What is the cheapest airline that flies from Ontario to District of Columbia?

Air Transat, Air Canada, and Porter Airlines are the most popular carriers operating from Ontario to District of Columbia

Which airlines fly to District of Columbia?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to District of Columbia from Region of Ontario according to our data. Air Canada is the first choice among our users, with 64% of people opting to fly with this airline when travelling to District of Columbia. Keep in mind that there are 7 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

How long is the flight from Region of Ontario to District of Columbia?

The average flight duration from Region of Ontario to District of Columbia depends on which airport you fly into and out of. Flying from Toronto to Washington, D.C. Dulles Intl Airport is 1h 27m on average, while flying from Ottawa to Washington, D.C. Dulles Intl Airport is 1h 35m on average. Washington, D.C. Dulles Intl Airport is the most popular airport in District of Columbia.

When did momondo last update prices for flights from Ontario to District of Columbia?

Prices for flights from Ontario to District of Columbia are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario to District of Columbia?

There are 6 operators available for flights from Ontario to District of Columbia as of October 2025.

How old do you have to be to fly from Ontario to District of Columbia?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The travel and health documents you'll need for your trip to District of Columbia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at District of Columbia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 176 Cheap Flights from Ontario to District of Columbia in 2025/26

Q: How many flights depart from Region of Ontario to District of Columbia on average per day?

As of October 2025, 26 flights take off from Region of Ontario and land in District of Columbia each day. The most common flight departure time for this route is 10:00a.m., with 36% of daily flights taking off at noon.

Q: How many flights depart from Region of Ontario to District of Columbia on average per week?

184 flights are operational weekly from Region of Ontario to District of Columbia as of October 2025. The most popular departure day for this route is Thu, with 28% of flights per week taking off on this day.

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Find the cheapest flights from Ontario to District of Columbia

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One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:45 p.m. - 5:14 p.m.YTZ-IAD

1h 29mdirect

11:40 a.m. - 1:10 p.m.IAD-YTZ

1h 30mdirect

C$ 263Porter Airlines

Find Deal

Fri, 5 Dec - Mon, 8 Dec

3:45 p.m. - 5:14 p.m.YTZ-IAD

1h 29mdirect

6:30 p.m. - 8:00 p.m.IAD-YTZ

1h 30mdirect

C$ 264Porter Airlines

Find Deal

Fri, 28 Nov - Fri, 5 Dec

10:30 a.m. - 3:31 p.m.YTZ-DCA

5h 01m1 stop

6:00 a.m. - 11:55 a.m.DCA-YTZ

5h 55m1 stop

C$ 288Air Canada

Find Deal

Thu, 20 Nov - Sun, 23 Nov

6:10 p.m. - 7:45 p.m.YYZ-DCA

1h 35mdirect

6:59 a.m. - 8:35 a.m.DCA-YYZ

1h 36mdirect

C$ 295Air Canada

Find Deal

Thu, 20 Nov - Sun, 23 Nov

5:15 p.m. - 7:14 p.m.YYZ-DCA

1h 59mdirect

10:12 a.m. - 11:59 a.m.DCA-YYZ

1h 47mdirect

C$ 303American Airlines

Find Deal

Fri, 16 Jan - Mon, 19 Jan

2:45 p.m. - 4:30 p.m.YYZ-IAD

1h 45mdirect

8:29 a.m. - 1:43 p.m.IAD-YYZ

5h 14m1 stop

C$ 317United Airlines

Find Deal

Fri, 16 Jan - Tue, 20 Jan

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

1h 40mdirect

8:45 a.m. - 1:43 p.m.IAD-YYZ

4h 58m1 stop

C$ 318United Airlines

Find Deal

Thu, 20 Nov - Mon, 24 Nov

5:15 p.m. - 6:59 p.m.YYZ-DCA

1h 44mdirect

10:04 a.m. - 11:54 a.m.DCA-YYZ

1h 50mdirect

C$ 327American Airlines

Find Deal

Wed, 26 Nov - Mon, 1 Dec

11:00 a.m. - 12:29 p.m.YTZ-IAD

1h 29mdirect

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

1h 30mdirect

C$ 335Air Transat

Find Deal

Sat, 21 Feb - Sat, 28 Feb

11:00 a.m. - 12:29 p.m.YTZ-IAD

1h 29mdirect

6:30 p.m. - 8:00 p.m.IAD-YTZ

1h 30mdirect

C$ 337Air Transat

Find Deal

Sat, 22 Nov - Sun, 23 Nov

United Airlines flights from Region of Ontario to District of Columbia

Our best United Airlines deals on Region of Ontario to District of Columbia flight tickets

