C$159 Cheap Flights from Toronto (YTOA) to Washington Dulles (IAD)

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Flight deals from Toronto to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Toronto to Washington Dulles Airport? If you want to travel next month, return fares start from C$276. Find the lowest prices on one-way and return tickets right here.

Washington D.C..C$159 per passenger.Departing Sat., Jul. 4.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Sat., Jul. 4, arriving in Washington Dulles.Price includes taxes and charges.From C$159, select.

Washington D.C..C$160 per passenger.Departing Sun., Aug. 9.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Sun., Aug. 9, arriving in Washington Dulles.Price includes taxes and charges.From C$160, select.

Washington D.C..C$168 per passenger.Departing Thu., Oct. 1.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from Toronto Island on Thu., Oct. 1, arriving in Washington Dulles.Price includes taxes and charges.From C$168, select.

Washington D.C..C$168 per passenger.Departing Sat., Sep. 5.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from Toronto Island on Sat., Sep. 5, arriving in Washington Dulles.Price includes taxes and charges.From C$168, select.

Washington D.C..C$168 per passenger.Departing Fri., Jun. 26.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Fri., Jun. 26, arriving in Washington Dulles.Price includes taxes and charges.From C$168, select.

Washington D.C..C$179 per passenger.Departing Fri., Nov. 6.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Fri., Nov. 6, arriving in Washington Dulles.Price includes taxes and charges.From C$179, select.

Washington D.C..C$185 per passenger.Departing Thu., Dec. 10.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Thu., Dec. 10, arriving in Washington Dulles.Price includes taxes and charges.From C$185, select.

Washington D.C..C$274 per passenger.Departing Fri., Feb. 12.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Fri., Feb. 12, arriving in Washington Dulles.Price includes taxes and charges.From C$274, select.

Washington D.C..C$274 per passenger.Departing Fri., Jan. 15.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Fri., Jan. 15, arriving in Washington Dulles.Price includes taxes and charges.From C$274, select.

Washington D.C..C$275 per passenger.Departing Sun., Mar. 21.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Toronto Island on Sun., Mar. 21, arriving in Washington Dulles.Price includes taxes and charges.From C$275, select.

Washington D.C..C$291 per passenger.Departing Wed., May 12.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Toronto Island on Wed., May 12, arriving in Washington Dulles.Price includes taxes and charges.From C$291, select.

Find the cheapest month to fly from Toronto to Washington Dulles

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

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Which airlines fly from Toronto to Washington Dulles?

Toronto to Washington Dulles: Alternative routes

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

Toronto to Washington D.C.: Flight information

The things to know before you go.

Cheapest flight found	C$160
Cheapest month to fly	July
Average flight time	1 hr, 30 mins
Most popular airline	United
Average flights per week	218

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

How much are return flights from Toronto to Washington Dulles?

The best price we found for a return flight from Toronto to Washington Dulles is C$263. 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 Toronto to Washington Dulles?

1 hour and 29 minutes is the average flight time from Toronto to Washington Dulles.

Which airlines fly direct from Toronto to Washington Dulles?

United, Air Canada and Republic Airways fly direct from Toronto to Washington Dulles.

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

As of June 2026, there are 218 flights per week flying from Toronto to Washington Dulles.

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

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

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Toronto to Washington Dulles Airport on Friday, June 19, 2026.

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

Yes – the average flight time is 1 hour and 29 minutes.

How can I find the best flight deal to Washington Dulles?

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 Washington Dulles 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 Washington D.C.?

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

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

The cheapest airline that flies to Washington Dulles is Air Canada .

Travelling from Toronto to Washington Dulles International Airport (IAD): what you need to know

You can choose from a range of airports when organizing your flight from Toronto to Washington Dulles International Airport (IAD). Check out your options for flying out of Pearson International Airport (YYZ), Billy Bishop Toronto City Airport (YTZ) and Region of Waterloo International Airport (YKF).
Book a direct flight from Toronto to Washington Dulles International Airport and you'll be in the air for around 1 hour 33 minutes.
Toronto and Washington DC (where Washington Dulles International Airport is located) share the UTC-4 timezone. That means you won't have to adjust your watch once you land.
With 60 direct weekly flights between the two airports, Pearson International Airport (YYZ) to Washington Dulles International Airport (IAD) is the busiest route. United operates the earliest flight at 06:00. If you'd like to make the most of your day before flying, the last departure from YYZ to IAD is with United at 19:43.
For hassle-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your flight from Toronto to IAD.
Show up at the airport even earlier during popular months like August. Aim for two hours before domestic departures and up to four hours for international flights. After checking in, you can use any extra time to grab something to eat or simply relax.

