Cheap Flights from Toronto (YTOA) to Washington Dulles (IAD)

Compare Toronto to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Toronto to Washington Dulles Airport

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 £142. Find the lowest prices on one-way and return tickets right here.

Washington D.C..£85 per passenger.Departing Thu, 30 Apr.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Thu, 30 Apr, arriving in Washington Dulles.Price includes taxes and charges.From £85, select.

Washington D.C..£85 per passenger.Departing Sat, 2 May.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Sat, 2 May, arriving in Washington Dulles.Price includes taxes and charges.From £85, select.

Washington D.C..£86 per passenger.Departing Sun, 21 Jun.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Sun, 21 Jun, arriving in Washington Dulles.Price includes taxes and charges.From £86, select.

Washington D.C..£91 per passenger.Departing Tue, 27 Oct.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Tue, 27 Oct, arriving in Washington Dulles.Price includes taxes and charges.From £91, select.

Washington D.C..£91 per passenger.Departing Mon, 14 Sep.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Mon, 14 Sep, arriving in Washington Dulles.Price includes taxes and charges.From £91, select.

Washington D.C..£95 per passenger.Departing Sun, 9 Aug.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Sun, 9 Aug, arriving in Washington Dulles.Price includes taxes and charges.From £95, select.

Washington D.C..£95 per passenger.Departing Wed, 29 Jul.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Wed, 29 Jul, arriving in Washington Dulles.Price includes taxes and charges.From £95, select.

Washington D.C..£96 per passenger.Departing Wed, 16 Dec.One-way flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Wed, 16 Dec, arriving in Washington Dulles.Price includes taxes and charges.From £96, select.

Washington D.C..£102 per passenger.Departing Sat, 14 Nov.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Toronto Island on Sat, 14 Nov, arriving in Washington Dulles.Price includes taxes and charges.From £102, 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 April.

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Direct flights 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	£85
Cheapest month to fly	April
Average flight time	1 hr, 31 mins
Most popular airline	Air Canada
Average flights per week	216

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 £142. 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 30 minutes is the average flight time from Toronto to Washington Dulles.

Which airlines fly direct from Toronto to Washington Dulles?

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

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

As of April 2026, there are 217 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 May.

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 Monday, 18 May 2026.

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

Yes – the average flight time is 1 hour and 30 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 Porter Airlines .

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

There are two main airports to choose from in Toronto. Explore your options departing from Toronto Pearson International Airport (YYZ) or Billy Bishop Toronto City Airport (YTZ) when searching for a flight from Toronto to Washington Dulles International Airport (IAD).
1 hour 30 minutes is the average travel time for a direct Toronto to Washington Dulles International Airport flight.
Washington DC's timezone is UTC-5, which is the same as Toronto. Washington Dulles International Airport is located in Washington DC.
The busiest route is from Toronto Pearson International Airport (YYZ) to Washington Dulles International Airport (IAD), with 39 direct services every week. If you'd rather get moving right away, the earliest flight from YYZ to IAD is the 6am United Airlines service. If you prefer to leave later in the day, the final departure is at 7:47pm with United Airlines.
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 board your flight from Toronto to IAD.
You'll likely experience longer queues in popular months like July and other peak periods. Arriving up to four hours ahead of international flights and two hours for domestic departures is a good idea.

Airports in Toronto

Toronto Pearson International Airport (YYZ)

Take the express route from Toronto Pearson International Airport (YYZ). Nonstop flights from Toronto to Washington Dulles International Airport (IAD) are available from here.
You can book a direct flight from Toronto to Washington Dulles International Airport with United Airlines. This well-known airline offers services from YYZ.
United ranks first in bookings for flights from YYZ to IAD.
With 75.56% of services arriving as scheduled, Air Canada is the highest-rated carrier for punctuality on this route.
Located around 27 kms (17 miles) from the centre of Toronto, YYZ can be reached in about 30 minutes by car, depending on traffic. The journey on public transport takes roughly 25 minutes.
Looking for a comfortable hotel close to Toronto Pearson International Airport? If you've booked an early flight from Toronto to Washington Dulles International Airport, these accommodation options will put you a quick hop from check-in:
When it comes to the on-time performance of Toronto Pearson International Airport, data shows 68% of flights complete their journey on time.

