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Cheap flights from Washington, D.C. Dulles Intl Airport to Toronto from C$ 109

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YTO
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Toronto are usually found in February or September, booked 58 days in advance, depart on a Monday or Wednesday and return on a Friday

Cheap flight deals from Dulles Intl to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Toronto (YTO). 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 29 April 2025.

Round-trip from

C$ 255

One-way from

C$ 109

Popular in

August

Cheapest in

February

Average price

C$ 412

Good round-trip deal

C$ 248 or less

Good one-way deal

C$ 97 or less
Porter Airlines
  • Porter Airlines
  • 27/5-31/5
  • Nonstop
  • 3h 04m total
  • Washington, D.C. to Toronto
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Air Canada
  • Air Canada
  • 4/6
  • 1 total stop
  • 6h 42m total
  • Washington, D.C. to Toronto
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 9 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease (C$ 6 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Toronto (YTO).
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Toronto (YTO).
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Find flight deals from Dulles Intl to Toronto

Cheapest flights from Dulles Intl to Toronto
Explore the most affordable flight options available from Dulles Intl to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Tue 27/54:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Sat 31/51:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 28/4C$ 255
Tue 3/63:30 p.m.IAD - YYZ
Nonstop1h 39mAir Canada
Tue 17/67:47 p.m.YYZ - IAD
Nonstop1h 40mAir Canada
Deal found 28/4C$ 262
Tue 3/64:20 p.m.IAD - YTZ
Nonstop1h 33mMultiple Airlines
Wed 4/61:35 p.m.YTZ - IAD
Nonstop1h 31mMultiple Airlines
Deal found 27/4C$ 267
Tue 3/63:30 p.m.IAD - YYZ
Nonstop1h 39mUnited Airlines
Wed 4/610:05 a.m.YYZ - IAD
Nonstop1h 34mUnited Airlines
Deal found 27/4C$ 294
Mon 9/610:35 p.m.IAD - YYZ
1 stop13h 38mMultiple Airlines
Tue 10/62:30 p.m.YYZ - IAD
Nonstop1h 40mMultiple Airlines
Deal found 27/4C$ 312
Wed 28/59:40 a.m.IAD - YYZ
1 stop7h 35mDelta
Fri 30/53:50 p.m.YYZ - IAD
1 stop7h 04mDelta
Deal found 28/4C$ 328
Wed 28/59:45 a.m.IAD - YTZ
1 stop5h 05mAir Canada
Sun 1/64:20 p.m.YTZ - IAD
1 stop4h 44mAir Canada
Deal found 28/4C$ 337
Sat 24/54:20 p.m.IAD - YTZ
Nonstop1h 33mAir Transat
Sun 25/58:45 a.m.YTZ - IAD
Nonstop1h 31mAir Transat
Deal found 28/4C$ 352
Wed 25/66:00 a.m.IAD - YYZ
1 stop3h 22mWestJet
Wed 25/611:39 a.m.YYZ - IAD
1 stop4h 54mWestJet
Deal found 28/4C$ 405
Mon 2/66:45 p.m.IAD - YHM
2 stops25h 14mMultiple Airlines
Sun 8/68:20 a.m.YHM - IAD
2 stops33h 34mMultiple Airlines
Deal found 28/4C$ 703
Fri 5/96:45 p.m.IAD - YHM
1 stop29h 55mWestJet
Mon 8/96:00 a.m.YHM - IAD
1 stop11h 50mWestJet
Deal found 28/4C$ 899

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Toronto 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 29 April 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Toronto that are best for you.

Fly from

Dulles Intl

Fly to

Toronto

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 27/5

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

Nonstop1h 33m

Toronto Island

Sat 31/5

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

Nonstop1h 31m

C$ 255

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 3/6

3:30 p.m.-5:09 p.m.

Nonstop1h 39m

Toronto Pearson Intl

Tue 17/6

7:47 p.m.-9:27 p.m.

Nonstop1h 40m

C$ 262

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 3/6

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

Nonstop1h 33m

Toronto Island

Wed 4/6

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

Nonstop1h 31m

C$ 267

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 3/6

3:30 p.m.-5:09 p.m.

