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 District of Columbia according to our data. Air Canada is the first choice among our users, with 56% 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.

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

The number of flights available between District of Columbia and Region of Ontario is 397 per week as of October 2025. The most frequent departure day is Sun, with 15% of weekly flights leaving on this day.

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

Porter Airlines, American Airlines, and United Airlines are the most popular carriers operating from District of Columbia to Ontario

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

As of October 2025, there are 56 flights per day flying from District of Columbia to Region of Ontario. The most common time of day flights depart is 12:00PM, with 56% of flights taking off in the afternoon.

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

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

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

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from District of Columbia 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.

$103 Cheap Flights from District of Columbia to Ontario in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 pm - 8:00 pmIAD-YTZ

1h 30mnonstop

8:55 am - 10:24 amYTZ-IAD

1h 29mnonstop

$211Porter Airlines

Find Deal

Tue, Nov 11 - Sun, Nov 16

12:55 pm - 5:36 pmDCA-YYZ

4h 41m1 stop

6:10 pm - 7:45 pmYYZ-DCA

1h 35mnonstop

$211Air 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

$212Porter Airlines

Find Deal

Fri, Nov 7 - Mon, Nov 10

6:00 am - 10:49 amDCA-YYZ

4h 49m1 stop

8:15 am - 12:19 pmYYZ-DCA

4h 04m1 stop

$214Air Canada

Find Deal

Tue, Feb 24 - Fri, Feb 27

10:11 pm - 11:46 pmIAD-YYZ

1h 35mnonstop

7:40 pm - 9:20 pmYYZ-IAD

1h 40mnonstop

$262United Airlines

Find Deal

Sun, Nov 9 - Thu, Nov 13

10:04 am - 11:54 amDCA-YYZ

1h 50mnonstop

10:57 am - 12:33 pmYYZ-DCA

1h 36mnonstop

$262American Airlines

Find Deal

Mon, Nov 10 - Wed, Nov 12

6:00 am - 11:48 amIAD-YYZ

5h 48m1 stop

7:40 pm - 9:20 pmYYZ-IAD

1h 40mnonstop

$272United Airlines

Find Deal

Sun, Nov 9 - Wed, Nov 12

6:59 am - 11:59 amDCA-YYZ

5h 00m1 stop

5:15 pm - 6:59 pmYYZ-DCA

1h 44mnonstop

$272American Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

7:25 pm - 11:39 pmDCA-YYZ

4h 14m1 stop

7:50 am - 4:19 pmYYZ-DCA

8h 29m1 stop

$287Delta

Find Deal

Fri, Nov 7 - Mon, Nov 10

6:05 am - 11:20 amIAD-YYZ

5h 15m1 stop

6:00 am - 11:57 amYYZ-IAD

5h 57m1 stop

$287Delta

Find Deal

Wed, Nov 5 - Sat, Nov 8

Air Canada flights from District of Columbia to Region of Ontario

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

Air Canada

Feb 24

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

4h 41m

1 stop

YYZ5:36 pmToronto Pearson Intl

Feb 27

YYZ6:10 pmToronto Pearson Intl

1h 35m

DCA7:45 pmWashington, D.C. Reagan-National

$211

Find similar

Air Canada

Feb 24

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

4h 49m

1 stop

YYZ10:49 amToronto Pearson Intl

Feb 27

YYZ8:15 amToronto Pearson Intl

4h 04m

1 stop

DCA12:19 pmWashington, D.C. Reagan-National

$214

Find similar

Air Canada

Feb 5

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

5h 18m

1 stop

YTZ6:13 pmToronto Island

Feb 9

YTZ5:30 pmToronto Island

4h 26m

1 stop

DCA9:56 pmWashington, D.C. Reagan-National

$219

Find similar

American Airlines flights from District of Columbia to Region of Ontario

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

American Airlines

Nov 10

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

1h 50m

YYZ11:54 amToronto Pearson Intl

Nov 12

YYZ10:57 amToronto Pearson Intl

1h 36m

DCA12:33 pmWashington, D.C. Reagan-National

$262

Find similar

American Airlines

Oct 31

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

5h 00m

1 stop

YYZ11:59 amToronto Pearson Intl

Nov 7

YYZ5:15 pmToronto Pearson Intl

1h 44m

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

$272

Find similar

American Airlines

Oct 21

DCA10:14 amWashington, D.C. Reagan-National

1h 45m

YYZ11:59 amToronto Pearson Intl

Oct 28

YYZ5:15 pmToronto Pearson Intl

1h 40m

DCA6:55 pmWashington, D.C. Reagan-National

$274

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 11/11

6:30 pm-8:00 pm

Nonstop1h 30m

Toronto Island

Sun 11/16

8:55 am-10:24 am

Nonstop1h 29m

$211

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 2/24

12:55 pm-5:36 pm

1 stop4h 41m

Toronto Pearson Intl

Fri 2/27

6:10 pm-7:45 pm

Nonstop1h 35m

$211

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 11/7

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Mon 11/10

8:55 am-10:24 am

Nonstop1h 29m

$212

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 2/24

6:00 am-10:49 am

1 stop4h 49m

Toronto Pearson Intl

Fri 2/27

8:15 am-12:19 pm

1 stop4h 04m

$214

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sun 11/9

10:11 pm-11:46 pm

Nonstop1h 35m

Toronto Pearson Intl

Thu 11/13

7:40 pm-9:20 pm

Nonstop1h 40m

$262

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Mon 11/10

10:04 am-11:54 am

Nonstop1h 50m

Toronto Pearson Intl

Wed 11/12

10:57 am-12:33 pm

Nonstop1h 36m

$262

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sun 11/9

6:00 am-11:48 am

1 stop5h 48m

Toronto Pearson Intl

Wed 11/12

7:40 pm-9:20 pm

Nonstop1h 40m

$272

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 10/31

6:59 am-11:59 am

1 stop5h 00m

Toronto Pearson Intl

Fri 11/7

5:15 pm-6:59 pm

Nonstop1h 44m

$272

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 11/7

7:25 pm-11:39 pm

1 stop4h 14m

Toronto Pearson Intl

Mon 11/10

7:50 am-4:19 pm

1 stop8h 29m

$287

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 11/5

6:05 am-11:20 am

1 stop5h 15m

Toronto Pearson Intl

Sat 11/8

6:00 am-11:57 am

1 stop5h 57m

$287

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from District of Columbia 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 District of Columbia, 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 District of Columbia 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 District of Columbia. The lowest ticket price found for a Friday departure recently was $351. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from District of Columbia to Region of Ontario on a Sunday will generally be more expensive and average around $557. 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 District of Columbia 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 $718.

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

