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

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

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

Porter Airlines, Air Canada, and United Airlines 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 March 2026, 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 51% 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 25m 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.

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 54% 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.

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 March 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.

$97 Cheap Flights from Washington, D.C. to Ontario in 2026

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:55 pm - 6:22 pm

DCA

YTZ

5h 27m

1 stop

7:55 am - 12:01 pm

YTZ

DCA

4h 06m

1 stop

$224Air Canada

Mon, Apr 20 - Mon, Apr 27

11:40 am - 1:10 pm

IAD

YTZ

1h 30mnonstop

3:45 pm - 5:14 pm

YTZ

IAD

1h 29mnonstop

$233Porter Airlines

Fri, Apr 3 - Mon, Apr 6

11:40 am - 1:10 pm

IAD

YTZ

1h 30mnonstop

3:45 pm - 5:14 pm

YTZ

IAD

1h 29mnonstop

$235Porter Airlines

Fri, Apr 3 - Mon, Apr 6

6:59 am - 8:31 am

DCA

YYZ

1h 32mnonstop

8:15 am - 12:01 pm

YYZ

DCA

3h 46m

1 stop

$236Air Canada

Mon, Apr 20 - Mon, Apr 27

11:40 am - 1:10 pm

IAD

YTZ

1h 30mnonstop

3:45 pm - 5:14 pm

YTZ

IAD

1h 29mnonstop

$237Porter Airlines

Fri, Apr 3 - Mon, Apr 6

6:00 pm - 7:30 pm

IAD

YTZ

1h 30mnonstop

3:45 pm - 5:14 pm

YTZ

IAD

1h 29mnonstop

$238Porter Airlines

Thu, Apr 2 - Mon, Apr 6

11:40 am - 1:10 pm

IAD

YTZ

1h 30mnonstop

3:45 pm - 5:14 pm

YTZ

IAD

1h 29mnonstop

$239Porter Airlines

Fri, Apr 3 - Mon, Apr 6

11:40 am - 1:10 pm

IAD

YTZ

1h 30mnonstop

9:25 am - 10:54 am

YTZ

IAD

1h 29mnonstop

$240Porter Airlines

Thu, Apr 23 - Thu, Apr 30

8:19 am - 10:04 am

IAD

YYZ

1h 45mnonstop

12:45 pm - 2:24 pm

YYZ

IAD

1h 39mnonstop

$300United Airlines

Fri, May 8 - Mon, May 11

6:00 am - 11:43 am

IAD

YYZ

5h 43m

1 stop

2:30 pm - 4:09 pm

YYZ

IAD

1h 39mnonstop

$306United Airlines

Tue, Mar 31 - Tue, Mar 31

Air Canada flights from Washington, D.C. to Region of Ontario

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

Air Canada

Apr 20

DCA12:55 pmWashington, D.C. Reagan-National

5h 27m

1 stop

YTZ6:22 pmToronto Island

Apr 27

YTZ7:55 amToronto Island

4h 06m

1 stop

DCA12:01 pmWashington, D.C. Reagan-National

$224

Air Canada

Apr 20

DCA6:59 amWashington, D.C. Reagan-National

1h 32m

YYZ8:31 amToronto Pearson Intl

Apr 27

YYZ8:15 amToronto Pearson Intl

3h 46m

1 stop

DCA12:01 pmWashington, D.C. Reagan-National

$236

Air Canada

Apr 20

DCA6:59 amWashington, D.C. Reagan-National

1h 32m

YYZ8:31 amToronto Pearson Intl

Apr 27

YYZ9:10 pmToronto Pearson Intl

1h 33m

DCA10:43 pmWashington, D.C. Reagan-National

$251

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

Mar 31

IAD6:00 amWashington, D.C. Dulles Intl

5h 23m

1 stop

YYZ11:23 amToronto Pearson Intl

Apr 1

YYZ3:59 pmToronto Pearson Intl

7h 00m

1 stop

IAD10:59 pmWashington, D.C. Dulles Intl

$326

Delta

Apr 3

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

5h 23m

1 stop

YYZ11:23 amToronto Pearson Intl

Apr 8

YYZ12:15 pmToronto Pearson Intl

4h 20m

1 stop

DCA4:35 pmWashington, D.C. Reagan-National

$327

Delta

Apr 16

IAD6:00 amWashington, D.C. Dulles Intl

7h 24m

1 stop

YYZ1:24 pmToronto Pearson Intl

Apr 21

YYZ6:11 pmToronto Pearson Intl

4h 52m

1 stop

IAD11:03 pmWashington, D.C. Dulles Intl

$349

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

Cheapest round-trip

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Mon 4/20

12:55 pm-6:22 pm

1 stop5h 27m

Toronto Island

Mon 4/27

7:55 am-12:01 pm

1 stop4h 06m

$224

Quickest round-trip

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 4/3

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Mon 4/6

3:45 pm-5:14 pm

Nonstop1h 29m

$233

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 4/3

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Mon 4/6

3:45 pm-5:14 pm

Nonstop1h 29m

$235

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Mon 4/20

6:59 am-8:31 am

Nonstop1h 32m

Toronto Pearson Intl

