IAD - YTO

C$ 123 Find Cheap Flights from Washington Dulles Airport to Toronto – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 273
Typical prices: C$ 357-C$ 657
Porter Airlines, Air Canada
Wed 17/10Tue 23/10
IAD - YTZ • Direct
Cheapest direct flights
C$ 278
Typical prices: C$ 357-C$ 656
Porter Airlines
Fri 19/10Thu 1/11
IAD - YTZ • Direct
Advice from real travellers
United Economy Plus adds 15 cm legroom; Air Canada Preferred Economy adds 10 cm.
Porter’s no middle seats stand out, while Air Canada Aeroplan adds free messaging.
Expert advice
+1
Expert advice
+1
Direct flights
You can fly direct with United Airlines, Air Canada, and Porter Airlines. Average duration is 1h 36m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 15% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 87% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 9 weeks in advance save around 51% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 13% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 406 (round-trip)
Shortest trip • 3h 44m (one-way)
Insights
Insights
Start a new search
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We hope you enjoy your trip to Toronto!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Dulles Intl to Toronto (IAD-YTO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Toronto

Sat, 17 Oct - Fri, 23 Oct
Multiple Airlines Logo
11:25 a.m. - 12:55 p.m.IAD  Washington, D.C. Dulles Intl-YTZ Toronto Island
1h 30mdirect
Multiple Airlines Logo
8:30 a.m. - 2:57 p.m.YTZ  Toronto Island-IAD Washington, D.C. Dulles Intl
6h 27m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 273Multiple Airlines
Mon, 19 Oct - Sun, 1 Nov
Porter Airlines Logo
11:25 a.m. - 12:55 p.m.IAD  Washington, D.C. Dulles Intl-YTZ Toronto Island
1h 30mdirect
Porter Airlines Logo
9:10 a.m. - 10:38 a.m.YTZ  Toronto Island-IAD Washington, D.C. Dulles Intl
1h 28mdirect
C$ 278Porter Airlines
Mon, 30 Nov - Mon, 7 Dec
Porter Airlines Logo
11:20 a.m. - 12:52 p.m.IAD  Washington, D.C. Dulles Intl-YTZ Toronto Island
1h 32mdirect
Porter Airlines Logo
9:10 a.m. - 10:38 a.m.YTZ  Toronto Island-IAD Washington, D.C. Dulles Intl
1h 28mdirect
C$ 278Porter Airlines
Thu, 29 Oct - Sun, 15 Nov
Porter Airlines Logo
11:20 a.m. - 12:52 p.m.IAD  Washington, D.C. Dulles Intl-YTZ Toronto Island
1h 32mdirect
Porter Airlines Logo
4:15 p.m. - 5:43 p.m.YTZ  Toronto Island-IAD Washington, D.C. Dulles Intl
1h 28mdirect
C$ 278Porter Airlines
Tue, 3 Nov - Tue, 10 Nov
Air Canada Logo
9:55 a.m. - 11:22 a.m.IAD  Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl
1h 27mdirect
Air Canada Logo
6:40 p.m. - 8:10 p.m.YYZ  Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl
1h 30mdirect
C$ 279Air Canada
Sat, 17 Oct - Fri, 23 Oct
Air Canada Logo
9:45 a.m. - 3:50 p.m.IAD  Washington, D.C. Dulles Intl-YTZ Toronto Island
6h 05m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:45 a.m. - 2:57 p.m.YTZ  Toronto Island-IAD Washington, D.C. Dulles Intl
4h 12m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 282Air Canada
Wed, 21 Oct - Wed, 21 Oct
United Airlines Logo
6:10 a.m. - 11:49 a.m.IAD  Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl
5h 39m1 stop Chicago O'Hare Intl
United Airlines Logo
2:30 p.m. - 4:07 p.m.YYZ  Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl
1h 37mdirect
C$ 310United Airlines
Sat, 31 Oct - Sat, 31 Oct
United Airlines Logo
6:11 a.m. - 4:47 p.m.IAD  Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl
10h 36m1 stop Chicago O'Hare Intl
United Airlines Logo
7:44 p.m. - 9:26 p.m.YYZ  Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl
1h 42mdirect
C$ 310United Airlines
Sat, 17 Oct - Fri, 23 Oct
Lufthansa Logo
5:17 p.m. - 7:02 p.m.IAD  Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl
1h 45mdirect
Lufthansa Logo
12:45 p.m. - 2:22 p.m.YYZ  Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl
1h 37mdirect
C$ 310Lufthansa
Tue, 6 Oct - Tue, 6 Oct
Multiple Airlines Logo
6:45 a.m. - 11:43 a.m.IAD  Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl
4h 58m1 stop Newark
Multiple Airlines Logo
1:55 p.m. - 3:25 p.m.YYZ  Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl
1h 30mdirect
C$ 310Multiple Airlines
Booking Insights

Price, demand, and travel trends for Washington, D.C. Dulles Intl Airport to Toronto flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Toronto with more confidence.

