PorterReserve offers expedited security and early boarding, ideal for quick short-haul travel.
Porter flights feature free Wi-Fi and snacks, enhancing short-haul travel comfort.
$88+ Cheap flights from Dulles Intl (IAD) to Toronto (YTO)
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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YTO
Apr 2 — Apr 91
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Dulles Intl to Toronto with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 Friday or Thursday and return on a Wednesday
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 March 28, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $180 (United Airlines) |
One-way from | $88 (Booking.com) |
Popular in | August |
Cheapest in | February |
Average price | $298 |
Good round-trip deal | $218 or less |
Good one-way deal | $105 or less |
Find flight deals from Dulles Intl to Toronto
Cheapest flights from Dulles Intl to TorontoExplore 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 March 28, 2025.
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 March 28, 2025.
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 5/292:25 pmIAD - YYZ
Nonstop1h 34mUnited Airlines
Thu 5/296:20 pmYYZ - IAD
1 stop3h 02mUnited Airlines
Deal found 3/27![United Airlines logo]()
$180
This Porter Airlines deal was found by Cheapflights users on 3/27. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:35 amIAD - YTZ
Nonstop1h 33mPorter Airlines
Sun 6/88:45 amYTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 3/27![Porter Airlines logo]()
$181
This Flightnetwork deal was found by Cheapflights users on 3/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:22 amIAD - YYZ
1 stop5h 53mAir Canada
Sun 5/187:00 amYYZ - IAD
1 stop4h 14mAir Canada
Deal found 3/27![Air Canada logo]()
$188
This Air Canada deal was found by Cheapflights users on 3/26. 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.
Sat 4/194:07 pmIAD - YTZ
1 stop5h 28mAir Canada
Tue 4/224:20 pmYTZ - IAD
1 stop4h 55mAir Canada
Deal found 3/26![Air Canada logo]()
$191
This United deal was found by Cheapflights users on 3/27. 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.
Wed 5/148:25 amIAD - YYZ
Nonstop1h 39mMultiple Airlines
Sat 6/74:00 pmYYZ - IAD
1 stop5h 04mMultiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$193
This Trip.com deal was found by Cheapflights users on 3/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/124:20 pmIAD - YTZ
Nonstop1h 33mAir Transat
Sun 6/151:35 pmYTZ - IAD
Nonstop1h 31mAir Transat
Deal found 3/27![Air Transat logo]()
$202
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Fri 6/274:20 pmIAD - YTZ
Nonstop1h 33mMultiple Airlines
Wed 7/21:35 pmYTZ - IAD
Nonstop1h 31mMultiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$204
This Delta deal was found by Cheapflights users on 3/27. 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.
Tue 5/136:00 amIAD - YYZ
1 stop5h 25mDelta
Thu 6/56:03 amYYZ - IAD
1 stop5h 42mDelta
Deal found 3/27![Delta logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/181:00 pmIAD - YYZ
1 stop4h 15mWestJet
Wed 7/91:20 pmYYZ - IAD
1 stop5h 28mWestJet
Deal found 3/27![WestJet logo]()
$324
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Sun 5/113:18 pmIAD - YHM
2 stops33h 23mMultiple Airlines
Sun 5/186:00 amYHM - IAD
2 stops29h 14mMultiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$487
This oojo deal was found by Cheapflights users on 3/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:45 pmIAD - YHM
1 stop29h 56mWestJet
Mon 9/16:00 amYHM - IAD
1 stop11h 50mWestJet
Deal found 3/26![WestJet logo]()
$607
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 2,558,603 searches. Data last updated March 28, 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 - YYZ
IADYYZ
Washington, D.C. Dulles Intl
Thu 5/29
2:25 pm-3:59 pm
Nonstop1h 34m
Toronto Pearson Intl
Thu 5/29
6:20 pm-9:22 pm
1 stop3h 02m
$180
Washington, D.C.Toronto
IAD - YTZ
IADYTZ
Washington, D.C. Dulles Intl
Mon 5/12
11:35 am-1:08 pm
Nonstop1h 33m
Toronto Island
Sun 6/8
8:45 am-10:16 am
Nonstop1h 31m
$181
Washington, D.C.Toronto
IAD - YYZ
IADYYZ
Washington, D.C. Dulles Intl
Sun 5/11
6:22 am-12:15 pm
1 stop5h 53m
Toronto Pearson Intl
Sun 5/18
7:00 am-11:14 am
1 stop4h 14m
$188
Washington, D.C.Toronto
IAD - YTZ
IADYTZ
Washington, D.C. Dulles Intl
Sat 4/19
4:07 pm-9:35 pm
1 stop5h 28m
Toronto Island
Tue 4/22
4:20 pm-9:15 pm
1 stop4h 55m
$191
Washington, D.C.Toronto
IAD - YYZ
IADYYZ
Washington, D.C. Dulles Intl
Wed 5/14
8:25 am-10:04 am
Nonstop1h 39m
Toronto Pearson Intl
Sat 6/7
4:00 pm-9:04 pm
1 stop5h 04m
$193
Washington, D.C.Toronto
