The cheapest times to fly from ROS to LAX are

  • March 5th to May 6th (except the week of April 2nd)
  • May 21st to June 10th
  • August 6th to November 25th (except the week of November 12th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ROS to LAX is late September. Prices can be as high as $1494 for Saturday flights during early to mid July, or as low as $709 for Tuesday flights around late September.


When to Fly to Los Angeles

Flying from Rosario (ROS) to Los Angeles, CA (LAX) will usually cost between $729 to $1257 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late September with an average ticket price of $709. Due to high demand the most expensive time to fly is early to mid July, with an average price of $1469. Planning your trip to low-cost times can easily save you $760 on economy flights and even more on first-class flights. Generally, any price below $848 can be considered a good price for a round-trip ROS to LAX flight.

See below for a graph of average weekly prices for the ROS to LAX route. All prices are for round-trip tickets in USD.

ROS to LAX Flight Prices

Compared to other flights, the ROS to LAX flight is cheaper than the average and costs less than the average flight leaving from Rosario. The average price per mile (for a direct flight) is $0.09, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $89 (9%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $872. Return trip prices are from the LAX to ROS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ROS to LAX can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 11 hour 41 minutes may not be realistic.


Flight Hacking ROS to LAX

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ROS to LAX — but Champion Traveler does!

Hack #1: Ezeiza (ROS > EZE > LAX)

  • Price for both tickets: $780
  • Average savings: $68 (8.02%)

See ROS to flights


Flight Questions Answered

Still have questions about flying from ROS to LAX? We’ve got answers.

Which airlines fly this route?

You can find 12 major airlines flying this route most often: Aerolineas Argentinas, Air Canada, Alaska, American, Avianca, COPA, Delta, Gol, JetBlue, LATAM, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from Los Angeles International Airport to Rosario Airport?

The distance between the two airports is roughly 5941 miles or 9561 kilometers.

How long does it take to fly from ROS to LAX?

The real-world flight time for a nonstop ROS to LAX flight is about 11 hour 41 minutes.

How many flights go between Rosario and Los Angeles, CA?

It depends on the day of the week and the date, but a typical day might have around 61 available flights from ROS to LAX.


Airport Location Info


Departing Airport

Origination code ROS
Origination airport name Rosario Airport
City Rosario
Country Argentina
Latitude -32.9
Longitude -60.8

Return Airport

Destination code LAX
Destination airport name Los Angeles International Airport
City Los Angeles, CA
Country the United States
Latitude 33.9
Longitude -118.4


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.