What is the cheapest Washington, D.C. Dulles Intl Airport to Toronto flight route?

Washington, D.C. Dulles Intl Airport (IAD) to Toronto Island Airport (YTZ) is the cheapest Washington, D.C. Dulles Intl Airport to Toronto route, averaging C$ 399 round-trip. Other Washington, D.C. Dulles Intl Airport to Toronto routes average C$ 541, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Toronto?

Wednesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Toronto and is 5% cheaper than the average day. Monday is the most expensive day with flight prices 13% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•September is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Toronto at C$ 393 round-trip.
•March (C$ 500) and July (C$ 485) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 27% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. Dulles Intl Airport to Toronto the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to Toronto are cheapest 9 weeks before departure. Booking in this window typically costs about 51% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Dulles Intl to Toronto

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines, Air Canada and IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

John Walton

John Walton

Expert on Porter Airlines

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Mark Stachiew

Mark Stachiew

Expert on YYZ

Mark Stachiew has been exploring the world and writing about it for more than 30 years. His travel stories have appeared in numerous newspapers, magazines and online publications in Canada, the United States and beyond.

Jennifer Bain

Jennifer Bain

Expert on YTZ

Jennifer Bain is a Canadian travel writer who takes at least 50 flights a year and has proudly visited all 13 of Canada's provinces and territories. She is a former newspaper travel editor who has written three travel books. Jennifer is the Canada editor for U.S.-based National Parks Traveler and freelances for numerous other outlets.

Key details for Washington, D.C. Dulles Intl Airport to Toronto flights

Low season

February

Cheapest flight

C$ 123
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly (7% more expensive on average)
Flights from Washington, D.C. Dulles Intl Airport to Toronto Island Airport

When to book flights from Dulles Intl to Toronto

Are your dates flexible? Find out the best times to travel from Dulles Intl to Toronto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from Dulles Intl to Toronto: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Dulles Intl to Toronto 
SamFlew with Air Canada-Jan 2025
Do not rush to know the gate. almost anytime I have a trip to Toronto the gate changes and I walk a long distance to the new gate. for me this time around 30 minutes.
Verified travelerFlew with Air Canada-Apr 2024
Grab the first class seat, it is worth the extra money for the comfort and nice meal for such a quick flight.

Your Washington, D.C. Dulles Intl Airport to Toronto flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • What are the earliest and latest flights from Washington, D.C. Dulles Intl Airport to Toronto?

    These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Toronto:

    • Earliest: departs at 8:28 am and lands at 10:04 am
    • Latest: departs at 10:19 pm and lands at 11:55 pm.

    The flight takes about 1h 36m.

  • Which cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Toronto?

    Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Toronto:

    • Economy Class
    • First Class

  • How long does a flight from Washington, D.C. Dulles Intl Airport to Toronto take?

    A direct flight from Washington, D.C. Dulles Intl Airport to Toronto takes 1h 36m, covering 880 km.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Toronto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Toronto flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Toronto range from C$ 357 to C$ 657, with an average of C$ 454 over the past 12 months. Anything below C$ 357 counts as a good deal.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to Toronto flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 80% above the route average of C$ 454. Book 9 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Washington, D.C. Dulles Intl Airport to Toronto?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 406 round-trip via Ottawa (YOW), compared to C$ 455 for direct.

  • How does United Airlines's on-time performance compare to other airlines on Washington, D.C. Dulles Intl Airport to Toronto flights?

    United Airlines is slightly above the route average for timely arrivals, while Air Canada has a lower on-time arrival rate. On-time arrival rates on Washington, D.C. Dulles Intl Airport to Toronto flights are:

    • United Airlines: 87% on time
    • Air Canada: 83% on time
    • Delta: 40% on time

    On average, flights on this route are punctual 85% of the time.

  • What is the standard checked bag allowance on flights from Washington, D.C. Dulles Intl Airport to Toronto?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 31–C$ 141 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • How are flight departures from Washington, D.C. Dulles Intl Airport to Toronto spread across the day?

    Morning is the busiest departure period on Washington, D.C. Dulles Intl Airport to Toronto flights, with 29% leaving in that window. Afternoon departures account for 29%, Evening flights for 28%, and Night flights for 14%.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Toronto changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 273 to C$ 2,471. That means the highest observed fare was about 9x higher than the lowest one.

  • Which airlines offer Wi-Fi on Washington, D.C. Dulles Intl Airport to Toronto flights?

    Two airlines offer in-flight Wi-Fi on Washington, D.C. Dulles Intl Airport to Toronto flights:

    • Air Canada
    • United Airlines

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Toronto looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Toronto are currently lower than usual. Average one-way flight prices are about C$ 129, which is 51% below the typical average for this route.

  • What car rental options are available in Toronto?

