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

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

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 45m on average. Washington, D.C. Dulles Intl Airport is the most popular airport in 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 63% 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.

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 December 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$ 175 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 week?

359 flights are operational weekly from Region of Ontario to District of Columbia as of December 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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

As of December 2025, 51 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 35% of daily flights taking off at noon.

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Find the cheapest flights from Ontario to District of Columbia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 a.m. - 10:22 a.m.

YTZ

IAD

1h 32mdirect

1:50 p.m. - 3:20 p.m.

IAD

YTZ

1h 30mdirect

C$ 274Porter Airlines

Sun, 1 Feb - Sat, 28 Feb

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

YTZ

IAD

1h 29mdirect

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

IAD

YTZ

1h 30mdirect

C$ 276Porter Airlines

Thu, 23 Apr - Wed, 29 Apr

6:55 p.m. - 8:26 p.m.

YYZ

IAD

1h 31mdirect

9:00 a.m. - 10:29 a.m.

IAD

YYZ

1h 29mdirect

C$ 277Air Canada

Thu, 15 Jan - Mon, 19 Jan

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

YYZ

DCA

1h 59mdirect

2:48 p.m. - 4:35 p.m.

DCA

YYZ

1h 47mdirect

C$ 277American Airlines

Thu, 15 Jan - Thu, 22 Jan

7:10 a.m. - 12:19 p.m.

YYZ

DCA

5h 09m1 stop

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

DCA

YYZ

1h 36mdirect

C$ 278Air Canada

Thu, 8 Jan - Sun, 11 Jan

10:59 a.m. - 12:49 p.m.

YYZ

DCA

1h 50mdirect

10:00 a.m. - 3:00 p.m.

DCA

YYZ

5h 00m1 stop

C$ 291American Airlines

Thu, 15 Jan - Sun, 18 Jan

7:00 p.m. - 8:54 p.m.

YUL

IAD

1h 54mdirect

11:40 a.m. - 4:30 p.m.

IAD

YUL

4h 50m1 stop

C$ 364Multiple Airlines

Fri, 30 Jan - Fri, 6 Feb

9:45 a.m. - 11:49 a.m.

YOW

IAD

2h 04mdirect

5:10 p.m. - 6:52 p.m.

IAD

YOW

1h 42mdirect

C$ 380United Airlines

Sat, 17 Jan - Sun, 25 Jan

3:10 p.m. - 9:22 p.m.

YOW

IAD

6h 12m1 stop

5:10 p.m. - 6:52 p.m.

IAD

YOW

1h 42mdirect

C$ 401United Airlines

Sat, 17 Jan - Sun, 25 Jan

9:40 a.m. - 8:18 p.m.

YOW

IAD

10h 38m1 stop

9:18 a.m. - 11:58 p.m.

IAD

YOW

14h 40m1 stop

C$ 404Multiple Airlines

Sat, 17 Jan - Sun, 25 Jan

Porter Airlines flights from Region of Ontario to District of Columbia

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

Porter Airlines

1 Feb

YTZ8:50 a.m.Toronto Island

1h 32m

IAD10:22 a.m.Washington, D.C. Dulles Intl

28 Feb

IAD1:50 p.m.Washington, D.C. Dulles Intl

1h 30m

YTZ3:20 p.m.Toronto Island

C$ 274

Find similar

Porter Airlines

16 Jan

YTZ8:50 a.m.Toronto Island

1h 29m

IAD10:19 a.m.Washington, D.C. Dulles Intl

23 Jan

IAD11:35 a.m.Washington, D.C. Dulles Intl

1h 34m

YTZ1:09 p.m.Toronto Island

C$ 278

Find similar

Porter Airlines

10 Apr

YTZ3:45 p.m.Toronto Island

1h 29m

IAD5:14 p.m.Washington, D.C. Dulles Intl

12 Apr

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

1h 30m

YTZ8:00 p.m.Toronto Island

C$ 282

Find similar

Air Canada flights from Region of Ontario to District of Columbia

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

Air Canada

15 Jan

YYZ6:55 p.m.Toronto Pearson Intl

1h 31m

IAD8:26 p.m.Washington, D.C. Dulles Intl

19 Jan

IAD9:00 a.m.Washington, D.C. Dulles Intl

1h 29m

YYZ10:29 a.m.Toronto Pearson Intl

C$ 277

Find similar

Air Canada

8 Jan

YYZ2:15 p.m.Toronto Pearson Intl

1h 31m

IAD3:46 p.m.Washington, D.C. Dulles Intl

11 Jan

IAD9:00 a.m.Washington, D.C. Dulles Intl

1h 29m

YYZ10:29 a.m.Toronto Pearson Intl

C$ 278

Find similar

Air Canada

8 Jan

YYZ6:55 p.m.Toronto Pearson Intl

1h 31m

IAD8:26 p.m.Washington, D.C. Dulles Intl

13 Jan

IAD9:00 a.m.Washington, D.C. Dulles Intl

1h 29m

YYZ10:29 a.m.Toronto Pearson Intl

C$ 282

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

Sun 1/2

8:50 a.m.-10:22 a.m.

