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

Compare Toronto Island to Washington Dulles flight deals

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

Book the best Washington Dulles fare with no extra fees

Flight deals from Toronto Island to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Toronto Island to Washington Dulles? Find the lowest prices on one-way and return tickets right here.
Washington D.C..$310 per passenger.Departing Fri, 3 Oct, returning Mon, 6 Oct.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Fri, 3 Oct, arriving in Washington Dulles.Inbound direct flight with Porter Airlines departs from Washington Dulles on Mon, 6 Oct, arriving in Toronto Island.Price includes taxes and charges.From $310, select.
Washington D.C..$314 per passenger.Departing Mon, 8 Sep, returning Mon, 8 Sep.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Mon, 8 Sep, arriving in Washington Dulles.Inbound direct flight with Porter Airlines departs from Washington Dulles on Mon, 8 Sep, arriving in Toronto Island.Price includes taxes and charges.From $314, select.
Washington D.C..$317 per passenger.Departing Fri, 26 Sep, returning Wed, 1 Oct.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Fri, 26 Sep, arriving in Washington Dulles.Inbound direct flight with Porter Airlines departs from Washington Dulles on Wed, 1 Oct, arriving in Toronto Island.Price includes taxes and charges.From $317, select.
Washington D.C..$326 per passenger.Departing Sat, 30 Aug, returning Sat, 6 Sep.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Sat, 30 Aug, arriving in Washington Dulles.Inbound direct flight with Porter Airlines departs from Washington Dulles on Sat, 6 Sep, arriving in Toronto Island.Price includes taxes and charges.From $326, select.
Washington D.C..$530 per passenger.Departing Sat, 11 Oct, returning Sat, 1 Nov.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Sat, 11 Oct, arriving in Washington Dulles.Inbound direct flight with Porter Airlines departs from Washington Dulles on Sat, 1 Nov, arriving in Toronto Island.Price includes taxes and charges.From $530, select.
Washington D.C..$530 per passenger.Departing Fri, 26 Sep, returning Sun, 11 Jan.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Fri, 26 Sep, arriving in Washington Dulles.Inbound direct flight with Porter Airlines departs from Washington Dulles on Sun, 11 Jan, arriving in Toronto Island.Price includes taxes and charges.From $530, select.
Washington D.C..$530 per passenger.Departing Sat, 27 Sep, returning Sat, 29 Nov.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Sat, 27 Sep, arriving in Washington Dulles.Inbound direct flight with Porter Airlines departs from Washington Dulles on Sat, 29 Nov, arriving in Toronto Island.Price includes taxes and charges.From $530, select.
Washington D.C..$531 per passenger.Departing Thu, 11 Sep, returning Wed, 10 Dec.Return flight with Porter Airlines.Outbound direct flight with Porter Airlines departs from Toronto Island on Thu, 11 Sep, arriving in Washington Dulles.Inbound direct flight with Porter Airlines departs from Washington Dulles on Wed, 10 Dec, arriving in Toronto Island.Price includes taxes and charges.From $531, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Toronto Island to Washington Dulles flights are currently cheapest in October.
Aug
from $843
Sep
from $314
Oct
from $310
Nov
from $693
Dec
from $693
Jan
from $694
Feb
from $693
Mar
from $693
Apr
from $776
May
from $693
Jun
from $694
Jul
Find prices

Direct flights from Toronto Island to Washington Dulles

Toronto Island to Washington Dulles: Alternative routes

Compare routes from Toronto Island 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$310
Cheapest month to flyOctober
Average flight time1 hr, 31 mins
Most popular airlinePorter Airlines
Average flights per week38

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

The best price we found for a return flight from Toronto Island to Washington Dulles is $310. 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.
1 hour and 31 minutes is the average flight time from Toronto Island to Washington Dulles.
Porter Airlines, Porter Airlines Inc and Air Transat fly direct from Toronto Island to Washington Dulles.
As of August 2025, there are 38 flights per week flying from Toronto Island to Washington Dulles.
The cheapest month to fly from Toronto Island to Washington Dulles is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Toronto Island Airport to Washington Dulles Airport on Friday, 3 October 2025.
Yes – the average flight time is 1 hour and 31 minutes.
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.
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.
Currently, Porter Airlines offers the cheapest flight tickets to Washington Dulles.

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

  • The average length of a direct flight from Billy Bishop Toronto City Airport to Washington Dulles International Airport is 1 hour 30 minutes.

  • Toronto and Washington DC share the UTC-4 timezone. That means you won't have to adjust your watch after you land.

  • Each week, there are 19 Billy Bishop Toronto City Airport to Washington Dulles International Airport flights. If you prefer to jet off as early as possible, jump on the 09:15 Porter Airlines flight. If you'd rather make the most of your time before flying, the last flight is at 15:35 with Porter Airlines.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your YTZ to IAD flight.

  • During popular months such as July, it's best to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead of international flights whenever you're travelling during a high season in general.

  • Porter Airlines is your gateway to exploring Washington DC (and maybe even some other great corners of United States!). Browse the direct flights from Billy Bishop Toronto City Airport to Washington Dulles International Airport offered by this airline.

  • Most passengers choose to travel with Porter Airlines on this route.

  • Porter Airlines is the most punctual carrier that offers YTZ to IAD flights.

How to find the cheapest flights from Billy Bishop Toronto City Airport (YTZ) to Washington Dulles International Airport (IAD)

  • $175 is currently the best price for a one-way Billy Bishop Toronto City Airport to Washington Dulles International Airport flight. Return flights start from $310. These prices may change depending on demand.

  • Book seven months before your departure date. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from YTZ to IAD.

  • The cheapest month for flights from Billy Bishop Toronto City Airport to Washington Dulles International Airport is June. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.

  • Snapping up cheap flights from YTZ to IAD is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as a new discounted fare appears.

  • Discover the ideal flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Billy Bishop Toronto City Airport to Washington Dulles International Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Billy Bishop Toronto City Airport (YTZ)

  • Of all flights leaving Billy Bishop Toronto City Airport, 62.09% arrive as scheduled at their destination.

  • Central Toronto to Billy Bishop Toronto City Airport is around 3 kilometres. Depending on traffic, it'll take you about 35 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Taking public transport? Expect a journey time of around 40 minutes.

  • Have an early flight from Billy Bishop Toronto City Airport to Washington Dulles International Airport? Avoid the hassle of rushing to the airport (and sneak in some extra snooze time) by choosing one of these hotels close to YTZ:

Arriving at Washington Dulles International Airport (IAD)

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

  • You'll find IAD at 1 Saarinen Circle.

  • From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 50 minutes to reach the centre by car.

  • Travelling to the centre on public transport takes about 3 hours 25 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • The quietest month for a flight from Billy Bishop Toronto City Airport to Washington Dulles International Airport is January, while April is the most popular. Pick the best time to go to Washington DC based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). Book your flights from Billy Bishop Toronto City Airport to Washington Dulles International Airport in this month if this is the type of weather you like.

  • January sees average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Search for cheap tickets from YTZ to IAD sometime then if you like cooler conditions.

Explore more of United States

  • You've visited Washington DC, now it's time to discover other corners of United States. Journey around 322 kilometres north-east to New York to tick off its leading attractions. From Statue of Liberty to Central Park and Empire State Building, there's plenty to keep you busy.

  • If you want to check out another major stop in United States, head for Philadelphia, about 193 kilometres north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are key highlights.

Plan the rest of your trip from Toronto to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.