Find flights
When to book
Airlines
FAQs

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Rosario from C$ 1,368

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ROS
3 Aug — 10 Aug1
1 adult

Cheap flight deals from Pierre Elliott Trudeau Intl to Rosario

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Rosario (ROS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 July 2025.

Round-trip from

C$ 1,368
Copa Airlines
  • Copa Airlines
  • 20/9-26/9
  • 2 total stops
  • 38h 49m total
  • Montreal to Rosario
Search Deals

Find flight deals from Pierre Elliott Trudeau Intl to Rosario

Cheapest flights from Pierre Elliott Trudeau Intl to Rosario
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Sat 20/98:41 a.m.YUL - ROS
1 stop14h 32mCopa Airlines
Fri 26/91:22 a.m.ROS - YUL
1 stop24h 17mCopa Airlines
Deal found 26/7C$ 1,368
Sat 20/99:30 a.m.YUL - ROS
2 stops19h 35mMultiple Airlines
Sat 27/912:45 p.m.ROS - YUL
2 stops30h 15mMultiple Airlines
Deal found 26/7C$ 1,818

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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, Cheapflights users made 629,999 searches. Data last updated 29 July 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Rosario that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Rosario

Route

Depart

Return

Price

MontrealRosario

YUL - ROS

YULROS

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

8:41 a.m.-12:13 a.m.

1 stop14h 32m

Rosario Fisherton

Fri 26/9

1:22 a.m.-12:39 a.m.

1 stop24h 17m

C$ 1,368

MontrealRosario

YUL - ROS

YULROS

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

9:30 a.m.-6:05 a.m.

2 stops19h 35m

Rosario Fisherton

Sat 27/9

12:45 p.m.-6:00 p.m.

2 stops30h 15m

C$ 1,818

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/7

Best time to book a flight from Pierre Elliott Trudeau Intl to Rosario

Have a flexible travel schedule? Discover the best time to fly to Rosario from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Rosario

Get insights into the airlines that provide service to Rosario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Rosario. Reviews last updated 29 July 2025.
Check out reviews from past customers who have flown with Copa Airlines from Montreal Pierre Elliott Trudeau Intl Airport to Rosario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.5
Good
1,493 reviews
Check prices

Comfort

7.4

Boarding

7.8

Crew

8.1

Entertainment

6.8

Food

6.8

Overall

7.5

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
Copa Airlines
7.5
Good
1,493 reviews
Copa Airlines
7.5
Good
1,493 reviews
Check prices

Comfort

7.4

Boarding

7.8

Crew

8.1

Entertainment

6.8

Food

6.8

Overall

7.5

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Rosario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Rosario from Montreal Pierre Elliott Trudeau Intl?

    Located just 10.7 km from the city centre, Rosario Fisherton is the airport most travellers will use when flying to Rosario from Montreal Pierre Elliott Trudeau Intl. Booking flights from Montreal Pierre Elliott Trudeau Intl to Fisherton (ROS) should be relatively easy as there are 0 daily inbound flights from Montreal Pierre Elliott Trudeau Intl from 0 different airlines.

  • What is the cheapest airline to fly from Montreal Pierre Elliott Trudeau Intl Airport to Rosario round-trip?

    Cheapflights users have booked flights from Montreal Pierre Elliott Trudeau Intl Airport to Rosario round-trip from C$ 1,368.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Rosario that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Rosario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Rosario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Rosario.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Rosario?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Rosario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Rosario?

Cheapflights helps you search for flights from Pierre Elliott Trudeau Intl to Rosario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Rosario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Pierre Elliott Trudeau Intl to Rosario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Rosario with no change fees?

Yes, we can. To see specific flights from Pierre Elliott Trudeau Intl to Rosario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Rosario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.