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Cheap flights from Washington, D.C. Dulles Intl Airport to Toronto Island Airport from C$ 135

IAD — YTZ
2 Oct — 9 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to Toronto Island

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to Toronto Island

Sat 26/911:25 a.m. -
Nonstop1h 30m
Sat 3/109:15 a.m. -
Nonstop1h 30m
Deal found 28/8C$ 267
Fri 25/93:50 p.m. -
Nonstop1h 30m
Sun 27/99:15 a.m. -
Nonstop1h 30m
Deal found 31/8C$ 268
Thu 17/95:20 p.m. -
Nonstop1h 31m
Sun 20/99:15 a.m. -
Nonstop1h 30m
Deal found 2/9C$ 269
Fri 25/93:50 p.m. -
Nonstop1h 30m
Sat 26/99:15 a.m. -
Nonstop1h 30m
Deal found 2/9C$ 271
Tue 13/1011:25 a.m. -
Nonstop1h 30m
Tue 20/109:15 a.m. -
Nonstop1h 30m
Deal found 29/8C$ 272
Thu 17/911:25 a.m. -
Nonstop1h 30m
Tue 22/99:15 a.m. -
Nonstop1h 30m
Deal found 2/9C$ 273
Fri 18/911:25 a.m. -
Nonstop1h 30m
Tue 22/99:15 a.m. -
Nonstop1h 30m
Deal found 31/8C$ 275
Fri 16/103:50 p.m. -
Nonstop1h 30m
Tue 20/109:15 a.m. -
Nonstop1h 30m
Deal found 2/9C$ 276
Thu 17/93:50 p.m. -
Nonstop1h 30m
Mon 21/99:15 a.m. -
Nonstop1h 30m
Deal found 2/9C$ 278
Tue 6/1011:25 a.m. -
Nonstop1h 30m
Sat 10/109:15 a.m. -
Nonstop1h 30m
Deal found 29/8C$ 279
Thu 17/911:25 a.m. -
Nonstop1h 30m
Sun 20/99:15 a.m. -
Nonstop1h 30m
Deal found 30/8C$ 280
Fri 6/116:25 p.m. -
Nonstop1h 34m
Sun 8/114:15 p.m. -
Nonstop1h 28m
Deal found 2/9C$ 282

Find flight deals from Dulles Intl to Toronto Island

Round-trip from

C$ 267

One-way from

C$ 135

Popular in

January

Cheapest in

September

Average price

C$ 314

Good round-trip deal

C$ 259 or less

Good one-way deal

C$ 152 or less
Porter Airlines
  • Porter Airlines
  • 26/9-3/10
  • Nonstop
  • 3h 00m total
  • Washington, D.C. to Toronto
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Air Canada
  • Air Canada
  • 7/10
  • Nonstop
  • 1h 37m total
  • Washington, D.C. to Toronto
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 49 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 19 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Toronto Island.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Toronto Island.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Toronto Island Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Sun 20/12

11:20 a.m.-12:52 p.m.

Nonstop1h 32m

Toronto Island

Sun 27/12

9:10 a.m.-10:38 a.m.

Nonstop1h 28m

C$ 297

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Thu 24/9

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

Nonstop1h 30m

Toronto Island

Tue 29/9

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

Nonstop1h 30m

C$ 328

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Wed 30/9

8:20 a.m.-2:41 p.m.

1 stop6h 21m

Toronto Island

Fri 2/10

3:15 p.m.-4:38 p.m.

Nonstop1h 23m

C$ 416

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Fri 16/10

10:18 p.m.-10:18 a.m.

1 stop12h 00m

Toronto Island

Mon 19/10

3:15 p.m.-4:41 p.m.

Nonstop1h 26m

C$ 416

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Wed 30/9

8:20 a.m.-2:41 p.m.

1 stop6h 21m

Toronto Island

Sat 10/10

3:15 p.m.-4:41 p.m.

Nonstop1h 26m

C$ 416

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Fri 25/9

10:18 p.m.-10:07 a.m.

1 stop11h 49m

Toronto Island

Tue 29/9

3:15 p.m.-4:38 p.m.

Nonstop1h 23m

C$ 416

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Fri 9/10

10:18 p.m.-10:18 a.m.

1 stop12h 00m

Toronto Island

Sun 11/10

3:15 p.m.-4:41 p.m.

Nonstop1h 26m

C$ 416

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Fri 20/11

5:15 p.m.-6:45 p.m.

Nonstop1h 30m

Toronto Island

Sun 22/11

7:20 p.m.-12:30 a.m.

1 stop5h 10m

C$ 425
Cheapest one-way

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Tue 22/9

9:45 a.m.-2:20 p.m.

1 stop4h 35m

C$ 146

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Wed 21/10

5:20 p.m.-6:56 p.m.

Nonstop1h 36m

C$ 171

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/8

Showing 1-10 of 17 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Toronto Island

Have a flexible travel schedule? Discover the best time to fly to Toronto Island from Dulles Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Toronto Island Airport

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Toronto Island Airport (average of C$ 314). Flying from Washington, D.C. Dulles Intl Airport to Toronto Island Airport in January is currently the most expensive (average of C$ 525). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to YTZ?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Toronto Island Airport as you normally would.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Toronto Island Airport?

Airfare is typical for this route at the moment.

Washington, D.C. Dulles Intl Airport to Toronto Island Airport flights typically cost between C$ 265 and C$ 366 in September.
The cheapest round-trip price found within the last 5 days was C$ 267 on Porter Airlines (26 Sep-3 Oct).

Reviews of airlines servicing Toronto Island

See what other customers who have flown with Porter Airlines from Washington, D.C. Dulles Intl Airport to Toronto Island Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
458 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
458 reviews
Porter Airlines
8.0
Very good
458 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Toronto Island Airport?

    Airlines like Porter Airlines and United Airlines fly from Washington, D.C. Dulles Intl Airport to Toronto Island Airport in about 1h 32m. The time it takes to get you to your destination can typically vary by up to 4h 49m. There are 546 km between Washington, D.C. Dulles Intl Airport and Toronto Island Airport. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Toronto Island Airport round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Toronto Island Airport is Porter Airlines. Our recent data shows that you can find tickets from as low as C$ 283 on this airline. This flight start at 26% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Toronto Island Airport?

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Toronto Island Airport are Porter Airlines (53%), Porter Airlines (53%) and Air Transat (53%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Toronto Island Airport?

    Looking at all options, your cheapest flight can be booked for C$ 113. While the most popular route (Washington, D.C. Dulles Intl - Toronto Island) can be booked for C$ 262 on average, our data indicates C$ 564 when flying from Washington, D.C. Dulles Intl Airport to Toronto Island Airport.

  • Can I find deals for flights from Dulles Intl to Toronto Island that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Toronto Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Toronto Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Toronto Island.

  • Can I find deals for business class flights from Dulles Intl to Toronto Island?

    Yes. Cheapflights offers flight deals from Dulles Intl to Toronto Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Toronto Island Airport (average of C$ 314). Flying from Washington, D.C. Dulles Intl Airport to Toronto Island Airport in January is currently the most expensive (average of C$ 525). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Dulles Intl to Toronto Island

AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 283AverageC$ 408FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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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 to Toronto Island from Dulles Intl today with Cheapflights!

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

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

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