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.

$119 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, Dec 5 - Sun, Dec 6

3:20 pm - 4:47 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 27mnonstop

5:20 pm - 6:57 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 37mnonstop

$179Air Canada

Tue, Oct 27 - Fri, Oct 30

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

$180Air Canada

Thu, Oct 29 - Sun, Nov 1

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

1h 28mnonstop

6:25 pm - 7:59 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 34mnonstop

$180Porter Airlines

Tue, Sep 29 - Fri, Oct 2

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$180Porter Airlines

Fri, Nov 27 - Thu, Dec 3

12:42 pm - 2:25 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mnonstop

2:40 pm - 4:34 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 54mnonstop

$190American Airlines

Sat, Dec 5 - Sun, Dec 6

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

1h 59mnonstop

10:12 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 47mnonstop

$190American Airlines

Tue, Oct 6 - Wed, Oct 7

5:15 pm - 10:52 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

5h 37m1 stop Chicago O'Hare Intl

8:28 am - 10:04 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 36mnonstop

$214United Airlines

Tue, Oct 6 - Wed, Oct 7

5:15 pm - 10:52 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

5h 37m1 stop Chicago O'Hare Intl

8:28 am - 10:04 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 36mnonstop

$215United Airlines

Mon, Dec 7 - Tue, Dec 8

12:17 pm - 4:18 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

4h 01m1 stop Detroit Metropolitan Wayne County

6:20 pm - 10:54 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

4h 34m1 stop New York John F Kennedy Intl

$215Delta

Tue, Oct 13 - Thu, Nov 12

9:40 am - 4:28 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

6h 48m1 stop Detroit Metropolitan Wayne County

6:00 am - 1:30 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

7h 30m1 stop Detroit Metropolitan Wayne County

$220Delta

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

Wed, Sep 16 - Wed, Sep 23

1:55 pm - 3:25 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

9:55 am - 11:20 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 25mnonstop

$228Air Canada

Wed, Sep 16 - Wed, Sep 23

7:20 am - 8:55 amYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 35mnonstop

6:59 am - 8:35 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 36mnonstop

$228Air Canada

Sun, Sep 20 - Sun, Sep 27

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$250Porter Airlines

Sun, Sep 20 - Sun, Sep 27

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$251Porter Airlines

Sun, Sep 20 - Sun, Sep 27

4:05 pm - 11:14 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

7h 09m1 stop Detroit Metropolitan Wayne County

6:10 am - 1:34 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

7h 24m1 stop Detroit Metropolitan Wayne County

$292Delta

Sat, Sep 19 - Sat, Sep 26

12:08 pm - 5:29 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

5h 21m1 stop Detroit Metropolitan Wayne County

6:26 pm - 10:59 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

4h 33m1 stop Detroit Metropolitan Wayne County

$292Delta

Tue, Sep 15 - Tue, Oct 6

2:30 pm - 4:07 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

9:55 am - 11:20 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 25mnonstop

$309Multiple Airlines

Sat, Sep 19 - Sun, Sep 20

11:02 am - 12:44 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 42mnonstop

10:15 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 44mnonstop

$328American Airlines

Fri, Sep 18 - Sun, Sep 20

2:18 pm - 4:04 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 46mnonstop

10:15 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 44mnonstop

$330American Airlines

Sat, Sep 19 - Wed, Sep 30

6:30 am - 1:00 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

30h 30m1 stop Fort Lauderdale

1:55 pm - 2:05 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

24h 10m1 stop Fort Lauderdale

$394Multiple Airlines

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

Sat, Dec 5 - Sun, Dec 6

3:20 pm - 4:47 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 27mnonstop

5:20 pm - 6:57 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 37mnonstop

$179Air Canada

Thu, Oct 29 - Sun, Nov 1

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

1h 28mnonstop

6:25 pm - 7:59 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 34mnonstop

$180Porter Airlines

Thu, Oct 29 - Sun, Nov 1

6:20 pm - 7:58 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

$180Air Canada

Tue, Sep 29 - Fri, Oct 2

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

$180Porter Airlines

Sat, Dec 5 - Sun, Dec 6

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

1h 59mnonstop

10:12 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 47mnonstop

$190American Airlines

Fri, Nov 27 - Thu, Dec 3

12:42 pm - 2:25 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mnonstop

2:40 pm - 4:34 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 54mnonstop

$190American Airlines

Wed, Oct 14 - Sat, Nov 14

2:30 pm - 4:07 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

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

1h 27mnonstop

$235Multiple Airlines

Sat, Oct 3 - Sun, Oct 11

9:44 am - 11:21 amYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

9:55 am - 11:20 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 25mnonstop

$240Multiple Airlines

Tue, Sep 29 - Tue, Sep 29

12:45 pm - 2:22 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

5:17 pm - 7:02 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 45mnonstop

$280United Airlines

Wed, Oct 7 - Wed, Oct 7

12:45 pm - 2:22 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

10:19 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 35mnonstop

$280United Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$119

Best time to beat the crowds with an average 11% drop in price.

Most popular time to fly and prices are also 14% 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

Oxon Hill

Owings Mills

Greenbelt

Glen Burnie

Edgewood

Chesapeake Beach

Camp Springs

Ellicott City

Pikesville

Hunt Valley

Colonial Beach

Lutherville Timonium

Capitol Heights

Westminster

Stevensville

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$119 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.

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

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