What airlines fly to Region of Ontario?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Region of Ontario from Washington, D.C. according to our data. Air Canada is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 7 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

How many flights depart from Washington, D.C. to Region of Ontario on average per day?

As of January 2026, there are 54 flights per day flying from Washington, D.C. to Region of Ontario. The most common time of day flights depart is 12:00PM, with 50% of flights taking off in the afternoon.

What is the cheapest airline that flies from Washington, D.C. to Ontario?

Porter Airlines, Air Canada, and Air Transat are the most popular carriers operating from Washington, D.C. to Ontario

How many flights depart from Washington, D.C. to Region of Ontario on average per week?

380 flights are operational weekly from Washington, D.C. to Region of Ontario as of January 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

How long is the flight from Washington, D.C. to Region of Ontario?

Average flight duration from Washington, D.C. to Region of Ontario depends on which airport you fly into and out of. Flying from Washington, D.C. to Toronto Pearson Intl Airport is 1h 22m on average, while flying from Baltimore to Toronto Pearson Intl Airport is 3h 50m on average. Toronto Pearson Intl Airport is the most popular airport in Region of Ontario.

When did momondo last update prices for flights from Washington, D.C. to Ontario?

Prices for flights from Washington, D.C. to Ontario refresh daily.

How many operators does momondo search for flights from Washington, D.C. to Ontario?

As of January 2026, there are 7 operators available to choose from for flights from Washington, D.C. to Ontario.

How old do you have to be to fly from Washington, D.C. to Ontario?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Ontario.

What documentation or ID do you need to fly to Ontario?

The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$65 Cheap Flights from Washington, D.C. to Ontario in 2026

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Find the cheapest flights from Washington, D.C. to Ontario

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:40 am - 11:17 am

DCA

YYZ

1h 37mnonstop

7:20 am - 8:55 am

YYZ

DCA

1h 35mnonstop

$182Air Canada

Fri, Feb 6 - Sun, Feb 8

9:40 am - 11:17 am

DCA

YYZ

1h 37mnonstop

8:15 am - 12:19 pm

YYZ

DCA

4h 04m

1 stop

$184Air Canada

Fri, Feb 6 - Sun, Feb 8

11:05 am - 4:40 pm

DCA

YYZ

5h 35m

1 stop

7:10 am - 12:19 pm

YYZ

DCA

5h 09m

1 stop

$193Air Canada

Fri, Feb 6 - Sun, Feb 8

4:30 pm - 6:03 pm

IAD

YYZ

1h 33mnonstop

2:15 pm - 3:46 pm

YYZ

IAD

1h 31mnonstop

$195Air Canada

Mon, Mar 2 - Mon, Mar 9

8:40 pm - 10:12 pm

DCA

YYZ

1h 32mnonstop

7:10 am - 12:01 pm

YYZ

DCA

4h 51m

1 stop

$197Air Canada

Fri, Apr 17 - Sun, Apr 19

6:59 am - 8:33 am

DCA

YYZ

1h 34mnonstop

7:20 am - 8:53 am

YYZ

DCA

1h 33mnonstop

$198Air Canada

Fri, Apr 17 - Sun, Apr 19

11:40 am - 1:10 pm

IAD

YTZ

1h 30mnonstop

3:45 pm - 5:14 pm

YTZ

IAD

1h 29mnonstop

$199Porter Airlines

Thu, Mar 5 - Sun, Mar 8

1:50 pm - 3:20 pm

IAD

YTZ

1h 30mnonstop

11:05 am - 12:34 pm

YTZ

IAD

1h 29mnonstop

$201Porter Airlines

Sat, Feb 14 - Sat, Feb 21

11:40 am - 1:10 pm

IAD

YTZ

1h 30mnonstop

11:05 am - 12:34 pm

YTZ

IAD

1h 29mnonstop

$204Porter Airlines

Wed, Feb 11 - Sat, Feb 14

8:25 pm - 2:20 pm

BWI

YYZ

17h 55m

1 stop

3:40 pm - 11:31 pm

YYZ

BWI

7h 51m

1 stop

$215Multiple Airlines

Wed, Feb 25 - Tue, Mar 3

American Airlines flights from Washington, D.C. to Region of Ontario

Our best American Airlines deals on Washington, D.C. to Region of Ontario flight tickets

American Airlines

Feb 26

DCA8:39 amWashington, D.C. Reagan-National

4h 21m

1 stop

YYZ1:00 pmToronto Pearson Intl

Mar 1

YYZ10:59 amToronto Pearson Intl

1h 41m

DCA12:40 pmWashington, D.C. Reagan-National

$268

American Airlines

Feb 13

DCA6:09 amWashington, D.C. Reagan-National

8h 51m

1 stop

YYZ3:00 pmToronto Pearson Intl

Feb 15

YYZ10:59 amToronto Pearson Intl

1h 41m

DCA12:40 pmWashington, D.C. Reagan-National

$287

American Airlines

Jan 28

DCA2:08 pmWashington, D.C. Reagan-National

7h 36m

1 stop

YYZ9:44 pmToronto Pearson Intl

Feb 2

YYZ5:15 pmToronto Pearson Intl

1h 59m

DCA7:14 pmWashington, D.C. Reagan-National

$484

United Airlines flights from Washington, D.C. to Region of Ontario

Our best United Airlines deals on Washington, D.C. to Region of Ontario flight tickets

