What is the difference between the most popular and the most frequent airline at Rosario?

Copa Airlines operates the most flights from Canada to Rosario at 0 per week, and for this route Copa Airlines is also the airline most often selected by KAYAK users searching for flights from Canada to Rosario. The two are sometimes different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.

Where can I fly from to get the cheapest fares to Rosario?

Based on fares booked in the past 5 days, the cheapest flights to Rosario are from: • Montreal, from C$ 1,268 round-trip • Toronto, from C$ 1,442 round-trip

How do I know if a flight to Rosario is a good deal?

A good deal on a flight to Rosario is around C$ 1,250 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

Which airlines should I consider for flights to Rosario?

Copa Airlines is the most popular airline for KAYAK users flying to Rosario and has the best on-time record at the destination's main airport.

What are the most popular airlines flying to Rosario?

Copa Airlines is the only airline flying to Rosario on KAYAK.

C$ 1,284 CHEAP FLIGHTS to Rosario in 2026

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

C$ 1,268

Typical prices: C$ 1,250-C$ 1,692

Multiple Airlines

Wed 7/11Wed 21/11

YUL - ROS • 1 stop

Top airlines

Copa Airlines

Best reviews • 7.6 score

Airline reviews

Top routes

YTO - ROS

Cheapest • 9% average savings

YYC - ROS

Most popular

Insights

When to travel

March

Cheapest • 4% price drop

February

Most popular

Good to know

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you enjoy your trip to Rosario!

