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C$ 112+ 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 29/9. 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 — YYZ
8 Jul — 15 Jul1
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 3 July 2025.

Cheapest airline

Air Canada

Good round-trip deal

C$ 132 or less

Good one-way deal

C$ 64 or less
On average, Air Canada currently has the cheapest one-way flight from Washington, D.C. Dulles Intl (avg. price of C$ 445).
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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 3 July 2025.

Tue 22/74:10 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Wed 23/71:25 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 2/7C$ 243
Sun 17/810:20 a.m.IAD - YYZ
Nonstop1h 35mAir Canada
Sun 24/88:10 a.m.YYZ - IAD
Nonstop1h 27mAir Canada
Deal found 2/7C$ 244
Sat 16/84:10 p.m.IAD - YTZ
Nonstop1h 33mMultiple Airlines
Sat 23/81:25 p.m.YTZ - IAD
Nonstop1h 31mMultiple Airlines
Deal found 2/7C$ 251
Mon 25/86:45 p.m.IAD - YYC
Nonstop4h 52mWestJet
Fri 29/811:30 a.m.YYC - IAD
Nonstop4h 24mWestJet
Deal found 1/7C$ 285
Fri 22/86:45 p.m.IAD - YYC
Nonstop4h 52mMultiple Airlines
Wed 27/811:45 p.m.YYC - IAD
1 stop7h 52mMultiple Airlines
Deal found 30/6C$ 300
Mon 18/89:10 a.m.IAD - YYC
Nonstop4h 50mUnited Airlines
Fri 22/82:55 p.m.YYC - IAD
Nonstop4h 21mUnited Airlines
Deal found 3/7C$ 312
Mon 18/82:25 p.m.IAD - YYC
1 stop12h 50mAir Canada
Tue 26/81:10 a.m.YYC - IAD
1 stop6h 27mAir Canada
Deal found 1/7C$ 334
Sat 16/82:25 p.m.IAD - YYZ
Nonstop1h 36mMultiple Airlines
Sat 23/84:30 p.m.YYZ - IAD
2 stops18h 14mMultiple Airlines
Deal found 2/7C$ 342
Wed 10/96:00 a.m.IAD - YYZ
1 stop3h 20mDelta
Sun 14/96:03 a.m.YYZ - IAD
1 stop5h 53mDelta
Deal found 3/7C$ 345
Fri 8/83:40 p.m.IAD - YYZ
Nonstop1h 39mUnited Airlines
Mon 18/812:45 p.m.YYZ - IAD
Nonstop1h 34mUnited Airlines
Deal found 30/6C$ 357
Thu 11/91:41 p.m.IAD - YVR
1 stop10h 07mMultiple Airlines
Sun 28/99:30 a.m.YVR - IAD
1 stop11h 36mMultiple Airlines
Deal found 30/6C$ 363
Fri 22/811:35 a.m.IAD - YUL
1 stop4h 25mPorter Airlines
Tue 26/810:45 a.m.YUL - IAD
1 stop4h 11mPorter Airlines
Deal found 1/7C$ 364

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 3 July 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Pearson Intl

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 22/7

4:10 p.m.-5:43 p.m.

Nonstop1h 33m

Toronto Island

Thu 24/7

1:25 p.m.-2:56 p.m.

Nonstop1h 31m

C$ 243

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sun 17/8

10:20 a.m.-11:55 a.m.

Nonstop1h 35m

Toronto Pearson Intl

Sun 24/8

8:10 a.m.-9:37 a.m.

Nonstop1h 27m

C$ 244

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 16/8

4:10 p.m.-5:43 p.m.

Nonstop1h 33m

Toronto Island

Sat 23/8

1:25 p.m.-2:56 p.m.

Nonstop1h 31m

C$ 251

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 25/8

6:45 p.m.-9:37 p.m.

Nonstop4h 52m

Calgary

Fri 29/8

11:30 a.m.-5:54 p.m.

