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?

American Airlines, Air Canada, and Delta 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 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.

$90 Cheap Flights from Washington, D.C. Reagan-National Airport to Region of Ontario in 2026/27

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

154 flights are operational weekly from Washington, D.C. Reagan-National Airport to Region of Ontario as of September 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

Discover deals from 900+ travel sites with momondo.

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.

6:55 pm - 8:28 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 33mnonstop

8:05 am - 12:19 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

4h 14m1 stop Ottawa

$195Air Canada

Thu, Oct 29 - Sun, Nov 1

6:00 am - 11:45 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

5h 45m1 stop Montreal Pierre Elliott Trudeau Intl

8:05 am - 12:19 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

4h 14m1 stop Ottawa

$197Air Canada

Thu, Oct 29 - Sun, Nov 1

10:13 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 46mnonstop

5:14 pm - 7:13 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 59mnonstop

$224American Airlines

Wed, Oct 28 - Wed, Nov 4

2:40 pm - 4:33 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 53mnonstop

12:42 pm - 2:25 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mnonstop

$224American Airlines

Mon, Nov 23 - Fri, Nov 27

6:00 am - 11:43 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

5h 43m1 stop Newark

2:45 pm - 10:52 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

8h 07m1 stop Chicago O'Hare Intl

$235United Airlines

Tue, Oct 20 - Tue, Oct 20

6:05 am - 1:24 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

7h 19m1 stop New York LaGuardia

2:35 pm - 6:52 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

4h 17m1 stop New York LaGuardia

$249Delta

Fri, Nov 20 - Sun, Nov 22

9:40 am - 5:20 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

7h 40m1 stop Detroit Metropolitan Wayne County

6:00 am - 11:35 amYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

5h 35m1 stop Detroit Metropolitan Wayne County

$249Delta

Thu, Dec 3 - Sun, Dec 6

8:30 am - 3:46 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

7h 16m1 stop Chicago O'Hare Intl

7:00 am - 1:08 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

6h 08m1 stop Chicago O'Hare Intl

$260United Airlines

Wed, Oct 7 - Sun, Oct 11

11:56 am - 1:38 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 42mnonstop

5:29 pm - 7:17 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

$346Porter Airlines

Tue, Sep 29 - Tue, Oct 6

11:56 am - 1:38 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 42mnonstop

5:29 pm - 7:17 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

$346Porter Airlines

Wed, Sep 30 - Tue, Oct 6

Cheap last minute flights

Enter your travel dates to find the best prices.

10:15 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 44mnonstop

5:27 pm - 7:15 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

$321American Airlines

Tue, Sep 22 - Wed, Sep 30

11:51 am - 1:33 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 42mnonstop

2:15 pm - 3:59 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 44mnonstop

$321American Airlines

Sat, Sep 19 - Sat, Sep 26

6:59 am - 8:35 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 36mnonstop

6:25 pm - 7:59 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$321Air Canada

Wed, Sep 23 - Tue, Oct 6

8:40 pm - 10:11 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 31mnonstop

8:00 am - 12:14 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

4h 14m1 stop Ottawa

$326Air Canada

Tue, Sep 22 - Wed, Sep 30

5:35 pm - 10:59 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

5h 24m1 stop Detroit Metropolitan Wayne County

4:05 pm - 11:02 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

6h 57m1 stop Detroit Metropolitan Wayne County

$346Delta

Mon, Sep 21 - Mon, Sep 28

8:25 am - 4:13 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

7h 48m1 stop New York LaGuardia

4:05 pm - 11:02 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

6h 57m1 stop Detroit Metropolitan Wayne County

$346Delta

Sun, Sep 20 - Sat, Sep 26

3:00 pm - 4:45 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 45mnonstop

5:27 pm - 7:15 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

$400Porter Airlines

Wed, Sep 23 - Wed, Sep 30

11:56 am - 1:38 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 42mnonstop

5:27 pm - 7:15 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

$421Porter Airlines

Tue, Sep 22 - Sat, Sep 26

6:55 pm - 8:26 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 31mnonstop

8:55 pm - 10:34 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 39mnonstop

$570United Airlines

Sat, Sep 19 - Mon, Sep 28

7:10 pm - 11:59 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

4h 49m1 stop Chicago O'Hare Intl

8:55 pm - 10:34 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 39mnonstop

$580United Airlines

Sat, Sep 19 - Mon, Sep 28

Cheap direct flights

Enter your travel dates to find the best prices.

