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Dulles Intl

$127+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
YTZ — IAD
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This Trip.com deal was found by Cheapflights users on 12/2. 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.
Tue 12/308:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Mon 1/56:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/2$196
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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 12/183:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Mon 12/296:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/2$207
This Trip.com deal was found by Cheapflights users on 12/3. 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 12/193:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Fri 1/26:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/3$208
This Trip.com deal was found by Cheapflights users on 12/1. 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 12/198:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 12/3111:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/1$209
This Trip.com deal was found by Cheapflights users on 12/4. 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 12/188:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 12/216:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/4$211
This Mytrip deal was found by Cheapflights users on 12/2. 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.
Tue 12/238:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Tue 12/306:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/2$213
This Trip.com deal was found by Cheapflights users on 12/4. 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 12/263:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Thu 1/811:35 amIAD - YTZ
Nonstop1h 34mPorter Airlines
Deal found 12/4$214
This Booking.com deal was found by Cheapflights users on 12/2. 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.
Wed 12/248:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 12/3111:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/2$215
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Mon 12/228:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 12/3111:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/2$216
This Trip.com deal was found by Cheapflights users on 12/4. 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 12/208:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Thu 12/252:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/4$217
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/178:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 12/216:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/3$218

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$197
(FlightHub)

One-way from

$127
(Kiwi.com)

Popular in

September

Cheapest in

October

Average price

$314

Good round-trip deal

$192 or less

Good one-way deal

$153 or less
Provider with most accurate pricing for Toronto Island-Washington, D.C. Dulles Intl flight deals.
Search Deals
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
Search Deals
One-way flight from Toronto Island to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Toronto Island to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Toronto Island to Washington, D.C. Dulles Intl.
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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 December 4, 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

Tue 12/30

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 1/5

6:30 pm-8:00 pm

Nonstop1h 30m

$198

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 2/18

8:50 am-10:22 am

Nonstop1h 32m

Washington, D.C. Dulles Intl

Thu 2/19

11:40 am-1:10 pm

Nonstop1h 30m

$203

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 2/20

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 2/22

6:30 pm-8:00 pm

Nonstop1h 30m

$203

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 2/19

8:50 am-10:22 am

Nonstop1h 32m

Washington, D.C. Dulles Intl

Fri 2/20

6:30 pm-8:00 pm

Nonstop1h 30m

$203

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 1/30

8:50 am-10:19 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 2/8

11:40 am-1:10 pm

Nonstop1h 30m

$205

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 12/31

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 1/5

11:35 am-1:09 pm

Nonstop1h 34m

$219

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 12/23

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 12/29

6:30 pm-8:00 pm

Nonstop1h 30m

$224

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 1/8

8:50 am-10:19 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 1/11

11:35 am-1:09 pm

Nonstop1h 34m

$229

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 2/14

4:25 pm-8:54 pm

1 stop4h 29m

Washington, D.C. Dulles Intl

Tue 2/17

9:45 am-3:55 pm

1 stop6h 10m

$232

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 2/14

4:25 pm-8:54 pm

1 stop4h 29m

Washington, D.C. Dulles Intl

Wed 2/18

9:45 am-3:55 pm

1 stop6h 10m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 21 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 December.
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 $200). 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 December 4, 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 11% 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 29, 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. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Toronto Island Airport to Washington, D.C. Dulles Intl Airport?

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
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 December 4, 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
394 reviews

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
394 reviews
Porter Airlines
8.0
Very good
394 reviews

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 29% 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 $114. While the most popular route (Toronto Island - Washington, D.C. Dulles Intl) can be booked for $164 on average, our data indicates $203 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 $200). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton
Upper Marlboro

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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 Reagan-National flights
Pearson Intl to Dulles Intl 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$174Average$266FlexibilityNo cancel feeOn-time52%

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