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

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 13/6. 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
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

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 13 March 2026.

Cheapest airline

Porter Airlines

Good round-trip deal

C$ 174 or less

Good one-way deal

C$ 46 or less
On average, Porter Airlines currently has the cheapest one-way flight from Washington, D.C. Dulles Intl (avg. price of C$ 306).
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl.

Find flights from Dulles Intl

Enter your travel dates to find the best prices.

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 13 March 2026.

Fri 3/411:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 6/43:45 p.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 8/3C$ 320
Thu 2/46:00 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 6/43:45 p.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 9/3C$ 324
Fri 3/411:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sat 11/411:30 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 8/3C$ 325
Thu 23/411:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Thu 30/49:25 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 9/3C$ 327
Fri 19/64:00 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 22/61:45 p.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 8/3C$ 328
Fri 17/46:00 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 26/43:45 p.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 8/3C$ 329
Sat 4/41:45 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 6/43:45 p.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 9/3C$ 331
Fri 3/411:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 8/49:25 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 8/3C$ 332
Thu 16/411:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 19/43:45 p.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 8/3C$ 333
Thu 16/411:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sat 18/411:30 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 8/3C$ 335
Thu 16/411:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Tue 21/49:25 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 9/3C$ 336
Fri 24/46:00 p.m.
IAD
-
YUL
1 stop4h 45m
Multiple Airlines
Fri 1/51:05 p.m.
YUL
-
IAD
Nonstop1h 58m
Multiple Airlines
Deal found 9/3C$ 363

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 8/4

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Wed 29/4

9:25 a.m.-10:54 a.m.

Nonstop1h 29m

C$ 355

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 4/5

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

Nonstop1h 30m

Toronto Island

Thu 7/5

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

Nonstop1h 31m

C$ 396

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 23/4

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Thu 30/4

9:25 a.m.-10:54 a.m.

Nonstop1h 29m

C$ 396

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 5/5

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

Nonstop1h 30m

Toronto Island

Wed 6/5

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

Nonstop1h 31m

C$ 401

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 13/5

8:19 a.m.-10:04 a.m.

Nonstop1h 45m

Toronto Pearson Intl

Sun 17/5

2:30 p.m.-4:09 p.m.

Nonstop1h 39m

C$ 437

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 3/4

5:17 p.m.-7:02 p.m.

Nonstop1h 45m

Toronto Pearson Intl

Fri 10/4

7:43 p.m.-9:25 p.m.

Nonstop1h 42m

C$ 438

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 3/4

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Sun 5/4

9:25 a.m.-10:54 a.m.

Nonstop1h 29m

C$ 438

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 23/4

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Mon 27/4

9:25 a.m.-10:54 a.m.

Nonstop1h 29m

C$ 439

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 5/8

6:00 a.m.-1:25 p.m.

1 stop7h 25m

Toronto Pearson Intl

Mon 10/8

2:15 p.m.-10:59 p.m.

1 stop8h 44m

C$ 445

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 14/5

6:00 a.m.-11:19 a.m.

1 stop5h 19m

Toronto Pearson Intl

Mon 18/5

2:20 p.m.-10:56 p.m.

1 stop8h 36m

C$ 445

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

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 6 March 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 88 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$ 188). Flying from Washington, D.C. Dulles Intl Airport in March will prove the most costly (average of C$ 570). 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.

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

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

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

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 13 March 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 13 March 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, Mumbai, 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 C$ 43 to Orlando Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 918 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$ 61). United Airlines flights from Washington, D.C. Dulles Intl Airport to Atlanta Hartsfield-Jackson (C$ 119). Porter Airlines flights from Washington, D.C. Dulles Intl Airport to Toronto (C$ 162).

  • 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$ 745
    Fly from Washington, D.C. Dulles Intl to Los Angeles starting at C$ 1,019
    Fly from Washington, D.C. Dulles Intl to Atlanta starting at C$ 1,113
    Fly from Washington, D.C. Dulles Intl to Copenhagen starting at C$ 1,743

  • 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$ 995 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$ 347 round trip
    Travel from Washington, D.C. to Montreal from C$ 385 round trip
    Travel from Washington, D.C. to Calgary from C$ 407 round trip
    Travel from Washington, D.C. to Vancouver from C$ 424 round trip
    Travel from Washington, D.C. to Ottawa from C$ 467 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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