How does KAYAK find such low prices on flights from Ontario to Washington, D.C.?

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, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. 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, D.C.?

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, D.C. 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, D.C.?

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, D.C. from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$120 CHEAP FLIGHTS from Ontario to Washington, D.C.

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Flight Deals

Cheap Flights from Ontario to Washington, D.C.

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 Washington, D.C.

Sat, Feb 6 - Sat, Feb 20

9:10 am - 10:38 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

11:20 am - 12:52 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 32mnonstop

$180Porter Airlines

Sat, Feb 6 - Sat, Feb 20

9:10 am - 10:42 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 32mnonstop

11:20 am - 12:52 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 32mnonstop

$181Porter Airlines

Sat, Dec 5 - Sun, Dec 6

6:40 pm - 8:10 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

9:55 am - 11:22 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mnonstop

$183Air Canada

Sat, Dec 5 - Sun, Dec 6

4:40 pm - 6:18 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 38mnonstop

6:59 am - 8:32 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 33mnonstop

$183Air Canada

Tue, Nov 10 - Fri, Nov 13

9:10 am - 10:39 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mnonstop

6:25 pm - 7:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$188Air Transat

Fri, Nov 13 - Sun, Nov 15

4:15 pm - 5:44 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mnonstop

11:20 am - 12:50 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$188Air Transat

Mon, Nov 23 - Mon, Nov 30

5:13 pm - 7:13 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

2h 00mnonstop

5:20 pm - 9:48 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

4h 28m1 stop Philadelphia

$199American Airlines

Mon, Nov 23 - Mon, Nov 30

5:13 pm - 7:13 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

2h 00mnonstop

5:20 pm - 9:48 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

4h 28m1 stop Philadelphia

$207American Airlines

Tue, Dec 1 - Thu, Dec 31

7:44 pm - 9:26 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mnonstop

10:09 pm - 11:52 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 43mnonstop

$220United Airlines

Mon, Nov 23 - Tue, Dec 1

7:44 pm - 9:26 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mnonstop

5:16 pm - 7:01 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 45mnonstop

$220United Airlines

Recent last minute flight deals from Ontario to Washington, D.C.

Wed, Nov 4 - Wed, Nov 11

9:10 am - 10:39 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mnonstop

11:20 am - 12:50 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$241Porter Airlines

Tue, Nov 3 - Fri, Nov 13

9:10 am - 10:39 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mnonstop

6:25 pm - 7:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$242Porter Airlines

Thu, Nov 5 - Mon, Nov 9

8:20 am - 12:19 pmYTZ Toronto Island-DCA Washington, D.C. Reagan-National

3h 59m1 stop Ottawa

12:55 pm - 6:19 pmDCA Washington, D.C. Reagan-National-YTZ Toronto Island

5h 24m1 stop Ottawa

$261Air Canada

Thu, Nov 5 - Fri, Nov 13

8:05 am - 12:19 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

4h 14m1 stop Ottawa

6:00 am - 10:46 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

4h 46m1 stop Montreal Pierre Elliott Trudeau Intl

$261Air Canada

Tue, Nov 3 - Sat, Nov 14

9:10 am - 10:39 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mnonstop

11:20 am - 12:50 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$268Multiple Airlines

Thu, Nov 5 - Tue, Nov 10

12:44 pm - 2:25 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 41mnonstop

10:16 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 43mnonstop

$296American Airlines

Thu, Nov 5 - Tue, Nov 10

6:10 pm - 11:16 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

5h 06m1 stop Detroit Metropolitan Wayne County

6:00 am - 11:19 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

5h 19m1 stop Detroit Metropolitan Wayne County

$297Delta

Thu, Nov 5 - Wed, Nov 11

5:14 pm - 7:13 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 59mnonstop

1:52 pm - 7:00 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

5h 08m1 stop New York LaGuardia

$299American Airlines

Sat, Oct 31 - Sat, Nov 14

7:44 pm - 9:26 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mnonstop

12:39 pm - 2:25 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 46mnonstop

$326United Airlines

Tue, Nov 3 - Wed, Nov 11

2:45 pm - 4:24 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 39mnonstop

6:10 am - 11:48 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

5h 38m1 stop Newark

$346United Airlines

Recent direct flight deals from Ontario to Washington, D.C.

Sat, Feb 6 - Sat, Feb 20

9:10 am - 10:38 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 28mnonstop

11:20 am - 12:52 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 32mnonstop

$180Porter Airlines

Sat, Feb 6 - Sat, Feb 20

9:10 am - 10:42 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 32mnonstop

11:20 am - 12:52 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 32mnonstop

$181Porter Airlines

Sat, Dec 5 - Sun, Dec 6

4:40 pm - 6:18 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 38mnonstop

6:59 am - 8:32 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 33mnonstop

$183Air Canada

Sat, Dec 5 - Sun, Dec 6

6:40 pm - 8:10 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

9:55 am - 11:22 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mnonstop

$183Air Canada

Thu, Nov 12 - Sat, Nov 14

9:10 am - 10:39 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mnonstop

11:20 am - 12:50 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$188Air Transat

Mon, Nov 23 - Mon, Nov 30

9:10 am - 10:39 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mnonstop

6:25 pm - 7:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$188Air Transat

Tue, Mar 23 - Tue, Mar 30

12:44 pm - 2:44 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

2h 00mnonstop

2:45 pm - 4:34 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 49mnonstop

$215American Airlines

Mon, Nov 23 - Mon, Nov 30

5:13 pm - 7:13 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

2h 00mnonstop

10:13 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 46mnonstop

$216American Airlines

Thu, Nov 26 - Sat, Dec 5

7:44 pm - 9:26 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mnonstop

10:10 pm - 11:52 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 42mnonstop

$220United Airlines

Wed, Nov 18 - Wed, Nov 25

2:45 pm - 4:24 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 39mnonstop

10:10 pm - 11:52 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 42mnonstop

$220United Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$120

Best time to beat the crowds with an average 17% drop in price.

Most popular time to fly and prices are also 12% lower on average.

Flight from Toronto Pearson Airport to Reagan Washington National Airport

KaseyFlew with Air Canada-Jun 2025

Come way early as US customs line up eats up your time

Verified travelerFlew with Air Canada-Dec 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 Airlines-Nov 2024

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

Verified travelerFlew with Air Canada-Aug 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, D.C.?
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, D.C..
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Washington, D.C.?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. 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, D.C.?
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, D.C. 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, D.C.?
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, D.C. from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Linthicum Heights

Hanover

Springfield

Gaithersburg

Towson

Owings Mills

Oxon Hill

Greenbelt

Glen Burnie

Edgewood

Camp Springs

Chesapeake Beach

Ellicott City

Pikesville

Hunt Valley

Capitol Heights

Lutherville Timonium

Colonial Beach

Clinton

Westminster

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$120 Find Cheap Flights from Ontario to Washington, D.C. - Compare and Save

Cheap Flights from Ontario to Washington, D.C.

Recent round-trip flight deals from Ontario to Washington, D.C.

Recent one-way flight deals from Ontario to Washington, D.C.

Recent last minute flight deals from Ontario to Washington, D.C.

Recent direct flight deals from Ontario to Washington, D.C.

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Flights from Ontario to Washington, D.C.: the best tips from KAYAK users

FAQs for booking flights from Ontario to Washington, D.C.

Traveling to a place near Washington, D.C.?

More options for your flight to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car rental

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

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