United Airlines

16 Jan

YYZ2:45 p.m.Toronto Pearson Intl

1h 45m

IAD4:30 p.m.Washington, D.C. Dulles Intl

20 Jan

IAD8:29 a.m.Washington, D.C. Dulles Intl

5h 14m

1 stop

YYZ1:43 p.m.Toronto Pearson Intl

C$ 317

Find similar

United Airlines

20 Nov

YYZ7:40 p.m.Toronto Pearson Intl

1h 40m

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

24 Nov

IAD8:45 a.m.Washington, D.C. Dulles Intl

4h 58m

1 stop

YYZ1:43 p.m.Toronto Pearson Intl

C$ 318

Find similar

United Airlines

12 Nov

YYZ9:00 a.m.Toronto Pearson Intl

6h 55m

1 stop

IAD3:55 p.m.Washington, D.C. Dulles Intl

12 Nov

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

1h 35m

YYZ11:46 p.m.Toronto Pearson Intl

C$ 320

Find similar

Air Transat flights from Region of Ontario to District of Columbia

Our best Air Transat deals on Region of Ontario to District of Columbia flight tickets

Air Transat

21 Feb

YTZ11:00 a.m.Toronto Island

1h 29m

IAD12:29 p.m.Washington, D.C. Dulles Intl

28 Feb

IAD1:45 p.m.Washington, D.C. Dulles Intl

1h 30m

YTZ3:15 p.m.Toronto Island

C$ 335

Find similar

Air Transat

22 Nov

YTZ11:00 a.m.Toronto Island

1h 29m

IAD12:29 p.m.Washington, D.C. Dulles Intl

23 Nov

IAD6:30 p.m.Washington, D.C. Dulles Intl

1h 30m

YTZ8:00 p.m.Toronto Island

C$ 337

Find similar

Air Transat

13 Nov

YTZ8:55 a.m.Toronto Island

1h 29m

IAD10:24 a.m.Washington, D.C. Dulles Intl

21 Nov

IAD6:30 p.m.Washington, D.C. Dulles Intl

1h 30m

YTZ8:00 p.m.Toronto Island

C$ 359

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 5/12

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 8/12

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

C$ 263

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 28/11

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Fri 5/12

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

C$ 264

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 20/11

10:30 a.m.-3:31 p.m.

1 stop5h 01m

Washington, D.C. Reagan-National

Sun 23/11

6:00 a.m.-11:55 a.m.

1 stop5h 55m

C$ 288

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 20/11

6:10 p.m.-7:45 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Sun 23/11

6:59 a.m.-8:35 a.m.

Nonstop1h 36m

C$ 295

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 16/1

5:15 p.m.-7:14 p.m.

Nonstop1h 59m

Washington, D.C. Reagan-National

Mon 19/1

10:12 a.m.-11:59 a.m.

Nonstop1h 47m

C$ 303

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 16/1

2:45 p.m.-4:30 p.m.

Nonstop1h 45m

Washington, D.C. Dulles Intl

Tue 20/1

8:29 a.m.-1:43 p.m.

1 stop5h 14m

C$ 317

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 20/11

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

Nonstop1h 40m

Washington, D.C. Dulles Intl

Mon 24/11

8:45 a.m.-1:43 p.m.

1 stop4h 58m

C$ 318

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Wed 26/11

5:15 p.m.-6:59 p.m.

Nonstop1h 44m

Washington, D.C. Reagan-National

Mon 1/12

10:04 a.m.-11:54 a.m.

Nonstop1h 50m

C$ 327

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 21/2

11:00 a.m.-12:29 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 28/2

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

Nonstop1h 30m

C$ 335

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 22/11

11:00 a.m.-12:29 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 23/11

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

C$ 337

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Region of Ontario to District of Columbia

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 District of Columbia?

The month of April is, on average, the cheapest month to fly to District of Columbia from Region of Ontario, with most prices found around C$ 307. If you aren’t able to travel during the month of April, then book flights to District of Columbia from Region of Ontario during August instead. Flights to District of Columbia in August, while not as cheap as those in April, still average around C$ 307.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart from Region of Ontario to District of Columbia is on a Friday when prices can be found for as low as C$ 601. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to District of Columbia on Monday is C$ 932.

What is the cheapest time of day to depart on your flight to District of Columbia?

Our data shows that the cheapest Region of Ontario to District of Columbia flights are usually those with departure times in the afternoon. Our users have found flights to District of Columbia in the afternoon for as low as C$ 497. At noon is when there is more demand to fly to District of Columbia, so prices are often more expensive at around C$ 852 per ticket.

What is the cheapest Ontario to District of Columbia flight route?

Fly from Toronto Island to Washington, D.C. Dulles Intl for the best Ontario - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around C$ 402 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Region of Ontario for as low as C$ 349 on momondo.

What cabin class options are available on Ontario to District of Columbia flights?

There are 4 cabin classes available to choose from on Ontario to District of Columbia 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 Region of Ontario to District of Columbia flights?

You could potentially save up to 8% on your flight if you consider stops on a Region of Ontario to District of Columbia flight.

Cheap Region of Ontario to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to District of Columbia

Best price found	C$ 167
Fastest flight time	1h 29m
Direct flights	Every day
Airports in District of Columbia	1 airport

The best one-way flight to District of Columbia from Region of Ontario in the past 72 hours is C$ 167. The best round-trip flight deal from Region of Ontario to District of Columbia found on momondo in the last 72 hours is C$ 270.

