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Rosario

$557+ Cheap flights from California 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ROS
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
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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 January 18, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$894
(KAYAK)

One-way from

$557
(Kiwi.com)

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 California to Rosario Fisherton
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One-way flight from California 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 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 January 18, 2026.

This LATAM Airlines deal was found by Cheapflights users on 1/15. 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 11/310:45 pm
LAX
-
ROS
2 stops35h 40m
LATAM Airlines
Fri 11/67:35 am
ROS
-
LAX
1 stop15h 25m
LATAM Airlines
Deal found 1/15$684
This KAYAK deal was found by Cheapflights users on 1/18. 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.
Wed 2/1811:59 pm
LAX
-
ROS
2 stops32h 26m
Multiple Airlines
Wed 4/291:26 am
ROS
-
LAX
2 stops18h 42m
Multiple Airlines
Deal found 1/18$894
This Copa Airlines deal was found by Cheapflights users on 1/18. 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.
Tue 2/171:01 am
LAX
-
ROS
1 stop18h 19m
Copa Airlines
Wed 4/291:26 am
ROS
-
LAX
1 stop15h 34m
Copa Airlines
Deal found 1/18$989
This Gurufare deal was found by Cheapflights users on 1/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1811:59 pm
LAX
-
ROS
2 stops32h 26m
Multiple Airlines
Wed 4/221:26 am
ROS
-
LAX
2 stops19h 04m
Multiple Airlines
Deal found 1/18$1,019
This LATAM Airlines deal was found by Cheapflights users on 1/17. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:30 pm
LAS
-
ROS
2 stops26h 35m
LATAM Airlines
Sun 8/237:35 am
ROS
-
LAS
2 stops19h 09m
LATAM Airlines
Deal found 1/17$1,213
This Copa Airlines deal was found by Cheapflights users on 1/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:12 am
SFO
-
ROS
1 stop22h 31m
Copa Airlines
Sat 8/15:09 am
ROS
-
SFO
1 stop22h 31m
Copa Airlines
Deal found 1/16$1,465
This Gurufare deal was found by Cheapflights users on 1/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:55 pm
SFO
-
ROS
2 stops33h 10m
Multiple Airlines
Sat 8/112:10 pm
ROS
-
SFO
2 stops28h 27m
Multiple Airlines
Deal found 1/16$1,766

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 January 18, 2026.
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

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Tue 2/17

1:01 am-12:20 am

1 stop18h 19m

Rosario Fisherton

Wed 4/29

1:26 am-1:00 pm

1 stop15h 34m

$989

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Wed 2/18

9:08 pm-12:20 am

1 stop22h 12m

Rosario Fisherton

Thu 4/23

5:12 am-11:36 pm

1 stop22h 24m

$989

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Wed 2/18

11:59 pm-1:25 pm

2 stops32h 26m

Rosario Fisherton

Wed 4/22

1:26 am-4:30 pm

2 stops19h 04m

$1,019

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Wed 2/18

9:08 pm-3:53 am

1 stop25h 45m

Rosario Fisherton

Thu 4/30

5:12 am-8:56 pm

2 stops19h 44m

$1,223

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

Tue 6/30

1:12 am-3:43 am

1 stop22h 31m

Rosario Fisherton

Sat 8/1

5:09 am-11:40 pm

1 stop22h 31m

$1,465

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Wed 2/18

2:05 pm-1:40 am

3 stops30h 35m

Rosario Fisherton

Thu 4/23

8:00 pm-7:00 pm

2 stops27h 00m

$1,690

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Wed 2/18

2:05 pm-1:40 am

3 stops30h 35m

Rosario Fisherton

Thu 4/30

8:00 pm-7:00 pm

2 stops27h 00m

$1,690

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

Wed 7/1

4:55 pm-6:05 am

2 stops33h 10m

Rosario Fisherton

Sat 8/1

12:10 pm-12:37 pm

2 stops28h 27m

$1,769

Las VegasRosario

LAS - ROS

LASROS

Las Vegas Harry Reid Intl

Mon 4/20

6:55 pm-7:50 am

3 stops32h 55m

$557

Las VegasRosario

LAS - ROS

LASROS

Las Vegas Harry Reid Intl

Sun 4/19

12:45 am-12:15 am

1 stop19h 30m

$845

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

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
No data available for this route at this time. Please check back soon.

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 19m. Fly via Copa Airlines to get the fastest option. The distance between California and Rosario is about 5938 mi.

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

    While some choose either San Francisco - Rosario Fisherton or Santa Ana J. Wayne/Orange Cnty - 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 January 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$449Average$1,322FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$993Average$1,236FlexibilityNo cancel feeOn-time70%

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