Cheap Flights from Washington D.C. (IAD) to Toronto (YTZ)

Compare Washington Dulles to Toronto Island flight deals

Find the cheapest month or even day of the year to fly to Toronto Island

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Flight deals from Washington Dulles to Toronto Island

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Toronto Island Airport? If you want to travel next month, return fares start from $254. Find the lowest prices on one-way and return tickets right here.

Toronto.$254 per passenger.Departing Thu, 24 Sep, returning Sat, 26 Sep.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Washington Dulles on Thu, 24 Sep, arriving in Toronto Island.Inbound direct flight with Porter Airlines departs from Toronto Island on Sat, 26 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $254, select.

Toronto.$261 per passenger.Departing Sat, 21 Nov, returning Sat, 28 Nov.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Washington Dulles on Sat, 21 Nov, arriving in Toronto Island.Inbound direct flight with Porter Airlines departs from Toronto Island on Sat, 28 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $261, select.

Toronto.$262 per passenger.Departing Sat, 3 Oct, returning Sat, 10 Oct.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Washington Dulles on Sat, 3 Oct, arriving in Toronto Island.Inbound direct flight with Porter Airlines departs from Toronto Island on Sat, 10 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $262, select.

Toronto.$268 per passenger.Departing Mon, 17 Aug, returning Thu, 20 Aug.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Washington Dulles on Mon, 17 Aug, arriving in Toronto Island.Inbound direct flight with Porter Airlines departs from Toronto Island on Thu, 20 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $268, select.

Toronto.$288 per passenger.Departing Wed, 26 Aug, returning Tue, 1 Sep.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Washington Dulles on Wed, 26 Aug, arriving in Toronto Island.Inbound direct flight with Air Canada departs from Toronto Island on Tue, 1 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $288, select.

Toronto.$288 per passenger.Departing Wed, 23 Sep, returning Wed, 7 Oct.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Washington Dulles on Wed, 23 Sep, arriving in Toronto Island.Inbound direct flight with Air Canada departs from Toronto Island on Wed, 7 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $288, select.

Toronto.$304 per passenger.Departing Tue, 1 Dec, returning Thu, 3 Dec.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Washington Dulles on Tue, 1 Dec, arriving in Toronto Island.Inbound direct flight with Porter Airlines departs from Toronto Island on Thu, 3 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $304, select.

Toronto.$304 per passenger.Departing Sun, 15 Nov, returning Thu, 3 Dec.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Washington Dulles on Sun, 15 Nov, arriving in Toronto Island.Inbound direct flight with Porter Airlines departs from Toronto Island on Thu, 3 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $304, select.

Toronto.$316 per passenger.Departing Tue, 13 Oct, returning Mon, 2 Nov.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Washington Dulles on Tue, 13 Oct, arriving in Toronto Island.Inbound direct flight with Air Canada departs from Toronto Island on Mon, 2 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $316, select.

Toronto.$318 per passenger.Departing Thu, 10 Sep, returning Sun, 1 Nov.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Washington Dulles on Thu, 10 Sep, arriving in Toronto Island.Inbound direct flight with Porter Airlines departs from Toronto Island on Sun, 1 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $318, select.

Toronto.$363 per passenger.Departing Wed, 6 Jan, returning Sat, 9 Jan.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Washington Dulles on Wed, 6 Jan, arriving in Toronto Island.Inbound direct flight with Porter Airlines departs from Toronto Island on Sat, 9 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $363, select.

Toronto.$367 per passenger.Departing Tue, 15 Dec, returning Tue, 5 Jan.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Washington Dulles on Tue, 15 Dec, arriving in Toronto Island.Inbound direct flight with Porter Airlines departs from Toronto Island on Tue, 5 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $367, select.

Toronto.$399 per passenger.Departing Sat, 22 May, returning Sat, 29 May.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Washington Dulles on Sat, 22 May, arriving in Toronto Island.Inbound direct flight with Porter Airlines departs from Toronto Island on Sat, 29 May, arriving in Washington Dulles.Price includes taxes and charges.From $399, select.

Toronto.$425 per passenger.Departing Wed, 3 Feb, returning Mon, 15 Feb.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Washington Dulles on Wed, 3 Feb, arriving in Toronto Island.Inbound direct flight with Porter Airlines departs from Toronto Island on Mon, 15 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $425, select.

Toronto.$429 per passenger.Departing Wed, 31 Mar, returning Tue, 13 Apr.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Washington Dulles on Wed, 31 Mar, arriving in Toronto Island.Inbound direct flight with Porter Airlines departs from Toronto Island on Tue, 13 Apr, arriving in Washington Dulles.Price includes taxes and charges.From $429, select.

Toronto.$429 per passenger.Departing Tue, 6 Apr, returning Tue, 27 Apr.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Washington Dulles on Tue, 6 Apr, arriving in Toronto Island.Inbound direct flight with Porter Airlines departs from Toronto Island on Tue, 27 Apr, arriving in Washington Dulles.Price includes taxes and charges.From $429, select.

Find the cheapest month to fly from Washington Dulles to Toronto Island

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Toronto Island flights are currently cheapest in September.

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Direct flights from Washington Dulles to Toronto Island

Washington Dulles to Toronto Island: Alternative routes

Compare routes from Washington Dulles to Toronto below. You may find an airport to fly into that's cheaper, faster, or easier than Toronto Island.

Washington D.C. to Toronto: Flight information

The things to know before you go.

