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Cheap flights from Ontario to Rosario from C$ 1,296

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Rosario departing on 7/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ontario to Rosario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
8:30 a.m. - 12:27 a.m.
YYZ
-
ROS
14h 57m
1 stop
Copa Airlines Logo
5:09 a.m. - 1:13 a.m.
ROS
-
YYZ
21h 04m
1 stop
C$ 1,296Copa Airlines
Thu, 7 May - Tue, 12 May
Delta Logo
7:00 a.m. - 6:05 a.m.
YUL
-
ROS
46h 05m
2 stops
Delta Logo
12:10 p.m. - 11:56 p.m.
ROS
-
YUL
36h 46m
2 stops
C$ 1,591Delta
Sat, 19 Sep - Wed, 23 Sep
Multiple Airlines Logo
8:30 a.m. - 7:50 a.m.
YYZ
-
ROS
22h 20m
2 stops
Multiple Airlines Logo
5:09 a.m. - 1:13 a.m.
ROS
-
YYZ
21h 04m
1 stop
C$ 1,702Multiple Airlines
Thu, 7 May - Tue, 12 May
Delta Logo
7:00 a.m. - 6:05 a.m.
YUL
-
ROS
22h 05m
2 stops
Delta Logo
12:10 p.m. - 11:56 p.m.
ROS
-
YUL
36h 46m
2 stops
C$ 1,753Delta
Sat, 19 Sep - Wed, 23 Sep
Multiple Airlines Logo
8:55 a.m. - 7:50 a.m.
YYZ
-
ROS
21h 55m
2 stops
Multiple Airlines Logo
8:15 p.m. - 11:30 p.m.
ROS
-
YYZ
28h 15m
2 stops
C$ 1,800Multiple Airlines
Thu, 7 May - Tue, 12 May
Avianca Logo
5:15 p.m. - 11:15 a.m.
YYZ
-
ROS
41h 00m
3 stops
Avianca Logo
8:15 p.m. - 7:20 a.m.
ROS
-
YYZ
36h 05m
2 stops
C$ 1,879Avianca
Thu, 7 May - Tue, 12 May
Multiple Airlines Logo
7:20 p.m. - 12:13 a.m.
YUL
-
ROS
27h 53m
2 stops
Multiple Airlines Logo
5:09 a.m. - 12:40 a.m.
ROS
-
YUL
20h 31m
1 stop
C$ 2,045Multiple Airlines
Sun, 2 Aug - Sat, 22 Aug
Copa Airlines Logo
8:35 a.m. - 12:13 a.m.
YUL
-
ROS
14h 38m
1 stop
Copa Airlines Logo
5:09 a.m. - 12:40 a.m.
ROS
-
YUL
20h 31m
1 stop
C$ 2,165Copa Airlines
Sun, 2 Aug - Sat, 22 Aug
Multiple Airlines Logo
7:00 a.m. - 6:05 a.m.
YUL
-
ROS
46h 05m
2 stops
Multiple Airlines Logo
8:25 p.m. - 9:35 p.m.
ROS
-
YUL
26h 10m
2 stops
C$ 2,215Multiple Airlines
Sun, 2 Aug - Sat, 22 Aug
Multiple Airlines Logo
7:00 a.m. - 6:05 a.m.
YUL
-
ROS
46h 05m
2 stops
Multiple Airlines Logo
8:25 p.m. - 9:40 p.m.
ROS
-
YUL
26h 15m
3 stops
C$ 2,264Multiple Airlines
Sun, 2 Aug - Sat, 22 Aug

Copa Airlines flights from Region of Ontario to Rosario

Our best Copa Airlines deals on Region of Ontario to Rosario flight tickets
Copa Airlines
7 May
YYZ8:30 a.m.Toronto Pearson Intl
14h 57m
1 stop
ROS12:27 a.m.Rosario Fisherton
12 May
ROS5:09 a.m.Rosario Fisherton
21h 04m
1 stop
YYZ1:13 a.m.Toronto Pearson Intl
C$ 1,296
Copa Airlines
2 Aug
YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl
14h 38m
1 stop
ROS12:13 a.m.Rosario Fisherton
22 Aug
ROS5:09 a.m.Rosario Fisherton
20h 31m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,165

Delta flights from Region of Ontario to Rosario

Our best Delta deals on Region of Ontario to Rosario flight tickets
Delta
19 Sep
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
46h 05m
2 stops
ROS6:05 a.m.Rosario Fisherton
23 Sep
ROS12:10 p.m.Rosario Fisherton
36h 46m
2 stops
YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,591
Delta
19 Sep
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
22h 05m
2 stops
ROS6:05 a.m.Rosario Fisherton
23 Sep
ROS12:10 p.m.Rosario Fisherton
36h 46m
2 stops
YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,753
Delta
19 Sep
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
22h 05m
2 stops
ROS6:05 a.m.Rosario Fisherton
23 Sep
ROS12:10 p.m.Rosario Fisherton
36h 46m
2 stops
YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 3,960

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Rosario 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 96,600 searches. Data last updated 27 March 2026.
Use the filters below to find and compare flights from Ontario to Rosario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoRosario

YYZ - ROS

YYZROS

Toronto Pearson Intl

Thu 7/5

8:30 a.m.-12:27 a.m.

