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Rosario

$430+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ROS
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap 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 February 19, 2026.

This LATAM Airlines deal was found by Cheapflights users on 2/18. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:50 pm
LAX
-
ROS
2 stops35h 35m
LATAM Airlines
Fri 11/67:35 am
ROS
-
LAX
1 stop15h 25m
LATAM Airlines
Deal found 2/18$684
This KAYAK deal was found by Cheapflights users on 2/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:20 am
LAX
-
ROS
2 stops24h 05m
Multiple Airlines
Sat 3/78:15 pm
ROS
-
LAX
2 stops26h 08m
Multiple Airlines
Deal found 2/18$987
This Copa Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 2/251:06 am
LAX
-
ROS
1 stop21h 47m
Copa Airlines
Fri 3/61:26 am
ROS
-
LAX
1 stop26h 13m
Copa Airlines
Deal found 2/18$1,013
This Ovago deal was found by Cheapflights users on 2/17. 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.
Fri 4/31:50 pm
LAX
-
ROS
1 stop17h 20m
LATAM Airlines
Fri 4/107:35 am
ROS
-
LAX
1 stop15h 15m
LATAM Airlines
Deal found 2/17$1,134
This Mytrip deal was found by Cheapflights users on 2/17. 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.
Thu 4/212:15 am
LAX
-
ROS
3 stops28h 05m
Multiple Airlines
Fri 4/1012:10 pm
ROS
-
LAX
1 stop22h 50m
Multiple Airlines
Deal found 2/17$1,291
This Trip.com deal was found by Cheapflights users on 2/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1211:30 am
LAX
-
ROS
2 stops22h 05m
Multiple Airlines
Sat 3/216:30 pm
ROS
-
LAX
2 stops40h 45m
Multiple Airlines
Deal found 2/18$1,405
This KAYAK deal was found by Cheapflights users on 2/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/281:06 am
LAX
-
ROS
1 stop21h 47m
Multiple Airlines
Tue 4/215:12 am
ROS
-
LAX
2 stops19h 38m
Multiple Airlines
Deal found 2/16$1,452

Find 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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,013
(Copa Airlines)

One-way from

$430
(Kiwi.com)
Provider with most accurate pricing for Los Angeles-Rosario Fisherton flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Rosario Fisherton flights.
Search Deals
From Los Angeles to Rosario Fisherton
Search Deals
One-way flight from Los Angeles to Rosario Fisherton
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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 February 19, 2026.
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

Thu 2/26

8:20 am-1:25 pm

2 stops24h 05m

Rosario Fisherton

Sat 3/7

8:15 pm-5:23 pm

2 stops26h 08m

$987

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Wed 2/25

1:06 am-3:53 am

1 stop21h 47m

Rosario Fisherton

Fri 3/6

1:26 am-10:39 pm

1 stop26h 13m

$1,013

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sat 2/28

1:06 am-12:20 am

1 stop18h 14m

Rosario Fisherton

Tue 4/21

5:12 am-11:36 pm

1 stop22h 24m

$1,013

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Fri 4/3

1:50 pm-11:10 am

1 stop17h 20m

Rosario Fisherton

Fri 4/10

7:35 am-6:50 pm

1 stop15h 15m

$1,134

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Thu 4/2

12:15 am-8:20 am

3 stops28h 05m

Rosario Fisherton

Fri 4/10

12:10 pm-7:00 am

1 stop22h 50m

$1,291

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Thu 3/12

11:30 am-1:35 pm

2 stops22h 05m

Rosario Fisherton

Sat 3/21

6:30 pm-7:15 am

2 stops40h 45m

$1,405

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sat 2/28

1:06 am-3:53 am

1 stop21h 47m

Rosario Fisherton

Tue 4/21

5:12 am-8:50 pm

2 stops19h 38m

$1,452

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Wed 3/11

2:06 am-3:53 am

1 stop21h 47m

Rosario Fisherton

Fri 3/20

1:26 am-11:39 pm

1 stop26h 13m

$1,483

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sat 3/28

3:05 pm-11:10 am

2 stops40h 05m

Rosario Fisherton

Sat 4/4

8:20 pm-11:56 pm

3 stops31h 36m

$1,484

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Wed 3/11

9:24 am-8:30 am

2 stops43h 06m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 11 results
1
2

Compare providers for flights from Los Angeles to Rosario

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 Los Angeles to Rosario in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*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 Los Angeles-Rosario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Los Angeles-Rosario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Los Angeles-Rosario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Los Angeles-Rosario flights, Cheapflights users trust FlightHub the most. FlightHub 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 Los Angeles-Rosario 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 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.

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 February 19, 2026.
Read reviews from past customers who have flown LATAM Airlines and Copa Airlines from Los Angeles to Rosario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,921 reviews

Boarding

7.5

Crew

8.0

Overall

7.5

Comfort

7.3

Food

6.7

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
LATAM Airlines
7.5
Good
1,921 reviews
LATAM Airlines
7.5
Good
1,921 reviews

Boarding

7.5

Crew

8.0

Overall

7.5

Comfort

7.3

Food

6.7

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
Copa Airlines
7.5
Good
1,552 reviews
LATAM Airlines
7.5
Good
1,921 reviews

Boarding

7.5

Crew

8.0

Overall

7.5

Comfort

7.3

Food

6.7

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

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.

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

    Departing from Los Angeles to Rosario will take you 17h 20m. There are 5938 mi between Los Angeles and Rosario. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on LATAM Airlines is currently your cheapest option to Rosario, with prices starting at $449. Another option worth looking into is Copa Airlines, starting at $997 round trip.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$449Average$1,322FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$997Average$1,096FlexibilityNo cancel feeOn-time70%

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