C$ 136+ Cheap flights from Washington, D.C. Dulles Intl Airport

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/5. 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 — YVR
15 May — 22 May1
1 adult
1 adult, Economy, 0 bags

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 2026. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 2/5

3:00 p.m.-9:12 p.m.

1 stop7h 12m

Dallas/Fort Worth

Wed 6/5

5:49 a.m.-2:04 p.m.

1 stop7h 15m

C$ 317

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 30/5

8:05 a.m.-1:57 p.m.

1 stop6h 52m

Dallas/Fort Worth

Wed 3/6

1:58 p.m.-9:24 p.m.

1 stop6h 26m

C$ 317
Quickest round-trip

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 28/5

11:30 a.m.-1:00 p.m.

Nonstop1h 30m

Toronto Island

Thu 4/6

9:15 a.m.-10:46 a.m.

Nonstop1h 31m

C$ 326

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 13/5

4:05 p.m.-5:35 p.m.

Nonstop1h 30m

Toronto Island

Mon 18/5

9:15 a.m.-10:46 a.m.

Nonstop1h 31m

C$ 326

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 2/6

9:45 a.m.-2:22 p.m.

1 stop4h 37m

Toronto Island

Sat 6/6

10:45 a.m.-3:03 p.m.

1 stop4h 18m

C$ 350

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 15/5

4:05 p.m.-5:35 p.m.

Nonstop1h 30m

Toronto Island

Sun 17/5

1:50 p.m.-3:21 p.m.

Nonstop1h 31m

C$ 377

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sun 26/4

12:42 p.m.-3:15 p.m.

Nonstop3h 33m

Dallas/Fort Worth

Tue 5/5

7:20 a.m.-11:23 a.m.

Nonstop3h 03m

C$ 383

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 17/6

7:39 p.m.-12:19 a.m.

1 stop5h 40m

Dallas/Fort Worth

Tue 14/7

8:00 a.m.-2:01 p.m.

1 stop5h 01m

C$ 399

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Mon 11/5

10:14 p.m.-11:54 p.m.

Nonstop1h 40m

Toronto Pearson Intl

Wed 27/5

7:30 a.m.-11:28 a.m.

1 stop3h 58m

C$ 402

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Tue 12/5

5:55 p.m.-8:33 p.m.

Nonstop3h 38m

Dallas/Fort Worth

Tue 19/5

7:00 a.m.-3:58 p.m.

1 stop7h 58m

C$ 412

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/4

Showing 1-10 of 60 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 round-trip 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 round-trip flight from Dulles Intl to Vancouver Intl. Price data was last updated on 10 April 2026.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of C$ 179). Flying from Washington, D.C. Dulles Intl Airport in March will prove the most costly (average of C$ 558). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 629,999 searches.
Get a feel of what it's like to fly with United 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.

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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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 2026.

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 2026.
  • 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, Atlanta, Bangkok Suvarnabhumi 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 C$ 136 to Orlando Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 1,113 to fly from Washington, D.C. Dulles Intl Airport.

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

    According to our data, users have found Frontier, United Airlines, and Porter Airlines to have the cheapest round-trip prices from Washington, D.C. Dulles Intl Airport. Some of the destinations and prices are as follows: Frontier flights from Washington, D.C. Dulles Intl Airport to Atlanta Hartsfield-Jackson (C$ 62). United Airlines flights from Washington, D.C. Dulles Intl Airport to Atlanta Hartsfield-Jackson (C$ 121). Porter Airlines flights from Washington, D.C. Dulles Intl Airport to Moncton Intl (C$ 164).

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

    Options for some of the cheapest premium economy flights from Washington, D.C. Dulles Intl Airport we have found on Cheapflights are as follows:
    Fly from Washington, D.C. Dulles Intl to Toronto Island Airport starting at C$ 754
    Fly from Washington, D.C. Dulles Intl to Atlanta starting at C$ 1,127
    Fly from Washington, D.C. Dulles Intl to Copenhagen starting at C$ 1,763
    Fly from Washington, D.C. Dulles Intl to London Heathrow Airport starting at C$ 2,227

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

    If you’re looking to fly first-class from Washington, D.C. Dulles Intl Airport to anywhere, put Atlanta on your list as prices start at C$ 1,007 for this destination.

  • 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 September; with March 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 Toronto from C$ 270 round trip
    Travel from Washington, D.C. to Montreal from C$ 377 round trip
    Travel from Washington, D.C. to Calgary from C$ 388 round trip
    Travel from Washington, D.C. to Vancouver from C$ 468 round trip
    Travel from Washington, D.C. to Ottawa from C$ 474 round trip

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

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Dulles Intl today with Cheapflights!

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

    Millions of users choose and trust Cheapflights to book the best flight deals from Dulles Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

    Need flexible booking options for your flight from Dulles Intl ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

    Yes, Cheapflights offers price alerts on flights from Dulles Intl so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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How does Cheapflights help users find flights from Dulles Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Dulles Intl today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Dulles Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight from Dulles Intl ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on flights from Dulles Intl so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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