Nonstop4h 24m

C$ 285

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Fri 22/8

6:45 p.m.-9:37 p.m.

Nonstop4h 52m

Calgary

Wed 27/8

11:45 p.m.-9:37 a.m.

1 stop7h 52m

C$ 300

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 18/8

9:10 a.m.-12:00 p.m.

Nonstop4h 50m

Calgary

Fri 22/8

2:55 p.m.-9:16 p.m.

Nonstop4h 21m

C$ 312

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 18/8

10:20 a.m.-12:10 a.m.

1 stop15h 50m

Calgary

Wed 27/8

11:45 p.m.-9:37 a.m.

1 stop7h 52m

C$ 334

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 16/8

2:25 p.m.-4:01 p.m.

Nonstop1h 36m

Toronto Pearson Intl

Sat 23/8

4:30 p.m.-10:44 a.m.

2 stops18h 14m

C$ 342

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 10/9

6:00 a.m.-9:20 a.m.

1 stop3h 20m

Toronto Pearson Intl

Sun 14/9

6:03 a.m.-11:56 a.m.

1 stop5h 53m

C$ 345

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sun 3/8

5:12 p.m.-7:05 p.m.

Nonstop1h 53m

Toronto Pearson Intl

Wed 13/8

12:45 p.m.-2:19 p.m.

Nonstop1h 34m

C$ 358

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

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 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 Pearson Intl. Price data was last updated on 27 June 2025.

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 75 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, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of C$ 134). Flying from Washington, D.C. Dulles Intl Airport in June will prove the most costly (average of C$ 268). 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 cheapest time to fly from Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Pearson Intl. Price data was last updated on 29 June 2025.

Those who are seeking the cheapest fare on flights departing from Washington, D.C. Dulles Intl Airport would be wise to consider leaving during Sunday evenings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Monday evenings when fares are usually the most expensive.

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: Air Canada, United Airlines. These airlines depart to the following popular destinations: Toronto.

Air Canada
Air Canada
From C$ 129
Emirates
Emirates
From C$ 588
Etihad Airways
Etihad Airways
From C$ 681
Porter Airlines
Porter Airlines
From C$ 176

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: London (346 flights per day), Chicago (334 flights per day) and San Francisco (253 flights per day).

Toronto
Toronto
From C$ 64
Calgary
Calgary
From C$ 71
Istanbul
Istanbul
From C$ 368
Abu Dhabi Zayed Intl
Abu Dhabi Zayed Intl
From C$ 372

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 Miami, with prices starting at C$ 64. Explore other affordable destinations below.

Miami
Miami
From C$ 47
Toronto
Toronto
From C$ 64
Calgary
Calgary
From C$ 71
Dallas/Fort Worth
Dallas/Fort Worth
From C$ 85

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 Delta,United Airlines, andAir 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.
Delta
8.0
Very good
7,982 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,681 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Sun Country Air
6.9
Okay
339 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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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 3 July 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 3 July 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, Bengaluru. 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$ 64 to Miami (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 632 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 Air Canada 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 Orlando (C$ 76). United Airlines flights from Washington, D.C. Dulles Intl Airport to Vancouver Intl (C$ 155). Air Canada flights from Washington, D.C. Dulles Intl Airport to Ottawa (C$ 176).

  • 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$ 747
    Fly from Washington, D.C. Dulles Intl to Los Angeles starting at C$ 1,021
    Fly from Washington, D.C. Dulles Intl to Atlanta starting at C$ 1,115
    Fly from Washington, D.C. Dulles Intl to Miami starting at C$ 1,247

  • 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$ 996 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 March; 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 Toronto from C$ 213 round trip
    Travel from Washington, D.C. to Calgary from C$ 312 round trip
    Travel from Washington, D.C. to Montreal from C$ 315 round trip
    Travel from Washington, D.C. to Vancouver from C$ 338 round trip
    Travel from Washington, D.C. to Ottawa from C$ 367 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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