Flight Deals

Cheap Flights to Rosario

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

All Flight Deals

Recent round-trip flight deals to Rosario

Sat, 7 Nov - Sat, 21 Nov

2:30 p.m. - 4:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

36h 15m1 stop Punta Cana

3:39 a.m. - 12:15 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

22h 36m1 stop Punta Cana

C$ 1,268Multiple Airlines

Mon, 30 Nov - Wed, 9 Dec

7:22 a.m. - 12:16 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

14h 54m1 stop Panama City Tocumen Intl

5:02 a.m. - 12:06 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

21h 04m1 stop Panama City Tocumen Intl

C$ 1,284Copa Airlines

Mon, 30 Nov - Wed, 9 Dec

7:22 a.m. - 12:16 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

14h 54m1 stop Panama City Tocumen Intl

5:02 a.m. - 12:06 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

21h 04m1 stop Panama City Tocumen Intl

C$ 1,290Copa Airlines

Sat, 7 Nov - Sat, 21 Nov

3:10 p.m. - 4:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

35h 35m2 stops Cancun Punta Cana

3:39 a.m. - 12:15 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

22h 36m1 stop Punta Cana

C$ 1,339Multiple Airlines

Sat, 7 Nov - Sat, 21 Nov

8:00 p.m. - 4:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

30h 45m3 stops Toronto Pearson Intl Ottawa Punta Cana

3:39 a.m. - 12:15 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

22h 36m1 stop Punta Cana

C$ 1,346Multiple Airlines

Sat, 7 Nov - Sat, 21 Nov

2:30 p.m. - 4:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

36h 15m1 stop Punta Cana

8:20 p.m. - 12:15 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

29h 55m2 stops Buenos Aires Ministro Pistarini Punta Cana

C$ 1,407Multiple Airlines

Thu, 1 Oct - Thu, 22 Oct

9:20 a.m. - 2:33 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

16h 13m1 stop Punta Cana

5:09 a.m. - 12:20 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

20h 11m2 stops Panama City Tocumen Intl Punta Cana

C$ 1,431Multiple Airlines

Wed, 7 Oct - Sat, 10 Oct

8:30 a.m. - 12:17 a.m.YYZ Toronto Pearson Intl-ROS Rosario Fisherton

14h 47m1 stop Panama City Tocumen Intl

1:23 a.m. - 1:13 a.m.ROS Rosario Fisherton-YYZ Toronto Pearson Intl

24h 50m1 stop Panama City Tocumen Intl

C$ 1,442Copa Airlines

Sat, 7 Nov - Sat, 21 Nov

2:30 p.m. - 4:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

36h 15m1 stop Punta Cana

8:20 p.m. - 12:15 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

29h 55m2 stops Buenos Aires Ministro Pistarini Punta Cana

C$ 1,476Multiple Airlines

Mon, 30 Nov - Tue, 8 Dec

9:20 p.m. - 2:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

27h 30m3 stops Toronto Pearson Intl Cancun Punta Cana

4:00 a.m. - 12:30 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

22h 30m3 stops Punta Cana Oranjestad Reina Beatrix Toronto Pearson Intl

C$ 1,484Multiple Airlines

Recent last minute flight deals to Rosario

Sun, 13 Sep - Tue, 15 Sep

9:30 a.m. - 4:39 a.m.YYZ Toronto Pearson Intl-ROS Rosario Fisherton

18h 09m1 stop Punta Cana

3:39 a.m. - 4:10 p.m.ROS Rosario Fisherton-YYZ Toronto Pearson Intl

37h 31m2 stops Punta Cana Cancun

C$ 1,441Multiple Airlines

Sat, 12 Sep - Wed, 16 Sep

6:10 a.m. - 11:40 a.m.YYZ Toronto Pearson Intl-ROS Rosario Fisherton

52h 30m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl

7:40 a.m. - 10:23 a.m.ROS Rosario Fisherton-YYZ Toronto Pearson Intl

27h 43m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

C$ 1,466Delta

Sat, 12 Sep - Wed, 16 Sep

6:25 p.m. - 11:40 a.m.YYZ Toronto Pearson Intl-ROS Rosario Fisherton

40h 15m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl

7:40 a.m. - 10:23 a.m.ROS Rosario Fisherton-YYZ Toronto Pearson Intl

27h 43m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

C$ 1,467Delta

Sun, 13 Sep - Tue, 15 Sep

9:30 a.m. - 4:39 a.m.YYZ Toronto Pearson Intl-ROS Rosario Fisherton

18h 09m1 stop Punta Cana

3:39 a.m. - 6:35 p.m.ROS Rosario Fisherton-YYZ Toronto Pearson Intl

39h 56m2 stops Punta Cana Cancun

C$ 1,517Multiple Airlines

Sun, 13 Sep - Wed, 16 Sep

6:10 a.m. - 11:40 a.m.YYZ Toronto Pearson Intl-ROS Rosario Fisherton

28h 30m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl

7:40 a.m. - 10:23 a.m.ROS Rosario Fisherton-YYZ Toronto Pearson Intl

