Prices were available within the past 7 days and start at $221 for one-way flights and $381 for roundtrip, for the period specified. Prices and availability are subject to change.
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Rosario to Lima are during the month of December. You can find some of the cheapest flights from Rosario to Lima with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Rosario to Lima
Sunday is one of the best days to book for cheap flights from Rosario to Lima: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Rosario to Lima
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Rosario to Lima in 2026. You can also book with separate airlines for your outbound and return journeys, from $221 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Rosario to Lima flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Rosario to Lima airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently Asked Questions
How much does a flight from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.) cost?
You can find cheap one-way flights from $221 and cheap return flights $381 Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.) with Expedia. One-way flights usually range from $183 to $623. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.)?
The cheapest month to fly from ROS to LIM is December when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.)?
Choose from 1 airlines operating direct flights from ROS to LIM:
LATAM Airlines Group operates around 7 direct flights from ROS to LIM every week
LAN Airlines operates around 7 direct flights from ROS to LIM every week
What is the cheapest airline that flies from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.)?
Aerolineas Argentinas, LATAM Airlines Group and LAN Airlines are just some of the carriers that fly from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.)?
To find a cheap flight from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.)?
The best airline to fly with from Rosario (ROS) to Lima (LIM) will differ from traveler to traveler. If you like to fly early, LAN Airlines offers early morning flights. If price is the most important factor, LAN Airlines typically offers the lowest fares. Copa offers the most daily flights from ROS to LIM, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.)?
The earliest flight from Rosario (ROS) to Lima (LIM) usually departs at around 7:30 AM, operated by LATAM Airlines Group. This seasonal service is available in June, giving you a full day to explore Lima after your arrival. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.)?
You'll usually find the most flights from Rosario - Islas Malvinas Intl. (ROS) to Jorge Chavez Intl. (LIM) on a Friday, with around 5 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Aerolineas Argentinas, LATAM Airlines Group, and LAN Airlines.
What are the most popular departure times for flights from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.)?
The most popular departure times for flights from Rosario (ROS) to Lima (LIM) are in the early morning, from 6am to 9am. About 45% of passengers prefer this time window. Many major carriers, including LATAM Airlines Group, operate flights during this period. This timing is favored as it allows you to arrive in Lima with a full day ahead of you.
How long does it take to fly from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.)?
A nonstop flight from ROS to LIM typically takes around 4 hours 20 minutes, covering approximately 1,775 miles. Connecting flights on this route usually add 9 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.)?
Select the "Business class" and "First class" filters when looking for ROS to LIM flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.) flight with Expedia?
It's easy to earn miles on a Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Lima from Rosario - Islas Malvinas Intl. (ROS)?
If you're planning to travel to Lima from Rosario - Islas Malvinas Intl. (ROS), you can fly into Jorge Chavez Intl. (LIM) Some flights may connect through major hubs like Aeroparque Jorge Newbery (AEP) before reaching Lima. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.) at the last minute?
Typically, booking a last minute flight from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.) flight and hotel package?
Securing a Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.) Lima Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.)?
If you booked your Rosario (ROS-Rosario - Islas Malvinas Intl.) to Lima (LIM-Jorge Chávez Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.