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

367 flights are operational weekly from Washington, D.C. to Region of Ontario as of November 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

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 55% 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.

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

Porter Airlines, Air Canada, and Delta 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 day?

As of November 2025, there are 52 flights per day flying from Washington, D.C. to Region of Ontario. The most common time of day flights depart is 12:00PM, with 49% of flights taking off in the afternoon.

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 31m on average, while flying from Baltimore to Toronto Pearson Intl Airport is 7h 44m 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 November 2025, 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.

$107 Cheap Flights from Washington, D.C. to Ontario in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:40 am - 1:10 pmIAD-YTZ

1h 30mnonstop

8:55 am - 10:24 amYTZ-IAD

1h 29mnonstop

$211Porter Airlines

Find Deal

Thu, Dec 4 - Sun, Dec 7

11:40 am - 1:10 pmIAD-YTZ

1h 30mnonstop

8:55 am - 10:24 amYTZ-IAD

1h 29mnonstop

$213Porter Airlines

Find Deal

Wed, Dec 24 - Wed, Dec 31

2:30 pm - 4:00 pmIAD-YTZ

1h 30mnonstop

3:45 pm - 5:14 pmYTZ-IAD

1h 29mnonstop

$214Porter Airlines

Find Deal

Thu, Dec 25 - Thu, Jan 1

6:30 pm - 8:00 pmIAD-YTZ

1h 30mnonstop

3:45 pm - 5:14 pmYTZ-IAD

1h 29mnonstop

$217Porter Airlines

Find Deal

Fri, Dec 26 - Mon, Jan 5

6:50 pm - 8:27 pmDCA-YYZ

1h 37mnonstop

9:00 pm - 10:35 pmYYZ-DCA

1h 35mnonstop

$224Air Canada

Find Deal

Tue, Feb 24 - Fri, Feb 27

9:00 am - 10:29 amIAD-YYZ

1h 29mnonstop

2:15 pm - 3:50 pmYYZ-IAD

1h 35mnonstop

$224Air Canada

Find Deal

Tue, Feb 24 - Fri, Feb 27

11:40 am - 1:10 pmIAD-YTZ

1h 30mnonstop

8:55 am - 10:24 amYTZ-IAD

1h 29mnonstop

$260Air Transat

Find Deal

Wed, Dec 10 - Thu, Dec 11

6:30 am - 3:10 pmDCA-YYZ

8h 40m1 stop

5:16 pm - 7:09 pmYYZ-DCA

1h 53mnonstop

$273American Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 7

10:04 am - 11:56 amDCA-YYZ

1h 52mnonstop

5:16 pm - 7:09 pmYYZ-DCA

1h 53mnonstop

$278American Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 7

10:08 pm - 11:54 pmIAD-YOW

1h 46mnonstop

5:59 pm - 11:06 pmYOW-IAD

5h 07m1 stop

$374United Airlines

Find Deal

Fri, Dec 26 - Wed, Dec 31

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

Dec 5

DCA6:30 amWashington, D.C. Reagan-National

8h 40m

1 stop

YYZ3:10 pmToronto Pearson Intl

Dec 7

YYZ5:16 pmToronto Pearson Intl

1h 53m

DCA7:09 pmWashington, D.C. Reagan-National

$273

Find similar

American Airlines

Dec 5

DCA10:04 amWashington, D.C. Reagan-National

1h 52m

YYZ11:56 amToronto Pearson Intl

Dec 7

YYZ5:16 pmToronto Pearson Intl

1h 53m

DCA7:09 pmWashington, D.C. Reagan-National

$278

Find similar

American Airlines

Dec 5

DCA10:04 amWashington, D.C. Reagan-National

1h 52m

YYZ11:56 amToronto Pearson Intl

Dec 8

YYZ5:16 pmToronto Pearson Intl

1h 53m

DCA7:09 pmWashington, D.C. Reagan-National

$280

Find similar

Delta flights from Washington, D.C. to Region of Ontario

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

Delta

Dec 4

DCA11:13 amWashington, D.C. Reagan-National

5h 55m

1 stop

YYZ5:08 pmToronto Pearson Intl

Dec 7

YYZ6:05 amToronto Pearson Intl

5h 32m

1 stop

DCA11:37 amWashington, D.C. Reagan-National

$289

Find similar

Delta

Nov 26

DCA6:00 amWashington, D.C. Reagan-National

7h 20m

1 stop

YYZ1:20 pmToronto Pearson Intl

Dec 4

YYZ7:44 amToronto Pearson Intl

4h 43m

1 stop

DCA12:27 pmWashington, D.C. Reagan-National

$310

Find similar

Delta

Nov 24

IAD12:11 pmWashington, D.C. Dulles Intl

4h 53m

1 stop

YYZ5:04 pmToronto Pearson Intl

Nov 27

YYZ6:05 amToronto Pearson Intl

4h 20m

1 stop

IAD10:25 amWashington, D.C. Dulles Intl

$332

Find similar

momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 12/4

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Sun 12/7

8:55 am-10:24 am

Nonstop1h 29m

$211

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 12/24

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Wed 12/31

8:55 am-10:24 am

Nonstop1h 29m

$213

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 12/25

2:30 pm-4:00 pm

Nonstop1h 30m

Toronto Island

Thu 1/1

3:45 pm-5:14 pm

Nonstop1h 29m

$214

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 12/26

6:30 pm-8:00 pm

Nonstop1h 30m

Toronto Island

Mon 1/5

3:45 pm-5:14 pm

Nonstop1h 29m

$217

