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$658+ Cheap flights from Rosario (ROS) to Los Angeles (LAX)

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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
ROS — LAX
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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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 septiembre 11, 2025.

Round-trip from

$1,345
(FlightHub)

One-way from

$658
(American Airlines)

Popular in

November

Cheapest in

August

Average price

$1,499
From Rosario Fisherton to Los Angeles
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One-way flight from Rosario Fisherton to Los Angeles
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Highest demand for flights based on searches. 6% potential increase in price ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/317:45 amROS - LAX
1 stop15h 15mLATAM Airlines
dom. 1/118:35 pmLAX - ROS
2 stops48h 05mLATAM Airlines
Deal found 9/10$1,345
This Copa Airlines deal was found by Cheapflights users on 9/11. 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.
mar. 12/301:21 amROS - LAX
1 stop26h 23mCopa Airlines
dom. 1/119:22 pmLAX - ROS
1 stop21h 58mCopa Airlines
Deal found 9/11$2,129
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/319:00 amROS - LAX
3 stops26h 50mMultiple Airlines
dom. 1/1110:35 amLAX - ROS
3 stops27h 45mMultiple Airlines
Deal found 9/11$3,269

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 septiembre 11, 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

mié. 12/31

7:45 am-6:00 pm

1 stop15h 15m

Los Angeles

dom. 1/11

8:35 pm-1:40 am

2 stops48h 05m

$1,345

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

mar. 12/30

1:21 am-10:44 pm

1 stop26h 23m

Los Angeles

dom. 1/11

9:22 pm-12:20 am

1 stop21h 58m

$2,129

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

lun. 1/26

2:55 am-9:39 am

2 stops35h 44m

$658

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

mar. 1/27

10:25 am-12:45 pm

3 stops31h 20m

$672

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

lun. 1/26

1:34 am-12:00 pm

1 stop15h 26m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, January is the cheapest month in which you can book a flight from Rosario to Los Angeles (average of $246). Flying from Rosario to Los Angeles in March is currently the most expensive (average of $325). 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.

How much does it cost to fly round-trip from Rosario to Los Angeles?

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 septiembre 11, 2025.
See what other customers who have flown with Copa Airlines and 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.
Copa Airlines
7.6
Good
1,531 reviews

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Copa Airlines
7.6
Good
1,531 reviews
Copa Airlines
7.6
Good
1,531 reviews

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
LATAM Airlines
7.5
Good
1,847 reviews
Copa Airlines
7.6
Good
1,531 reviews

Boarding

7.8

Entertainment

6.8

Comfort

7.4

Food

6.8

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

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 15h 15m. There are 5938 mi between Rosario and Los Angeles.

  • What are the cheapest airlines flying 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. Check Cheapflights for deals on Copa Airlines for as low as $1,156. These flights 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, January is the cheapest month in which you can book a flight from Rosario to Los Angeles (average of $246). Flying from Rosario to Los Angeles in March is currently the most expensive (average of $325). 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?

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Top 2 airlines flying from Rosario to Los Angeles

Discover the top 2 airlines 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$1,033Average$1,209FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$1,156Average$1,383FlexibilityNo cancel feeOn-time70%

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