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.. 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, 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. Visit our flight page for the latest deals!>/a>

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. 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, 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. Visit our flight page for the latest deals!>/a>

$123 CHEAP FLIGHTS from Ontario to Washington, D.C.

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

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Cheapest round-trip

$197

Overall average: $216

Porter Airlines

Fri 4/10Sun 4/12

YTZ - IAD • Non-stop

Cheapest one-way

$123

Typical prices: $153-$283

Air Canada

Mon 2/23

YYZ - DCA • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Washington, D.C.!

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.

Fri, Apr 10 - Sun, Apr 12

8:55 am - 10:24 am

YTZ

IAD

1h 29mnonstop

6:30 pm - 8:00 pm

IAD

YTZ

1h 30mnonstop

$197Porter Airlines

Tue, Mar 10 - Tue, Mar 17

8:15 am - 12:19 pm

YYZ

DCA

4h 04m

1 stop

6:59 am - 8:35 am

DCA

YYZ

1h 36mnonstop

$200Air Canada

Sat, Feb 14 - Sun, Feb 15

11:05 am - 12:34 pm

YTZ

IAD

1h 29mnonstop

6:30 pm - 8:00 pm

IAD

YTZ

1h 30mnonstop

$201Porter Airlines

Thu, Feb 19 - Sun, Feb 22

7:10 am - 12:19 pm

YYZ

DCA

5h 09m

1 stop

6:00 am - 11:40 am

DCA

YYZ

5h 40m

1 stop

$203Air Canada

Mon, Mar 2 - Fri, Mar 6

8:55 am - 10:24 am

YTZ

IAD

1h 29mnonstop

6:30 pm - 8:00 pm

IAD

YTZ

1h 30mnonstop

$203Porter Airlines

Thu, May 14 - Sat, May 16

12:45 pm - 2:24 pm

YYZ

IAD

1h 39mnonstop

8:19 am - 10:04 am

IAD

YYZ

1h 45mnonstop

$240United Airlines

Thu, May 14 - Sat, May 16

12:45 pm - 2:24 pm

YYZ

IAD

1h 39mnonstop

3:15 pm - 8:44 pm

IAD

YYZ

5h 29m

1 stop

$249United Airlines

Sat, Feb 14 - Sun, Feb 15

7:40 pm - 9:21 pm

YYZ

IAD

1h 41mnonstop

8:15 am - 2:01 pm

IAD

YYZ

5h 46m

1 stop

$251Lufthansa

Sat, Feb 14 - Sun, Feb 15

7:40 pm - 9:21 pm

YYZ

IAD

1h 41mnonstop

12:33 pm - 2:14 pm

IAD

YYZ

1h 41mnonstop

$256Lufthansa

Thu, Mar 26 - Mon, Mar 30

9:20 am - 6:18 pm

YUL

DCA

8h 58m

2 stops

1:55 pm - 6:35 pm

DCA

YUL

4h 40m

1 stop

$278Delta

Useful Info

Low season	January
High season	June
Cheapest flight	$123

Best time to beat the crowds but there is an average 7% increase in price.

Most popular time to fly with an average 8% increase in price.

Flight from Toronto Pearson Airport to Reagan Washington National Airport

KaseyFlew with Air Canada

YYZ

IAD

Jun 2025

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

Verified travelerFlew with Air Canada

YYZ

IAD

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

YYZ

IAD

Nov 2024

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

Verified travelerFlew with Air Canada

YYZ

IAD

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

Glen Burnie

Greenbelt

Ellicott City

Edgewood

Colonial Beach

Pikesville

Lutherville Timonium

Hunt Valley

Camp Springs

Stevensville

Westminster

Hyattsville

Chesapeake Beach

Everything you need to know for your flight to Washington, D.C.

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Ontario

First Class flights to Washington, D.C.from $359

Business Class flights to Washington, D.C.from $366

Premium Economy Class flights to Washington, D.C.from $687

Economy Class flights to Washington, D.C.from $116

$123 Find Cheap Flights from Ontario to Washington, D.C.

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

Everything you should know

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.

Good to know

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

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

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.

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

Everything you need to know for your flight to Washington, D.C.

Cabin class types available on flights to Ontario

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

Find direct flights for Washington, D.C.

Flights to other popular destinations

Flights from domestic origins to Washington, D.C.

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

Find deals for your return flight