Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Toronto Island Airport to Washington, D.C. Dulles Intl Airport from C$ 167

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
YTZ — IAD
19 Aug — 26 Aug1
1 adult

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 14 August 2025.

Round-trip from

C$ 258

One-way from

C$ 167

Popular in

October

Cheapest in

May

Average price

C$ 331

Good round-trip deal

C$ 251 or less

Good one-way deal

C$ 156 or less
Porter Airlines
  • Porter Airlines
  • 8/9-11/9
  • Nonstop
  • 3h 04m total
  • Toronto to Washington, D.C.
Search Deals
Porter Airlines
  • Porter Airlines
  • 27/8
  • Nonstop
  • 1h 31m total
  • Toronto to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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.
Search Deals

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 14 August 2025.

Mon 8/98:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Thu 11/911:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 12/8C$ 258
Wed 3/91:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 14/911:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 12/8C$ 259
Fri 12/91:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Wed 24/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 13/8C$ 261
Fri 26/91:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Fri 3/104:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 11/8C$ 262
Thu 4/98:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 7/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 12/8C$ 263
Wed 3/91:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Tue 23/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 12/8C$ 269
Sun 7/98:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Wed 10/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 14/8C$ 270
Tue 9/91:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Tue 16/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 12/8C$ 272
Tue 2/91:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Sat 6/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 12/8C$ 274

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 14 August 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 9/9

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 14/9

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

Nonstop1h 33m

C$ 258

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 13/9

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sat 20/9

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

Nonstop1h 33m

C$ 258

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 8/9

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Thu 11/9

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

Nonstop1h 33m

C$ 258

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 8/9

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 14/9

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

Nonstop1h 33m

C$ 258

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 8/9

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 10/9

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

Nonstop1h 33m

C$ 258

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 26/9

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Fri 3/10

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

Nonstop1h 33m

C$ 258

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 10/10

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 15/10

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

Nonstop1h 33m

C$ 258

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

Wed 15/10

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

Nonstop1h 33m

C$ 258

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 13/10

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Fri 17/10

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

Nonstop1h 33m

C$ 258

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 24/10

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Thu 30/10

6:35 p.m.-8:05 p.m.

Nonstop1h 30m

C$ 258

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/8

Showing 1-10 of 22 results
1
2
3

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 14 August 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 19% 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 10 August 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.

Weekly flight availability from Toronto Island Airport to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Toronto Island to Dulles Intl. 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 14 August 2025.

The most flights from YTZ to IAD are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

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 14 August 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
8.0
Very good
332 reviews
Check prices

Overall

8.0

Crew

8.7

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
332 reviews
Porter Airlines
8.0
Very good
332 reviews
Check prices

Overall

8.0

Crew

8.7

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
427 reviews
Porter Airlines
8.0
Very good
332 reviews
Check prices

Overall

8.0

Crew

8.7

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • 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$ 212. Users have found that Air Transat is 39% 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 (80%), Porter Airlines (80%) or Air Transat (80%) 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$ 133. On average you can expect to pay C$ 230. The most popular route, (Toronto Island - Washington, D.C. Dulles Intl), can usually be booked for C$ 229.

  • 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

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.

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 14 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 204AverageC$ 317FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 212AverageC$ 293FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

Of course! You can now track prices for flights from Toronto Island to Dulles Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.