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Cheap flights from Washington, D.C. Dulles Intl Airport to Toronto Island Airport from C$ 123

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YTZ
19 août — 26 août1
1 adult

Cheap flight deals from Dulles Intl to Toronto Island

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Toronto Island (YTZ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 août 2025.

Round-trip from

C$ 284

One-way from

C$ 123

Popular in

December

Cheapest in

May

Average price

C$ 404

Good round-trip deal

C$ 295 or less

Good one-way deal

C$ 98 or less
Porter Airlines
  • Porter Airlines
  • 19/9-22/9
  • Nonstop
  • 3h 04m total
  • Washington, D.C. to Toronto
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Porter Airlines
  • Porter Airlines
  • 18/9
  • Nonstop
  • 1h 33m total
  • Washington, D.C. to Toronto
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Highest demand for flights based on searches. 7% potential increase in price (C$ 43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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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Find flight deals from Dulles Intl to Toronto Island

Cheapest flights from Dulles Intl to Toronto Island
Explore the most affordable flight options available from Dulles Intl to Toronto Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 août 2025.

ven. 19/911:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
lun. 22/98:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 13/8C$ 284
sam. 20/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
sam. 18/101:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 14/8C$ 287
jeu. 9/1011:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
dim. 12/108:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 14/8C$ 288
jeu. 4/911:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
dim. 7/98:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 14/8C$ 291
jeu. 4/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
mer. 10/91:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 13/8C$ 292
jeu. 4/911:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
sam. 6/91:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 14/8C$ 294
jeu. 11/911:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
dim. 14/98:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 14/8C$ 295
mer. 3/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
lun. 8/98:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 13/8C$ 296
dim. 28/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
dim. 5/108:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 14/8C$ 301

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Toronto Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 14 août 2025.
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

Dulles Intl

Fly to

Toronto Island

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

ven. 19/9

11:35 a.m.-1:08 p.m.

Nonstop1h 33m

Toronto Island

lun. 22/9

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

C$ 284

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

sam. 27/9

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

Toronto Island

lun. 13/10

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

C$ 287

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

ven. 26/9

11:35 a.m.-1:08 p.m.

Nonstop1h 33m

Toronto Island

ven. 3/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

C$ 288

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

mar. 2/9

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

Toronto Island

ven. 5/9

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

C$ 288

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

jeu. 4/9

11:35 a.m.-1:08 p.m.

Nonstop1h 33m

Toronto Island

dim. 7/9

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

C$ 291

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

mar. 21/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

Toronto Island

ven. 31/10

9:00 a.m.-10:29 a.m.

Nonstop1h 29m

C$ 291

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

mer. 3/9

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

Toronto Island

ven. 5/9

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

C$ 291

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

mer. 15/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

Toronto Island

lun. 20/10

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

C$ 291

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

mer. 15/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

Toronto Island

ven. 17/10

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

C$ 291

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

mar. 23/9

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

Toronto Island

jeu. 25/9

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

C$ 291

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/8

Showing 1-10 of 20 results
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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
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.

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, August 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$ 216). Flying from Washington, D.C. Dulles Intl Airport to Toronto Island Airport in November is currently the most expensive (average of C$ 297). 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?

Find hourly flight availability from Dulles Intl to Toronto Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 août 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Toronto Island Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 27% on airfare.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Toronto Island Airport

Explore weekly flight availability from Dulles Intl to Toronto Island. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 14 août 2025.

The most flights from IAD to YTZ are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Toronto Island

Get insights into the airlines that provide service to Toronto Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Toronto Island. Reviews last updated 14 août 2025.
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
332 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.0

Food

7.6

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
332 reviews
Porter Airlines
8.0
Very good
332 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.0

Food

7.6

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Toronto Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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$ 243 on this airline. This flight start at 36% 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 (77%), Porter Airlines (77%) and Air Transat (77%).

  • 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$ 96. While the most popular route (Washington, D.C. Dulles Intl - Toronto Island) can be booked for C$ 284 on average our data indicates C$ 226 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, August 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$ 216). Flying from Washington, D.C. Dulles Intl Airport to Toronto Island Airport in November is currently the most expensive (average of C$ 297). 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

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Top airline flying from Dulles Intl to Toronto Island

Discover the top airline that operate flights from Dulles Intl to Toronto Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 14 août 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 243AverageC$ 526FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Dulles Intl to Toronto Island?

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

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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.

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

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