Airports in Toronto

Pearson International Airport (YYZ)

You can hop on a direct flight from Toronto to Washington Dulles International Airport (IAD) departing from Pearson International Airport (YYZ).
United is a popular airline that operates direct flights from Toronto to Washington Dulles International Airport leaving from YYZ.
Travelling from central Toronto to YYZ takes about 49 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 27 kilometres in 26 minutes or so, depending on traffic conditions.
After a hassle-free start to your trip? Stay near Pearson International Airport. Whether you're catching an early flight from Toronto to Washington Dulles International Airport or just don't like being rushed, these hotels are perfect:

Billy Bishop Toronto City Airport (YTZ)

Billy Bishop Toronto City Airport (YTZ) offers direct flights from Toronto to Washington Dulles International Airport (IAD).
When leaving from YTZ, you'll have your pick of airlines that have direct flights from Toronto to IAD. Cruise through the sky with these preferred carriers:
Visit friends or family or just take some time to unwind with a stopover. If you'd like to split up your flight from Toronto to Washington Dulles International Airport, browse these options when taking off from Billy Bishop Toronto City Airport:
- Ottawa/Macdonald-Cartier International Airport (YOW)
- Montreal-Pierre Elliott Trudeau International Airport (YUL)
- Detroit Metropolitan Wayne County Airport (DTW)
YTZ is about 3 kilometres from central Toronto. It'll take 35 minutes or so to get to the airport driving from the city centre. Public transport takes approximately 39 minutes.
Start your vacation early with an additional night away from home. Before catching your flight from Toronto to IAD, chill out in one of these hotels close to Billy Bishop Toronto City Airport:

About Washington Dulles International Airport (IAD)

Consider booking a hotel near IAD if you're catching a late flight from Toronto to Washington Dulles International Airport. Select one of these options and skip the long transfer:

Getting from Washington Dulles International Airport (IAD) to central Washington DC

Washington Dulles International Airport is approximately 56 kilometres from central Washington DC. With your own car rental or if you're catching a cab, the drive is around 51 minutes.
Travelling by public transport takes about 3 hours and 26 minutes.

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

Book a one-way ticket from Toronto to Washington Dulles International Airport from C$159 or travel return from just C$263. Fares listed are subject to change and may differ when you make your booking.
You're more likely to score flight tickets from Toronto to IAD if you book 8 months before your departure date. We crunched the flight price data and found that's when fares on this route are typically at their lowest.
You'll score the best savings on your tickets from Toronto to Washington Dulles International Airport if you travel in May. Go one step further and use the 'Whole month' search tool to find the cheapest day to fly.
Create a Price Alert for flight tickets from Toronto to IAD. You don't need to check every day to find out if fares have dropped. We'll update you the moment the price changes.
Tailor your flights with filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Toronto to Washington Dulles International Airport.

The best time to fly from Toronto to Washington Dulles International Airport (IAD)

July is the busiest month to catch a flight from Toronto to Washington Dulles International Airport while February is the quietest. To work out the ideal time to go to Washington DC, consider the pace you like to travel at.
Book your flight from Toronto to IAD for July if you're eager to head to the city during its warmest month. You can expect temperatures in Washington DC to range from 19ºC to 33ºC.
Search for cheap flights from Toronto to Washington Dulles International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC and 10ºC on average.

More about Washington DC

When it comes to searching for somewhere to rest your head, you'll find the best places to stay in Washington DC right here. Check out these hotels once you've booked your flight from Toronto to Washington Dulles International Airport:
There are so many things to discover in this city it can be tricky to work out where to start. White House Historical Association, The White House and National Mall are leading attractions which should feature on any good Washington DC itinerary.

Complete your Washington DC trip with a car rental

Choose one of our car rentals in Washington DC and see the sights at your own pace. Easily compare prices from trusted rental companies in one place after booking your hotel and cheap flights from Toronto to Washington Dulles International Airport.