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Cheap flights from Washington, D.C. Reagan-National Airport to Ontario from $96

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 9/8. 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

Air Canada Logo
12:55 pm - 6:45 pmDCA-YTZ
5h 50m1 stop
Air Canada Logo
10:25 am - 3:51 pmYTZ-DCA
5h 26m1 stop
$204Air Canada
Find Deal
Thu, Sep 18 - Thu, Sep 25
Air Canada Logo
6:00 am - 10:39 amDCA-YYZ
4h 39m1 stop
Air Canada Logo
6:15 am - 10:20 amYYZ-DCA
4h 05m1 stop
$210Air Canada
Find Deal
Thu, Sep 18 - Thu, Sep 25
United Airlines Logo
7:00 am - 1:47 pmDCA-YYZ
6h 47m1 stop
United Airlines Logo
5:15 pm - 10:43 pmYYZ-DCA
5h 28m1 stop
$263United Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 6
United Airlines Logo
7:00 am - 1:09 pmDCA-YUL
6h 09m1 stop
United Airlines Logo
4:55 pm - 10:43 pmYUL-DCA
5h 48m1 stop
$307United Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 6
Delta Logo
1:40 pm - 11:53 pmDCA-YUL
10h 13m1 stop
Delta Logo
6:00 am - 3:00 pmYUL-DCA
9h 00m2 stops
$362Delta
Find Deal
Wed, Aug 20 - Sat, Aug 23
Delta Logo
3:40 pm - 11:28 pmDCA-YUL
7h 48m2 stops
Delta Logo
11:00 am - 7:35 pmYUL-DCA
8h 35m2 stops
$367Delta
Find Deal
Sat, Aug 16 - Tue, Aug 19
WestJet Logo
1:40 pm - 11:53 pmDCA-YUL
10h 13m1 stop
WestJet Logo
12:55 pm - 10:58 pmYUL-DCA
10h 03m1 stop
$372WestJet
Find Deal
Sat, Aug 30 - Fri, Sep 5
WestJet Logo
5:30 pm - 11:08 pmDCA-YUL
5h 38m1 stop
WestJet Logo
6:35 pm - 10:59 pmYUL-DCA
4h 24m1 stop
$379WestJet
Find Deal
Fri, Sep 5 - Tue, Sep 9
Logo
11:00 am - 3:45 pmDCA-YQT
4h 45m1 stop
Logo
5:15 am - 12:08 pmYQT-DCA
6h 53m2 stops
$650
Find Deal
Tue, Sep 9 - Sun, Sep 14
Logo
1:00 pm - 10:46 pmDCA-YQT
9h 46m2 stops
Logo
5:15 am - 12:08 pmYQT-DCA
6h 53m2 stops
$659
Find Deal
Tue, Sep 9 - Sun, Sep 14

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
Sep 18
DCA12:55 pmWashington, D.C. Reagan-National
5h 50m
1 stop
YTZ6:45 pmToronto Island
Sep 25
YTZ10:25 amToronto Island
5h 26m
1 stop
DCA3:51 pmWashington, D.C. Reagan-National
$204
Find similar
Air Canada
Sep 18
DCA6:00 amWashington, D.C. Reagan-National
4h 39m
1 stop
YYZ10:39 amToronto Pearson Intl
Sep 25
YYZ6:15 amToronto Pearson Intl
4h 05m
1 stop
DCA10:20 amWashington, D.C. Reagan-National
$210
Find similar
Air Canada
Sep 4
DCA6:00 amWashington, D.C. Reagan-National
6h 39m
1 stop
YYZ12:39 pmToronto Pearson Intl
Sep 7
YYZ8:00 amToronto Pearson Intl
4h 08m
1 stop
DCA12:08 pmWashington, D.C. Reagan-National
$211
Find similar

