What airlines fly to Region of Ontario?

Air Canada, American Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from Washington, D.C. Reagan-National Airport according to our data. Air Canada is the first choice among our users, with 62% of people opting to fly with this airline when traveling 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.

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

Air Canada, Delta, and United Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to Ontario

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Ontario?

Prices for flights from Washington, D.C. Reagan-National Airport to Ontario are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Ontario?

There are 4 operators available for flights from Washington, D.C. Reagan-National Airport to Ontario as of May 2026.

How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Ontario?

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 Washington, D.C. Reagan-National Airport to Ontario.

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

The travel and health documents you'll need for your trip to Ontario 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 Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$97 Cheap Flights from Washington, D.C. Reagan-National Airport to Region of Ontario in 2026

Q: How many flights depart from Washington, D.C. Reagan-National Airport to Region of Ontario on average per day?

As of May 2026, there are 17 flights per day flying from Washington, D.C. Reagan-National Airport to Region of Ontario. The most common time of day flights depart is 10:00AM, with 45% of flights taking off at noon.

Q: How many flights depart from Washington, D.C. Reagan-National Airport to Region of Ontario on average per week?

122 flights are operational weekly from Washington, D.C. Reagan-National Airport to Region of Ontario as of May 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:45 pm - 6:22 pm

DCA

YTZ

5h 37m

1 stop

8:20 am - 12:00 pm

YTZ

DCA

3h 40m

1 stop

$196Air Canada

Sun, Jun 14 - Thu, Jun 25

12:45 pm - 6:22 pm

DCA

YTZ

5h 37m

1 stop

8:20 am - 12:00 pm

YTZ

DCA

3h 40m

1 stop

$197Air Canada

Sun, Jun 14 - Thu, Jun 25

12:45 pm - 7:20 pm

DCA

YYZ

6h 35m

1 stop

4:40 pm - 6:12 pm

YYZ

DCA

1h 32mnonstop

$206Air Canada

Sun, Jun 14 - Thu, Jun 25

12:45 pm - 7:20 pm

DCA

YYZ

6h 35m

1 stop

7:20 am - 8:52 am

YYZ

DCA

1h 32mnonstop

$208Air Canada

Sun, Jun 14 - Thu, Jun 25

6:55 pm - 8:27 pm

DCA

YYZ

1h 32mnonstop

7:20 am - 8:52 am

YYZ

DCA

1h 32mnonstop

$209Air Canada

Sun, Jun 14 - Thu, Jun 25

6:00 am - 10:38 am

DCA

YYZ

4h 38m

1 stop

7:20 am - 8:52 am

YYZ

DCA

1h 32mnonstop

$210Air Canada

Sun, Jun 14 - Thu, Jun 25

6:00 am - 10:35 am

DCA

YYZ

4h 35m

1 stop

8:55 pm - 10:31 pm

YYZ

DCA

1h 36mnonstop

$219Air Canada

Sat, Jun 20 - Mon, Jun 22

6:55 pm - 8:27 pm

DCA

YYZ

1h 32mnonstop

7:20 am - 8:52 am

YYZ

DCA

1h 32mnonstop

$223Air Canada

Sun, Jun 14 - Thu, Jun 25

6:00 am - 12:20 am

DCA

YOW

18h 20m

2 stops

2:45 pm - 9:55 pm

YOW

DCA

7h 10m

1 stop

$423Multiple Airlines

Sat, May 30 - Fri, Jun 5

6:00 am - 7:39 pm

DCA

YHM

13h 39m

2 stops

3:50 pm - 12:00 pm

YHM

DCA

20h 10m

3 stops

$613Multiple Airlines

Mon, Jun 29 - Mon, Jul 6

Delta flights from Washington, D.C. Reagan-National Airport to Region of Ontario

Our best Delta deals on Washington, D.C. Reagan-National Airport to Region of Ontario flight tickets

