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$994+ Cheap flights from Rosario (ROS) to Los Angeles (LAX)

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
ROS — LAX
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Rosario to Los Angeles

Cheapest flights from Rosario to Los Angeles
Explore the most affordable flight options available from Rosario to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Ovago deal was found by Cheapflights users on 10/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:45 amROS - LAX
2 stops30h 54mLATAM Airlines
Sun 1/1110:55 pmLAX - ROS
2 stops50h 15mLATAM Airlines
Deal found 10/28$1,220
This Copa Airlines deal was found by Cheapflights users on 10/28. 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 12/301:21 amROS - LAX
1 stop26h 23mCopa Airlines
Sat 1/101:11 amLAX - ROS
1 stop21h 42mCopa Airlines
Deal found 10/28$1,248
This oojo deal was found by Cheapflights users on 10/27. 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.
Wed 12/319:00 amROS - LAX
3 stops26h 50mMultiple Airlines
Sun 1/1110:35 amLAX - ROS
3 stops42h 10mMultiple Airlines
Deal found 10/27$2,687
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 12/302:55 amROS - LAX
2 stops38h 30mAmerican Airlines
Sun 1/1110:50 amLAX - ROS
3 stops34h 10mAmerican Airlines
Deal found 10/27$2,965

Cheap flight deals from Rosario to Los Angeles

Discover tips and strategies to find the most affordable flight options for your journey from Rosario (ROS) to Los Angeles (LAX). 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$994
(LATAM Airlines)

Popular in

November

Cheapest in

September

Average price

$1,411
Provider with most accurate pricing for Rosario Fisherton-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rosario Fisherton-Los Angeles flights.
Search Deals
From Rosario Fisherton to Los Angeles
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Rosario to Los Angeles 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 October 29, 2025.
Use the filters below to find and compare flights from Rosario to Los Angeles that are best for you.

Fly from

Rosario

Fly to

Los Angeles

Route

Depart

Return

Price

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

Wed 3/25

7:45 am-11:06 am

2 stops31h 21m

Los Angeles

Wed 4/8

9:50 pm-6:05 am

2 stops28h 15m

$994

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

Tue 3/24

2:55 am-12:30 pm

2 stops37h 35m

Los Angeles

Wed 4/8

12:26 pm-2:05 am

2 stops33h 39m

$1,000

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

Wed 3/25

5:20 am-11:29 pm

1 stop22h 09m

Los Angeles

Tue 4/7

2:11 am-12:20 am

1 stop18h 09m

$1,025

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

Wed 12/31

7:45 am-9:39 am

2 stops30h 54m

Los Angeles

Sun 1/11

10:55 pm-6:10 am

2 stops50h 15m

$1,220

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

Tue 12/30

1:21 am-10:44 pm

1 stop26h 23m

Los Angeles

Sat 1/10

1:25 am-3:53 am

1 stop21h 28m

$1,248

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Rosario to Los Angeles

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rosario to Los Angeles in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rosario-Los Angeles flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rosario-Los Angeles flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Rosario-Los Angeles flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rosario-Los Angeles flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rosario-Los Angeles flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rosario to Los Angeles

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

What is the cheapest month to book a flight from Rosario to Los Angeles?

Currently, September is the cheapest month in which you can book a flight from Rosario to Los Angeles (average of $953). Flying from Rosario to Los Angeles in November is currently the most expensive (average of $1,454). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Los Angeles

Get insights into the airlines that provide service to Los Angeles. 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 Los Angeles. Reviews last updated October 29, 2025.
See what other customers who have flown with LATAM Airlines from Rosario to Los Angeles have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,871 reviews

Food

6.7

Boarding

7.5

Entertainment

7.0

Crew

8.0

Comfort

7.3

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Darrel,Sep 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.
LATAM Airlines
7.5
Good
1,871 reviews
LATAM Airlines
7.5
Good
1,871 reviews

Food

6.7

Boarding

7.5

Entertainment

7.0

Crew

8.0

Comfort

7.3

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Darrel,Sep 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.

Related info for your journey

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

  • How long is the flight from Rosario to Los Angeles?

    Departing from Rosario to Los Angeles will take you 22h 09m. There are 5938 mi between Rosario and Los Angeles. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Rosario to Los Angeles round-trip?

    Currently priced at $1,033, LATAM Airlines will fly you from Rosario to Los Angeles and back. In addition to LATAM Airlines, many other airlines offer competitively priced options for your trip. This flight start at 30% lower than the current average price 3 months from now.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Rosario to Los Angeles?

    Currently, September is the cheapest month in which you can book a flight from Rosario to Los Angeles (average of $953). Flying from Rosario to Los Angeles in November is currently the most expensive (average of $1,454). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
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Top airline flying from Rosario to Los Angeles

Discover the top airline that operate flights from Rosario to Los Angeles. 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$1,033Average$1,209FlexibilityNo cancel feeOn-time81%

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