Which airlines fly to Region of Ontario?

Air Canada, Porter Airlines and United 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 60% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 4 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 week?

As of September 2025, there are 389 flights per week flying from Washington, D.C. to Region of Ontario. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

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

The flight from Washington, D.C. to Region of Ontario depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Washington, D.C. (a popular airport in Washington, D.C.) to Toronto Pearson Intl Airport (the most popular airport in Region of Ontario), then the flight time is 1h 30m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Toronto Pearson Intl Airport, then the average flight time is 5h 09m.

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?

The number of flights available between Washington, D.C. and Region of Ontario is 55 per day as of September 2025. The most frequent departure time is 12:00p.m., with 54% of daily flights leaving in the afternoon.

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 September 2025, there are 4 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 necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 95 Cheap Flights from Washington, D.C. to Ontario in 2025/26

1 adult

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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

9:41 p.m. - 2:20 p.m.BWI-YYZ

16h 39m1 stop

12:50 p.m. - 8:32 p.m.YYZ-BWI

7h 42m1 stop

C$ 263Multiple Airlines

Find Deal

Fri, 31 Oct - Fri, 7 Nov

9:41 p.m. - 2:20 p.m.BWI-YYZ

16h 39m1 stop

12:50 p.m. - 8:32 p.m.YYZ-BWI

7h 42m1 stop

C$ 275Multiple Airlines

Find Deal

Fri, 31 Oct - Fri, 7 Nov

1:45 p.m. - 3:15 p.m.IAD-YTZ

1h 30mdirect

8:55 a.m. - 10:24 a.m.YTZ-IAD

1h 29mdirect

C$ 292Porter Airlines

Find Deal

Sat, 8 Nov - Fri, 14 Nov

4:20 p.m. - 5:53 p.m.IAD-YTZ

1h 33mdirect

1:35 p.m. - 3:06 p.m.YTZ-IAD

1h 31mdirect

C$ 293Porter Airlines

Find Deal

Thu, 16 Oct - Thu, 23 Oct

6:00 a.m. - 10:39 a.m.DCA-YYZ

4h 39m1 stop

7:25 a.m. - 8:59 a.m.YYZ-DCA

1h 34mdirect

C$ 293Air Canada

Find Deal

Thu, 16 Oct - Sun, 19 Oct

4:30 p.m. - 5:58 p.m.IAD-YYZ

1h 28mdirect

2:20 p.m. - 3:51 p.m.YYZ-IAD

1h 31mdirect

C$ 293Air Canada

Find Deal

Thu, 30 Oct - Thu, 6 Nov

5:15 p.m. - 6:57 p.m.IAD-YYZ

1h 42mdirect

7:40 p.m. - 9:20 p.m.YYZ-IAD

1h 40mdirect

C$ 351United Airlines

Find Deal

Sun, 2 Nov - Tue, 11 Nov

10:11 p.m. - 11:46 p.m.IAD-YYZ

1h 35mdirect

10:00 a.m. - 11:45 a.m.YYZ-IAD

1h 45mdirect

C$ 360United Airlines

Find Deal

Fri, 7 Nov - Sat, 8 Nov

6:00 a.m. - 2:45 p.m.DCA-YYZ

8h 45m1 stop

2:10 p.m. - 10:54 p.m.YYZ-DCA

8h 44m1 stop

C$ 395Delta

Find Deal

Fri, 7 Nov - Tue, 11 Nov

6:05 a.m. - 2:45 p.m.IAD-YYZ

8h 40m1 stop

6:00 a.m. - 11:31 a.m.YYZ-IAD

5h 31m1 stop

C$ 395Delta

Find Deal

Thu, 6 Nov - Wed, 12 Nov

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

3 Oct

DCA1:30 p.m.Washington, D.C. Reagan-National

3h 45m

1 stop

YYZ5:15 p.m.Toronto Pearson Intl

4 Oct

YYZ5:17 p.m.Toronto Pearson Intl

1h 42m

DCA6:59 p.m.Washington, D.C. Reagan-National

C$ 406

Find similar

American Airlines

26 Sep

DCA7:29 a.m.Washington, D.C. Reagan-National

7h 15m

1 stop

YYZ2:44 p.m.Toronto Pearson Intl

2 Oct

YYZ5:17 p.m.Toronto Pearson Intl

1h 42m

DCA6:59 p.m.Washington, D.C. Reagan-National

C$ 653

Find similar

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

2 Nov

IAD5:15 p.m.Washington, D.C. Dulles Intl

1h 42m

YYZ6:57 p.m.Toronto Pearson Intl

11 Nov

YYZ7:40 p.m.Toronto Pearson Intl

1h 40m

IAD9:20 p.m.Washington, D.C. Dulles Intl

C$ 351

Find similar

United Airlines

7 Nov

IAD10:11 p.m.Washington, D.C. Dulles Intl

1h 35m

YYZ11:46 p.m.Toronto Pearson Intl

8 Nov

YYZ10:00 a.m.Toronto Pearson Intl

1h 45m

IAD11:45 a.m.Washington, D.C. Dulles Intl

C$ 360

Find similar

United Airlines

22 Oct

IAD10:10 p.m.Washington, D.C. Dulles Intl

13h 39m

1 stop

YYZ11:49 a.m.Toronto Pearson Intl

23 Oct

YYZ3:00 p.m.Toronto Pearson Intl

6h 11m

1 stop

IAD9:11 p.m.Washington, D.C. Dulles Intl

C$ 362

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.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 31/10

9:41 p.m.-2:20 p.m.