Fly from Washington, D.C. Reagan-National to Ottawa for the best District of Columbia - 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 District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $328 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 District of Columbia for as low as $250 on momondo.

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

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

No. A direct flight is the cheapest option for a flight between District of Columbia to Region of Ontario.

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

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

Best Price Found	$111
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 District of Columbia in the past 72 hours is $111. The best round-trip flight deal from District of Columbia to Region of Ontario found on momondo in the last 72 hours is $227.

The fastest flight from District of Columbia to Region of Ontario takes 1h 28m

Direct flights go from District of Columbia 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 District of Columbia to Ontario?
Prices for flights from District of Columbia to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from District of Columbia to Ontario?
There are 6 operators available for flights from District of Columbia to Ontario as of October 2025.
How old do you have to be to fly from District of Columbia to Ontario?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from District of Columbia 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 District of Columbia to Region of Ontario?
Based on momondo bookings for flights between District of Columbia and Region of Ontario, the leading plane model is De Havilland (Bombardier) DHC-8-400 Dash 8Q, making up 27.87% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 22.95%, Embraer 175 with 16.04%, and Canadair (Bombardier) Regional Jet 900 with 9.79%.

Best airlines flying from District of Columbia to Region of Ontario

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

Airline	Rating	Free Cancellation	Price
Porter Airlines	PriceFrom $54	Free Cancellation	Rating 7.9 376 reviews	Search Porter Airlines flights
United Airlines	PriceFrom $127	Free Cancellation	Rating 7.4 8,965 reviews	Search United Airlines flights
Air Canada	PriceFrom $145	Free Cancellation	Rating 7.1 10,257 reviews	Search Air Canada flights
Air Transat	PriceFrom $176	Free Cancellation	Rating 7.7 454 reviews	Search Air Transat flights
Delta	PriceFrom $242	Free Cancellation	Rating 7.9 7,968 reviews	Search Delta flights
American Airlines	PriceFrom $254	Free Cancellation	Rating 7.2 11,041 reviews	Search American Airlines flights
WestJet	PriceFrom $278	Free Cancellation	Rating 7.2 3,121 reviews	Search WestJet flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from District of Columbia to Ontario. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for District of Columbia to Ontario flights to just show those with flexible booking policies.

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

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

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from District of Columbia and alert you 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 $97

Flights to Vancouverfrom $84

Flights to Montrealfrom $145

Flights to Calgaryfrom $126

Flights to Ottawafrom $213

Flights to Halifaxfrom $198

Flights to Winnipegfrom $173

Flights to Québec Cityfrom $198

Flights to Saskatoonfrom $144

Flights to Kelownafrom $121

Flights to St. John'sfrom $246

Flights to Reginafrom $189

District of Columbia flight routes

Flights from Washington, D.C. Dulles Intl to Tweed-New Haven

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

Flights from Washington, D.C. Dulles Intl to Asheville Regional

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

Flights from Washington, D.C. Dulles Intl to Atlanta Hartsfield-Jackson

Flights from Washington, D.C. Dulles Intl to Knoxville McGhee Tyson

Cheap flights from District of Columbia to Ontario from $103

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Ontario departing on 10/25. 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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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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Find the cheapest flights from District of Columbia to Ontario

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Air Canada flights from District of Columbia to Region of Ontario

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

American Airlines flights from District of Columbia to Region of Ontario

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

momondo Fare Finder

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

See travel insights to Ontario from

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

Fly from Washington, D.C. Reagan-National to Ottawa for the best District of Columbia - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

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

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

No. A direct flight is the cheapest option for a flight between District of Columbia to Region of Ontario.

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

Porter Airlines, American Airlines, and United Airlines are the most popular carriers operating from District of Columbia to Ontario

What airlines fly to Region of Ontario?

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

As of October 2025, there are 56 flights per day flying from District of Columbia to Region of Ontario. The most common time of day flights depart is 12:00PM, with 56% of flights taking off in the afternoon.

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

The number of flights available between District of Columbia and Region of Ontario is 397 per week as of October 2025. The most frequent departure day is Sun, with 15% of weekly flights leaving on this day.

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

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

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

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

What documentation or ID do you need to fly to Ontario?

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

Best airlines flying from District of Columbia to Region of Ontario

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

Why use momondo?

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

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

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

I’m not ready to book a flight from District of Columbia 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