    Since Toronto is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Toronto Pearson Intl Airport (YYZ) – daily rates from around C$ 12:

    • Ace
    • Routes Car & Truck Rentals
    • City Car & Truck Rental
    • Zoom Rent A Car
    • Hertz

    Near Toronto Island Airport (YTZ) – daily rates from around C$ 18:

    • Hertz
    • Enterprise Rent-A-Car
    • National
    • Advance Car And Truck Rental
    • Budget

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Toronto?

    Flights from Washington, D.C. Dulles Intl Airport to Toronto usually depart from Washington, D.C. Dulles Intl (IAD) and may arrive at several airports in Toronto area, including Toronto Region of Waterloo Intl (YKF), Toronto Island (YTZ) and Toronto Pearson Intl (YYZ).

  • How do delay rates compare for morning and evening flights from Washington, D.C. Dulles Intl Airport to Toronto?

    Evening flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • At what point is a flight considered delayed on the route from Washington, D.C. Dulles Intl Airport to Toronto?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Washington, D.C. Dulles Intl Airport to Toronto route, 15% of flights were delayed in the past 3 months, with delays averaging 1 hour 49 minutes.

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Toronto pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Toronto most commonly connect through:

    • Detroit Metropolitan Wayne County (DTW) – 60% of one-stop connections
    • Toronto Pearson Intl (YYZ) – 12% of one-stop connections
    • Orlando (MCO) – 8% of one-stop connections
    • Ottawa (YOW) – 8% of one-stop connections

    Detroit Metropolitan Wayne County (DTW) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Toronto?

    Yes. Being flexible with your travel dates can save you up to 8% on the Washington, D.C. Dulles Intl Airport to Toronto route. Wednesday is the cheapest departure day at C$ 479 round-trip on average, while Monday is the most expensive at C$ 517, a difference of C$ 38. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines are available on the route from Washington, D.C. Dulles Intl Airport to Toronto?

    3 airlines operate flights between Washington, D.C. Dulles Intl Airport and Toronto. The airlines offering direct flights on this route include:

    • United Airlines
    • Air Canada
    • Porter Airlines

  • How much time can I save by choosing a different layover airport when travelling from Washington, D.C. Dulles Intl Airport to Toronto?

    Flying via Cleveland Hopkins Intl (CLE) gives the shortest average 1-stop total travel time at 3h 44m, compared with 4h 15m via Toronto Pearson Intl (YYZ) and 4h 26m via Ottawa (YOW).

  • Which popular places can I visit in Toronto?

    Some of the most popular sights in Toronto are Rogers Centre, Scotiabank Arena, and Union Station. These are among the most viewed places in Toronto on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Washington, D.C. Dulles Intl Airport to Toronto flights?

    Among airlines operating Washington, D.C. Dulles Intl Airport to Toronto flights:

    • Air Canada: offers extra legroom; offers free seat selection
    • Porter Airlines: offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Washington, D.C. Dulles Intl Airport to Toronto flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Air Canada: a carry-on bag and a checked bag in Economy Class
    • Porter Airlines: a carry-on bag and a checked bag in Economy Class
    • United Airlines: a carry-on bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Your guide to booking Washington, D.C. Dulles Intl Airport to Toronto flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average C$ 479 – about C$ 38 less than Monday (7% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 9 weeks before you fly. On this route, that window historically saves about 51% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Toronto trip for September. Fares historically average C$ 393 round-trip in that month – typically C$ 107 less than the most expensive month, which is March (based on the last 12 months).
  • If arriving on time is high on your priority list, United Airlines is the strongest pick on this route. 87% of United Airlines flights from Washington, D.C. Dulles Intl Airport to Toronto arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 85%. When flights on this route do arrive late, the average delay is 1 hour49 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Ottawa Airport (YOW) can be cheaper than flying direct. The cheapest layover option averages C$ 406 round-trip on this route – about C$ 48 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near Toronto Pearson Intl Airport

    · Sheraton Gateway Hotel in Toronto International Airport
    · DoubleTree by Hilton Toronto Airport
    · Crowne Plaza Toronto Airport By IHG

    Near Toronto Island Airport

    · The Omni King Edward Hotel
    · Marriott Downtown at CF Toronto Eaton Centre
    · Hilton Toronto

Prefer to fly direct from Washington Dulles Airport to Toronto?

 
Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to Toronto, which days they fly and book direct flights.

Direct departures

Washington, D.C. Dulles Intl to Toronto

Monday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Tuesday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Wednesday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Thursday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Friday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Saturday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Sunday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

See more nonstop flights

Direct returns

Toronto to Washington, D.C. Dulles Intl

Monday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Tuesday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Wednesday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Thursday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Friday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Saturday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

Sunday

Air Canada,Porter Airlines,United Airlines

Air Canada,Porter Airlines, +1 more

See more nonstop flights

More options for your flight from Dulles Intl to Toronto

Complete your trip to Toronto with a hotel stay or car rental