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Cheap flights from Washington, D.C. Dulles Intl Airport to Toronto from C$ 129

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YTO
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Toronto are usually found in February or April, 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 25 March 2025.

Round-trip from

C$ 268

One-way from

C$ 129

Popular in

August

Cheapest in

February

Average price

C$ 427

Good round-trip deal

C$ 296 or less

Good one-way deal

C$ 176 or less
Air Canada
  • Air Canada
  • 9/5-12/5
  • Nonstop
  • 3h 10m total
  • Washington, D.C. to Toronto
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Porter Airlines
  • Porter Airlines
  • 7/4
  • Nonstop
  • 1h 30m total
  • Washington, D.C. to Toronto
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Highest demand for flights based on searches. 2% potential increase in price (C$ 17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
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Average for round-trip flights in March 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 25 March 2025.

Wed 9/41:45 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Mon 14/411:30 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 23/3C$ 269
Sun 13/47:00 a.m.IAD - YTZ
Nonstop1h 30mMultiple Airlines
Wed 16/48:55 p.m.YTZ - IAD
Nonstop1h 29mMultiple Airlines
Deal found 24/3C$ 272
Thu 8/59:45 a.m.IAD - YYZ
1 stop4h 49mAir Canada
Thu 15/58:10 a.m.YYZ - IAD
Nonstop1h 29mAir Canada
Deal found 23/3C$ 278
Tue 15/41:53 p.m.IAD - YTZ
1 stop5h 57mAir Canada
Wed 16/48:25 a.m.YTZ - IAD
1 stop6h 48mAir Canada
Deal found 23/3C$ 289
Thu 19/64:20 p.m.IAD - YTZ
Nonstop1h 33mAir Transat
Mon 23/68:45 a.m.YTZ - IAD
Nonstop1h 31mAir Transat
Deal found 23/3C$ 312
Wed 16/42:40 p.m.IAD - YYZ
Nonstop1h 34mUnited Airlines
Sat 19/48:15 a.m.YYZ - IAD
Nonstop1h 31mUnited Airlines
Deal found 24/3C$ 330
Mon 14/410:25 p.m.IAD - YYZ
1 stop10h 54mMultiple Airlines
Tue 15/412:25 p.m.YYZ - IAD
Nonstop1h 31mMultiple Airlines
Deal found 24/3C$ 345
Wed 16/49:20 a.m.IAD - YYZ
1 stop5h 49mDelta
Wed 23/46:08 p.m.YYZ - IAD
1 stop4h 59mDelta
Deal found 23/3C$ 354
Tue 2/910:05 a.m.IAD - YYZ
1 stop6h 00mWestJet
Tue 23/91:20 p.m.YYZ - IAD
1 stop10h 50mWestJet
Deal found 24/3C$ 417
Sat 19/43:30 p.m.IAD - YYZ
Nonstop1h 39mLufthansa
Mon 21/46:15 a.m.YYZ - IAD
Nonstop1h 40mLufthansa
Deal found 24/3C$ 443
Fri 18/76:45 p.m.IAD - YHM
1 stop29h 56mWestJet
Mon 21/76:00 a.m.YHM - IAD
1 stop11h 54mWestJet
Deal found 24/3C$ 1,105
Thu 1/512:45 p.m.IAD - YHM
3 stops35h 56mMultiple Airlines
Thu 8/56:00 a.m.YHM - IAD
3 stops30h 23mMultiple Airlines
Deal found 23/3C$ 1,123

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 25 March 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

Wed 9/4

1:45 p.m.-3:15 p.m.

Nonstop1h 30m

Toronto Island

Mon 14/4

11:30 a.m.-12:59 p.m.

Nonstop1h 29m

C$ 269

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sun 13/4

7:00 a.m.-8:30 a.m.

Nonstop1h 30m

Toronto Island

Wed 16/4

8:55 p.m.-10:24 p.m.

Nonstop1h 29m

C$ 272

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 7/5

9:45 a.m.-2:34 p.m.

1 stop4h 49m

Toronto Pearson Intl

Wed 14/5

12:10 p.m.-1:41 p.m.

Nonstop1h 31m

C$ 272

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 15/4

1:53 p.m.-7:50 p.m.

1 stop5h 57m

Toronto Island

Wed 16/4

8:25 a.m.-3:13 p.m.

1 stop6h 48m

C$ 289

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 19/6

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

Nonstop1h 33m

Toronto Island

Mon 23/6

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

Nonstop1h 31m

C$ 312

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 24/5

10:23 p.m.-9:19 a.m.

1 stop10h 56m

Toronto Pearson Intl

Sun 25/5

12:10 p.m.-1:41 p.m.

Nonstop1h 31m

C$ 341

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 15/4

10:10 p.m.-10:27 a.m.

1 stop12h 17m

Toronto Pearson Intl

Wed 16/4

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

Nonstop1h 34m

C$ 351

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 27/5

9:40 a.m.-5:15 p.m.

1 stop7h 35m

Toronto Pearson Intl

Tue 3/6

6:03 a.m.-11:45 a.m.

1 stop5h 42m

C$ 375

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 6/6

6:00 a.m.-12:14 p.m.

1 stop6h 14m

Toronto Pearson Intl

Tue 10/6

6:30 a.m.-11:33 a.m.

1 stop5h 03m

C$ 410

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 19/4

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

Nonstop1h 39m

Toronto Pearson Intl

Mon 21/4

6:15 a.m.-7:55 a.m.

Nonstop1h 40m

C$ 443

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/3

Showing 1-10 of 26 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 21 March 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Toronto is 58 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 25 March 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 32% 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 25 March 2025.

The most flights from IAD to YTO are scheduled on a Monday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 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 25 March 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Toronto, such as Delta, Porter Airlines and Air Transat. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
7.9
Good
275 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.6
Good
1,393 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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$ 268. Other airlines that can offer you cheap pricing are Porter Airlines, from C$ 275, and Air Transat, from C$ 321. These flights start at 36% 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 Porter Airlines, which is currently one of the cheapest options available, starting at C$ 129. Air Transat flights start at C$ 133 while deals on Air Canada start at C$ 133 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 (77%), Copa Airlines (76%) or Republic Airways (76%) 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$ 658, our data shows the cheapest flight currently is C$ 134. When looking at the most popular route, (Washington, D.C. Dulles Intl - Toronto Pearson Intl), you can expect to pay C$ 288 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 185AverageC$ 505FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 195AverageC$ 465FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 290AverageC$ 600FlexibilityNo 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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