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Dulles Intl

$131+ Cheap flights from Toronto (YTO) to Dulles Intl (IAD)

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — IAD
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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The best prices from Toronto to Washington, D.C. Dulles Intl are usually found in January or February, booked 47 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from Toronto to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to Dulles Intl (IAD). 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 January 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$203
(Cheapflightsfares)

One-way from

$132
(Trip.com)

Popular in

October

Cheapest in

January

Average price

$228
Provider with most accurate pricing for Toronto (YTO)-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Washington, D.C. Dulles Intl flights.
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From Toronto (YTO) to Washington, D.C. Dulles Intl
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One-way flight from Toronto (YTO) to Washington, D.C. Dulles Intl
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High demand for flights, 10% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Toronto to Dulles Intl

Cheapest flights from Toronto to Dulles Intl
Explore the most affordable flight options available from Toronto to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1011:30 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Mon 4/141:45 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 1/16$203
This Air Canada deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/78:10 amYYZ - IAD
Nonstop1h 36mAir Canada
Wed 2/192:35 pmIAD - YYZ
Nonstop1h 31mAir Canada
Deal found 1/16$217
This Booking.com deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2011:20 amYTZ - IAD
Nonstop1h 29mAir Transat
Sun 2/232:00 pmIAD - YTZ
Nonstop1h 30mAir Transat
Deal found 1/16$220
This Booking.com deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2010:25 amYTZ - IAD
1 stop4h 48mAir Canada
Sun 2/233:55 pmIAD - YTZ
1 stop5h 55mAir Canada
Deal found 1/16$233
This United Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1510:00 amYYZ - IAD
Nonstop1h 39mUnited Airlines
Sun 2/238:20 amIAD - YYZ
Nonstop1h 38mUnited Airlines
Deal found 1/15$234
This Mytrip deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2011:20 amYTZ - IAD
Nonstop1h 29mMultiple Airlines
Sun 2/233:55 pmIAD - YTZ
1 stop5h 55mMultiple Airlines
Deal found 1/16$237
This United deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/610:00 amYYZ - IAD
Nonstop1h 41mMultiple Airlines
Fri 2/73:55 pmIAD - YYZ
1 stop5h 55mMultiple Airlines
Deal found 1/15$244
This Kissandfly.com deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/67:40 pmYYZ - IAD
Nonstop1h 41mLufthansa
Mon 2/108:15 amIAD - YYZ
Nonstop1h 43mLufthansa
Deal found 1/16$249
This Delta deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/126:00 amYYZ - IAD
1 stop5h 25mDelta
Thu 2/2012:29 pmIAD - YYZ
1 stop3h 40mDelta
Deal found 1/16$279
This FlightHub deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/317:45 amYYZ - IAD
1 stop4h 06mWestJet
Mon 2/176:00 amIAD - YYZ
1 stop5h 56mWestJet
Deal found 1/16$303

Find flights from Toronto to Dulles Intl within your budget

Customize your flight search to find flights from Toronto to Dulles Intl 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 2,558,603 searches. Data last updated January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 4/10

8:55 pm-10:24 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 4/14

7:00 am-8:30 am

Nonstop1h 30m

$203

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 2/7

8:10 am-9:46 am

Nonstop1h 36m

Washington, D.C. Dulles Intl

Wed 2/19

2:35 pm-4:06 pm

Nonstop1h 31m

$217

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 3/6

8:55 pm-10:24 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 3/9

7:00 am-8:30 am

Nonstop1h 30m

$223

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 3/4

2:15 pm-8:59 pm

1 stop6h 44m

Washington, D.C. Dulles Intl

Wed 3/5

8:20 am-9:58 am

Nonstop1h 38m

$230

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 2/20

10:25 am-3:13 pm

1 stop4h 48m

Washington, D.C. Dulles Intl

Sun 2/23

3:55 pm-9:50 pm

1 stop5h 55m

$233

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 2/26

4:20 pm-9:23 pm

1 stop5h 03m

Washington, D.C. Dulles Intl

Fri 2/28

2:10 pm-3:40 pm

Nonstop1h 30m

$240

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 2/15

10:00 am-11:39 am

Nonstop1h 39m

Washington, D.C. Dulles Intl

Sun 2/23

8:24 am-1:41 pm

1 stop5h 17m

$244

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 2/6

12:15 pm-1:51 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Sun 2/9

8:15 am-9:58 am

Nonstop1h 43m

$249

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 1/29

6:00 am-11:51 am

1 stop5h 51m

Washington, D.C. Dulles Intl

Thu 1/30

12:31 pm-4:12 pm

1 stop3h 41m

$272

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 1/31

6:00 am-11:51 am

1 stop5h 51m

Washington, D.C. Dulles Intl

Wed 2/5

5:16 pm-10:49 pm

1 stop5h 33m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 22 results
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Compare providers for flights from Toronto to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Toronto to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Toronto-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Toronto-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Toronto-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Toronto-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Toronto-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Toronto to Dulles Intl

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

Get recent, data-driven insights about flights from Toronto to Dulles Intl including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Toronto to Dulles Intl. Price data was last updated on January 10, 2025.

To ensure you get the cheapest price possible for a flight from Toronto to Washington, D.C. Dulles Intl Airport, you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Toronto to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Toronto to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 YTO to IAD?

Find hourly flight availability from Toronto to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Toronto to Washington, D.C. Dulles Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the evening.

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

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

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

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

Explore weekly flight availability from Toronto to Dulles Intl. 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 January 16, 2025.

The most flights from YTO to IAD are scheduled on a Wednesday (17 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to 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 an airline for your flight to Dulles Intl. Reviews last updated January 16, 2025.
Read reviews from past customers who have flown United Airlines, WestJet and Air Canada from Toronto to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Porter Airlines
7.9
Good
276 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,965 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Toronto to Dulles Intl. 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 Toronto to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at $203, Porter Airlines will fly you from Toronto to Washington, D.C. Dulles Intl Airport and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Air Transat - these airlines can fly you to your destination from $217 and $220, respectively. Porter Airlines is 25% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Air Transat. According to our data, you can fly for as low as $132. Users have also found prices from $133 and $133 on Porter Airlines and Air Canada, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Toronto to Washington, D.C. Dulles Intl Airport consider choosing ANA (94%), Republic Airways (82%) or Copa Airlines (82%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Toronto to Washington, D.C. Dulles Intl Airport is generally $543, our data shows the cheapest flight currently is $127. When looking at the most popular route, (Toronto Pearson Intl - Washington, D.C. Dulles Intl), you can expect to pay $221 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Toronto to Dulles Intl 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 Toronto to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Toronto to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Toronto to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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.

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Top 3 airlines flying from Toronto to Dulles Intl

Discover the top 3 airlines that operate flights from Toronto to Dulles Intl. 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 2,558,603 searches. Data last updated January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$185Average$286FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$214Average$290FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$219Average$319FlexibilityNo cancel feeOn-time69%
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