Delta

Jun 3

DCA6:05 amWashington, D.C. Reagan-National

7h 25m

1 stop

YYZ1:30 pmToronto Pearson Intl

Jun 9

YYZ6:14 pmToronto Pearson Intl

4h 45m

1 stop

DCA10:59 pmWashington, D.C. Reagan-National

$271

Delta

Jun 16

DCA1:30 pmWashington, D.C. Reagan-National

5h 24m

1 stop

YUL6:54 pmMontreal Pierre Elliott Trudeau Intl

Jun 24

YUL12:48 pmMontreal Pierre Elliott Trudeau Intl

9h 59m

1 stop

DCA10:47 pmWashington, D.C. Reagan-National

$336

Delta

Jun 16

DCA4:00 pmWashington, D.C. Reagan-National

7h 55m

1 stop

YUL11:55 pmMontreal Pierre Elliott Trudeau Intl

Jun 19

YUL12:48 pmMontreal Pierre Elliott Trudeau Intl

9h 59m

1 stop

DCA10:47 pmWashington, D.C. Reagan-National

$347

American Airlines flights from Washington, D.C. Reagan-National Airport to Region of Ontario

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Region of Ontario flight tickets

American Airlines

Jun 9

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

1h 45m

YYZ11:59 amToronto Pearson Intl

Jun 13

YYZ5:29 pmToronto Pearson Intl

1h 50m

DCA7:19 pmWashington, D.C. Reagan-National

$286

American Airlines

Jun 6

DCA5:22 pmWashington, D.C. Reagan-National

6h 36m

1 stop

YYZ11:58 pmToronto Pearson Intl

Jun 20

YYZ5:29 pmToronto Pearson Intl

1h 50m

DCA7:19 pmWashington, D.C. Reagan-National

$291

American Airlines

Jun 6

DCA5:22 pmWashington, D.C. Reagan-National

6h 36m

1 stop

YYZ11:58 pmToronto Pearson Intl

Jun 8

YYZ5:29 pmToronto Pearson Intl

1h 50m

DCA7:19 pmWashington, D.C. Reagan-National

$297

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport 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

Sun 6/14

12:45 pm-6:22 pm

1 stop5h 37m

Toronto Island

Thu 6/25

8:20 am-12:00 pm

1 stop3h 40m

$196

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Sun 6/14

12:45 pm-6:22 pm

1 stop5h 37m

Toronto Island

Thu 6/25

8:20 am-12:00 pm

1 stop3h 40m

$197

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sun 6/14

12:45 pm-7:20 pm

1 stop6h 35m

Toronto Pearson Intl

Thu 6/25

4:40 pm-6:12 pm

Nonstop1h 32m

$206

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sun 6/14

12:45 pm-7:20 pm

1 stop6h 35m

Toronto Pearson Intl

Thu 6/25

7:20 am-8:52 am

Nonstop1h 32m

$208

Quickest round-trip

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sun 6/14

6:55 pm-8:27 pm

Nonstop1h 32m

Toronto Pearson Intl

Thu 6/25

7:20 am-8:52 am

Nonstop1h 32m

$209

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sun 6/14

6:00 am-10:38 am

1 stop4h 38m

Toronto Pearson Intl

Thu 6/25

7:20 am-8:52 am

Nonstop1h 32m

$210

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 6/20

6:00 am-10:35 am

1 stop4h 35m

Toronto Pearson Intl

Mon 6/22

8:55 pm-10:31 pm

Nonstop1h 36m

$219

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sun 6/14

6:55 pm-8:27 pm

Nonstop1h 32m

Toronto Pearson Intl

Thu 6/25

7:20 am-8:52 am

Nonstop1h 32m

$223

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 5/30

6:00 am-12:20 am

2 stops18h 20m

Ottawa

Fri 6/5

2:45 pm-9:55 pm

1 stop7h 10m

$423

Washington, D.C.Hamilton

DCA - YHM

DCAYHM

Washington, D.C. Reagan-National

Mon 6/29

6:00 am-7:39 pm

2 stops13h 39m

Hamilton

Mon 7/6

3:50 pm-12:00 pm

3 stops20h 10m

$613

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 Washington, D.C. Reagan-National Airport 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 August is, on average, the cheapest month to fly to Region of Ontario from Washington, D.C. Reagan-National Airport, with most prices found around $73. If you aren’t able to travel during the month of August, then book flights to Region of Ontario from Washington, D.C. Reagan-National Airport during July instead. Flights to Region of Ontario in July, while not as cheap as those in August, still average around $88.

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. Reagan-National Airport. The lowest ticket price found for a Friday departure recently was $456. 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. Reagan-National Airport to Region of Ontario on a Monday will generally be more expensive and average around $673. 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 evening. momondo users have found flights departing from Washington, D.C. Reagan-National Airport to Region of Ontario in the evening for as low as $397. 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 afternoon are often more expensive with an average ticket price of $549.