1 stop14h 57m

Rosario Fisherton

Tue 12/5

5:09 a.m.-1:13 a.m.

1 stop21h 04m

C$ 1,296

MontrealRosario

YUL - ROS

YULROS

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

7:00 a.m.-6:05 a.m.

2 stops46h 05m

Rosario Fisherton

Wed 23/9

12:10 p.m.-11:56 p.m.

2 stops36h 46m

C$ 1,591

TorontoRosario

YYZ - ROS

YYZROS

Toronto Pearson Intl

Thu 7/5

8:30 a.m.-7:50 a.m.

2 stops22h 20m

Rosario Fisherton

Tue 12/5

5:09 a.m.-1:13 a.m.

1 stop21h 04m

C$ 1,702

MontrealRosario

YUL - ROS

YULROS

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

7:00 a.m.-6:05 a.m.

2 stops22h 05m

Rosario Fisherton

Wed 23/9

12:10 p.m.-11:56 p.m.

2 stops36h 46m

C$ 1,753

TorontoRosario

YYZ - ROS

YYZROS

Toronto Pearson Intl

Thu 7/5

8:55 a.m.-7:50 a.m.

2 stops21h 55m

Rosario Fisherton

Tue 12/5

8:15 p.m.-11:30 p.m.

2 stops28h 15m

C$ 1,800

TorontoRosario

YYZ - ROS

YYZROS

Toronto Pearson Intl

Thu 7/5

5:15 p.m.-11:15 a.m.

3 stops41h 00m

Rosario Fisherton

Tue 12/5

8:15 p.m.-7:20 a.m.

2 stops36h 05m

C$ 1,879

MontrealRosario

YUL - ROS

YULROS

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

7:20 p.m.-12:13 a.m.

2 stops27h 53m

Rosario Fisherton

Sat 22/8

5:09 a.m.-12:40 a.m.

1 stop20h 31m

C$ 2,045
Quickest round-trip

MontrealRosario

YUL - ROS

YULROS

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

8:35 a.m.-12:13 a.m.

1 stop14h 38m

Rosario Fisherton

Sat 22/8

5:09 a.m.-12:40 a.m.

1 stop20h 31m

C$ 2,165

MontrealRosario

YUL - ROS

YULROS

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

7:00 a.m.-6:05 a.m.

2 stops46h 05m

Rosario Fisherton

Sat 22/8

8:25 p.m.-9:35 p.m.

2 stops26h 10m

C$ 2,215

MontrealRosario

YUL - ROS

YULROS

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

7:00 a.m.-6:05 a.m.

2 stops46h 05m

Rosario Fisherton

Sat 22/8

8:25 p.m.-9:40 p.m.

3 stops26h 15m

C$ 2,264

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Region of Ontario to Rosario flight deals and tips

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

Fastest flight time

14h 50m

Direct flights

None
The fastest flight from Region of Ontario to Rosario takes 14h 50m
There are no direct flights from Region of Ontario to Rosario. There are no popular flight routes from Region of Ontario to Rosario.
Search flight deals

  • When did momondo last update prices for flights from Ontario to Rosario Fisherton Airport?

    Prices for flights from Ontario to Rosario Fisherton Airport are updated daily.

  • How old do you have to be to fly from Ontario to Rosario Fisherton Airport?

    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 Ontario to Rosario Fisherton Airport.

  • What documentation or ID do you need to fly to Rosario Fisherton Airport?

    The required travel and health documents for your Rosario Fisherton Airport 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 Rosario Fisherton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Region of Ontario to Rosario?

    Price Alerts will notify you by email when the price for flights to Rosario from Region of Ontario decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Region of Ontario to Rosario with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Rosario?

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 Ontario to Rosario for you.

Can I find flights from Ontario to Rosario with flexible booking policies on momondo?

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

How can momondo help me find flights from Ontario to Rosario?

Once all potential Ontario to Rosario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Rosario, momondo offers a useful price alert feature which will track prices for flights to Rosario from Ontario and alert you when they change.

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