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£287+ Direct flights from Washington, D.C. Dulles Intl Airport

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — LHR
24 Feb — 3 Mar1
1 adult

Direct flights from Dulles Intl

Cheapest flights from Dulles Intl
Explore the most affordable flight options available from Dulles Intl. Find the lowest fares based on data from user searches, with prices last updated on 19 February 2025.

Wed 16/417:50IAD - LHR
Nonstop7h 25mIberia
Wed 23/417:00LHR - IAD
Nonstop8h 10mIberia
Deal found 18/2£456
Tue 22/417:50IAD - LHR
Nonstop7h 25mBritish Airways
Wed 30/412:45LHR - IAD
Nonstop8h 05mBritish Airways
Deal found 17/2£481
Tue 18/319:25IAD - LHR
Nonstop7h 30mVirgin Atlantic
Tue 25/312:25LHR - IAD
Nonstop8h 40mVirgin Atlantic
Deal found 18/2£489
Sun 9/322:55IAD - LHR
Nonstop7h 10mFinnair
Tue 18/316:30LHR - IAD
Nonstop8h 15mFinnair
Deal found 18/2£493
Tue 4/318:25IAD - LHR
Nonstop7h 30mDelta
Tue 11/312:25LHR - IAD
Nonstop8h 40mDelta
Deal found 18/2£501
Sun 20/418:30IAD - LHR
Nonstop7h 25mUnited Airlines
Thu 8/512:15LHR - IAD
Nonstop8h 10mUnited Airlines
Deal found 18/2£503
Thu 3/417:50IAD - LHR
Nonstop7h 25mAmerican Airlines
Sun 13/417:05LHR - IAD
Nonstop8h 10mAmerican Airlines
Deal found 18/2£558
Tue 29/422:20IAD - EDI
Nonstop7h 15mUnited Airlines
Thu 8/512:30EDI - IAD
Nonstop8h 05mUnited Airlines
Deal found 18/2£616

Find direct flights from Dulles Intl within your budget

Use the slider to find direct flights from Dulles Intl within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 858,174 searches. This data was last updated on 19 February 2025.

Fly to

Heathrow

Route

Depart

Return

Price

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 16/4

17:50-06:15

Nonstop7h 25m

London Heathrow

Wed 23/4

17:00-20:10

Nonstop8h 10m

£456

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 22/4

17:50-06:15

Nonstop7h 25m

London Heathrow

Wed 30/4

12:45-15:50

Nonstop8h 05m

£481

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 18/3

19:25-06:55

Nonstop7h 30m

London Heathrow

Tue 25/3

12:25-17:05

Nonstop8h 40m

£489

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 9/3

22:55-10:05

Nonstop7h 10m

London Heathrow

Tue 18/3

12:10-16:35

Nonstop8h 25m

£492

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 5/3

18:25-06:40

Nonstop7h 15m

London Heathrow

Thu 27/3

16:20-20:40

Nonstop8h 20m

£501

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 14/4

18:10-06:45

Nonstop7h 35m

London Heathrow

Tue 29/4

12:45-16:15

Nonstop8h 30m

£522

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 3/4

17:50-06:15

Nonstop7h 25m

London Heathrow

Sun 13/4

17:05-20:15

Nonstop8h 10m

£558

Washington, D.C.Edinburgh

IAD - EDI

IADEDI

Washington, D.C. Dulles Intl

Tue 29/4

22:20-10:35

Nonstop7h 15m

Edinburgh Turnhouse

Thu 8/5

12:30-15:35

Nonstop8h 05m

£616

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 12/3

22:55-10:05

Nonstop7h 10m

£287

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 23/3

22:55-10:05

Nonstop7h 10m

£300

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 20 results
1
2

Best time to book a flight from Dulles Intl

Have a flexible travel schedule? Discover the best time to fly from Dulles Intl 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.

Reviews of airlines flying non-stop to Dulles Intl

Get insights into the airlines that provide direct flights from Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight from Dulles Intl. Reviews last updated Cheapflights.

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very Good

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Access useful and relevant information related to your journey from Dulles Intl. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 19 February 2025.
  • Where can you fly direct from Washington, D.C. Dulles Intl Airport?

    Currently, the most popular direct flight destination from Washington, D.C. Dulles Intl Airport is London Heathrow Airport.

  • How much are direct flights from Washington, D.C. Dulles Intl Airport?

    On average, a one-way direct flight from Washington, D.C. Dulles Intl Airport will cost users approximately £363. If you're looking for a direct round-trip flight from Washington, D.C. Dulles Intl Airport, you can expect to pay around £572.

  • How long is a direct flight from Washington, D.C. Dulles Intl Airport?

    While the flight duration depends heavily on the destination, on average, travelers can expect non-stop flights from Washington, D.C. Dulles Intl Airport to last approximately 5h 09m on average. The quickest direct flight from Washington, D.C. Dulles Intl Airport at this time departs from Washington, D.C. Dulles Intl Airport (1h 35m), while the longest leaves from Washington, D.C. Dulles Intl Airport (18h 01m).

  • What is the best time of year to fly direct from Washington, D.C. Dulles Intl Airport?

    If you're seeking the lowest price on a direct flight from Washington, D.C. Dulles Intl Airport, January is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, January offers travelers the most options.

See more FAQs

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