What is the cheapest Washington, D.C. Reagan-National to Ontario flight route?

Fly from Washington, D.C. Reagan-National to Toronto Pearson Intl for the best Washington, D.C. Reagan-National - Ontario flight prices

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to Ontario?

You are more likely to see cheaper flights to Region of Ontario from Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $357 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. Reagan-National Airport for as low as $285 on momondo.

What cabin class options are available on Washington, D.C. Reagan-National Airport to Region of Ontario flights?

There are 4 cabin classes available to choose from on Washington, D.C. Reagan-National Airport to Region of 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. Reagan-National Airport to Region of Ontario flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Reagan-National Airport to Region of Ontario.

Cheap Washington, D.C. Reagan-National Airport to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Region of Ontario

Best Price Found	$124
Fastest flight time	1h 27m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from Washington, D.C. Reagan-National Airport in the past 72 hours is $124. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Region of Ontario found on momondo in the last 72 hours is $171.

The fastest flight from Washington, D.C. Reagan-National Airport to Region of Ontario takes 1h 27m

Direct flights go from Washington, D.C. Reagan-National Airport to Region of Ontario every day.

There are 125 airports in Region of Ontario. From Washington, D.C. Reagan-National Airport there are direct flights to Ottawa (YOW), Toronto Pearson Intl (YYZ).

Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Ontario

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Ontario?
Prices for flights from Washington, D.C. Reagan-National Airport to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Ontario?
There are 4 operators available for flights from Washington, D.C. Reagan-National Airport to Ontario as of May 2026.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Ontario?
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 Washington, D.C. Reagan-National Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents you'll need for your trip to Ontario 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 Ontario. 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 Washington, D.C. Reagan-National Airport to Region of Ontario?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. Reagan-National Airport to Region of Ontario is De Havilland (Bombardier) DHC-8-400 Dash 8Q, representing 21.32% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 900 at 15.84%, Embraer 175 at 12.19%, and Embraer 175 (Enhanced Winglets) at 11.73%.

Best airlines flying from Washington, D.C. Reagan-National Airport to Region of Ontario

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $139	Free Cancellation	Rating 7.4 9,742 reviews	Search United Airlines flights
Air Canada	PriceFrom $187	Free Cancellation	Rating 7.1 11,066 reviews	Search Air Canada flights
Porter Airlines	PriceFrom $187	Free Cancellation	Rating 8.0 439 reviews	Search Porter Airlines flights
American Airlines	PriceFrom $268	Free Cancellation	Rating 7.1 11,644 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Ontario?

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 Washington, D.C. to Ontario for you.

Can I find flights from Washington, D.C. to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Washington, D.C. with this policy.

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?

Of course. momondo tracks the price of Washington, D.C. to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular cities in Ontario

Flights to Torontofrom $154

Flights to Vancouverfrom $152

Flights to Montrealfrom $188

Flights to Calgaryfrom $200

Flights to Ottawafrom $236

Flights to Halifaxfrom $236

Flights to Winnipegfrom $275

Flights to Québec Cityfrom $429

Flights to Saskatoonfrom $279

Flights to Kelownafrom $264

Flights to St. John'sfrom $323

Flights to Reginafrom $386

Cheap flights from Washington, D.C. Reagan-National Airport to Ontario from $97

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Ontario

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Delta flights from Washington, D.C. Reagan-National Airport to Region of Ontario

Our best Delta deals on Washington, D.C. Reagan-National Airport to Region of Ontario flight tickets

American Airlines flights from Washington, D.C. Reagan-National Airport to Region of Ontario

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Region of Ontario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ontario that are best for you.

See travel insights to Ontario from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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. Reagan-National to Ontario flight route?

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to Ontario?

What cabin class options are available on Washington, D.C. Reagan-National Airport to Region of Ontario flights?

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

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

What airlines fly to Region of Ontario?

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

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

Cheap Washington, D.C. Reagan-National Airport to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Region of Ontario

Best Price Found

Fastest flight time

Direct flights

Airports in Region of Ontario

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Ontario

Best airlines flying from Washington, D.C. Reagan-National Airport to Region of Ontario

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport 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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