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Cheap flights from Toronto Island Airport to Washington, D.C. Dulles Intl Airport from C$ 171

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
YTZ — IAD
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

C$ 256

One-way from

C$ 171

Popular in

September

Cheapest in

May

Average price

C$ 630

Good round-trip deal

C$ 259 or less

Good one-way deal

C$ 154 or less
Porter Airlines
  • Porter Airlines
  • 17/10-20/10
  • Nonstop
  • 3h 04m total
  • Toronto to Washington, D.C.
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Porter Airlines
  • Porter Airlines
  • 3/10
  • Nonstop
  • 1h 31m total
  • Toronto to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 109 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease (C$ 36 potential savings vs. average RT price).
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Average for round-trip flights in September 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 16 September 2025.

Fri 17/108:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Mon 20/1011:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 14/9C$ 256
Thu 9/108:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 12/104:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 16/9C$ 257
Thu 16/108:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 19/1011:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 14/9C$ 262
Thu 27/118:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 3/1211:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 15/9C$ 265
Wed 15/101:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Wed 22/104:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 15/9C$ 267
Sat 25/101:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Mon 27/106:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 14/9C$ 268
Fri 17/101:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 19/104:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 14/9C$ 269
Tue 28/103:45 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 5/1111:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 13/9C$ 272
Thu 23/108:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Wed 5/1111:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 13/9C$ 275
Thu 6/113:45 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Tue 18/116:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 15/9C$ 276

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 16 September 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

Thu 23/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 28/10

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

Nonstop1h 30m

C$ 256

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 25/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 26/10

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

Nonstop1h 30m

C$ 268

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 6/10

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 8/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 268

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 27/11

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 9/12

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

Nonstop1h 30m

C$ 268

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 13/11

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 16/11

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

Nonstop1h 30m

C$ 268

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 21/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Fri 24/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 268

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 17/10

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 21/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 268

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 9/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sat 11/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 269

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 28/10

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 4/11

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

Nonstop1h 30m

C$ 272

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 9/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 12/10

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

Nonstop1h 33m

C$ 272

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 21 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, February 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$ 256). Flying from Toronto Island Airport to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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 16 September 2025.

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 16% on the flight price compared to flying in the evening, 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 14 September 2025.

Travelers seeking maximum savings on their Toronto Island Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday at noon 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.

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 16 September 2025.
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
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 31m. 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$ 204, 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 41% 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 (79%), Air Transat (79%) or Porter Airlines (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?

    The cheapest flight price from Toronto Island Airport to Washington, D.C. Dulles Intl Airport is C$ 142. On average you can expect to pay C$ 222. The most popular route, (Toronto Island - Washington, D.C. Dulles Intl), can usually be booked for C$ 256.

  • 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, February 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$ 256). Flying from Toronto Island Airport to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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
Herndon
Warrenton
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Winchester
Arlington
Alexandria
Manassas
Fredericksburg
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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 204AverageC$ 316FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 213AverageC$ 296FlexibilityNo 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.

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