Nonstop1h 39m

Toronto Pearson Intl

Wed 4/6

10:05 a.m.-11:39 a.m.

Nonstop1h 34m

C$ 294

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Mon 9/6

10:35 p.m.-12:13 p.m.

1 stop13h 38m

Toronto Pearson Intl

Tue 10/6

2:30 p.m.-4:10 p.m.

Nonstop1h 40m

C$ 312

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 28/5

5:24 p.m.-10:58 p.m.

1 stop5h 34m

Toronto Pearson Intl

Fri 30/5

3:50 p.m.-10:54 p.m.

1 stop7h 04m

C$ 328

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 28/5

9:45 a.m.-2:50 p.m.

1 stop5h 05m

Toronto Island

Sun 1/6

4:20 p.m.-9:04 p.m.

1 stop4h 44m

C$ 337

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 24/5

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

Nonstop1h 33m

Toronto Island

Sun 25/5

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

Nonstop1h 31m

C$ 352

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 25/6

6:00 a.m.-9:22 a.m.

1 stop3h 22m

Toronto Pearson Intl

Wed 25/6

11:39 a.m.-4:33 p.m.

1 stop4h 54m

C$ 405

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Mon 2/6

6:45 p.m.-7:59 p.m.

2 stops25h 14m

Hamilton

Sun 8/6

8:20 a.m.-5:54 p.m.

2 stops33h 34m

C$ 703

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

Showing 1-10 of 24 results
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Best time to book a flight from Dulles Intl to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto 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

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Toronto?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Toronto. Price data was last updated on 25 April 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Toronto is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Toronto (average of C$ 167). Flying from Washington, D.C. Dulles Intl Airport to Toronto in July is currently the most expensive (average of C$ 258). 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 YTO?

Find hourly flight availability from Dulles Intl to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Toronto in the evening. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Toronto?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Toronto. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Toronto flight should consider departing on Sunday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from Dulles Intl to Toronto. 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 29 April 2025.

The most flights from IAD to YTO are scheduled on a Monday (25 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Toronto by month

Plan your trip to Toronto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Toronto ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Toronto when rainfall is around 51.0 mm.

Temperature in Toronto by month

Plan your trip to Toronto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Toronto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. 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. Reviews last updated 29 April 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Toronto, such as Porter Airlines, Delta and Air Transat. 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
285 reviews
Check prices

Comfort

8.1

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.8

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
285 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Comfort

8.1

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.8

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Delta
8.0
Very good
7,929 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Comfort

8.1

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.8

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Comfort

8.1

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.8

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,696 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Comfort

8.1

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.8

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Comfort

8.1

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.8

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Related info for your journey

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

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Toronto round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Toronto round-trip from C$ 255. Other airlines that can offer you cheap pricing are Air Canada, from C$ 262, and United Airlines, from C$ 294. These flights start at 37% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Toronto one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 109. Porter Airlines flights start at C$ 125 while deals on Delta start at C$ 126 one-way.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Toronto?

    Most travellers choose Washington, D.C. Dulles Intl - Toronto Pearson Intl, Washington, D.C. Dulles Intl - Toronto Island or Washington, D.C. Dulles Intl - Hamilton when deciding on the best route from Washington, D.C. Dulles Intl Airport to Toronto.

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

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Toronto consider choosing ANA (87%), Republic Airways (80%) or Air Canada (80%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Washington, D.C. Dulles Intl Airport to Toronto is generally C$ 587, our data shows the cheapest flight currently is C$ 115. When looking at the most popular route, (Washington, D.C. Dulles Intl - Toronto Pearson Intl), you can expect to pay C$ 294 for that flight.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Toronto 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?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Toronto (average of C$ 167). Flying from Washington, D.C. Dulles Intl Airport to Toronto in July is currently the most expensive (average of C$ 258). 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 3 airlines flying from Dulles Intl to Toronto

Discover the top 3 airlines that operate flights from Dulles Intl to Toronto. 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 157AverageC$ 404FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 179AverageC$ 478FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 244AverageC$ 515FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Dulles Intl to Toronto. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Dulles Intl to Toronto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Toronto from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Dulles Intl to Toronto and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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