£328+ 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 15/8. 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
21 Jun — 28 Jun1
1 adult
1 adult, Economy, 0 bags

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 22 May 2026.

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 19/8

22:55-11:20

Nonstop7h 25m

London Heathrow

Tue 25/8

17:55-20:55

Nonstop8h 00m

£656

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 3/9

18:30-06:55

Nonstop7h 25m

London Heathrow

Wed 9/9

12:15-15:30

Nonstop8h 15m

£692

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 5/9

22:55-11:20

Nonstop7h 25m

London Heathrow

Tue 15/9

17:55-20:55

Nonstop8h 00m

£692

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 2/9

17:45-06:20

Nonstop7h 35m

London Heathrow

Mon 7/9

17:05-20:20

Nonstop8h 15m

£693

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 18/8

22:15-10:40

Nonstop7h 25m

London Heathrow

Sat 29/8

16:40-20:00

Nonstop8h 20m

£693

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 4/8

22:55-11:20

Nonstop7h 25m

London Heathrow

Mon 17/8

17:55-20:55

Nonstop8h 00m

£728

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 1/10

22:55-11:20

Nonstop7h 25m

London Heathrow

Mon 5/10

17:55-20:55

Nonstop8h 00m

£729

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 14/8

18:30-06:55

Nonstop7h 25m

London Heathrow

Sat 22/8

16:40-20:00

Nonstop8h 20m

£729

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 28/8

18:30-06:55

Nonstop7h 25m

London Heathrow

Fri 18/9

16:40-20:15

Nonstop8h 35m

£729

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 26/9

21:30-09:50

Nonstop7h 20m

London Heathrow

Sun 4/10

14:00-17:25

Nonstop8h 25m

£730

Flights are sorted by cheapest return flights first.

Deals found on 18/5

Showing 1-10 of 40 resultsSorted by cheapest first
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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.
Get a feel of what it's like to fly with Virgin Atlantic,United Airlines, andIcelandair from Washington, D.C. Dulles Intl Airport by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.1

Food

6.9

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Crew

8.1

Food

6.9

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Crew

8.1

Food

6.9

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Crew

8.1

Food

6.9

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Crew

8.1

Food

6.9

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Crew

8.1

Food

6.9

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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 22 May 2026.
  • 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 £258. If you're looking for a direct round-trip flight from Washington, D.C. Dulles Intl Airport, you can expect to pay around £422.

  • 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 4h 10m 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 26m), while the longest leaves from Washington, D.C. Dulles Intl Airport (10h 25m).

  • 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, September is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, February offers travelers the most options.

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