Nonstop1h 32m

Washington, D.C. Dulles Intl

Sat 28/2

1:50 p.m.-3:20 p.m.

Nonstop1h 30m

C$ 274

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 23/4

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Wed 29/4

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

Nonstop1h 30m

C$ 276

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 15/1

6:55 p.m.-8:26 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Mon 19/1

9:00 a.m.-10:29 a.m.

Nonstop1h 29m

C$ 277

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 15/1

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

Nonstop1h 59m

Washington, D.C. Reagan-National

Thu 22/1

2:48 p.m.-4:35 p.m.

Nonstop1h 47m

C$ 277

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 8/1

7:10 a.m.-12:19 p.m.

1 stop5h 09m

Washington, D.C. Reagan-National

Sun 11/1

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

Nonstop1h 36m

C$ 278

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 15/1

10:59 a.m.-12:49 p.m.

Nonstop1h 50m

Washington, D.C. Reagan-National

Sun 18/1

10:00 a.m.-3:00 p.m.

1 stop5h 00m

C$ 291

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

7:00 p.m.-8:54 p.m.

Nonstop1h 54m

Washington, D.C. Dulles Intl

Fri 6/2

11:40 a.m.-4:30 p.m.

1 stop4h 50m

C$ 364

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 17/1

9:45 a.m.-11:49 a.m.

Nonstop2h 04m

Washington, D.C. Dulles Intl

Sun 25/1

5:10 p.m.-6:52 p.m.

Nonstop1h 42m

C$ 380

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 17/1

3:10 p.m.-9:22 p.m.

1 stop6h 12m

Washington, D.C. Dulles Intl

Sun 25/1

5:10 p.m.-6:52 p.m.

Nonstop1h 42m

C$ 401

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 17/1

9:40 a.m.-8:18 p.m.

1 stop10h 38m

Washington, D.C. Dulles Intl

Sun 25/1

9:18 a.m.-11:58 p.m.

1 stop14h 40m

C$ 404

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 October is, on average, the cheapest month to fly to District of Columbia from Region of Ontario, with most prices found around C$ 293. If you aren’t able to travel during the month of October, then book flights to District of Columbia from Region of Ontario during April instead. Flights to District of Columbia in April, while not as cheap as those in October, still average around C$ 303.

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$ 596. 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$ 927.

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$ 516. At noon is when there is more demand to fly to District of Columbia, so prices are often more expensive at around C$ 872 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$ 398 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$ 331 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 12% 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$ 163
Fastest flight time	1h 25m
Direct flights	Every day
Airports in District of Columbia	2 airports

The best one-way flight to District of Columbia from Region of Ontario in the past 72 hours is C$ 163. The best round-trip flight deal from Region of Ontario to District of Columbia found on momondo in the last 72 hours is C$ 267.

The fastest flight from Region of Ontario to District of Columbia takes 1h 25m

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

There are 2 airports in District of Columbia. From Region of Ontario there are direct flights to 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 December 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 (29.17% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (23.22%), Embraer 175 (13.39%), and Canadair (Bombardier) Regional Jet 900 (12.01%).

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$ 184	Free Cancellation	Rating 8.0 399 reviews	Search Porter Airlines flights
American Airlines	PriceFrom C$ 199	Free Cancellation	Rating 7.2 11,055 reviews	Search American Airlines flights
Air Transat	PriceFrom C$ 209	Free Cancellation	Rating 7.8 483 reviews	Search Air Transat flights
Air Canada	PriceFrom C$ 238	Free Cancellation	Rating 7.1 10,534 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 260	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
Delta	PriceFrom C$ 309	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
WestJet	PriceFrom C$ 382	Free Cancellation	Rating 7.2 3,203 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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Popular Cities in District of Columbia

Flights to Fort Lauderdalefrom C$ 153

Flights to Orlandofrom C$ 163

Flights to New Yorkfrom C$ 249

Flights to Las Vegasfrom C$ 125

Flights to Los Angelesfrom C$ 158

Flights to Miamifrom C$ 285

Flights to San Franciscofrom C$ 134

Flights to Honolulufrom C$ 331

Flights to Phoenixfrom C$ 154

Flights to Tampafrom C$ 198

Flights to Chicagofrom C$ 182

Flights to Houstonfrom C$ 186

District of Columbia flight routes

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

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

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

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

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

Cheap flights from Ontario to District of Columbia from C$ 175

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 14/1. 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 Ontario to District of Columbia

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Porter Airlines flights from Region of Ontario to District of Columbia

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

Air Canada flights from Region of Ontario to District of Columbia

Our best Air Canada 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

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 12% 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 United 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 December 2025, 51 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 35% of daily flights taking off at noon.

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

359 flights are operational weekly from Region of Ontario to District of Columbia as of December 2025. 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 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