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$658+ Cheap flights from Rosario (ROS) to California

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
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Rosario to California

Keep the following information in mind while searching for Rosario to California flight deals. Data was last updated September 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 California
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One-way flight from Rosario Fisherton to California
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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 California

Cheapest flights from Rosario to California
Explore the most affordable flight options available from Rosario to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 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.
Wed 12/317:45 amROS - LAX
1 stop15h 15mLATAM Airlines
Sun 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.
Tue 12/301:21 amROS - LAX
1 stop26h 23mCopa Airlines
Sun 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.
Wed 12/319:00 amROS - LAX
3 stops26h 50mMultiple Airlines
Sun 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 California 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 September 11, 2025.
Use the filters below to find and compare flights from Rosario to California that are best for you.

Fly from

Rosario

Fly to

California

Route

Depart

Return

Price

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

Wed 12/31

7:45 am-6:00 pm

1 stop15h 15m

Los Angeles

Sun 1/11

8:35 pm-1:40 am

2 stops48h 05m

$1,345

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

Tue 12/30

1:21 am-10:44 pm

1 stop26h 23m

Los Angeles

Sun 1/11

9:22 pm-12:20 am

1 stop21h 58m

$2,129

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

Mon 1/26

2:55 am-9:39 am

2 stops35h 44m

$658

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

Tue 1/27

10:25 am-12:45 pm

3 stops31h 20m

$672

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

Mon 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 California

Have a flexible travel schedule? Discover the best time to fly to California 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 California

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

Currently, January is the cheapest month in which you can book a flight from Rosario to California (average of $246). Flying from Rosario to California 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 California?

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. 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 California. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Rosario to California, such as Copa Airlines and LATAM Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,531 reviews

Crew

8.1

Boarding

7.8

Entertainment

6.8

Overall

7.6

Food

6.8

Comfort

7.4

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

Crew

8.1

Boarding

7.8

Entertainment

6.8

Overall

7.6

Food

6.8

Comfort

7.4

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

Crew

8.1

Boarding

7.8

Entertainment

6.8

Overall

7.6

Food

6.8

Comfort

7.4

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 California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Rosario to California?

    Located just 6.6 mi from the city center, Rosario Fisherton (ROS) is the airport most travelers will use when flying to California from Rosario.

  • How long is the flight from Rosario to California?

    Airlines like LATAM Airlines fly from Rosario to California in about 15h 15m. The time it takes to get you to your destination can typically vary by up to . The distance between Rosario and California is about 5938 mi.

  • What are the most popular routes from Rosario to California?

    The most popular route from Rosario to California is Rosario Fisherton - Los Angeles. You may also consider Rosario Fisherton - San Francisco or Rosario Fisherton - Sacramento Intl.

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

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

  • How can I find direct flights from Rosario to California?

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

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

    Yes. Cheapflights offers flight deals from Rosario to California 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 California?

    Currently, January is the cheapest month in which you can book a flight from Rosario to California (average of $246). Flying from Rosario to California 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

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Top 2 airlines flying from Rosario to California

Discover the top 2 airlines that operate flights from Rosario to California. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$1,033Average$1,209FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$1,088Average$1,317FlexibilityNo cancel feeOn-time70%

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