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Cheap flights from Ontario to Rosario from C$ 1,447

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 10/9. 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

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. - 12:17 a.m.
YYZ
-
ROS
14h 47m
1 stop
Copa Airlines Logo
5:09 a.m. - 1:13 a.m.
ROS
-
YYZ
21h 04m
1 stop
C$ 1,447Copa Airlines
Thu, 10 Sep - Fri, 18 Sep
Multiple Airlines Logo
2:10 p.m. - 11:40 a.m.
YYZ
-
ROS
20h 30m
2 stops
Multiple Airlines Logo
4:50 a.m. - 5:26 p.m.
ROS
-
YYZ
38h 36m
2 stops
C$ 1,456Multiple Airlines
Thu, 24 Sep - Sun, 1 Nov
Delta Logo
6:00 a.m. - 11:15 a.m.
YYZ
-
ROS
27h 15m
2 stops
Delta Logo
12:30 p.m. - 9:58 p.m.
ROS
-
YYZ
35h 28m
2 stops
C$ 1,460Delta
Wed, 2 Dec - Sun, 6 Dec
Delta Logo
6:15 a.m. - 11:15 a.m.
YYZ
-
ROS
27h 00m
2 stops
Delta Logo
12:30 p.m. - 11:14 a.m.
ROS
-
YYZ
24h 44m
2 stops
C$ 1,463Delta
Wed, 2 Dec - Sun, 6 Dec
Multiple Airlines Logo
7:20 a.m. - 2:33 a.m.
YYZ
-
ROS
18h 13m
2 stops
Multiple Airlines Logo
4:50 a.m. - 5:15 p.m.
ROS
-
YYZ
14h 25m
1 stop
C$ 1,470Multiple Airlines
Thu, 24 Sep - Sun, 1 Nov
LATAM Airlines Logo
7:45 a.m. - 11:15 a.m.
YYZ
-
ROS
25h 30m
2 stops
LATAM Airlines Logo
4:50 a.m. - 12:01 a.m.
ROS
-
YYZ
21h 11m
2 stops
C$ 1,542LATAM Airlines
Wed, 2 Dec - Sat, 5 Dec
LATAM Airlines Logo
7:45 a.m. - 11:15 a.m.
YYZ
-
ROS
25h 30m
2 stops
LATAM Airlines Logo
4:50 a.m. - 12:01 a.m.
ROS
-
YYZ
21h 11m
2 stops
C$ 1,545LATAM Airlines
Wed, 2 Dec - Sat, 5 Dec
Multiple Airlines Logo
11:38 a.m. - 11:40 a.m.
YYZ
-
ROS
23h 02m
2 stops
Multiple Airlines Logo
3:39 a.m. - 11:40 a.m.
ROS
-
YYZ
33h 01m
1 stop
C$ 1,571Multiple Airlines
Thu, 10 Sep - Thu, 17 Sep
Multiple Airlines Logo
12:30 a.m. - 2:33 a.m.
YYZ
-
ROS
25h 03m
3 stops
Multiple Airlines Logo
3:39 a.m. - 11:40 a.m.
ROS
-
YYZ
33h 01m
1 stop
C$ 1,617Multiple Airlines
Wed, 9 Sep - Thu, 17 Sep
Multiple Airlines Logo
9:15 a.m. - 6:10 a.m.
YYZ
-
ROS
19h 55m
2 stops
Multiple Airlines Logo
3:39 a.m. - 11:07 a.m.
ROS
-
YYZ
32h 28m
3 stops
C$ 1,678Multiple Airlines
Thu, 10 Sep - Thu, 17 Sep

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Copa Airlines flights from Region of Ontario to Rosario

Our best Copa Airlines deals on Region of Ontario to Rosario flight tickets
Copa Airlines
10 Sep
YYZ8:30 a.m.Toronto Pearson Intl
14h 47m
1 stop
ROS12:17 a.m.Rosario Fisherton
18 Sep
ROS5:09 a.m.Rosario Fisherton
21h 04m
1 stop
YYZ1:13 a.m.Toronto Pearson Intl
C$ 1,447
Copa Airlines
27 Jul
YYZ8:30 a.m.Toronto Pearson Intl
18h 13m
1 stop
ROS3:43 a.m.Rosario Fisherton
2 Aug
ROS1:23 a.m.Rosario Fisherton
24h 50m
1 stop
YYZ1:13 a.m.Toronto Pearson Intl
C$ 1,779
Copa Airlines
16 Jul
YYZ8:30 a.m.Toronto Pearson Intl
18h 13m
1 stop
ROS3:43 a.m.Rosario Fisherton
22 Jul
ROS1:23 a.m.Rosario Fisherton
24h 50m
1 stop
YYZ1:13 a.m.Toronto Pearson Intl
C$ 2,013