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 2/24

6:50 pm-8:27 pm

Nonstop1h 37m

Toronto Pearson Intl

Fri 2/27

9:00 pm-10:35 pm

Nonstop1h 35m

$224

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 2/24

9:00 am-10:29 am

Nonstop1h 29m

Toronto Pearson Intl

Fri 2/27

2:15 pm-3:50 pm

Nonstop1h 35m

$224

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 12/10

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Thu 12/11

8:55 am-10:24 am

Nonstop1h 29m

$260

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 12/5

6:30 am-3:10 pm

1 stop8h 40m

Toronto Pearson Intl

Sun 12/7

5:16 pm-7:09 pm

Nonstop1h 53m

$273

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 12/5

10:04 am-11:56 am

Nonstop1h 52m

Toronto Pearson Intl

Sun 12/7

5:16 pm-7:09 pm

Nonstop1h 53m

$278

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 12/26

10:08 pm-11:54 pm

Nonstop1h 46m

Ottawa

Wed 12/31

5:59 pm-11:06 pm

1 stop5h 07m

$374

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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 $219. 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 $350. 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 Tuesday will generally be more expensive and average around $539. 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 $317. 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 $709.

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

Fly from Washington, D.C. Dulles Intl to Toronto Island 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 $332 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 $250 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	$143
Fastest flight time	1h 27m
Direct flights	Every day
Airports in Region of Ontario	2 airports

The best one-way flight to Region of Ontario from Washington, D.C. in the past 72 hours is $143. The best round-trip flight deal from Washington, D.C. to Region of Ontario found on momondo in the last 72 hours is $233.

The fastest flight from Washington, D.C. to Region of Ontario takes 1h 27m

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

There are 2 airports near Region of Ontario: 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 November 2025, 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 (28.56% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (22.39%), Embraer 175 (15.88%), and Canadair (Bombardier) Regional Jet 900 (11.00%).

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 8.0 389 reviews	Search Porter Airlines flights
United Airlines	PriceFrom $132	Free Cancellation	Rating 7.4 9,012 reviews	Search United Airlines flights
Air Canada	PriceFrom $149	Free Cancellation	Rating 7.1 10,440 reviews	Search Air Canada flights
Air Transat	PriceFrom $176	Free Cancellation	Rating 7.8 471 reviews	Search Air Transat flights
American Airlines	PriceFrom $253	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
Delta	PriceFrom $255	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
WestJet	PriceFrom $319	Free Cancellation	Rating 7.2 3,159 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.

An easier way to manage your Region of Ontario trip

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Popular cities in Ontario

Flights to Torontofrom $97

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Flights to Halifaxfrom $219

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Flights to Reginafrom $207

Washington, D.C. flight routes

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Flights from Baltimore/Washington to Atlanta Hartsfield-Jackson

Cheap flights from Washington, D.C. to Ontario from $107

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 12/8. 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

Delta flights from Washington, D.C. to Region of Ontario

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

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

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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

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 Island 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 Delta 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 November 2025, there are 52 flights per day flying from Washington, D.C. to Region of Ontario. The most common time of day flights depart is 12:00PM, with 49% of flights taking off in the afternoon.

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

367 flights are operational weekly from Washington, D.C. to Region of Ontario as of November 2025. The most popular departure day for this route is Mon, with 16% 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