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£90+ Cheap flights from Washington, D.C. Dulles Intl Airport

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/5. 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
20 Apr — 27 Apr1
1 adult

What to know about flights from Dulles Intl

Discover essential information about flights departing from Dulles Intl, including flight schedules, destinations, airlines operating at the Dulles Intl airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 15 April 2025.

Cheapest airline

Air Canada

Good round-trip deal

£132 or less

Good one-way deal

£36 or less
On average, Air Canada currently has the cheapest one-way flight from Washington, D.C. Dulles Intl (avg. price of £467).
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl.
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Find 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 15 April 2025.

Thu 11/920:30IAD - GLA
1 stop11h 55mIcelandair
Fri 19/914:20GLA - IAD
1 stop12h 50mIcelandair
Deal found 14/4£416
Mon 30/622:40IAD - GLA
1 stop13h 05mBritish Airways
Mon 14/720:50GLA - IAD
1 stop28h 20mBritish Airways
Deal found 15/4£441
Wed 23/706:10IAD - LGW
2 stops22h 50mVirgin Atlantic
Wed 20/812:00LGW - IAD
1 stop12h 37mVirgin Atlantic
Deal found 14/4£454
Mon 1/920:30IAD - LHR
1 stop18h 50mIcelandair
Fri 24/1021:25LHR - IAD
1 stop29h 45mIcelandair
Deal found 14/4£454
Fri 5/920:30IAD - LGW
1 stop10h 15mIcelandair
Fri 12/915:40LGW - IAD
1 stop11h 30mIcelandair
Deal found 14/4£454
Sun 27/422:40IAD - LHR
Nonstop7h 25mAmerican Airlines
Thu 8/506:15LHR - IAD
1 stop13h 45mAmerican Airlines
Deal found 14/4£455
Mon 12/520:30IAD - LGW
1 stop10h 15mMultiple Airlines
Wed 21/510:00LGW - IAD
1 stop33h 53mMultiple Airlines
Deal found 14/4£456
Tue 1/717:20IAD - LHR
1 stop9h 40mAer Lingus
Thu 10/708:50LHR - IAD
1 stop12h 00mAer Lingus
Deal found 14/4£456
Wed 30/418:30IAD - LHR
Nonstop7h 25mUnited Airlines
Wed 7/508:40LHR - IAD
1 stop12h 35mUnited Airlines
Deal found 14/4£457
Tue 6/520:45IAD - LGW
1 stop16h 05mSWISS
Tue 13/518:35LGW - IAD
1 stop26h 40mSWISS
Deal found 14/4£460
Tue 6/522:20IAD - LGW
1 stop12h 15mTAP AIR PORTUGAL
Tue 20/516:25LGW - IAD
1 stop27h 55mTAP AIR PORTUGAL
Deal found 15/4£461
Fri 19/922:40IAD - LHR
Nonstop7h 25mIberia
Tue 7/1006:10LHR - IAD
1 stop13h 50mIberia
Deal found 14/4£461

Find flights from Dulles Intl within your budget

Find flights departing from Dulles Intl that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 15 April 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Thu 11/9

20:30-13:25

1 stop11h 55m

Glasgow Intl

Fri 19/9

14:20-22:10

1 stop12h 50m

£416

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Mon 30/6

22:40-16:45

1 stop13h 05m

Glasgow Intl

Mon 14/7

20:50-20:10

1 stop28h 20m

£441

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 23/7

06:10-10:00

2 stops22h 50m

London Gatwick

Wed 20/8

12:00-19:37

1 stop12h 37m

£454

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 1/9

20:30-20:20

1 stop18h 50m

London Heathrow

Fri 24/10

21:25-22:10

1 stop29h 45m

£454

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 27/4

22:40-11:05

Nonstop7h 25m

London Heathrow

Thu 8/5

06:15-15:00

1 stop13h 45m

£455

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 12/5

20:30-11:45

1 stop10h 15m

London Gatwick

Wed 21/5

10:00-14:53

1 stop33h 53m

£456

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 1/7

17:20-08:00

1 stop9h 40m

London Heathrow

Thu 10/7

08:50-15:50

1 stop12h 00m

£456

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 30/4

18:30-06:55

Nonstop7h 25m

London Heathrow

Wed 7/5

08:40-16:15

1 stop12h 35m

£457

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 6/5

20:45-17:50

1 stop16h 05m

London Gatwick

Tue 13/5

18:35-16:15

1 stop26h 40m

£460

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 6/5

22:20-15:35

1 stop12h 15m

London Gatwick

Tue 20/5

16:25-15:20

1 stop27h 55m

£461

Flights are sorted by cheapest return flights first.

Deals found on 15/4

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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.

Travel insights for flights from Dulles Intl

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

When is the best time to book a flight from Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Dulles Intl to Heathrow. Price data was last updated on 11 April 2025.

