Flights from Washington, D.C. to Ontario

Q: What's the average Washington, D.C. to Ontario flight price?

We looked at all of the upcoming round-trip flights from Washington, D.C. to Ontario we could find over the next 12 months. It looks like $225 is the best price. This is good, compared to the average Ontario ticket price of $603.

Q: What is the cheapest month to fly from Washington, D.C. to Ontario?

The cheapest month to fly from Washington, D.C. to Sudbury Airport is usually June . The cheapest month to fly from Washington, D.C. to North Bay Airport is usually May . The cheapest month to fly from Washington, D.C. to London Airport is usually May . And the cheapest month to fly from Washington, D.C. to Windsor Airport is usually May .

Q: On which upcoming date is it cheapest to fly from Washington, D.C. to Ontario?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington, D.C. to Ontario on Sunday, May 25, 2025 .

Q: Are there any direct flights from Washington, D.C. to Ontario?

Washington Dulles Airport and Washington Ronald Reagan Airport all offer direct flights to Ontario.

Q: If I'm flying from Washington, D.C., where in Ontario is cheapest to fly to?

If you're flying from Washington, D.C., the cheapest city in Ontario to fly into is Toronto. The cheapest airport serving Toronto at the moment is Toronto Island.

Q: How long is the flight from Washington, D.C. to Ontario?

The average flight time between Washington, D.C. and Ontario is 1 hour and 36 minutes.

Flight deals from Washington, D.C. to Ontario

Looking for cheap flights from Washington, D.C. to Ontario, or a last-minute trip? Find the lowest prices on one-way and round-trip flights right here.

Toronto.$225 per passenger.Departing Sun, May 25, returning Thu, May 29.Round-trip flight with Porter Airlines (Canada) Ltd and Air Canada.Outbound indirect flight with Porter Airlines (Canada) Ltd, departing from Washington Dulles on Sun, May 25, arriving in Toronto Island.Inbound indirect flight with Air Canada, departing from Toronto Island on Thu, May 29, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $225, select.

Ottawa.$425 per passenger.Departing Sun, May 4, returning Sun, May 11.Round-trip flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departing from Washington Dulles on Sun, May 4, arriving in Ottawa International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departing from Ottawa International on Sun, May 11, arriving in Washington Dulles.Price includes taxes and charges.From $425, select.

Thunder Bay.$546 per passenger.Departing Sun, Jun 1, returning Sat, Jun 7.Round-trip flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departing from Washington Dulles on Sun, Jun 1, arriving in Thunder Bay.Inbound indirect flight with Porter Airlines (Canada) Ltd, departing from Thunder Bay on Sat, Jun 7, arriving in Washington Dulles.Price includes taxes and charges.From $546, select.

Windsor.$679 per passenger.Departing Wed, May 28, returning Thu, May 29.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Washington Dulles on Wed, May 28, arriving in Windsor.Inbound indirect flight with Air Canada, departing from Windsor on Thu, May 29, arriving in Washington Dulles.Price includes taxes and charges.From $679, select.

Sudbury.$685 per passenger.Departing Tue, Jun 10, returning Sun, Jun 15.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Washington Ronald Reagan on Tue, Jun 10, arriving in Sudbury.Inbound indirect flight with Air Canada, departing from Sudbury on Sun, Jun 15, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $685, select.

London.$1,090 per passenger.Departing Fri, May 23, returning Tue, May 27.Round-trip flight with United.Outbound indirect flight with United, departing from Washington Ronald Reagan on Fri, May 23, arriving in London.Inbound indirect flight with United, departing from London on Tue, May 27, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,090, select.

North Bay.$1,183 per passenger.Departing Wed, May 28, returning Sat, May 31.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Washington Dulles on Wed, May 28, arriving in North Bay.Inbound indirect flight with Air Canada, departing from North Bay on Sat, May 31, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,183, select.

Flying from Washington, D.C. to Ontario

Arm yourself with these facts on the fly.

Cheapest flight found	$86, Toronto
Cheapest month to fly	October
Average flight time	1 hr, 36 mins
Cheapest airport to fly from	Washington Dulles
Most popular airline	United

How to find cheap flights from Washington, D.C. to Ontario

We've compared the best online travel agents and flight providers on the Internet to find the cheapest plane tickets from Washington, D.C. to Ontario. Other savvy travelers recently found round-trip flights from $225 and one-way tickets from $86. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Washington Dulles into Toronto

At the moment, the lowest-priced flight tickets to Ontario are from Washington Dulles Airport to Toronto Island Airport.

Fly in October

We crunched the flight calendar and found the cheapest time to fly from Washington, D.C. to Ontario is currently October.

Fly on a Thursday

From our data, we can see that Thursday seems to be the cheapest time to fly from Washington, D.C. to Ontario.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Washington, D.C. to anywhere you choose in Ontario.