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C$ 155+ 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 17/8. 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 — YUL
24 Aug — 31 Aug1
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 25 July 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.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Mon 5/10

11:10 a.m.-3:15 p.m.

1 stop4h 05m

Toronto Pearson Intl

Tue 6/10

6:10 p.m.-11:11 p.m.

1 stop5h 01m

C$ 380
Quickest round-trip

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 2/9

11:25 a.m.-12:55 p.m.

Nonstop1h 30m

Toronto Island

Sat 5/9

1:40 p.m.-3:10 p.m.

Nonstop1h 30m

C$ 393

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 25/8

3:50 p.m.-5:20 p.m.

Nonstop1h 30m

Toronto Island

Sat 29/8

1:40 p.m.-3:10 p.m.

Nonstop1h 30m

C$ 393

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 20/8

11:25 a.m.-12:55 p.m.

Nonstop1h 30m

Toronto Island

Tue 25/8

1:40 p.m.-3:10 p.m.

Nonstop1h 30m

C$ 393

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 17/8

11:25 a.m.-12:55 p.m.

Nonstop1h 30m

Toronto Island

Mon 24/8

1:40 p.m.-3:10 p.m.

Nonstop1h 30m

C$ 393

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 22/8

11:25 a.m.-12:55 p.m.

Nonstop1h 30m

Toronto Island

Tue 25/8

9:15 a.m.-10:45 a.m.

Nonstop1h 30m

C$ 393

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 30/9

6:45 a.m.-11:43 a.m.

1 stop4h 58m

Toronto Pearson Intl

Sat 10/10

6:55 p.m.-8:25 p.m.

Nonstop1h 30m

C$ 404

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 10/11

12:39 p.m.-2:25 p.m.

Nonstop1h 46m

Toronto Pearson Intl

Tue 17/11

2:15 p.m.-3:45 p.m.

Nonstop1h 30m

C$ 435

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 15/8

3:40 p.m.-8:44 p.m.

1 stop5h 04m

Toronto Pearson Intl

Tue 18/8

2:30 p.m.-4:07 p.m.

Nonstop1h 37m

C$ 449

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 15/8

5:16 p.m.-10:59 p.m.

1 stop5h 43m

Toronto Pearson Intl

Tue 18/8

4:10 p.m.-11:26 p.m.

1 stop7h 16m

C$ 456

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/7

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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.

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of C$ 407). Flying from Washington, D.C. Dulles Intl Airport in July will prove the most costly (average of C$ 739). 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?

For flights departing from Washington, D.C. Dulles Intl Airport check dates and pricing for the following: United Airlines, Air Canada. These airlines depart to the following popular destinations: Montreal.

Porter Airlines
Porter Airlines
From C$ 288
Air Canada
Air Canada
From C$ 165
Etihad Airways
Etihad Airways
From C$ 874
United Airlines
United Airlines
From C$ 303

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

From Washington, D.C. Dulles Intl Airport you can expect to find greater availability for the following destinations: Chicago (416 flights per day), London (374 flights per day) and Atlanta (264 flights per day).

Toronto
Toronto
From C$ 151
Abu Dhabi Zayed Intl
Abu Dhabi Zayed Intl
From C$ 1,107
Calgary
Calgary
From C$ 285
Montreal
Montreal
From C$ 212

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 C$ 78. Explore other affordable destinations below.

Orlando
Orlando
From C$ 78
Toronto
Toronto
From C$ 151
Montreal
Montreal
From C$ 212
Ottawa
Ottawa
From C$ 250

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

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 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 and Air Canada 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
10,035 reviews
Check prices

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
10,035 reviews
United Airlines
7.4
Good
10,035 reviews
Check prices

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Air Canada
7.1
Good
11,384 reviews
United Airlines
7.4
Good
10,035 reviews
Check prices

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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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 July 2026.
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 July 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, Casablanca, Atlanta. Throughout the year, Mumbai, Cairo, Casablanca 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$ 78 to Orlando Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 1,007 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, Air Canada, and Contour 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$ 83). Air Canada flights from Washington, D.C. Dulles Intl Airport to Toronto (C$ 165). Contour flights from Washington, D.C. Dulles Intl Airport to Plattsburgh Intl (C$ 221).

  • 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 Frankfurt am Main Airport starting at C$ 2,698
    Fly from Washington, D.C. Dulles Intl to London Heathrow Airport starting at C$ 2,961
    Fly from Washington, D.C. Dulles Intl to Paris Charles de Gaulle Airport starting at C$ 3,031
    Fly from Washington, D.C. Dulles Intl to Toronto Pearson Intl Airport starting at C$ 3,290

  • 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 March; with July 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 Ottawa from C$ 442 round trip
    Travel from Washington, D.C. to Calgary from C$ 444 round trip
    Travel from Washington, D.C. to Montreal from C$ 454 round trip
    Travel from Washington, D.C. to Halifax from C$ 504 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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