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Rosario

$435+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ROS
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
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 January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$786
(KAYAK)

One-way from

$435
(Copa Airlines)

Popular in

December

Cheapest in

September
Provider with most accurate pricing for Los Angeles-Rosario Fisherton flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Rosario Fisherton flights.
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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. 20% potential increase in price ($330 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).
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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 January 14, 2026.

This LATAM Airlines deal was found by Cheapflights users on 1/11. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:50 pm
LAX
-
ROS
2 stops34h 35m
LATAM Airlines
Fri 11/67:35 am
ROS
-
LAX
1 stop15h 25m
LATAM Airlines
Deal found 1/11$684
This KAYAK deal was found by Cheapflights users on 1/13. 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.
Wed 3/410:55 pm
LAX
-
ROS
2 stops46h 20m
Multiple Airlines
Tue 4/71:26 am
ROS
-
LAX
2 stops19h 04m
Multiple Airlines
Deal found 1/13$786
This Ovago deal was found by Cheapflights users on 1/13. 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.
Thu 4/1611:59 pm
LAX
-
ROS
2 stops20h 16m
Copa Airlines
Thu 5/145:09 am
ROS
-
LAX
2 stops22h 34m
Copa Airlines
Deal found 1/13$802
This Ovago deal was found by Cheapflights users on 1/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1912:55 am
LAX
-
ROS
2 stops21h 58m
Multiple Airlines
Sat 1/246:20 pm
ROS
-
LAX
2 stops27h 36m
Multiple Airlines
Deal found 1/11$882
This Trip.com deal was found by Cheapflights users on 1/13. 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 9/1011:35 am
LAX
-
ROS
2 stops25h 10m
Multiple Airlines
Thu 9/178:05 pm
ROS
-
LAX
2 stops39h 45m
Multiple Airlines
Deal found 1/13$904
This Gotogate deal was found by Cheapflights users on 1/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1010:30 am
LAX
-
ROS
1 stop14h 40m
LATAM Airlines
Tue 3/102:45 am
ROS
-
LAX
2 stops33h 05m
LATAM Airlines
Deal found 1/13$952
This LATAM Airlines deal was found by Cheapflights users on 1/13. 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.
Thu 9/101:50 pm
LAX
-
ROS
1 stop17h 20m
LATAM Airlines
Thu 9/174:45 pm
ROS
-
LAX
1 stop18h 15m
LATAM Airlines
Deal found 1/13$966
This Mytrip deal was found by Cheapflights users on 1/13. 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 2/912:33 am
LAX
-
ROS
3 stops24h 37m
Multiple Airlines
Tue 3/102:45 am
ROS
-
LAX
2 stops33h 05m
Multiple Airlines
Deal found 1/13$967

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 January 14, 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

Mon 1/19

12:55 am-3:53 am

2 stops21h 58m

Rosario Fisherton

Sat 1/24

6:20 pm-4:56 pm

2 stops27h 36m

$882

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Tue 2/10

10:30 am-6:10 am

1 stop14h 40m

Rosario Fisherton

Tue 3/10

2:45 am-7:50 am

2 stops33h 05m

$952

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Mon 2/9

12:33 am-6:10 am

3 stops24h 37m

Rosario Fisherton

Tue 3/10

2:45 am-7:50 am

2 stops33h 05m

$967

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Wed 3/4

10:30 am-1:40 am

2 stops34h 10m

Rosario Fisherton

Wed 4/8

7:35 am-6:50 pm

1 stop15h 15m

$969

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sat 3/7

8:30 pm-1:40 am

2 stops24h 10m

Rosario Fisherton

Sat 4/4

12:10 pm-11:11 am

2 stops51h 01m

$1,001

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Fri 2/27

8:30 pm-6:10 am

1 stop28h 40m

Rosario Fisherton

Thu 3/5

2:45 am-6:20 am

1 stop32h 35m

$1,012

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Fri 2/27

10:30 am-9:40 am

2 stops18h 10m

Rosario Fisherton

Fri 3/6

9:00 pm-6:50 am

2 stops38h 50m

$1,063

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Thu 3/5

10:30 am-2:15 am

2 stops34h 45m

Rosario Fisherton

Thu 3/12

4:10 am-11:12 am

2 stops35h 02m

$1,190

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Fri 5/1

2:02 am-12:12 am

1 stop18h 10m

$435

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Fri 5/1

12:15 am-6:05 am

3 stops25h 50m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust 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 Los Angeles-Rosario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Los Angeles-Rosario flight deals on Cheapflights vs. eDreams >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 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 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 January 14, 2026.
Read reviews from past customers who have flown Copa Airlines and LATAM 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.
Copa Airlines
7.6
Good
1,559 reviews

Entertainment

6.8

Overall

7.6

Comfort

7.4

Crew

8.1

Boarding

7.8

Food

6.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
Copa Airlines
7.6
Good
1,559 reviews
Copa Airlines
7.6
Good
1,559 reviews

Entertainment

6.8

Overall

7.6

Comfort

7.4

Crew

8.1

Boarding

7.8

Food

6.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
LATAM Airlines
7.5
Good
1,904 reviews
Copa Airlines
7.6
Good
1,559 reviews

Entertainment

6.8

Overall

7.6

Comfort

7.4

Crew

8.1

Boarding

7.8

Food

6.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

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 14h 40m. There are 5938 mi between Los Angeles and Rosario.

  • 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. These flights start at 64% lower than the current average price 3 months from now.

  • 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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$535Average$1,371FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$997Average$1,109FlexibilityNo cancel feeOn-time70%

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