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
Aug 17
DCA6:10 amWashington, D.C. Reagan-National
4h 06m
1 stop
YYZ10:16 amToronto Pearson Intl
Aug 19
YYZ10:38 amToronto Pearson Intl
4h 21m
1 stop
DCA2:59 pmWashington, D.C. Reagan-National
$311
Find similar
American Airlines
Aug 18
DCA7:30 amWashington, D.C. Reagan-National
4h 21m
1 stop
YYZ11:51 amToronto Pearson Intl
Aug 24
YYZ7:18 amToronto Pearson Intl
5h 48m
1 stop
DCA1:06 pmWashington, D.C. Reagan-National
$380
Find similar
American Airlines
Aug 16
DCA6:45 amWashington, D.C. Reagan-National
3h 31m
1 stop
YYZ10:16 amToronto Pearson Intl
Aug 16
YYZ5:18 pmToronto Pearson Intl
1h 41m
DCA6:59 pmWashington, D.C. Reagan-National
$395
Find similar

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 August 4, 2025.
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 - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Thu 9/18

12:55 pm-6:45 pm

1 stop5h 50m

Toronto Island

Thu 9/25

10:25 am-3:51 pm

1 stop5h 26m

$204

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 9/18

6:00 am-10:39 am

1 stop4h 39m

Toronto Pearson Intl

Thu 9/25

6:15 am-10:20 am

1 stop4h 05m

$210

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 9/6

7:00 am-1:47 pm

1 stop6h 47m

Toronto Pearson Intl

Sat 9/6

5:15 pm-10:43 pm

1 stop5h 28m

$263

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 9/6

7:00 am-1:09 pm

1 stop6h 09m

Montreal Pierre Elliott Trudeau Intl

Sat 9/6

4:55 pm-10:43 pm

1 stop5h 48m

$307

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Wed 8/20

1:40 pm-11:53 pm

1 stop10h 13m

Montreal Pierre Elliott Trudeau Intl

Sat 8/23

6:00 am-3:00 pm

2 stops9h 00m

$362

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 8/16

3:40 pm-11:28 pm

2 stops7h 48m

Montreal Pierre Elliott Trudeau Intl

Tue 8/19

11:00 am-7:35 pm

2 stops8h 35m

$367

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 8/30

1:40 pm-11:53 pm

1 stop10h 13m

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

12:55 pm-10:58 pm

1 stop10h 03m

$372

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 9/5

5:30 pm-11:08 pm

1 stop5h 38m

Montreal Pierre Elliott Trudeau Intl

Tue 9/9

6:35 pm-10:59 pm

1 stop4h 24m

$379

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Tue 9/9

11:00 am-3:45 pm

1 stop4h 45m

Thunder Bay

Sun 9/14

5:15 am-12:08 pm

2 stops6h 53m

$650

Washington, D.C.Thunder Bay

DCA - YQT

DCAYQT

Washington, D.C. Reagan-National

Tue 9/9

1:00 pm-10:46 pm

2 stops9h 46m

Thunder Bay

Sun 9/14

5:15 am-12:08 pm

2 stops6h 53m

$659

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 $254. 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 $256.

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 $506. 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 $812. 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 $353. 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 morning are often more expensive with an average ticket price of $714.

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 $326 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 $218 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

$96

Fastest flight time

1h 31m

Direct flights

Every day

Airports in Region of Ontario

4 airports
The best one-way flight to Region of Ontario from Washington, D.C. Reagan-National Airport in the past 72 hours is $96. 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 $204.
The fastest flight from Washington, D.C. Reagan-National Airport to Region of Ontario takes 1h 31m
Direct flights go from Washington, D.C. Reagan-National Airport to Region of Ontario every day.
There are 4 airports near Region of Ontario: Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ), Toronto Island (YTZ)
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
Porter AirlinesPriceFrom $103Free CancellationRating
8.0
321 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $118Free CancellationRating
7.1
9,879 reviews
Search Air Canada flights
United AirlinesPriceFrom $132Free CancellationRating
7.4
8,912 reviews
Search United Airlines flights
American AirlinesPriceFrom $220Free CancellationRating
7.2
10,000 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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