How does KAYAK find such low prices on flights from Ontario to Washington Dulles Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Washington Dulles Airport. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Washington Dulles Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Ontario is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Ontario to Washington Dulles Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Ontario with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Washington Dulles Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$126 CHEAP FLIGHTS from Ontario to Washington Dulles (IAD)

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Cheap Flights from Ontario to Dulles Intl

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Ontario to Dulles Intl

Fri, Dec 5 - Mon, Dec 8

3:45 pm - 5:14 pmYTZ-IAD

1h 29mnonstop

11:40 am - 1:10 pmIAD-YTZ

1h 30mnonstop

$188Porter Airlines

Find Deal

Fri, Nov 28 - Fri, Dec 5

3:45 pm - 5:14 pmYTZ-IAD

1h 29mnonstop

6:30 pm - 8:00 pmIAD-YTZ

1h 30mnonstop

$189Porter Airlines

Find Deal

Mon, Jan 5 - Thu, Jan 8

7:10 am - 9:03 pmYYZ-IAD

13h 53m1 stop

3:33 pm - 2:20 pmIAD-YYZ

22h 47m1 stop

$202Multiple Airlines

Find Deal

Fri, Jan 16 - Sun, Jan 18

2:45 pm - 4:30 pmYYZ-IAD

1h 45mnonstop

9:00 am - 10:28 amIAD-YYZ

1h 28mnonstop

$217Multiple Airlines

Find Deal

Fri, Jan 16 - Tue, Jan 20

2:20 pm - 3:54 pmYYZ-IAD

1h 34mnonstop

4:30 pm - 5:58 pmIAD-YYZ

1h 28mnonstop

$219Air Canada

Find Deal

Thu, Dec 4 - Sun, Dec 7

5:30 pm - 9:22 pmYYZ-IAD

3h 52m1 stop

9:00 am - 10:29 amIAD-YYZ

1h 29mnonstop

$224Air Canada

Find Deal

Fri, Jan 16 - Tue, Jan 20

2:45 pm - 4:30 pmYYZ-IAD

1h 45mnonstop

8:29 am - 1:43 pmIAD-YYZ

5h 14m1 stop

$227United Airlines

Find Deal

Thu, Nov 20 - Mon, Nov 24

7:40 pm - 9:20 pmYYZ-IAD

1h 40mnonstop

8:45 am - 1:43 pmIAD-YYZ

4h 58m1 stop

$228United Airlines

Find Deal

Sat, Feb 21 - Sat, Feb 28

11:00 am - 12:29 pmYTZ-IAD

1h 29mnonstop

1:45 pm - 3:15 pmIAD-YTZ

1h 30mnonstop

$240Air Transat

Find Deal

Sat, Nov 22 - Sun, Nov 23

11:00 am - 12:29 pmYTZ-IAD

1h 29mnonstop

6:30 pm - 8:00 pmIAD-YTZ

1h 30mnonstop

$241Air Transat

Find Deal

Cheapest round-trip

$188

Overall average: $314

Porter Airlines

Fri 12/5Mon 12/8

YTZ - IAD • Non-stop

Cheapest one-way

$126

Typical prices: $119-$150

Air Transat

Sat 11/22

YTZ - IAD • Non-stop

Start a new search

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We hope you love your trip to Dulles Intl!

Useful Info

Low season	September
High season	October
Cheapest flight	$126

Best time to beat the crowds but there is an average 12% increase in price.

Most popular time to fly with an average 27% increase in price.

Flight from Toronto Island to Washington, D.C.

Verified travelerFlew with Air CanadaYYZ-IADDec 2024

Get on a regional sized (smaller than Boeing 737 or Airbus A320) jet if you can, they are older and have more legroom than newer aircraft.

Verified travelerFlew with United AirlinesYYZ-IADNov 2024

Do not carry bigger the specified sized bags for cabin baggage. Only one carry on ba

Verified travelerFlew with Air CanadaYYZ-IADAug 2024

Check the departure board carefully when you get to the airport.

How does KAYAK find such low prices on flights from Ontario to Washington Dulles Airport?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Washington Dulles Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Washington Dulles Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to Washington Dulles Airport?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Ontario with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Washington Dulles Airport?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Winchester

Linthicum Heights

Hanover

Springfield

Gaithersburg

Towson

Martinsburg

Owings Mills

Oxon Hill

Charles Town

Glen Burnie

Ellicott City

Greenbelt

Colonial Beach

Edgewood

Pikesville

Lutherville Timonium

Hunt Valley

Stevensville

Hyattsville

Everything you need to know for your flight to Dulles Intl

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Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

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Return flight deals

Information on your arrival and departure airports

Washington Dulles Airport (IAD)

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$126 Find Cheap Flights from Ontario to Washington Dulles Airport

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

Cheap Flights from Ontario to Dulles Intl

Recent round-trip flight deals from Ontario to Dulles Intl

Recent one-way flight deals from Ontario to Dulles Intl

Recent last minute flight deals from Ontario to Dulles Intl

Recent direct flight deals from Ontario to Dulles Intl

Everything you should know

Good to know

Flights from Ontario to Dulles Intl: the best tips from KAYAK users

FAQs for booking Ontario to Washington Dulles Airport flights

How does KAYAK find such low prices on flights from Ontario to Washington Dulles Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Washington Dulles Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Washington Dulles Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to Washington Dulles Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Ontario with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Washington Dulles Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Dulles Intl?

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Cabin class types available on flights to Dulles Intl

Complete your trip to Dulles Intl with a hotel stay or car rental

Find direct flights for Dulles Intl

Flights to other popular destinations

Flights from domestic origins to Ontario

Choose which airport to fly into in Washington, D.C.

Find deals for your return flight