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£354+ Cheap flights to Dulles Intl

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
22 Jan — 29 Jan1
1 adult

Flights to Dulles Intl in 2025

Find the latest flights to Dulles Intl in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 17 January 2025.

Return from

£381

One-way from

£354

Popular in

July

Cheapest in

February

Average price

£534
PLAY
  • PLAY
  • 25/1-26/1
  • 2 total stops
  • 21h 50m total
  • London to Washington, D.C.
10/3
  • 10/3
  • 3 total stops
  • 49h 25m total
  • London to Washington, D.C.
High demand for flights, 12% potential price rise
Best time to find cheap flights, 1% potential price drop
Average for return flights in January 2025

Find flight deals to Dulles Intl Airport

Cheapest flights to Dulles Intl Airport
Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 17 January 2025.

Fri 28/212:15LHR - IAD
1 stop11h 10mIcelandair
Thu 20/320:40IAD - LHR
1 stop18h 50mIcelandair
Deal found 17/1£455
Mon 22/906:00LHR - IAD
1 stop13h 35mMultiple Airlines
Wed 8/1022:25IAD - LHR
Nonstop7h 15mMultiple Airlines
Deal found 17/1£457
Wed 5/207:40LHR - IAD
1 stop13h 15mLufthansa
Tue 11/222:15IAD - LHR
Nonstop7h 35mLufthansa
Deal found 16/1£458
Mon 17/218:30LHR - IAD
1 stop25h 00mTAP AIR PORTUGAL
Mon 24/219:15IAD - LHR
1 stop22h 25mTAP AIR PORTUGAL
Deal found 16/1£459
Thu 13/215:55LGW - IAD
1 stop34h 05mTAP AIR PORTUGAL
Sun 23/222:30IAD - LGW
1 stop12h 15mTAP AIR PORTUGAL
Deal found 16/1£461
Mon 27/108:40LHR - IAD
1 stop12h 05mKLM
Mon 3/218:45IAD - LHR
Nonstop7h 30mKLM
Deal found 17/1£462
Mon 27/105:55LTN - IAD
2 stops17h 30mMultiple Airlines
Fri 31/119:40IAD - LTN
2 stops18h 10mMultiple Airlines
Deal found 16/1£467
Thu 6/214:05LGW - IAD
2 stops33h 20mMultiple Airlines
Mon 10/219:40IAD - LGW
2 stops18h 10mMultiple Airlines
Deal found 16/1£469
Mon 27/108:15STN - IAD
2 stops15h 10mMultiple Airlines
Fri 31/119:40IAD - STN
2 stops17h 30mMultiple Airlines
Deal found 16/1£469
Fri 28/311:55LGW - IAD
1 stop11h 30mIcelandair
Sun 30/320:30IAD - LGW
1 stop10h 15mIcelandair
Deal found 16/1£471
Wed 12/206:30LHR - IAD
2 stops19h 51mUnited Airlines
Wed 19/222:50IAD - LHR
Nonstop7h 15mUnited Airlines
Deal found 16/1£472
Tue 28/108:40LHR - IAD
1 stop12h 05mVirgin Atlantic
Thu 6/220:40IAD - LHR
Nonstop7h 30mVirgin Atlantic
Deal found 17/1£477

Find flights to Dulles Intl within your budget

Locate flights to Dulles Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 17 January 2025.