6:59 am - 8:32 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 33mnonstop

7:20 am - 8:58 amYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 38mnonstop

$198Air Canada

Thu, Oct 29 - Sun, Nov 1

6:59 am - 8:35 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 36mnonstop

8:55 pm - 10:34 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 39mnonstop

$201Air Canada

Thu, Oct 15 - Sat, Oct 17

10:13 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 46mnonstop

5:14 pm - 7:13 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 59mnonstop

$224American Airlines

Wed, Oct 28 - Wed, Nov 4

2:40 pm - 4:33 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 53mnonstop

12:42 pm - 2:25 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mnonstop

$224American Airlines

Mon, Nov 23 - Fri, Nov 27

11:56 am - 1:38 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 42mnonstop

5:29 pm - 7:17 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

$346Porter Airlines

Tue, Sep 29 - Tue, Oct 6

11:56 am - 1:38 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 42mnonstop

5:29 pm - 7:17 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

$346Porter Airlines

Wed, Sep 30 - Tue, Oct 6

9:40 am - 11:13 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 33mnonstop

6:20 pm - 7:58 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 38mnonstop

$396United Airlines

Wed, Nov 18 - Wed, Nov 18

4:20 pm - 6:13 pmDCA Washington, D.C. Reagan-National-YUL Montreal Pierre Elliott Trudeau Intl

1h 53mnonstop

8:00 pm - 9:50 pmYUL Montreal Pierre Elliott Trudeau Intl-DCA Washington, D.C. Reagan-National

1h 50mnonstop

$439United Airlines

Sat, Oct 10 - Sat, Oct 17

11:05 am - 12:46 pmDCA Washington, D.C. Reagan-National-YUL Montreal Pierre Elliott Trudeau Intl

1h 41mnonstop

8:30 am - 10:29 amYUL Montreal Pierre Elliott Trudeau Intl-DCA Washington, D.C. Reagan-National

1h 59mnonstop

$541Multiple Airlines

Thu, Oct 29 - Sun, Nov 1

11:05 am - 12:46 pmDCA Washington, D.C. Reagan-National-YUL Montreal Pierre Elliott Trudeau Intl

1h 41mnonstop

8:30 am - 10:29 amYUL Montreal Pierre Elliott Trudeau Intl-DCA Washington, D.C. Reagan-National

1h 59mnonstop

$543Multiple Airlines

Thu, Oct 29 - Sun, Nov 1

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

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

Air Canada

Oct 29

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

1h 33m

YYZ8:28 pmToronto Pearson Intl

Nov 1

YYZ8:05 amToronto Pearson Intl

4h 14m

1 stop

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

$195

Air Canada

Oct 29

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

5h 45m

1 stop

YYZ11:45 amToronto Pearson Intl

Nov 1

YYZ8:05 amToronto Pearson Intl

4h 14m

1 stop

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

$197

Air Canada

Oct 29

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

4h 46m

1 stop

YYZ10:46 amToronto Pearson Intl

Nov 5

YYZ9:00 pmToronto Pearson Intl

1h 38m

DCA10:38 pmWashington, D.C. Reagan-National

$198

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

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

Porter Airlines

Sep 30

DCA11:56 amWashington, D.C. Reagan-National

1h 42m

YYZ1:38 pmToronto Pearson Intl

Oct 3

YYZ5:27 pmToronto Pearson Intl

1h 48m

DCA7:15 pmWashington, D.C. Reagan-National

$351

Porter Airlines

Jan 5

DCA2:52 pmWashington, D.C. Reagan-National

8h 02m

1 stop

YQT10:54 pmThunder Bay

Jan 7

YQT6:20 amThunder Bay

8h 27m

1 stop

DCA2:47 pmWashington, D.C. Reagan-National

$756

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 Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Thu 10/29

