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Rosario

$399+ Cheap flights from Los Angeles (LAX) to Rosario (ROS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ROS
Jun 18 — Jun 251
Wed 6/18
Wed 6/25
1 adult, Economy
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Cheap flight deals from Los Angeles to Rosario

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) 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 June 13, 2025.

Round-trip from

$927
(Copa Airlines)

One-way from

$399
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$1,080
From Los Angeles to Rosario Fisherton
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One-way flight from Los Angeles to Rosario Fisherton
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Highest demand for flights based on searches. 12% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Los Angeles to Rosario

Cheapest flights from Los Angeles to Rosario
Explore the most affordable flight options available from Los Angeles to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2025.

This Copa Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:45 amLAX - ROS
1 stop22h 00mCopa Airlines
Thu 10/165:07 amROS - LAX
1 stop22h 06mCopa Airlines
Deal found 6/11$927
This oojo deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:20 pmLAX - ROS
2 stops18h 45mLATAM Airlines
Sat 11/156:05 pmROS - LAX
2 stops41h 15mLATAM Airlines
Deal found 6/10$953
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/412:30 amLAX - ROS
3 stops25h 35mMultiple Airlines
Thu 9/253:05 pmROS - LAX
3 stops35h 25mMultiple Airlines
Deal found 6/11$1,251
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2711:59 pmLAX - ROS
3 stops46h 06mAmerican Airlines
Sat 8/23:00 amROS - LAX
2 stops35h 38mAmerican Airlines
Deal found 6/12$1,341

Cheapflights Fare Finder

Customize your flight search to find flights from Los Angeles 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 2,558,603 searches. Data last updated June 13, 2025.
Use the filters below to find and compare flights from Los Angeles to Rosario that are best for you.

Fly from

Los Angeles

Fly to

Rosario

Route

Depart

Return

Price

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Mon 8/4

1:59 am-12:14 am

1 stop18h 15m

Rosario Fisherton

Thu 9/25

5:07 am-11:13 pm

1 stop22h 06m

$947

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sun 7/27

9:45 pm-6:05 am

2 stops52h 20m

Rosario Fisherton

Sun 8/3

7:30 am-6:55 pm

1 stop15h 25m

$1,110

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Mon 8/4

12:30 am-6:05 am

3 stops25h 35m

Rosario Fisherton

Thu 9/25

3:05 pm-10:30 pm

3 stops35h 25m

$1,251

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sun 7/27

11:59 pm-2:05 am

3 stops46h 06m

Rosario Fisherton

Sat 8/2

3:00 am-10:38 am

2 stops35h 38m

$1,341

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Mon 8/18

1:59 am-7:50 am

3 stops49h 51m

$399

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Tue 8/19

11:30 am-6:05 am

1 stop14h 35m

$433

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sun 8/17

1:59 am-12:14 am

1 stop18h 15m

$455

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sun 8/31

11:30 pm-2:05 am

2 stops46h 35m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from Los Angeles to Rosario

Have a flexible travel schedule? Discover the best time to fly to Rosario from Los Angeles 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.

Cheapflights Insights

Everything you need to know about your flight from Los Angeles to Rosario

What is the cheapest time of day to fly from LAX to ROS?

Find hourly flight availability from Los Angeles to Rosario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 13, 2025.

It’s optimal to fly from Los Angeles to Rosario at noon. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight in the morning.

Rainfall in Rosario by month

Plan your trip to Rosario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rosario ranges from 1.2 - 5.9 inches per month. March is typically the wettest month, when rainfall can reach 5.9 in. July is typically the driest time to visit Rosario when rainfall is around 1.2 in.

Temperature in Rosario by month

Plan your trip to Rosario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rosario, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 50.0 F).

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 June 13, 2025.
LATAM Airlines
7.5
Good
1,785 reviews

Overall

7.5

Crew

8.1

Comfort

7.4

Food

6.7

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
LATAM Airlines
7.5
Good
1,785 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Overall

7.5

Crew

8.1

Comfort

7.4

Food

6.7

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Copa Airlines
7.5
Good
1,451 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Overall

7.5

Crew

8.1

Comfort

7.4

Food

6.7

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
American Airlines
7.2
Good
10,000 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Overall

7.5

Crew

8.1

Comfort

7.4

Food

6.7

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Related info for your journey

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

  • What are the cheapest airlines flying from Los Angeles to Rosario round-trip?

    Flying on Copa Airlines is currently your cheapest option to Rosario, with prices starting at $927. Additional round-trip tickets that might be worth considering are offered by LATAM Airlines and American Airlines, with the lowest prices starting at $953 and $1,341, respectively. These flights start at 26% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Los Angeles to Rosario one-way?

    The cheapest airlines for a one-way flight from Los Angeles to Rosario are LATAM Airlines ($433), Copa Airlines ($455), and American Airlines ($469).

  • Can I find deals for flights from Los Angeles to Rosario that include hotel bookings?

    Yes. In addition to deals on Los Angeles to Rosario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Los Angeles to Rosario?

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

  • Can I find deals for business class flights from Los Angeles to Rosario?

    Yes. Cheapflights offers flight deals from Los Angeles 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

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Top 2 airlines flying from Los Angeles to Rosario

Discover the top 2 airlines that operate flights from Los Angeles to Rosario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$830Average$1,247FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$993Average$1,371FlexibilityNo cancel feeOn-time81%

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