Cheapest flight found	$254
Cheapest month to fly	September
Average flight time	1 hr, 32 mins
Most popular airline	Porter Airlines
Average flights per week	47

Finding cheap flights from Washington Dulles to Toronto Island: Frequently asked questions

How much are return flights from Washington Dulles to Toronto Island?

The best price we found for a return flight from Washington Dulles to Toronto Island is $254. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Washington Dulles to Toronto Island?

1 hour and 32 minutes is the average flight time from Washington Dulles to Toronto Island.

Which airlines fly direct from Washington Dulles to Toronto Island?

Porter Airlines, Porter Airlines Inc and Air Transat fly direct from Washington Dulles to Toronto Island.

How many flights are there a week from Washington Dulles to Toronto Island?

As of August 2026, there are 47 flights per week flying from Washington Dulles to Toronto Island.

When is the cheapest time to fly from Washington Dulles to Toronto Island?

The cheapest month to fly from Washington Dulles to Toronto Island is usually September.

Which upcoming date is cheapest to fly from Washington Dulles Airport to Toronto Island Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Toronto Island Airport on Thursday, 24 September 2026.

Can I get a direct flight from Washington Dulles Airport to Toronto Island Airport?

Yes – the average flight time is 1 hour and 32 minutes.

How can I find the best flight deal to Toronto Island?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Toronto Island but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Toronto?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Toronto is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Washington Dulles Airport to Toronto Island with?

Currently, Porter Airlines offers the cheapest flight tickets to Toronto Island.

Flying from Washington Dulles Airport (IAD) to Toronto Island Airport (YTZ): what you need to know

Hop on a direct flight from Washington Dulles Airport to Toronto Island Airport and you'll be in the air for an average of 1 hour 30 minutes.
Washington DC and Toronto share the UTC-5 timezone. This means you won't need to account for any time differences.
There are 18 Washington Dulles Airport to Toronto Island Airport flights each week to choose from.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Show up at the airport on time to catch your IAD to YTZ flight.
During popular months like July, it's a good idea to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead of international flights whenever you're travelling during a peak period in general.
Jetting into Toronto (and then exploring more of Canada!) is a cinch with Porter Airlines (Canada) Ltd. This popular airline has direct flights from Washington Dulles Airport to Toronto Island Airport.
Porter Airlines (Canada) Ltd is the most frequently booked airline on this route.
Porter Airlines (Canada) Ltd is the most punctual carrier that operates IAD to YTZ flights, with 70.71% of its services landing on time.
Pick a stopover if you'd like to break up your flight. Simply uncheck 'Direct flights only' to look at all your options for tickets from Washington Dulles Airport to Toronto Island Airport. Montreal Pierre Elliott Trudeau Airport is a popular stopover on the IAD to YTZ route.

How to find the cheapest flights from Washington Dulles Airport (IAD) to Toronto Island Airport (YTZ)

$110 is currently the best price for a one-way Washington Dulles Airport to Toronto Island Airport flight. A return flight starts at $254. These prices may change depending on demand and availability.
Don't leave everything to the last moment. You're more likely to find cheap tickets from IAD to YTZ if you book in advance. Airlines often have some great early bird deals.
May is the cheapest month for flights from Washington Dulles Airport to Toronto Island Airport. If you prefer to travel during a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.
Spend less time searching for cheap flights from IAD to YTZ by setting up a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.
Tailor your flights with filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Washington Dulles Airport to Toronto Island Airport.

Handy information about Washington Dulles Airport (IAD)

IAD is located at 1 Saarinen Circle.
When it comes to the on-time performance of Washington Dulles Airport, 77% of flights complete their journey on time.
Washington Dulles Airport is around 40 kilometres from central Washington DC. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 45 minutes or so to arrive, depending on the traffic.
You can expect a trip time of around 1 hour 10 minutes on public transport.
Searching for a handy hotel near IAD? If you're boarding an early flight from Washington Dulles Airport to Toronto Island Airport, these accommodation options will have you sleeping moments from your check-in counter:

Arriving at Toronto Island Airport (YTZ)

If you have a late Washington Dulles Airport to Toronto Island Airport flight, few things top the convenience of being near the terminal. Grab your bags from the carousel and then be showered and relaxing shortly after at one of these accommodation options near YTZ:
Follow your own route with a Toronto Island Airport rental car. Pick up a set of wheels from Hertz, National or Avis and chase adventure across Toronto and beyond.
To secure the lowest price, book your vehicle from Toronto Island Airport around one week in advance.

When to fly to Toronto Island Airport (YTZ)

March is the most popular month for flights from Washington Dulles Airport to Toronto Island Airport. To skip the crowds, travel to Toronto in April.
Book your flight from Washington Dulles Airport to Toronto Island Airport for July if you want to go to Toronto during its warmest month. Expect temperatures of between 15ºC (59ºF) and 28ºC (82ºF).
February has average temperatures of between -15ºC (5ºF) and 3ºC (37ºF). Search for cheap tickets from IAD to YTZ sometime around then if you like travelling in cooler conditions.

Explore more of Canada

Montreal is just one of the many cities in Canada waiting to be explored once you've seen Toronto. Around 499 kilometres away to the north-east, its top attractions include Cirque du Soleil - KURIOS, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal.
If you're eager to discover another side of Canada, head for Ottawa, about 354 kilometres north-east of Toronto. Rideau Canal National Historic Site, Parliament Hill and Rideau Canal, Locks 1 - 8 - Ottawa are among the biggest draws.