1 stop16h 39m

Toronto Pearson Intl

Fri 7/11

12:50 p.m.-8:32 p.m.

1 stop7h 42m

C$ 263

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 31/10

9:41 p.m.-2:20 p.m.

1 stop16h 39m

Toronto Pearson Intl

Fri 7/11

12:50 p.m.-8:32 p.m.

1 stop7h 42m

C$ 275

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 8/11

1:45 p.m.-3:15 p.m.

Nonstop1h 30m

Toronto Island

Fri 14/11

8:55 a.m.-10:24 a.m.

Nonstop1h 29m

C$ 292

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 16/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

Toronto Island

Thu 23/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

C$ 293

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 16/10

6:00 a.m.-10:39 a.m.

1 stop4h 39m

Toronto Pearson Intl

Sun 19/10

7:25 a.m.-8:59 a.m.

Nonstop1h 34m

C$ 293

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 30/10

4:30 p.m.-5:58 p.m.

Nonstop1h 28m

Toronto Pearson Intl

Thu 6/11

2:20 p.m.-3:51 p.m.

Nonstop1h 31m

C$ 293

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sun 2/11

5:15 p.m.-6:57 p.m.

Nonstop1h 42m

Toronto Pearson Intl

Tue 11/11

7:40 p.m.-9:20 p.m.

Nonstop1h 40m

C$ 351

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 7/11

10:11 p.m.-11:46 p.m.

Nonstop1h 35m

Toronto Pearson Intl

Sat 8/11

10:00 a.m.-11:45 a.m.

Nonstop1h 45m

C$ 360

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 7/11

6:00 a.m.-2:45 p.m.

1 stop8h 45m

Toronto Pearson Intl

Tue 11/11

2:10 p.m.-10:54 p.m.

1 stop8h 44m

C$ 395

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 6/11

6:05 a.m.-2:45 p.m.

1 stop8h 40m

Toronto Pearson Intl

Wed 12/11

6:00 a.m.-11:31 a.m.

1 stop5h 31m

C$ 395

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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?

In general, June is the cheapest month to fly from Washington, D.C. to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 301. If you are unable to visit Region of Ontario during the month of June, then departing from Washington, D.C. during the month April is also very affordable. Most momondo users find prices during this month for around C$ 363.

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

The cheapest day to depart from Washington, D.C. to Region of Ontario is on a Monday. Travellers who choose to depart for Region of Ontario on a Monday will often find tickets for as low as C$ 336. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 483.

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

Our most recent data shows that the best time of day to fly to Region of Ontario is in the morning. Flights from Washington, D.C. to Region of Ontario during this time can be as low as C$ 397. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 460 on average. Flights to Region of Ontario from Washington, D.C. at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 C$ 456 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 C$ 344 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	C$ 169
Fastest flight time	1h 28m
Direct flights	Every day
Airports in Region of Ontario	3 airports

The best one-way flight to Region of Ontario from Washington, D.C. in the past 72 hours is C$ 169. The best round-trip flight deal from Washington, D.C. to Region of Ontario found on momondo in the last 72 hours is C$ 213.

The fastest flight from Washington, D.C. to Region of Ontario takes 1h 28m

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

There are 3 airports near Region of Ontario: 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 September 2025, there are 4 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 necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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 flights between Washington, D.C. and Region of Ontario, the leading plane model is De Havilland (Bombardier) DHC-8-400 Dash 8Q, making up 27.27% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 22.20%, Embraer 175 with 15.44%, and Canadair (Bombardier) Regional Jet 900 with 9.20%.

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
Air Canada	PriceFrom C$ 159	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 182	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Porter Airlines	PriceFrom C$ 242	Free Cancellation	Rating 7.9 365 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 468	Free Cancellation	Rating 7.2 3,095 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?

Yes. All flights to Ontario from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

If you are not ready to book a flight from Washington, D.C. to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they 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.

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Find better results for your trip to Ontario

Popular Cities in Ontario

Flights to Torontofrom C$ 100

Flights to Vancouverfrom C$ 55

Flights to Montrealfrom C$ 187

Flights to Calgaryfrom C$ 69

Flights to Ottawafrom C$ 160

Flights to Winnipegfrom C$ 109

Flights to Halifaxfrom C$ 120

Flights to Kelownafrom C$ 69

Flights to Saskatoonfrom C$ 121

Flights to Reginafrom C$ 102

Flights to St. John'sfrom C$ 149

Flights to Québec Cityfrom C$ 292

Washington, D.C. flight routes

Flights from Washington, D.C. Reagan-National to Montreal Pierre Elliott Trudeau Intl

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

Flights from Washington, D.C. Dulles Intl to Toronto Pearson Intl

Flights from Washington, D.C. Dulles Intl to Toronto Island

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

Flights from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl

Cheap flights from Washington, D.C. to Ontario from C$ 95

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 31/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

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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

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 United Airlines are the most popular carriers operating from Washington, D.C. to Ontario

Which airlines fly to Region of Ontario?

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

The number of flights available between Washington, D.C. and Region of Ontario is 55 per day as of September 2025. The most frequent departure time is 12:00p.m., with 54% of daily flights leaving in the afternoon.

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

As of September 2025, there are 389 flights per week flying from Washington, D.C. to Region of Ontario. The most common day of the week flights depart is Mon, with 15% of flights 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