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Cheap flights from Toronto Island Airport to Washington, D.C. Dulles Intl Airport from C$ 173

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
YTZ — IAD
18 Feb — 25 Feb1
1 adult
1 adult, Economy, 0 bags

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 19 January 2026.

Round-trip from

C$ 274

One-way from

C$ 173

Popular in

September

Cheapest in

March

Average price

C$ 321

Good round-trip deal

C$ 299 or less

Good one-way deal

C$ 192 or less
Porter Airlines
  • Porter Airlines
  • 12/2-22/2
  • Nonstop
  • 3h 02m total
  • Toronto to Washington, D.C.
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Porter Airlines
  • Porter Airlines
  • 5/2
  • Nonstop
  • 1h 32m total
  • Toronto to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 90 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease (C$ 38 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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

Enter your travel dates to find the best prices.

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 19 January 2026.

Thu 12/28:50 a.m.
YTZ
-
IAD
Nonstop1h 32m
Porter Airlines
Sun 22/26:30 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 18/1C$ 274
Fri 6/33:45 p.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Mon 9/311:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 16/1C$ 275
Thu 12/33:45 p.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Wed 18/311:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 16/1C$ 277
Thu 12/28:50 a.m.
YTZ
-
IAD
Nonstop1h 32m
Porter Airlines
Sun 15/26:30 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 16/1C$ 278
Tue 12/58:45 a.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Tue 19/54:10 p.m.
IAD
-
YTZ
Nonstop1h 33m
Porter Airlines
Deal found 16/1C$ 281
Fri 6/28:50 a.m.
YTZ
-
IAD
Nonstop1h 32m
Porter Airlines
Sun 8/211:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 17/1C$ 282
Fri 13/33:45 p.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Mon 16/311:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 18/1C$ 284
Sat 28/211:05 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Sun 8/36:30 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 17/1C$ 285
Fri 30/18:50 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Sun 8/211:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 17/1C$ 287
Sun 15/23:45 p.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Sun 22/26:30 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 18/1C$ 288
Sat 14/311:00 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Sun 29/36:30 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 18/1C$ 289
Sun 1/28:50 a.m.
YTZ
-
IAD
Nonstop1h 32m
Porter Airlines
Thu 12/211:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 18/1C$ 291

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 629,999 searches. Data last updated 19 January 2026.
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

Fri 24/4

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 2/5

11:35 a.m.-1:08 p.m.

Nonstop1h 33m

C$ 274

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 6/3

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 9/3

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

C$ 275

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 12/3

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Wed 18/3

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

C$ 277

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 17/3

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 17/3

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

C$ 277

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 17/3

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 22/3

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

C$ 278

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 14/2

11:05 a.m.-12:34 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 21/2

1:50 p.m.-3:20 p.m.

Nonstop1h 30m

C$ 282

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 21/2

11:05 a.m.-12:34 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 23/2

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

C$ 288

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sun 15/2

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 22/2

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

C$ 288

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 2/5

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 5/5

11:35 a.m.-1:08 p.m.

Nonstop1h 33m

C$ 288

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 13/3

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 21/3

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

Nonstop1h 30m

C$ 291

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/1

Showing 1-10 of 22 results
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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 C$ 186). Flying from Toronto Island Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 295). 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 19 January 2026.

It’s typically best to fly out from Toronto Island Airport to Washington, D.C. Dulles Intl Airport at noon. Doing so could potentially save you 15% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 17 January 2026.

Travelers seeking maximum savings on their Toronto Island Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday evenings 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?

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 19 January 2026.
Get a feel of what it's like to fly with Porter Airlines and Air Transat from Toronto Island Airport to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
411 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Entertainment

6.9

Crew

8.6

Comfort

7.9

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
411 reviews
Porter Airlines
8.0
Very good
411 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Entertainment

6.9

Crew

8.6

Comfort

7.9

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
Air Transat
7.7
Good
497 reviews
Porter Airlines
8.0
Very good
411 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Entertainment

6.9

Crew

8.6

Comfort

7.9

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?

    Departing from Toronto Island Airport to Washington, D.C. Dulles Intl Airport will take you 1h 29m. Airlines will cover a distance of 546 km. All flights are typically direct.

  • What are the cheapest airlines flying from Toronto Island Airport to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at C$ 211, Air Transat will fly you from Toronto Island Airport to Washington, D.C. Dulles Intl Airport and back. In addition to Air Transat, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Porter Airlines for as low as C$ 213. Users have found that Air Transat is 38% cheaper than the other options available to this destination.

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

    Consider Porter Airlines (61%), Porter Airlines (61%) or Air Transat (61%) 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?

    The cheapest flight price from Toronto Island Airport to Washington, D.C. Dulles Intl Airport is C$ 161. On average you can expect to pay C$ 408. The most popular route, (Toronto Island - Washington, D.C. Dulles Intl), can usually be booked for C$ 235.

  • 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 C$ 186). Flying from Toronto Island Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 295). 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

Travelling 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
Silver Spring
Warrenton
Winchester
Hanover
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Herndon
Manassas
Fredericksburg
Alexandria
Rockville

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Top 2 airlines flying from Toronto Island to Dulles Intl

Discover the top 2 airlines 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 629,999 searches. Data last updated 19 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 211AverageC$ 414FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 213AverageC$ 282FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Toronto Island to Dulles Intl?

When you search for this flight from Toronto Island to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Toronto Island to Dulles Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Dulles Intl from Toronto Island.

Can Cheapflights find flights from Toronto Island to Dulles Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Toronto Island to Dulles Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Toronto Island to Dulles Intl become cheaper?

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