United Airlines

Apr 17

IAD6:15 amWashington, D.C. Dulles Intl

5h 34m

1 stop

YYZ11:49 amToronto Pearson Intl

Apr 17

YYZ2:30 pmToronto Pearson Intl

1h 39m

IAD4:09 pmWashington, D.C. Dulles Intl

$274

United Airlines

Feb 14

IAD12:33 pmWashington, D.C. Dulles Intl

1h 41m

YYZ2:14 pmToronto Pearson Intl

Feb 18

YYZ2:45 pmToronto Pearson Intl

1h 43m

IAD4:28 pmWashington, D.C. Dulles Intl

$288

United Airlines

Feb 18

IAD6:00 amWashington, D.C. Dulles Intl

5h 48m

1 stop

YYZ11:48 amToronto Pearson Intl

Feb 18

YYZ3:30 pmToronto Pearson Intl

5h 48m

1 stop

IAD9:18 pmWashington, D.C. Dulles Intl

$289

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 2/6

9:40 am-11:17 am

Nonstop1h 37m

Toronto Pearson Intl

Sun 2/8

7:20 am-8:55 am

Nonstop1h 35m

$182

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 2/6

9:40 am-11:17 am

Nonstop1h 37m

Toronto Pearson Intl

Sun 2/8

8:15 am-12:19 pm

1 stop4h 04m

$184

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 2/6

11:05 am-4:40 pm

1 stop5h 35m

Toronto Pearson Intl

Sun 2/8

7:10 am-12:19 pm

1 stop5h 09m

$193

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Mon 3/2

4:30 pm-6:03 pm

Nonstop1h 33m

Toronto Pearson Intl

Mon 3/9

2:15 pm-3:46 pm

Nonstop1h 31m

$195

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 4/17

8:40 pm-10:12 pm

Nonstop1h 32m

Toronto Pearson Intl

Sun 4/19

7:10 am-12:01 pm

1 stop4h 51m

$197

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 4/17

6:59 am-8:33 am

Nonstop1h 34m

Toronto Pearson Intl

Sun 4/19

7:20 am-8:53 am

Nonstop1h 33m

$198

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 3/5

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Sun 3/8

3:45 pm-5:14 pm

Nonstop1h 29m

$199

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 2/14

1:50 pm-3:20 pm

Nonstop1h 30m

Toronto Island

Sat 2/21

11:05 am-12:34 pm

Nonstop1h 29m

$201

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 2/11

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Sat 2/14

11:05 am-12:34 pm

Nonstop1h 29m

$204

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 2/25

8:25 pm-2:20 pm

1 stop17h 55m

Toronto Pearson Intl

Tue 3/3

3:40 pm-11:31 pm

1 stop7h 51m

$215

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How to get the cheapest flight ticket from Washington, D.C. to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

The month of June is, on average, the cheapest month to fly to Region of Ontario from Washington, D.C., with most prices found around $218. If you aren’t able to travel during the month of June, then book flights to Region of Ontario from Washington, D.C. during September instead. Flights to Region of Ontario in September, while not as cheap as those in June, still average around $262.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Friday is the cheapest day to fly to Region of Ontario from Washington, D.C.. The lowest ticket price found for a Friday departure recently was $338. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Washington, D.C. to Region of Ontario on a Sunday will generally be more expensive and average around $508. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the afternoon. momondo users have found flights departing from Washington, D.C. to Region of Ontario in the afternoon for as low as $328. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $616.

What is the cheapest Washington, D.C. to Ontario flight route?

Fly from Washington, D.C. Dulles Intl to Toronto Pearson Intl for the best Washington, D.C. - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $334 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Washington, D.C. for as low as $269 on momondo.

What cabin class options are available on Washington, D.C. to Ontario flights?

There are 4 cabin classes available to choose from on Washington, D.C. to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. to Region of Ontario flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Region of Ontario.

Cheap Washington, D.C. to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Region of Ontario

Best Price Found	$112
Fastest flight time	1h 18m
Direct flights	Every day
Airports in Region of Ontario	123 airports

The best one-way flight to Region of Ontario from Washington, D.C. in the past 72 hours is $112. The best round-trip flight deal from Washington, D.C. to Region of Ontario found on momondo in the last 72 hours is $215.

The fastest flight from Washington, D.C. to Region of Ontario takes 1h 18m

Direct flights go from Washington, D.C. to Region of Ontario every day.

There are 123 airports in Region of Ontario. From Washington, D.C. there are direct flights to Toronto Pearson Intl (YYZ), Toronto Island (YTZ).