6:55 pm-8:28 pm

Nonstop1h 33m

Toronto Pearson Intl

Sun 11/1

8:05 am-12:19 pm

1 stop4h 14m

$195

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Thu 10/29

6:00 am-11:45 am

1 stop5h 45m

Toronto Pearson Intl

Sun 11/1

8:05 am-12:19 pm

1 stop4h 14m

$197

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Wed 10/28

10:13 am-11:59 am

Nonstop1h 46m

Toronto Pearson Intl

Wed 11/4

5:14 pm-7:13 pm

Nonstop1h 59m

$224

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Mon 11/23

2:40 pm-4:33 pm

Nonstop1h 53m

Toronto Pearson Intl

Fri 11/27

12:42 pm-2:25 pm

Nonstop1h 43m

$224

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Tue 10/20

6:00 am-11:43 am

1 stop5h 43m

Toronto Pearson Intl

Tue 10/20

2:45 pm-10:52 pm

1 stop8h 07m

$235

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Fri 11/20

6:05 am-1:24 pm

1 stop7h 19m

Toronto Pearson Intl

Sun 11/22

2:35 pm-6:52 pm

1 stop4h 17m

$249

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Thu 12/3

9:40 am-5:20 pm

1 stop7h 40m

Toronto Pearson Intl

Sun 12/6

6:00 am-11:35 am

1 stop5h 35m

$249

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Wed 10/7

8:30 am-3:46 pm

1 stop7h 16m

Toronto Pearson Intl

Sun 10/11

7:00 am-1:08 pm

1 stop6h 08m

$260

Quickest round-trip

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Tue 9/29

11:56 am-1:38 pm

Nonstop1h 42m

Toronto Pearson Intl

Tue 10/6

5:29 pm-7:17 pm

Nonstop1h 48m

$346

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Wed 9/30

11:56 am-1:38 pm

Nonstop1h 42m

Toronto Pearson Intl

Tue 10/6

5:29 pm-7:17 pm

Nonstop1h 48m

$346

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 April is, on average, the cheapest month to fly to Region of Ontario from Washington, D.C. Reagan-National Airport, with most prices found around $313. If you aren’t able to travel during the month of April, then book flights to Region of Ontario from Washington, D.C. Reagan-National Airport during March instead. Flights to Region of Ontario in March, while not as cheap as those in April, still average around $328.

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 $465. 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 $701. 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 $407. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $567.

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

Fly from Washington, D.C. Reagan-National to Ottawa 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 $348 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 $292 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	$90
Fastest flight time	1h 26m
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 $90. 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 $195.

The fastest flight from Washington, D.C. Reagan-National Airport to Region of Ontario takes 1h 26m

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).

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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 September 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 31.61% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 15.33%, Embraer 175 at 11.70%, and Canadair (Bombardier) Regional Jet 700 at 9.02%.

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 $129	Free Cancellation	Rating 7.4 10,214 reviews	Search United Airlines flights
Air Canada	PriceFrom $160	Free Cancellation	Rating 7.1 11,640 reviews	Search Air Canada flights
Porter Airlines	PriceFrom $176	Free Cancellation	Rating 8.0 462 reviews	Search Porter Airlines flights
American Airlines	PriceFrom $263	Free Cancellation	Rating 7.1 12,076 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 $155

Flights to Vancouverfrom $150

Flights to Montrealfrom $225

Flights to Calgaryfrom $163

Flights to Ottawafrom $217

Flights to Halifaxfrom $262

Flights to Winnipegfrom $207

Flights to Québec Cityfrom $294

Flights to Kelownafrom $204

Flights to St. John'sfrom $367

Flights to Saskatoonfrom $238

Flights to Reginafrom $233

Cheap flights from Washington, D.C. Reagan-National Airport to Ontario from $90

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

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

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

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

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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

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.

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