Mon 4/27

8:15 am-12:01 pm

1 stop3h 46m

$236

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 4/3

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Mon 4/6

3:45 pm-5:14 pm

Nonstop1h 29m

$237

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 4/2

6:00 pm-7:30 pm

Nonstop1h 30m

Toronto Island

Mon 4/6

3:45 pm-5:14 pm

Nonstop1h 29m

$238

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 4/3

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Mon 4/6

3:45 pm-5:14 pm

Nonstop1h 29m

$239

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 4/23

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Thu 4/30

9:25 am-10:54 am

Nonstop1h 29m

$240

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 5/8

8:19 am-10:04 am

Nonstop1h 45m

Toronto Pearson Intl

Mon 5/11

12:45 pm-2:24 pm

Nonstop1h 39m

$300

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 3/31

6:00 am-11:43 am

1 stop5h 43m

Toronto Pearson Intl

Tue 3/31

2:30 pm-4:09 pm

Nonstop1h 39m

$306

Flights are sorted by cheapest round-trip flights first.

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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 April instead. Flights to Region of Ontario in April, while not as cheap as those in June, still average around $258.

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 $341. 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 $482. 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 $333. 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 $506.

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 $342 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 $266 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	$107
Fastest flight time	1h 25m
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 $107. The best round-trip flight deal from Washington, D.C. to Region of Ontario found on momondo in the last 72 hours is $235.

The fastest flight from Washington, D.C. to Region of Ontario takes 1h 25m

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 Ottawa (YOW), 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 March 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 (21.30% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (17.29%), Canadair (Bombardier) Regional Jet 900 (15.39%), and Embraer 175 (13.80%).

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 8.0 423 reviews	Search Porter Airlines flights
United Airlines	PriceFrom $108	Free Cancellation	Rating 7.4 9,414 reviews	Search United Airlines flights
Delta	PriceFrom $138	Free Cancellation	Rating 7.9 8,277 reviews	Search Delta flights
Air Transat	PriceFrom $176	Free Cancellation	Rating 7.7 520 reviews	Search Air Transat flights
Air Canada	PriceFrom $184	Free Cancellation	Rating 7.1 10,800 reviews	Search Air Canada flights
American Airlines	PriceFrom $263	Free Cancellation	Rating 7.1 11,420 reviews	Search American Airlines flights
WestJet	PriceFrom $349	Free Cancellation	Rating 7.2 3,288 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 $136

Flights to Vancouverfrom $107

Flights to Montrealfrom $171

Flights to Calgaryfrom $184

Flights to Ottawafrom $173

Flights to Halifaxfrom $264

Flights to Winnipegfrom $228

Flights to Québec Cityfrom $313

Flights to Kelownafrom $182

Flights to Saskatoonfrom $211

Flights to St. John'sfrom $366

Flights to Reginafrom $245

Cheap flights from Washington, D.C. to Ontario from $97

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 4/27. 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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Air Canada flights from Washington, D.C. to Region of Ontario

Our best Air Canada 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

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?

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?

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

What is the cheapest airline that flies 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?

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

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

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?

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

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