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£65+ 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 12/9. 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
30 Aug — 6 Sep1
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 25 August 2025.

Cheapest airline

Air France

Good round-trip deal

£153 or less

Good one-way deal

£59 or less
On average, Air France currently has the cheapest one-way flight from Washington, D.C. Dulles Intl (avg. price of £519).
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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 25 August 2025.

Wed 8/1009:35IAD - YYZ
1 stop4h 59mAir Canada
Wed 15/1008:10YYZ - IAD
Nonstop1h 28mAir Canada
Deal found 24/8£164
Sat 20/918:16IAD - YYZ
1 stop4h 40mDelta
Mon 22/916:12YYZ - IAD
1 stop6h 54mDelta
Deal found 25/8£213
Tue 21/1006:15IAD - YYZ
1 stop7h 32mMultiple Airlines
Tue 21/1016:30YYZ - IAD
1 stop4h 35mMultiple Airlines
Deal found 24/8£220
Thu 11/909:50IAD - YYZ
1 stop7h 33mDelta
Tue 16/916:12YYZ - IAD
1 stop6h 54mDelta
Deal found 25/8£222
Fri 19/917:22IAD - YYZ
Nonstop1h 43mMultiple Airlines
Wed 24/908:10YYZ - IAD
Nonstop1h 28mMultiple Airlines
Deal found 25/8£227
Wed 10/906:00IAD - YYZ
1 stop7h 32mDelta
Thu 11/916:12YYZ - IAD
1 stop6h 54mDelta
Deal found 25/8£230
Fri 3/1008:28IAD - YYZ
Nonstop1h 36mMultiple Airlines
Tue 7/1015:00YYZ - IAD
1 stop6h 05mMultiple Airlines
Deal found 25/8£231
Fri 19/922:32IAD - YYZ
1 stop10h 47mMultiple Airlines
Fri 26/908:10YYZ - IAD
Nonstop1h 28mMultiple Airlines
Deal found 24/8£234
Mon 13/1022:05IAD - LHR
1 stop15h 25mScandinavian Airlines
Wed 22/1006:40LHR - IAD
1 stop18h 19mScandinavian Airlines
Deal found 25/8£366
Sat 21/220:30IAD - LHR
2 stops17h 20mScandinavian Airlines
Sat 28/206:40LHR - IAD
1 stop17h 10mScandinavian Airlines
Deal found 24/8£368
Wed 10/1220:30IAD - LHR
2 stops14h 55mScandinavian Airlines
Mon 15/1206:40LHR - IAD
1 stop15h 35mScandinavian Airlines
Deal found 25/8£368
Mon 13/1022:05IAD - LHR
2 stops13h 55mScandinavian Airlines
Thu 23/1006:40LHR - IAD
1 stop18h 19mScandinavian Airlines
Deal found 25/8£370

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 25 August 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.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 8/10

09:35-14:34

1 stop4h 59m

Toronto Pearson Intl

Wed 15/10

08:10-09:38

Nonstop1h 28m

£164

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 18/9

06:00-09:22

1 stop3h 22m

Toronto Pearson Intl

Mon 22/9

16:12-23:06

1 stop6h 54m

£213

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 20/9

06:00-09:22

1 stop3h 22m

Toronto Pearson Intl

Tue 23/9

06:30-11:28

1 stop4h 58m

£213

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 20/9

18:16-22:56

1 stop4h 40m

Toronto Pearson Intl

Thu 25/9

06:03-11:56

1 stop5h 53m

£213

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 29/10

06:05-11:20

1 stop5h 15m

Toronto Pearson Intl

Sat 1/11

09:45-16:29

1 stop6h 44m

£213

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 25/9

06:00-09:22

1 stop3h 22m

Toronto Pearson Intl

Mon 29/9

16:12-23:06

1 stop6h 54m

£213

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sun 21/9

06:00-09:22

1 stop3h 22m

Toronto Pearson Intl

Mon 22/9

18:13-23:06

1 stop4h 53m

£213

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 6/11

06:05-14:45

1 stop8h 40m

Toronto Pearson Intl

Sat 8/11

18:09-23:00

1 stop4h 51m

£213

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Wed 19/11

19:40-20:15

1 stop19h 35m

London Luton

Tue 25/11

07:00-18:30

1 stop16h 30m

£370

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 27/10

20:40-21:20

2 stops20h 40m

London Stansted

Mon 3/11

06:30-18:30

2 stops17h 00m

£373

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 60 results
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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 22 August 2025.

Booking 63 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of £325). Flying from Washington, D.C. Dulles Intl Airport in June will prove the most costly (average of £556). 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: British Airways, Virgin Atlantic, United Airlines, Iberia, Lufthansa. These airlines fly to the following popular destinations: London.

British Airways
British Airways
From £518
Virgin Atlantic
Virgin Atlantic
From £507
United Airlines
United Airlines
From £103
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 (378 flights per day), London (376 flights per day) and Detroit (322 flights per day).

London
London
From £362
Istanbul
Istanbul
From £250
Reykjavik
Reykjavik
From £299
Dublin
Dublin
From £319

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 Dallas/Fort Worth, with prices starting at £59. Explore other affordable destinations below.

Dallas/Fort Worth
Dallas/Fort Worth
From £79
New York
New York
From £93
Orlando
Orlando
From £103
Providence-TFGreen
Providence-TFGreen
From £112

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.
Get a feel of what it's like to fly with United Airlines, Virgin Atlantic, andIberia 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.
United Airlines
7.4
Good
8,940 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,940 reviews
United Airlines
7.4
Good
8,940 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Virgin Atlantic
7.4
Good
658 reviews
United Airlines
7.4
Good
8,940 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
2,889 reviews
United Airlines
7.4
Good
8,940 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,359 reviews
United Airlines
7.4
Good
8,940 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,305 reviews
United Airlines
7.4
Good
8,940 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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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 25 August 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 25 August 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, Athens, Atlanta. 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 £59 to Dallas/Fort Worth Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £440 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 Chicago Midway (£28), United Airlines flights from Washington, D.C. Dulles Intl Airport to Accra Kotoka (£77), and Air Canada flights from Washington, D.C. Dulles Intl Airport to Toronto Pearson Intl (£128).

  • 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 Jacksonville from £363
    Washington, D.C. Dulles Intl to Orlando Airport from £815
    Washington, D.C. Dulles Intl to Paris Charles de Gaulle Airport from £1,176
    Washington, D.C. Dulles Intl to London Heathrow Airport from £1,207

  • 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 £381 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 August; 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 £288 round trip
    Travel from Washington, D.C. to Glasgow from £389 round trip
    Travel from Washington, D.C. to Edinburgh from £420 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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