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>

$98 CHEAP FLIGHTS from Ontario to Washington, D.C.

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

...and more

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41,299,237 searches in the past 7 days on KAYAK

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Cheapest round-trip

$166

Typical prices: $292-$488

Multiple Airlines

Sun 1/25Tue 1/27

YYZ - BWI • 3 stops

Cheapest non-stop

$200

Typical prices: $182-$312

Porter Airlines

Mon 1/12Mon 1/19

YTZ - IAD • Non-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.

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Washington, D.C. 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 Washington, D.C.

Sun, Jan 25 - Tue, Jan 27

12:15 pm - 11:36 pm

YYZ

BWI

35h 21m3 stops

1:00 pm - 11:20 pm

BWI

YYZ

10h 20m1 stop

$166Multiple Airlines

Sun, Jan 25 - Tue, Jan 27

12:15 pm - 11:36 pm

YYZ

BWI

35h 21m3 stops

11:30 am - 11:20 pm

BWI

YYZ

11h 50m2 stops

$191Multiple Airlines

Mon, Jan 12 - Mon, Jan 19

8:50 am - 10:19 am

YTZ

IAD

1h 29mnonstop

11:35 am - 1:09 pm

IAD

YTZ

1h 34mnonstop

$200Porter Airlines

Thu, Jan 8 - Tue, Jan 13

10:59 am - 12:49 pm

YYZ

DCA

1h 50mnonstop

2:48 pm - 4:35 pm

DCA

YYZ

1h 47mnonstop

$201American Airlines

Thu, Jan 29 - Thu, Feb 5

10:30 am - 3:33 pm

YTZ

DCA

5h 03m1 stop

6:00 am - 11:55 am

DCA

YTZ

5h 55m1 stop

$202Air Canada

Thu, Mar 26 - Mon, Mar 30

8:55 am - 10:24 am

YTZ

IAD

1h 29mnonstop

11:40 am - 1:10 pm

IAD

YTZ

1h 30mnonstop

$205Porter Airlines

Thu, Jan 8 - Tue, Jan 13

6:55 pm - 8:26 pm

YYZ

IAD

1h 31mnonstop

9:00 am - 10:29 am

IAD

YYZ

1h 29mnonstop

$205Air Canada

Wed, Jan 14 - Wed, Jan 21

3:40 pm - 11:36 pm

YYZ

BWI

7h 56m1 stop

1:00 pm - 11:20 pm

BWI

YYZ

10h 20m1 stop

$206Multiple Airlines

Mon, Jan 5 - Mon, Jan 12

8:50 am - 10:19 am

YTZ

IAD

1h 29mnonstop

11:35 am - 1:09 pm

IAD

YTZ

1h 34mnonstop

$216Air Transat

Thu, Feb 5 - Tue, Feb 24

5:15 pm - 7:14 pm

YYZ

DCA

1h 59mnonstop

10:02 am - 11:52 am

DCA

YYZ

1h 50mnonstop

$220American Airlines

Useful Info

Low season	January
High season	June
Cheapest flight	$98

Best time to beat the crowds but there is an average 3% increase in price.

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

Flight from Toronto Pearson Airport to Baltimore

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

Ellicott City

Greenbelt

Edgewood

Colonial Beach

Pikesville

Hunt Valley

Lutherville Timonium

Camp Springs

Stevensville

Westminster

Hyattsville

Capitol Heights

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 $463

Business Class flights to Washington, D.C.from $628

Prem Econ Class flights to Washington, D.C.from $687

Economy Class flights to Washington, D.C.from $127

$98 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