Fly from

Any airport

Route

Depart

Return

Price

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 5/2

07:40-15:55

1 stop13h 15m

Washington, D.C. Dulles Intl

Tue 11/2

22:15-10:50

Nonstop7h 35m

£458

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 17/2

18:30-14:30

1 stop25h 00m

Washington, D.C. Dulles Intl

Mon 24/2

19:15-22:40

1 stop22h 25m

£459

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Fri 28/3

15:00-07:27

2 stops44h 27m

Washington, D.C. Dulles Intl

Sun 30/3

18:30-06:55

Nonstop7h 25m

£461

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 13/2

15:55-21:00

1 stop34h 05m

Washington, D.C. Dulles Intl

Sun 23/2

22:30-15:45

1 stop12h 15m

£461

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 27/1

08:40-15:45

1 stop12h 05m

Washington, D.C. Dulles Intl

Mon 3/2

18:45-07:15

Nonstop7h 30m

£462

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 30/1

07:50-18:25

2 stops15h 35m

Washington, D.C. Dulles Intl

Thu 6/2

19:40-21:05

2 stops20h 25m

£464

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 13/3

12:15-19:25

1 stop11h 10m

Washington, D.C. Dulles Intl

Mon 24/3

20:40-10:50

1 stop10h 10m

£466

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Mon 27/1

05:55-18:25

2 stops17h 30m

Washington, D.C. Dulles Intl

Fri 31/1

19:40-18:50

2 stops18h 10m

£467

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 6/2

14:05-18:25

2 stops33h 20m

Washington, D.C. Dulles Intl

Mon 10/2

19:40-18:50

2 stops18h 10m

£469

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Mon 27/1

08:15-18:25

2 stops15h 10m

Washington, D.C. Dulles Intl

Fri 31/1

19:40-18:10

2 stops17h 30m

£469

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 56 results
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Best time to book a flight to Dulles Intl

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

Travel insights for flights to Dulles Intl

Get recent, data-driven insights about flights to Dulles Intl including ideal travel times, pricing trends, and more.

When is the best time to book a flight to Dulles Intl?

Use this chart to determine the optimal time to book a return flight from London to Dulles Intl. Price data was last updated on 10 January 2025.

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights to Dulles Intl. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Dulles Intl?

On average, a flight from London to Dulles Intl takes 13 hours 45 minutes. Flights to Dulles Intl from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Dulles Intl?

Use this chart to determine the cheapest time to fly return from London to Dulles Intl. Price data was last updated on 2 June 2024.

Users looking for the lowest fares to Dulles Intl should consider flying on Tuesday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday afternoons, when prices are usually at their highest.

Weekly flight availability to Dulles Intl

The most flights from London to Dulles Intl are scheduled on a Wednesday (26 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 on average).

What are the cheapest airlines that fly to Dulles Intl?

The cheapest airlines flying from London to Dulles Intl are PLAY, Delta and Icelandair.

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Dulles Intl ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Dulles Intl when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Dulles Intl, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to 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 to Dulles Intl. Reviews last updated 17 January 2025.
Get a feel of what it's like to fly with TAP AIR PORTUGAL, Icelandair and Virgin Atlantic to Washington, D.C. by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,513 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

8.0
Very Good
8,513 reviews
8.0
Very Good
8,513 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

7.8
Good
1,339 reviews
8.0
Very Good
8,513 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

7.6
Good
1,285 reviews
8.0
Very Good
8,513 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

7.6
Good
786 reviews
8.0
Very Good
8,513 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

7.5
Good
1,598 reviews
8.0
Very Good
8,513 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Washington Dulles International Airport handles close to 24 million passengers each year. This architecturally beautiful airport is situated 42km (26 miles) from downtown Washington DC and serves a metropolitan area that includes Washington, Baltimore and Northern Virginia.

Washington Dulles International Airport was named after John Foster Dulles who was a former US Secretary of State. The airport is well-connected to Washington and Virginia, it is also connected to more than 125 destinations around the world, making it a popular gateway to the eastern United States.

The airport has a range of shopping options including book shops, fashion, jewellery, gifts, gadgets and music. The duty-free shops at the Washington Dulles International Airport are well-stocked and the amenities are top-class.

The airport serves as a hub for United Airlines, however passengers can book flights to Washington Dulles International Airport on most major international and domestic airlines.

  • Can I find cheaper flights to Dulles Intl if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Dulles Intl on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Dulles Intl?

    Based on reviews from Cheapflights users, PLAY is rated the highest out of the airlines that fly to Dulles Intl.

  • What is the cheapest airport to fly to in Dulles Intl?

    Washington, D.C. Dulles Intl is currently the cheapest airport to fly to in Dulles Intl. One-way flights to Washington, D.C. Dulles Intl typically cost £85, while return flights cost around £89.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around £1,409, however they can be found for as little as £109.

  • Where does the fastest flight to Dulles Intl depart from?

    For those looking to save time traveling to Dulles Intl, London offers the quickest one-way flight (8 hours 5 minutes).

  • Does Washington, D.C. Dulles Intl have car hire?

    Yes. Those touching down at Washington, D.C. Dulles Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Washington, D.C. Dulles Intl?

    Yes. Washington, D.C. Dulles Intl has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl (0.0 mi away from Washington, D.C. Dulles Intl).

See more FAQs

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Arlington
Woodbridge
College Park
Laurel
Tysons

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