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Cheap flights from Washington, D.C. Reagan-National Airport to Ontario from $93

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Ontario departing on 3/5. 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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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:40 am - 11:17 am
DCA
-
YYZ
1h 37mnonstop
Air Canada Logo
6:10 pm - 7:45 pm
YYZ
-
DCA
1h 35mnonstop
$184Air Canada
Thu, Feb 26 - Sun, Mar 1
Air Canada Logo
9:40 am - 11:17 am
DCA
-
YYZ
1h 37mnonstop
Air Canada Logo
8:15 am - 12:19 pm
YYZ
-
DCA
4h 04m
1 stop
$185Air Canada
Thu, Feb 26 - Sun, Mar 1
Air Canada Logo
12:55 pm - 7:26 pm
DCA
-
YYZ
6h 31m
1 stop
Air Canada Logo
9:00 pm - 10:35 pm
YYZ
-
DCA
1h 35mnonstop
$192Air Canada
Thu, Mar 19 - Thu, Mar 26
Air Canada Logo
12:55 pm - 7:26 pm
DCA
-
YYZ
6h 31m
1 stop
Air Canada Logo
8:15 am - 12:19 pm
YYZ
-
DCA
4h 04m
1 stop
$193Air Canada
Thu, Mar 19 - Thu, Mar 26
Air Canada Logo
6:50 pm - 8:27 pm
DCA
-
YYZ
1h 37mnonstop
Air Canada Logo
7:20 am - 8:53 am
YYZ
-
DCA
1h 33mnonstop
$212Air Canada
Mon, Mar 2 - Fri, May 1
Air Canada Logo
12:55 pm - 7:26 pm
DCA
-
YYZ
6h 31m
1 stop
Air Canada Logo
6:10 pm - 7:45 pm
YYZ
-
DCA
1h 35mnonstop
$218Air Canada
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
6:00 pm - 10:05 pm
DCA
-
YOW
4h 05m
1 stop
United Airlines Logo
3:10 pm - 9:31 pm
YOW
-
DCA
6h 21m
1 stop
$371United Airlines
Sat, Apr 11 - Mon, Apr 13
United Airlines Logo
9:05 am - 1:32 pm
DCA
-
YOW
4h 27m
1 stop
United Airlines Logo
5:20 pm - 10:43 pm
YOW
-
DCA
5h 23m
1 stop
$381United Airlines
Fri, Mar 27 - Mon, Apr 6
Multiple Airlines Logo
7:25 am - 7:59 pm
DCA
-
YTS
12h 34m
2 stops
Multiple Airlines Logo
8:00 am - 9:29 pm
YTS
-
DCA
13h 29m
2 stops
$886Multiple Airlines
Fri, Mar 20 - Fri, Mar 27
Porter Airlines Logo
3:00 pm - 3:46 pm
DCA
-
YQG
24h 46m
2 stops
Porter Airlines Logo
4:30 pm - 12:44 pm
YQG
-
DCA
20h 14m
2 stops
$1,427Porter Airlines
Fri, Jun 19 - Sun, Jun 21

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
Feb 26
DCA9:40 amWashington, D.C. Reagan-National
1h 37m
YYZ11:17 amToronto Pearson Intl
Mar 1
YYZ6:10 pmToronto Pearson Intl
1h 35m
DCA7:45 pmWashington, D.C. Reagan-National
$184
Air Canada
Feb 26
DCA9:40 amWashington, D.C. Reagan-National
1h 37m
YYZ11:17 amToronto Pearson Intl
Mar 1
YYZ8:15 amToronto Pearson Intl
4h 04m
1 stop
DCA12:19 pmWashington, D.C. Reagan-National
$185
Air Canada
Mar 19
DCA12:55 pmWashington, D.C. Reagan-National
6h 31m
1 stop
YYZ7:26 pmToronto Pearson Intl
Mar 26
YYZ9:00 pmToronto Pearson Intl
1h 35m
DCA10:35 pmWashington, D.C. Reagan-National
$192