27h 43m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

C$ 1,543Delta

Sun, 13 Sep - Tue, 15 Sep

9:30 a.m. - 4:39 a.m.YYZ Toronto Pearson Intl-ROS Rosario Fisherton

18h 09m1 stop Punta Cana

3:39 a.m. - 6:35 p.m.ROS Rosario Fisherton-YYZ Toronto Pearson Intl

39h 56m2 stops Punta Cana Cancun

C$ 1,545Multiple Airlines

Sun, 13 Sep - Tue, 15 Sep

9:00 a.m. - 4:39 a.m.YYZ Toronto Pearson Intl-ROS Rosario Fisherton

18h 39m1 stop Punta Cana

3:39 a.m. - 7:15 p.m.ROS Rosario Fisherton-YYZ Toronto Pearson Intl

16h 36m1 stop Punta Cana

C$ 1,603Multiple Airlines

Sun, 13 Sep - Sat, 19 Sep

9:30 a.m. - 4:39 a.m.YYZ Toronto Pearson Intl-ROS Rosario Fisherton

18h 09m1 stop Punta Cana

12:40 p.m. - 11:35 p.m.ROS Rosario Fisherton-YYZ Toronto Pearson Intl

35h 55m2 stops Sao Paulo Guarulhos Intl Orlando

C$ 1,626Multiple Airlines

Sun, 13 Sep - Tue, 15 Sep

9:00 a.m. - 4:39 a.m.YYZ Toronto Pearson Intl-ROS Rosario Fisherton

18h 39m1 stop Punta Cana

3:39 a.m. - 7:15 p.m.ROS Rosario Fisherton-YYZ Toronto Pearson Intl

16h 36m1 stop Punta Cana

C$ 1,664Multiple Airlines

Sun, 13 Sep - Tue, 15 Sep

9:00 a.m. - 4:39 a.m.YYZ Toronto Pearson Intl-ROS Rosario Fisherton

18h 39m1 stop Punta Cana

3:39 a.m. - 7:15 p.m.ROS Rosario Fisherton-YYZ Toronto Pearson Intl

16h 36m1 stop Punta Cana

C$ 1,676Multiple Airlines

All round-trip flight deals to Rosario

Sat, 7 Nov - Sat, 21 Nov

2:30 p.m. - 4:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

36h 15m1 stop Punta Cana

3:39 a.m. - 12:15 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

22h 36m1 stop Punta Cana

C$ 1,268Multiple Airlines

Mon, 30 Nov - Wed, 9 Dec

7:22 a.m. - 12:16 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

14h 54m1 stop Panama City Tocumen Intl

5:02 a.m. - 12:06 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

21h 04m1 stop Panama City Tocumen Intl

C$ 1,284Copa Airlines

Mon, 30 Nov - Wed, 9 Dec

7:22 a.m. - 12:16 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

14h 54m1 stop Panama City Tocumen Intl

5:02 a.m. - 12:06 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

21h 04m1 stop Panama City Tocumen Intl

C$ 1,290Copa Airlines

Sat, 7 Nov - Sat, 21 Nov

3:10 p.m. - 4:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

35h 35m2 stops Cancun Punta Cana

3:39 a.m. - 12:15 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

22h 36m1 stop Punta Cana

C$ 1,339Multiple Airlines

Sat, 7 Nov - Sat, 21 Nov

8:00 p.m. - 4:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

30h 45m3 stops Toronto Pearson Intl Ottawa Punta Cana

3:39 a.m. - 12:15 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

22h 36m1 stop Punta Cana

C$ 1,346Multiple Airlines

Sat, 7 Nov - Sat, 21 Nov

2:30 p.m. - 4:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

36h 15m1 stop Punta Cana

8:20 p.m. - 12:15 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

29h 55m2 stops Buenos Aires Ministro Pistarini Punta Cana

C$ 1,407Multiple Airlines

Thu, 1 Oct - Thu, 22 Oct

9:20 a.m. - 2:33 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

16h 13m1 stop Punta Cana

5:09 a.m. - 12:20 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

20h 11m2 stops Panama City Tocumen Intl Punta Cana

C$ 1,431Multiple Airlines

Wed, 7 Oct - Sat, 10 Oct

8:30 a.m. - 12:17 a.m.YYZ Toronto Pearson Intl-ROS Rosario Fisherton

14h 47m1 stop Panama City Tocumen Intl

1:23 a.m. - 1:13 a.m.ROS Rosario Fisherton-YYZ Toronto Pearson Intl

24h 50m1 stop Panama City Tocumen Intl

C$ 1,442Copa Airlines

Sat, 7 Nov - Sat, 21 Nov

2:30 p.m. - 4:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

36h 15m1 stop Punta Cana

8:20 p.m. - 12:15 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

29h 55m2 stops Buenos Aires Ministro Pistarini Punta Cana

C$ 1,476Multiple Airlines

Mon, 30 Nov - Tue, 8 Dec

9:20 p.m. - 2:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-ROS Rosario Fisherton

27h 30m3 stops Toronto Pearson Intl Cancun Punta Cana

4:00 a.m. - 12:30 a.m.ROS Rosario Fisherton-YUL Montreal Pierre Elliott Trudeau Intl

22h 30m3 stops Punta Cana Oranjestad Reina Beatrix Toronto Pearson Intl

C$ 1,484Multiple Airlines

Booking Insights

Price, demand, and travel trends for Canada to Rosario flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Canada to Rosario with more confidence.