LATAM Airlines flights from Region of Ontario to Rosario

Our best LATAM Airlines deals on Region of Ontario to Rosario flight tickets
LATAM Airlines
2 Dec
YYZ7:45 a.m.Toronto Pearson Intl
25h 30m
2 stops
ROS11:15 a.m.Rosario Fisherton
5 Dec
ROS4:50 a.m.Rosario Fisherton
21h 11m
2 stops
YYZ12:01 a.m.Toronto Pearson Intl
C$ 1,542
LATAM Airlines
2 Dec
YYZ7:45 a.m.Toronto Pearson Intl
25h 30m
2 stops
ROS11:15 a.m.Rosario Fisherton
5 Dec
ROS4:50 a.m.Rosario Fisherton
21h 11m
2 stops
YYZ12:01 a.m.Toronto Pearson Intl
C$ 1,545
LATAM Airlines
27 Jul
YYZ6:34 p.m.Toronto Pearson Intl
34h 36m
2 stops
ROS6:10 a.m.Rosario Fisherton
3 Aug
ROS12:40 p.m.Rosario Fisherton
29h 55m
2 stops
YYZ5:35 p.m.Toronto Pearson Intl
C$ 1,785

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 4 July 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 10/9

8:30 a.m.-12:17 a.m.

1 stop14h 47m

Rosario Fisherton

Fri 18/9

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

1 stop21h 04m

C$ 1,447

TorontoRosario

YYZ - ROS

YYZROS

Toronto Pearson Intl

Thu 24/9

2:10 p.m.-11:40 a.m.

2 stops20h 30m

Rosario Fisherton

Sun 1/11

4:50 a.m.-5:26 p.m.

2 stops38h 36m

C$ 1,456

TorontoRosario

YYZ - ROS

YYZROS

Toronto Pearson Intl

Wed 2/12

6:00 a.m.-11:15 a.m.

2 stops27h 15m

Rosario Fisherton

Sun 6/12

12:30 p.m.-9:58 p.m.

2 stops35h 28m

C$ 1,460

TorontoRosario

YYZ - ROS

YYZROS

Toronto Pearson Intl

Wed 2/12

6:15 a.m.-11:15 a.m.

2 stops27h 00m

Rosario Fisherton

Sun 6/12

12:30 p.m.-11:14 a.m.

2 stops24h 44m

C$ 1,463
Quickest round-trip

TorontoRosario

YYZ - ROS

YYZROS

Toronto Pearson Intl

Thu 24/9

7:20 a.m.-2:33 a.m.

2 stops18h 13m

Rosario Fisherton

Sun 1/11

4:50 a.m.-5:15 p.m.

1 stop14h 25m

C$ 1,470

TorontoRosario

YYZ - ROS

YYZROS

Toronto Pearson Intl

Wed 2/12

7:45 a.m.-11:15 a.m.

2 stops25h 30m

Rosario Fisherton

Sat 5/12

4:50 a.m.-12:01 a.m.

2 stops21h 11m

C$ 1,542

TorontoRosario

YYZ - ROS

YYZROS

Toronto Pearson Intl

Wed 2/12

7:45 a.m.-11:15 a.m.

2 stops25h 30m

Rosario Fisherton

Sat 5/12

4:50 a.m.-12:01 a.m.

2 stops21h 11m

C$ 1,545

TorontoRosario

YYZ - ROS

YYZROS

Toronto Pearson Intl

Thu 10/9

11:38 a.m.-11:40 a.m.

2 stops23h 02m

Rosario Fisherton

Thu 17/9

3:39 a.m.-11:40 a.m.

1 stop33h 01m

C$ 1,571

TorontoRosario

YYZ - ROS

YYZROS

Toronto Pearson Intl

Wed 9/9

12:30 a.m.-2:33 a.m.

3 stops25h 03m

Rosario Fisherton

Thu 17/9

3:39 a.m.-11:40 a.m.

1 stop33h 01m

C$ 1,617

TorontoRosario

YYZ - ROS

YYZROS

Toronto Pearson Intl

Thu 10/9

9:15 a.m.-6:10 a.m.

2 stops19h 55m

Rosario Fisherton

Thu 17/9

3:39 a.m.-11:07 a.m.

3 stops32h 28m

C$ 1,678

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

18h 17m

Direct flights

None
The fastest flight from Region of Ontario to Rosario takes 18h 17m
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

Frequently asked questions about flying from Ontario to Rosario

  • 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.

Frequently asked questions about flying from Ontario to Rosario

  • 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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