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
Feb 18
DCA10:08 amWashington, D.C. Reagan-National
1h 43m
YYZ11:51 amToronto Pearson Intl
Feb 22
YYZ10:59 amToronto Pearson Intl
1h 41m
DCA12:40 pmWashington, D.C. Reagan-National
$397
Porter Airlines
Feb 16
DCA10:08 amWashington, D.C. Reagan-National
1h 43m
YYZ11:51 amToronto Pearson Intl
Feb 19
YYZ5:22 pmToronto Pearson Intl
1h 50m
DCA7:12 pmWashington, D.C. Reagan-National
$436
Porter Airlines
Feb 11
DCA10:12 amWashington, D.C. Reagan-National
1h 47m
YYZ11:59 amToronto Pearson Intl
Feb 15
YYZ10:59 amToronto Pearson Intl
1h 41m
DCA12:40 pmWashington, D.C. Reagan-National
$457

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Region of Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 4, 2026.
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

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 2/26

9:40 am-11:17 am

Nonstop1h 37m

Toronto Pearson Intl

Sun 3/1

6:10 pm-7:45 pm

Nonstop1h 35m

$184

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 2/26

9:40 am-11:17 am

Nonstop1h 37m

Toronto Pearson Intl

Sun 3/1

8:15 am-12:19 pm

1 stop4h 04m

$185

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 3/19

12:55 pm-7:26 pm

1 stop6h 31m

Toronto Pearson Intl

Thu 3/26

9:00 pm-10:35 pm

Nonstop1h 35m

$192

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 3/19

12:55 pm-7:26 pm

1 stop6h 31m

Toronto Pearson Intl

Thu 3/26

8:15 am-12:19 pm

1 stop4h 04m

$193

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Mon 3/2

6:50 pm-8:27 pm

Nonstop1h 37m

Toronto Pearson Intl

Fri 5/1

7:20 am-8:53 am

Nonstop1h 33m

$212

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Mon 3/2

12:55 pm-7:26 pm

1 stop6h 31m

Toronto Pearson Intl

Mon 3/9

6:10 pm-7:45 pm

Nonstop1h 35m

$218

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 4/11

6:00 pm-10:05 pm

1 stop4h 05m

Ottawa

Mon 4/13

3:10 pm-9:31 pm

1 stop6h 21m

$371

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 3/27

9:05 am-1:32 pm

1 stop4h 27m

Ottawa

Mon 4/6

5:20 pm-10:43 pm

1 stop5h 23m

$381

Washington, D.C.Timmins

DCA - YTS

DCAYTS

Washington, D.C. Reagan-National

Fri 3/20

7:25 am-7:59 pm

2 stops12h 34m

Timmins

Fri 3/27

8:00 am-9:29 pm

2 stops13h 29m

$886

Washington, D.C.Windsor

DCA - YQG

DCAYQG

Washington, D.C. Reagan-National

Fri 6/19

3:00 pm-3:46 pm

2 stops24h 46m

Windsor

Sun 6/21

4:30 pm-12:44 pm

2 stops20h 14m

$1,427

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ontario from

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

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 $255. 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 $263.

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 $457. 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 $601. 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 at noon. momondo users have found flights departing from Washington, D.C. Reagan-National Airport to Region of Ontario at noon for as low as $368. 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 $577.

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 to Region of 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 $341 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 $235 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Reagan-National 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 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

$174

Fastest flight time

1h 27m

Direct flights

Every day

Airports in Region of Ontario

123 airports
The best one-way flight to Region of Ontario from Washington, D.C. Reagan-National Airport in the past 72 hours is $174. 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 $317.
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 123 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

  • 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?

  • 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?

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 AirlinesPriceFrom $108Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Air CanadaPriceFrom $144Free CancellationRating
7.1
10,688 reviews
Search Air Canada flights
American AirlinesPriceFrom $262Free CancellationRating
7.2
11,222 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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