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of £369). Flying from Washington, D.C. Dulles Intl Airport in June will prove the most costly (average of £579). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Washington, D.C. Dulles Intl Airport?

Many airlines operate round-trip flights from Washington, D.C. Dulles Intl Airport: Virgin Atlantic, British Airways, United Airlines, Iberia, Lufthansa. These airlines fly to the following popular destinations: London.

British Airways

British Airways

From £567

Virgin Atlantic

Virgin Atlantic

From £562

United Airlines

United Airlines

From £170

Frontier

Frontier

From £38

What are popular destinations to fly to from Washington, D.C. Dulles Intl Airport?

If you’re flying from Washington, D.C. Dulles Intl Airport, these routes are more frequently taken by airlines Chicago (372 flights per day), Orlando (352 flights per day) and London (350 flights per day).

London

London

From £380

Vancouver Intl

Vancouver Intl

From £184

Dublin

Dublin

From £508

Toronto

Toronto

From £84

What is the cheapest place to fly to from Washington, D.C. Dulles Intl Airport?

The cheapest city to fly to from Washington, D.C. Dulles Intl Airport is Orlando, with prices starting at £30. Explore other affordable destinations below.

Orlando

Orlando

From £39

New York

New York

From £64

Montreal

Montreal

From £81

Toronto

Toronto

From £84

Airline reviews for flights from Dulles Intl

Get insights into the airlines that provide service 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 airline for your flight from Dulles Intl. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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.
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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.
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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.
SWISS
7.5
Good
1,578 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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.

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Alternate flight departure points to Dulles Intl

Consider leaving from one of these other departure points that are located a short distance from Dulles Intl. Flight origins were last updated on 15 April 2025.
Flights from Reagan-National

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 15 April 2025.

  • What are the most popular destinations to fly to from Washington, D.C. Dulles Intl Airport?

    This month, the top selected destinations from Washington, D.C. Dulles Intl Airport are Cairo, Amsterdam, Paris Charles de Gaulle Airport. Throughout the year, Mumbai, Cairo, Ahmedabad are some of the top choices made by users flying from Washington, D.C. Dulles Intl Airport.

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to anywhere?

    Users have flown out of Washington, D.C. Dulles Intl Airport for as low as £30 to Orlando Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £531 to fly from Washington, D.C. Dulles Intl Airport.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to anywhere?

    Over the past few days, we've found that Frontier, United Airlines, and Air Canada have the cheapest prices from Washington, D.C. Dulles Intl Airport. Frontier flights from Washington, D.C. Dulles Intl Airport to Tampa (£29), United Airlines flights from Washington, D.C. Dulles Intl Airport to Accra Kotoka (£129), and Air Canada flights from Washington, D.C. Dulles Intl Airport to Toronto Pearson Intl (£132).

  • What is the cheapest premium economy flight from Washington, D.C. Dulles Intl Airport?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Washington, D.C. Dulles Intl Airport.
    Washington, D.C. Dulles Intl to Seattle from £686
    Washington, D.C. Dulles Intl to Orlando Airport from £835
    Washington, D.C. Dulles Intl to Mexico City from £942
    Washington, D.C. Dulles Intl to Paris Charles de Gaulle Airport from £1,206

  • What is the cheapest first class flight from Washington, D.C. Dulles Intl Airport?

    If you’re looking for a cheap first-class flight from Washington, D.C. Dulles Intl Airport, consider Louisville. Prices start at £391 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport?

    At the present moment the cheapest month to fly from Washington, D.C. Dulles Intl Airport is currently January; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Washington, D.C. Dulles Intl Airport?

    Check out the cheapest flights from Washington, D.C. Dulles Intl Airport to embark to:
    Travel from Washington, D.C. to London from £367 round trip
    Travel from Washington, D.C. to Glasgow from £375 round trip
    Travel from Washington, D.C. to Manchester from £390 round trip
    Travel from Washington, D.C. to Edinburgh from £492 round trip

  • How does Cheapflights help users find flights from Dulles Intl?

    Deals for flights from Dulles Intl are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

  • Why should you use Cheapflights to find cheap flight tickets from Dulles Intl?

    Cheapflights helps you find that perfect flight from Dulles Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Dulles Intl with no change fees?

    Certainly. Search results for flights from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from Dulles Intl become cheaper?

    Not ready to book yet? You can track prices for flights from Dulles Intl on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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How does Cheapflights help users find flights from Dulles Intl?

Deals for flights from Dulles Intl are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl?

Cheapflights helps you find that perfect flight from Dulles Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Dulles Intl with no change fees?

Certainly. Search results for flights from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Dulles Intl become cheaper?

Not ready to book yet? You can track prices for flights from Dulles Intl on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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