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Dulles Intl

$131+ Cheap flights from Toronto Island (YTZ) 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
YTZ — IAD
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Toronto Island to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Toronto Island (YTZ) 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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(Kiwi.com)

One-way from

$131
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$212

Good round-trip deal

$191 or less

Good one-way deal

$183 or less
Provider with most accurate pricing for Toronto Island-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Toronto Island-Washington, D.C. Dulles Intl flights.
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From Toronto Island to Washington, D.C. Dulles Intl
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One-way flight from Toronto Island to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 16% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Toronto Island to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Toronto Island to Washington, D.C. Dulles Intl.
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Find flight deals from Toronto Island to Dulles Intl

Cheapest flights from Toronto Island to Dulles Intl
Explore the most affordable flight options available from Toronto Island to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Fri 12/58:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Mon 12/811:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 11/6$189
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Thu 12/43:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 12/711:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 11/5$190
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Thu 11/273:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Thu 12/411:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 11/5$191
This Trip.com deal was found by Cheapflights users on 11/6. 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.
Fri 11/283:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 12/36:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 11/6$192
This Trip.com deal was found by Cheapflights users on 11/6. 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.
Fri 12/53:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Thu 12/1811:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 11/6$193
This SmartFares deal was found by Cheapflights users on 11/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Sat 12/61:45 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 11/5$194
This Trip.com deal was found by Cheapflights users on 11/5. 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.
Wed 12/38:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 12/106:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 11/5$195
This Mytrip deal was found by Cheapflights users on 11/6. 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.
Mon 12/158:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 12/176:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 11/6$199
This FlightHub deal was found by Cheapflights users on 11/6. 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.
Tue 12/233:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Mon 12/296:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 11/6$200
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Fri 12/53:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Fri 12/1211:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 11/5$204
This Trip.com deal was found by Cheapflights users on 11/5. 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 12/113:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Fri 12/126:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 11/5$208
This Trip.com deal was found by Cheapflights users on 11/5. 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.
Sat 11/2211:00 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Tue 12/26:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 11/5$209

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto Island 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 November 6, 2025.
Use the filters below to find and compare flights from Toronto Island Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Toronto Island

Fly to

Dulles Intl

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 12/3

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 12/7

11:40 am-1:10 pm

Nonstop1h 30m

$189

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 11/28

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 12/7

11:40 am-1:10 pm

Nonstop1h 30m

$189

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 12/5

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 12/8

11:40 am-1:10 pm

Nonstop1h 30m

$189

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 12/5

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 12/7

11:40 am-1:10 pm

Nonstop1h 30m

$189

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 12/4

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 12/7

11:40 am-1:10 pm

Nonstop1h 30m

$189

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 12/12

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 12/15

11:40 am-1:10 pm

Nonstop1h 30m

$192

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 12/11

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 12/15

11:40 am-1:10 pm

Nonstop1h 30m

$192

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sun 12/21

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 12/28

11:40 am-1:10 pm

Nonstop1h 30m

$192

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 12/24

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 1/4

6:30 pm-8:00 pm

Nonstop1h 30m

$193

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 12/6

11:00 am-12:29 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 12/16

6:30 pm-8:00 pm

Nonstop1h 30m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 22 results
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Compare providers for flights from Toronto Island 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 Island to Dulles Intl in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Island Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Toronto Island Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Toronto Island Airport-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 Island Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Island Airport-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 Island to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Toronto Island 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 Toronto Island Airport to Washington, D.C. Dulles Intl Airport

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

Currently, May is the cheapest month in which you can book a flight from Toronto Island Airport to Washington, D.C. Dulles Intl Airport (average of $134). Flying from Toronto Island Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $205). 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 YTZ to IAD?

Find hourly flight availability from Toronto Island 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 November 6, 2025.

One of the essential ways to save on airfare from Toronto Island Airport to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 12% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Toronto Island to Dulles Intl. Price data was last updated on November 2, 2025.

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

The best insider tips for Toronto Island Airport to Washington, D.C. Dulles Intl Airport 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 Toronto Island Airport to Washington, D.C. Dulles Intl Airport trip
Airports
YTZ

YTZ offers fast security lines due to its small size. Arrive with time to spare, but expect minimal waiting.

Read more about YTZby Kaitlyn McInnis
IAD

Use the Washington Metro Silver line for a cheap, 40-minute ride to Dulles, with the station just five minutes from the terminal.

Read more about IADby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Kaitlyn McInnis

Kaitlyn McInnis

Expert on YTZ

Kaitlyn McInnis

Kaitlyn McInnis

Kaitlyn is a guidebook author and travel writer splitting her time between Atlantic Canada and Istanbul, Türkiye. She has visited over fifty countries and all seven continents, so she is very familiar with many hotels, airports and airlines around the globe. But her favorite type of vacation is sunbathing by the sea with a good book in hand.

Read more

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 November 6, 2025.
Peruse reviews from past customers who have flown with Porter Airlines from Toronto Island Airport to Washington, D.C. Dulles Intl Airport 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.
Porter Airlines
8.0
Very good
387 reviews

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
Porter Airlines
8.0
Very good
387 reviews
Porter Airlines
8.0
Very good
387 reviews

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.

Related info for your journey

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

  • How long is the flight from Toronto Island Airport to Washington, D.C. Dulles Intl Airport?

    Airlines like Porter Airlines fly from Toronto Island Airport to Washington, D.C. Dulles Intl Airport in about 1h 29m. The time it takes to get you to your destination is usually consistent. The distance from Toronto Island Airport to Washington, D.C. Dulles Intl Airport is about 339 mi. Generally, flights for this route are nonstop.

  • What is the cheapest airline to fly from Toronto Island Airport to Washington, D.C. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Toronto Island Airport to Washington, D.C. Dulles Intl Airport round-trip from $174. You may be able to fly from Toronto Island Airport to Washington, D.C. Dulles Intl Airport for 30% less than the average price by searching for this airline.

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

    Consider Porter Airlines (78%), Porter Airlines (78%) or Air Transat (78%) when booking your flight. These represent the most reliable airlines when flying from Toronto Island Airport to Washington, D.C. Dulles Intl Airport.

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

    Looking at all options, your cheapest flight can be booked for $124. While the most popular route (Toronto Island - Washington, D.C. Dulles Intl) can be booked for $185 on average, our data indicates $253 when flying from Toronto Island Airport to Washington, D.C. Dulles Intl Airport.

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Toronto Island Airport to Washington, D.C. Dulles Intl Airport (average of $134). Flying from Toronto Island Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $205). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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Alternative routes for Toronto Island to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Dulles Intl flights
Pearson Intl to Reagan-National flights
Pearson Intl to Baltimore flights
Toronto Island to Baltimore flights
Toronto Island to Reagan-National flights

Top airline flying from Toronto Island to Dulles Intl

Discover the top airline that operate flights from Toronto Island 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$174Average$268FlexibilityNo cancel feeOn-time52%

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