IAD - YTZ
IADYTZ
Washington, D.C. Dulles Intl
Thu 6/12
4:20 pm-5:53 pm
Nonstop1h 33m
Toronto Island
Sun 6/15
1:35 pm-3:06 pm
Nonstop1h 31m
$202
Washington, D.C.Toronto
IAD - YTZ
IADYTZ
Washington, D.C. Dulles Intl
Fri 6/27
4:20 pm-5:53 pm
Nonstop1h 33m
Toronto Island
Wed 7/2
1:35 pm-3:06 pm
Nonstop1h 31m
$204
Washington, D.C.Toronto
IAD - YYZ
IADYYZ
Washington, D.C. Dulles Intl
Tue 5/13
6:00 am-11:25 am
1 stop5h 25m
Toronto Pearson Intl
Thu 6/5
6:03 am-11:45 am
1 stop5h 42m
$232
Washington, D.C.Toronto
IAD - YYZ
IADYYZ
Washington, D.C. Dulles Intl
Wed 6/18
1:00 pm-5:15 pm
1 stop4h 15m
Toronto Pearson Intl
Wed 7/9
1:20 pm-6:48 pm
1 stop5h 28m
$324
Washington, D.C.Hamilton
IAD - YHM
IADYHM
Washington, D.C. Dulles Intl
Sun 5/11
3:18 pm-12:41 am
2 stops33h 23m
Hamilton
Sun 5/18
6:00 am-11:14 am
2 stops29h 14m
$487
Showing 1-10 of 23 results
Compare providers for flights from Dulles Intl to Toronto
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 Dulles Intl to Toronto in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Toronto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Toronto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Toronto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Toronto 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 Washington, D.C. Dulles Intl Airport-Toronto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
The best insider tips for Washington, D.C. Dulles Intl Airport to Toronto flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Toronto trip
Airlines
![Porter Airlines]()
Porter Airlines
![Air Canada]()
Air Canada
Air Canada offers complimentary meals in Premium Economy, enhancing short-haul comfort.
Economy Latitude includes priority check-in and baggage handling, ideal for efficient travel.
![United Airlines]()
United Airlines
United Economy Plus offers extra legroom, enhancing comfort on short flights.
United offers priority check-in and two free checked bags in premium cabins.
Airports
Our travel experts
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 March 21, 2025.
Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Toronto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 $243). Flying from Washington, D.C. Dulles Intl Airport to Toronto in July is currently the most expensive (average of $359). 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 March 28, 2025.
It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Toronto at noon. Doing so could potentially save you 43% on the flight price compared to flying in the evening, which is usually more expensive.
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 December 16, 2024.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Toronto flight should consider departing on Monday at noon when fares are most often at their lowest. Saturday evenings 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 March 28, 2025.
The most flights from IAD to YTO are scheduled on a Friday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 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 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Toronto when rainfall is around 2.0 in.
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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).
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 March 28, 2025.
Peruse reviews from past customers who have flown with Delta, Porter Airlines and Air Transat from Washington, D.C. to Toronto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.3
Boarding
8.2
Comfort
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
8.0
Food
7.3
Boarding
8.2
Comfort
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
8.0
Food
7.3
Boarding
8.2
Comfort
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
8.0
Food
7.3
Boarding
8.2
Comfort
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
8.0
Food
7.3
Boarding
8.2
Comfort
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
8.0
Food
7.3
Boarding
8.2
Comfort
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Dulles Intl to Toronto
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Dulles Intl to Toronto
Discover the top 5 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 2,558,603 searches. Data last updated March 28, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$345 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$125 | Average$285 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$205 | Average$353 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$250 | Average$346 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$278 | Average$478 | FlexibilityNo cancel fee | On-time60% |