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$584+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
ROS — LAX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,235
(Copa Airlines)

One-way from

$584
(Kiwi.com)

Popular in

November

Cheapest in

October

Average price

$1,416
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. 10% potential increase in price ($198 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($100 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Copa Airlines deal was found by Cheapflights users on 6/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/165:07 amROS - LAX
1 stop22h 06mCopa Airlines
Sun 9/2110:04 pmLAX - ROS
1 stop22h 09mCopa Airlines
Deal found 6/10$1,235
This oojo deal was found by Cheapflights users on 6/12. 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 12/317:30 amROS - LAX
1 stop15h 25mLATAM Airlines
Sun 1/118:25 pmLAX - ROS
2 stops48h 15mLATAM Airlines
Deal found 6/12$1,266
This Copa Airlines deal was found by Cheapflights users on 6/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/311:21 amROS - SFO
1 stop26h 19mCopa Airlines
Sat 11/2912:55 amSFO - ROS
1 stop18h 26mCopa Airlines
Deal found 6/10$1,269
This oojo deal was found by Cheapflights users on 6/11. 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
2 stops26h 45mMultiple Airlines
Sun 1/118:25 pmLAX - ROS
2 stops48h 15mMultiple Airlines
Deal found 6/11$1,429
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Sun 7/273:15 pmROS - SFO
3 stops36h 25mMultiple Airlines
Sat 8/21:28 amSFO - ROS
1 stop18h 46mMultiple Airlines
Deal found 6/12$1,667
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 7/263:00 amROS - SFO
2 stops36h 13mAmerican Airlines
Sun 8/311:54 pmSFO - ROS
2 stops46h 11mAmerican Airlines
Deal found 6/12$1,763
This American Airlines deal was found by Cheapflights users on 6/12. 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 stops36h 56mAmerican Airlines
Sun 1/116:30 pmLAX - ROS
2 stops50h 35mAmerican Airlines
Deal found 6/12$2,134

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 June 12, 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

Tue 9/16

5:07 am-11:13 pm

1 stop22h 06m

Los Angeles

Sun 9/21

10:04 pm-12:13 am

1 stop22h 09m

$1,235

RosarioSan Francisco

ROS - SFO

ROSSFO

Rosario Fisherton

Sun 8/31

1:21 am-11:40 pm

1 stop26h 19m

San Francisco

Sat 11/29

12:55 am-12:21 am

1 stop18h 26m

$1,269

RosarioSan Francisco

ROS - SFO

ROSSFO

Rosario Fisherton

Sun 7/27

3:15 pm-11:40 pm

3 stops36h 25m

San Francisco

Sat 8/2

1:28 am-12:14 am

1 stop18h 46m

$1,667

RosarioSan Francisco

ROS - SFO

ROSSFO

Rosario Fisherton

Sat 7/26

3:00 am-11:13 am

2 stops36h 13m

San Francisco

Sun 8/3

11:54 pm-2:05 am

2 stops46h 11m

$1,763

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

Tue 9/16

1:05 pm-6:55 pm

2 stops33h 50m

Los Angeles

Sun 9/21

11:50 pm-6:05 am

2 stops50h 15m

$1,882

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

Tue 6/17

8:35 pm-11:01 pm

2 stops30h 26m

$584

RosarioLos Angeles

ROS - LAX

ROSLAX

Rosario Fisherton

Tue 6/17

5:07 am-11:11 pm

1 stop22h 04m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $327). 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.

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 June 12, 2025.
Copa Airlines
7.5
Good
1,451 reviews

Crew

8.1

Overall

7.5

Food

6.8

Comfort

7.4

Entertainment

6.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
Copa Airlines
7.5
Good
1,451 reviews
Copa Airlines
7.5
Good
1,451 reviews

Crew

8.1

Overall

7.5

Food

6.8

Comfort

7.4

Entertainment

6.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
American Airlines
7.2
Good
10,000 reviews
Copa Airlines
7.5
Good
1,451 reviews

Crew

8.1

Overall

7.5

Food

6.8

Comfort

7.4

Entertainment

6.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.

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.

  • 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 - Sacramento Intl or Rosario Fisherton - San Francisco.

  • 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 $327). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$841Average$1,294FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$904Average$1,149FlexibilityNo cancel feeOn-time81%

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