Prices

Airlines

What is the cheapest flight to Rosario?

Montreal Pierre Elliott Trudeau Intl Airport to Rosario is the cheapest route at C$ 1,268 round-trip, found in the past 5 days on KAYAK. Toronto Pearson Intl Airport to Rosario is the most popular connection with round-trip deals from C$ 1,442.

How much is a flight to Rosario?

A round-trip flight to Rosario costs C$ 1,419 on average, based on data over the past 12 months on KAYAK. Round-trip fares from Toronto average C$ 1,419, while Calgary runs a bit higher at C$ 1,692.

What is the cheapest day to fly to Rosario?

Thursday is the cheapest day to fly to Rosario at C$ 1,136 round-trip on average over the past 12 months on KAYAK. Wednesday is the most expensive at C$ 2,161.

What is the cheapest time of day to fly to Rosario?

Morning flights to Rosario are the cheapest at C$ 1,362 round-trip on average. Afternoon flights are the most expensive at C$ 1,691.

Find deals

Low season	June
High season	February
Cheapest flight	C$ 553

Flights from Montreal Pierre Elliott Trudeau Intl Airport to Rosario

When to book flights to Rosario

Are your dates flexible? Find out the best times to travel to Rosario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to Rosario based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the difference between the most popular and the most frequent airline at Rosario?
Copa Airlines operates the most flights from Canada to Rosario at 0 per week, and for this route Copa Airlines is also the airline most often selected by KAYAK users searching for flights from Canada to Rosario. The two are sometimes different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.
Where can I fly from to get the cheapest fares to Rosario?
Based on fares booked in the past 5 days, the cheapest flights to Rosario are from:
• Montreal, from C$ 1,268 round-trip
• Toronto, from C$ 1,442 round-trip
How do I know if a flight to Rosario is a good deal?
A good deal on a flight to Rosario is around C$ 1,250 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.
Which airlines should I consider for flights to Rosario?
Copa Airlines is the most popular airline for KAYAK users flying to Rosario and has the best on-time record at the destination's main airport.

For flights to Rosario, recent KAYAK data shows that stronger deals tend to land around C$ 1,250 round-trip. If you see a fare below that threshold, it's a strong deal – book before the price climbs back up.
If you can choose when to go, aim to travel to Rosario in March. Round-trip fares historically average C$ 1,365 that month – typically the cheapest month to travel based on the last 12 months.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat selection costs on budget carriers.
• Verify whether you need any travel documents beyond an ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to morning to save up to C$ 329 per round-trip. Morning flights to Rosario average C$ 1,362 compared to C$ 1,691 for noon flights. See the time-of-day chart above for the full breakdown.

More options for your flight to Rosario

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ROS

C$ 553 Find Cheap Flights to Rosario – Compare and Save

Everything you should know

Cheap Flights to Rosario

Recent round-trip flight deals to Rosario

Recent one-way flight deals to Rosario

Recent last minute flight deals to Rosario

All round-trip flight deals to Rosario

Price, demand, and travel trends for Canada to Rosario flights

What is the cheapest flight to Rosario?

How much is a flight to Rosario?

What is the cheapest day to fly to Rosario?

What is the cheapest time of day to fly to Rosario?

What are the most popular airlines flying to Rosario?

Key details for flights to Rosario

Low season

High season

Cheapest flight

When to book flights to Rosario

Your questions about flights to Rosario, answered

Your guide to booking Rosario flights

More options for your flight to Rosario

Complete your trip to Rosario with a hotel stay or car rental

Information on the airport you'll fly into in Rosario

Cabin class types available on flights to Rosario

Flights from local origins to Rosario

Flights to other popular destinations