The fastest flight from Region of Ontario to District of Columbia takes 1h 29m

Direct flights go from Region of Ontario to District of Columbia every day.

There is 1 airport near District of Columbia: Washington, D.C. Dulles Intl (IAD)

Search flight deals

When did momondo last update prices for flights from Ontario to District of Columbia?
Prices for flights from Ontario to District of Columbia are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario to District of Columbia?
There are 6 operators available for flights from Ontario to District of Columbia as of October 2025.
How old do you have to be to fly from Ontario to District of Columbia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The travel and health documents you'll need for your trip to District of Columbia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at District of Columbia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Region of Ontario to District of Columbia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to District of Columbia is De Havilland (Bombardier) DHC-8-400 Dash 8Q (27.69% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (19.21%), Embraer 175 (14.46%), and Canadair (Bombardier) Regional Jet 900 (9.66%).

Best airlines flying from Region of Ontario to District of Columbia

Compare and see reviews for airlines that fly from Region of Ontario to District of Columbia with momondo

Airline	Rating	Free Cancellation	Price
Porter Airlines	PriceFrom C$ 187	Free Cancellation	Rating 8.0 384 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 202	Free Cancellation	Rating 7.1 10,377 reviews	Search Air Canada flights
Air Transat	PriceFrom C$ 212	Free Cancellation	Rating 7.8 469 reviews	Search Air Transat flights
American Airlines	PriceFrom C$ 213	Free Cancellation	Rating 7.2 11,030 reviews	Search American Airlines flights
United Airlines	PriceFrom C$ 266	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
Delta	PriceFrom C$ 313	Free Cancellation	Rating 7.9 7,993 reviews	Search Delta flights
WestJet	PriceFrom C$ 387	Free Cancellation	Rating 7.2 3,149 reviews	Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to District of Columbia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to District of Columbia for you.

Can I find flights from Ontario to District of Columbia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to District of Columbia from Ontario with this policy.

How can momondo help me find flights from Ontario to District of Columbia?

momondo provides multiple filters to help you find the best flight to District of Columbia from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to District of Columbia right now. Can momondo alert me if prices change?

Price alerts on flights to District of Columbia from Ontario 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 District of Columbia 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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Sat 6/12

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Find better results for your trip to District of Columbia

Cheap flights from Ontario to District of Columbia from C$ 176

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to District of Columbia departing on 22/11. 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

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Find the cheapest flights from Ontario to District of Columbia

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

United Airlines flights from Region of Ontario to District of Columbia

Our best United Airlines deals on Region of Ontario to District of Columbia flight tickets

Air Transat flights from Region of Ontario to District of Columbia

Our best Air Transat deals on Region of Ontario to District of Columbia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to District of Columbia that are best for you.

See travel insights to District of Columbia from

How to get the cheapest flight ticket from Region of Ontario to District of Columbia

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 District of Columbia?

What is the cheapest day to depart on your flight to District of Columbia?

What is the cheapest time of day to depart on your flight to District of Columbia?

What is the cheapest Ontario to District of Columbia flight route?

Fly from Toronto Island to Washington, D.C. Dulles Intl for the best Ontario - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

What cabin class options are available on Ontario to District of Columbia flights?

There are 4 cabin classes available to choose from on Ontario to District of Columbia 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 Region of Ontario to District of Columbia flights?

You could potentially save up to 8% on your flight if you consider stops on a Region of Ontario to District of Columbia flight.

What is the cheapest airline that flies from Ontario to District of Columbia?

Air Transat, Air Canada, and Porter Airlines are the most popular carriers operating from Ontario to District of Columbia

Which airlines fly to District of Columbia?

How many flights depart from Region of Ontario to District of Columbia on average per day?

As of October 2025, 26 flights take off from Region of Ontario and land in District of Columbia each day. The most common flight departure time for this route is 10:00a.m., with 36% of daily flights taking off at noon.

How many flights depart from Region of Ontario to District of Columbia on average per week?

184 flights are operational weekly from Region of Ontario to District of Columbia as of October 2025. The most popular departure day for this route is Thu, with 28% of flights per week taking off on this day.

How long is the flight from Region of Ontario to District of Columbia?

Cheap Region of Ontario to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to District of Columbia

Best price found

Fastest flight time

Direct flights

Airports in District of Columbia

When did momondo last update prices for flights from Ontario to District of Columbia?

How many operators does momondo search for flights from Ontario to District of Columbia?

How old do you have to be to fly from Ontario to District of Columbia?

What documentation or ID do you need to fly to District of Columbia?

What is the most popular plane model from Region of Ontario to District of Columbia?

Best airlines flying from Region of Ontario to District of Columbia

Compare and see reviews for airlines that fly from Region of Ontario to District of Columbia with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to District of Columbia?

Can I find flights from Ontario to District of Columbia with flexible booking policies on momondo?

How can momondo help me find flights from Ontario to District of Columbia?

I’m not ready to book a flight from Ontario to District of Columbia right now. Can momondo alert me if prices change?

An easier way to manage your District of Columbia 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 District of Columbia

Popular Cities in District of Columbia

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