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$1,062+ Cheap flights from California to Rosario (ROS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ROS
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Find flight deals from California to Rosario

Cheapest flights from California to Rosario
Explore the most affordable flight options available from California to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

This Copa Airlines deal was found by Cheapflights users on 10/12. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:36 amSFO - ROS
1 stop18h 45mCopa Airlines
Mon 1/125:20 amROS - SFO
1 stop23h 00mCopa Airlines
Deal found 10/12$1,062
This American Airlines deal was found by Cheapflights users on 10/12. 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 12/308:00 amSFO - ROS
2 stops37h 00mAmerican Airlines
Sun 1/112:55 amROS - SFO
2 stops45h 17mAmerican Airlines
Deal found 10/12$1,705
This LATAM Airlines deal was found by Cheapflights users on 10/12. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amSFO - ROS
2 stops19h 10mLATAM Airlines
Mon 1/122:05 pmROS - SFO
2 stops27h 40mLATAM Airlines
Deal found 10/12$2,656

Cheap flight deals from California to Rosario

Keep the following information in mind while searching for California to Rosario flight deals. Data was last updated October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,062
(Copa Airlines)

Popular in

December

Cheapest in

September

Average price

$1,131
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 California to Rosario Fisherton
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from California 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 October 14, 2025.
Use the filters below to find and compare flights from California to Rosario that are best for you.

Fly from

California

Fly to

Rosario

Route

Depart

Return

Price

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

Mon 12/29

12:36 am-12:21 am

1 stop18h 45m

Rosario Fisherton

Mon 1/12

5:20 am-11:20 pm

1 stop23h 00m

$1,062

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

Tue 12/30

8:00 am-2:00 am

2 stops37h 00m

Rosario Fisherton

Sun 1/11

2:55 am-7:12 pm

2 stops45h 17m

$1,705

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

Tue 12/30

6:00 am-6:10 am

2 stops19h 10m

Rosario Fisherton

Mon 1/12

2:05 pm-12:45 pm

2 stops27h 40m

$2,656

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Best time to book a flight from California to Rosario

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

What is the cheapest time of day to fly from CA to ROS?

Find hourly flight availability from California to Rosario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 14, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 20% on flights from California to Rosario by exploring options for tickets in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from California to Rosario. 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 into for flights to Rosario from California?

    Most people fly into Rosario Fisherton (ROS) if they book a flight to Rosario from California. Fisherton is conveniently located just 6.6 mi from Rosario’s city center.

  • How long is the flight from California to Rosario?

    There are many flights that can get you from California to Rosario in 18h 45m. Fly via Copa Airlines, American Airlines, or LATAM Airlines to get the fastest option. The distance between California and Rosario is about 6274 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    While some choose either Santa Ana J. Wayne/Orange Cnty - Rosario Fisherton or San Jose - Rosario Fisherton, Los Angeles - Rosario Fisherton is the most popular route from California to Rosario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from California 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 California to Rosario

Discover the top 2 airlines that operate flights from California 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$535Average$1,371FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$993Average$1,302FlexibilityNo cancel feeOn-time70%

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