Billy Bishop Toronto City Airport (YTZ)

Planning to catch a flight from Billy Bishop Toronto City Airport (YTZ)? Direct Toronto to Washington Dulles International Airport (IAD) plane tickets can be booked from here.
From YTZ, direct flights from Toronto to IAD are available with Porter Airlines.
Porter Airlines (Canada) Ltd is the top choice for travellers flying from YTZ to IAD.
Porter Airlines (Canada) Ltd is the most punctual carrier flying between Billy Bishop Toronto City Airport and Washington Dulles International Airport, with 69.9% of its services arriving on schedule.
YTZ is about 3 kms (2 miles) from central Toronto. It'll take 10 minutes or so to get to the airport in a car from the city centre. Public transport takes approximately 20 minutes.
Flying out early in the morning? You might like to check in to one of these accommodation options near Billy Bishop Toronto City Airport the day before your Toronto to IAD flight:
When it comes to flight punctuality, Billy Bishop Toronto City Airport has an on-time arrival rate of 70%.

John C. Munro Hamilton International Airport (YHM)

From the centre of Toronto, YHM is around 72 kms (45 miles) away. It'll take you roughly 1 hour 10 minutes to arrive by car and 1 hour 50 minutes or so if you take public transport.
Stay in bed a little longer and still make your Toronto to Washington Dulles International Airport flight with plenty of time to spare. These hotels near John C. Munro Hamilton International Airport make it a breeze to get to the terminal if you're setting off early:
Airports have an on-time performance rating that tracks how often flights reach their destinations within the expected time frame. At YHM, that figure is 68%.

About Washington Dulles International Airport (IAD)

Consider staying in a hotel close to IAD if you're catching a late flight from Toronto to Washington Dulles International Airport. Pick one of these accommodation options and be in bed in no time flat:
To get the lowest price, reserve your vehicle around one week ahead of your Toronto to Washington Dulles International Airport flight.
You'll find IAD at 1 Saarinen Circle.

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

Washington Dulles International Airport is around 40 kms (25 miles) from central Washington DC. It takes around 45 minutes or so to drive to the city.
If you're using public transport, expect a journey of around 1 hour 10 minutes.

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

Currently, £85 is the lowest price we've found for a one-way ticket from Toronto to Washington Dulles International Airport. The cheapest price for a return flight is £142. Keep in mind fares can change due to availability at the time of booking.
Booking early is often the key to scoring a cheap flight from Toronto to IAD. Prices tend to rise as demand increases, so the closer your departure date, the more you'll likely spend on your ticket.
If you can be flexible with your travel plans, try using the 'Whole month' tool. It'll show you the cheapest price across every month when searching for your Toronto to Washington Dulles International Airport ticket.
There's no need to check every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as there's a better deal on plane tickets from Toronto to IAD.
Filters make it easier to dig up a deal for your flight from Toronto to Washington Dulles International Airport. Choose the flight times, carriers and stops that match your plans. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

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

Picture the kind of break you want when planning the timing of your trip. February is the quietest month to visit Washington DC. June is when most people book flights from Toronto to Washington Dulles International Airport (IAD), which may be perfect if you're chasing more excitement.
Lock in a Toronto to IAD plane ticket departing in July if you're eager to visit the city during its warmest month. Expect temperatures in Washington DC to range from 19ºC to 33ºC.
For cooler conditions, search for a cheap ticket from Toronto to Washington Dulles International Airport in January when temperatures are between -6ºC and 10ºC.

More about Washington DC

After booking your flight from Toronto to Washington Dulles International Airport, choose a hotel that puts you where you want to be. Make one of these options your base for exploring Washington DC:
You'll find plenty of terrific things to do in Washington DC when you're in the mood to sightsee. Kick things off at Lincoln Memorial followed by The White House and Smithsonian National Museum of Natural History.

Explore more of the United States

You've visited Washington DC, now it's time to explore more of the United States. Journey around 225 kms (140 miles) northeast to Philadelphia to tick off its top attractions. From Independence Hall to Liberty Bell and Philadelphia Museum of Art, there's plenty to keep you busy.
If you're ready to explore another major destination in the United States, consider Virginia Beach, about 274 kms (170 miles) southeast of Washington DC. Virginia Beach Boardwalk, Resort Beach and Neptune's Park are the start of reasons to visit.