£64+ Cheap flights from Washington, D.C. Dulles Intl Airport

IAD — LHR
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Find flights from Dulles Intl within your budget

 

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Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Fri 20/11

06:00-13:30

1 stop7h 30m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£87

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Thu 19/11

06:00-13:30

1 stop7h 30m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£87

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Tue 17/11

12:35-17:14

1 stop4h 39m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£87

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Sat 21/11

18:20-22:51

1 stop4h 31m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£99

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Thu 3/12

18:20-22:54

1 stop4h 34m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£99

Washington, D.C.Dallas

IAD Washington, D.C. Dulles Intl - DFW Dallas/Fort Worth

IADDFW

Washington, D.C. Dulles Intl

Thu 26/11

12:35-15:14

Nonstop3h 39m

Dallas/Fort Worth

Wed 31/12

00:00-01:00

Nonstop0h 00m

£103

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Mon 23/11

11:37-17:20

1 stop5h 43m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£103

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Thu 10/12

06:00-11:28

1 stop5h 28m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£103

Washington, D.C.Dallas

IAD Washington, D.C. Dulles Intl - DFW Dallas/Fort Worth

IADDFW

Washington, D.C. Dulles Intl

Thu 10/12

12:35-20:59

1 stop9h 24m

Dallas/Fort Worth

Wed 31/12

00:00-01:00

Nonstop0h 00m

£111

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Wed 27/1

06:01-11:33

1 stop5h 32m

Toronto Pearson Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£111

Flights are sorted by cheapest return flights first.

Deals found on 2/11

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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

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.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of £526). Flying from Washington, D.C. Dulles Intl Airport in June will prove the most costly (average of £968). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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

Booking 70 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.

Airline reviews for flights from Dulles Intl

Get a feel of what it's like to fly with Delta,Virgin Atlantic, andUnited Airlines 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

8.5

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Crew

8.5

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Crew

8.5

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Crew

8.5

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Crew

8.5

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Crew

8.5

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Browse thousands of different options on Cheapflights for your next trip

Alternate flight departure points to Dulles Intl

Related info for your journey

  • 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 Mumbai, Ahmedabad, Atlanta. Throughout the year, Cairo, Casablanca, Mumbai 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 £76 to Detroit Metropolitan Wayne County Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £624 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, American 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 Atlanta Hartsfield-Jackson (£75), American Airlines flights from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth (£80), and Air Canada flights from Washington, D.C. Dulles Intl Airport to Winnipeg (£168).

  • 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 Knoxville from £386
    Washington, D.C. Dulles Intl to Atlanta from £447
    Washington, D.C. Dulles Intl to San Francisco from £782
    Washington, D.C. Dulles Intl to Houston George Bush Intcntl Airport from £839

  • 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 Atlanta. Prices start at £595 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 February; 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 £402 round trip
    Travel from Washington, D.C. to Manchester from £410 round trip
    Travel from Washington, D.C. to Edinburgh from £451 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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