdom to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.