Search flight deals

When did momondo last update prices for flights from Washington, D.C. to Ontario?
Prices for flights from Washington, D.C. to Ontario refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Ontario?
As of January 2026, there are 7 operators available to choose from for flights from Washington, D.C. to Ontario.
How old do you have to be to fly from Washington, D.C. to Ontario?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Ontario.
What documentation or ID do you need to fly to Ontario?
The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Washington, D.C. to Region of Ontario?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. to Region of Ontario is De Havilland (Bombardier) DHC-8-400 Dash 8Q (23.54% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (17.74%), Canadair (Bombardier) Regional Jet 900 (16.53%), and Embraer 175 (12.02%).

Best airlines flying from Washington, D.C. to Region of Ontario

Compare and see reviews for airlines that fly from Washington, D.C. to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
Porter Airlines	PriceFrom $54	Free Cancellation	Rating 7.9 410 reviews	Search Porter Airlines flights
United Airlines	PriceFrom $108	Free Cancellation	Rating 7.4 9,176 reviews	Search United Airlines flights
Air Canada	PriceFrom $121	Free Cancellation	Rating 7.1 10,635 reviews	Search Air Canada flights
Air Transat	PriceFrom $176	Free Cancellation	Rating 7.7 497 reviews	Search Air Transat flights
Delta	PriceFrom $182	Free Cancellation	Rating 7.9 8,075 reviews	Search Delta flights
American Airlines	PriceFrom $261	Free Cancellation	Rating 7.2 11,158 reviews	Search American Airlines flights
WestJet	PriceFrom $349	Free Cancellation	Rating 7.2 3,245 reviews	Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Ontario with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Popular cities in Ontario

Flights to Torontofrom $97

Flights to Vancouverfrom $79

Flights to Montrealfrom $170

Flights to Calgaryfrom $143

Flights to Ottawafrom $204

Flights to Halifaxfrom $217

Flights to Winnipegfrom $136

Flights to Québec Cityfrom $234

Flights to Saskatoonfrom $163

Flights to Kelownafrom $161

Flights to St. John'sfrom $300

Flights to Reginafrom $208

Washington, D.C. flight routes

Flights from Baltimore/Washington to Wilmington New Hanover County

Flights from Washington, D.C. Dulles Intl to Miami

Flights from Baltimore/Washington to Chicago O'Hare Intl

Flights from Baltimore/Washington to Orlando

Flights from Washington, D.C. Dulles Intl to Orlando

Flights from Washington, D.C. Reagan-National to Denver Intl

Cheap flights from Washington, D.C. to Ontario from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Ontario departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Washington, D.C. to Region of Ontario

Our best American Airlines deals on Washington, D.C. to Region of Ontario flight tickets

United Airlines flights from Washington, D.C. to Region of Ontario

Our best United Airlines deals on Washington, D.C. to Region of Ontario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Ontario that are best for you.

See travel insights to Ontario from

How to get the cheapest flight ticket from Washington, D.C. to Region of Ontario

What is the cheapest month to fly to Region of Ontario?

What is the cheapest day to depart on your flight to Region of Ontario?

What is the cheapest time of day to depart on your flight to Region of Ontario?

What is the cheapest Washington, D.C. to Ontario flight route?

Fly from Washington, D.C. Dulles Intl to Toronto Pearson Intl for the best Washington, D.C. - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

What cabin class options are available on Washington, D.C. to Ontario flights?

There are 4 cabin classes available to choose from on Washington, D.C. to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. to Region of Ontario flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Region of Ontario.

What is the cheapest airline that flies from Washington, D.C. to Ontario?

Porter Airlines, Air Canada, and Air Transat are the most popular carriers operating from Washington, D.C. to Ontario

What airlines fly to Region of Ontario?

How many flights depart from Washington, D.C. to Region of Ontario on average per day?

As of January 2026, there are 54 flights per day flying from Washington, D.C. to Region of Ontario. The most common time of day flights depart is 12:00PM, with 50% of flights taking off in the afternoon.

How many flights depart from Washington, D.C. to Region of Ontario on average per week?

380 flights are operational weekly from Washington, D.C. to Region of Ontario as of January 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

How long is the flight from Washington, D.C. to Region of Ontario?

Cheap Washington, D.C. to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Region of Ontario

Best Price Found

Fastest flight time

Direct flights

Airports in Region of Ontario

When did momondo last update prices for flights from Washington, D.C. to Ontario?

How many operators does momondo search for flights from Washington, D.C. to Ontario?

How old do you have to be to fly from Washington, D.C. to Ontario?

What documentation or ID do you need to fly to Ontario?

What is the most popular plane model from Washington, D.C. to Region of Ontario?

Best airlines flying from Washington, D.C. to Region of Ontario

Compare and see reviews for airlines that fly from Washington, D.C. to Region of Ontario with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Ontario?

Can I find flights from Washington, D.C. to Ontario with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Ontario?

I’m not ready to book a flight from Washington, D.C. to Ontario right now. Can momondo alert me if prices change?

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ontario

Popular cities in Ontario

Popular flights according to clicks in the last 7 days on momondo