Rosario

$1,294+ Cheap flights from San Francisco (SFO) 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ROS
ago. 25 — sep. 11
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Cheap flight deals from San Francisco to Rosario

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 agosto 20, 2025.

Round-trip from

$1,294
(LATAM Airlines)

Popular in

May

Cheapest in

August

Average price

$993
From San Francisco to Rosario Fisherton
Highest demand for flights based on searches. 18% potential increase in price ($302 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from San Francisco to Rosario

Cheapest flights from San Francisco to Rosario
Explore the most affordable flight options available from San Francisco to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.

This Copa Airlines deal was found by Cheapflights users on 8/19. 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.
lun. 12/2912:36 amSFO - ROS
1 stop18h 45mCopa Airlines
lun. 1/125:20 amROS - SFO
1 stop23h 00mCopa Airlines
Deal found 8/19$1,464
This LATAM Airlines deal was found by Cheapflights users on 8/19. 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.
mar. 12/306:00 amSFO - ROS
2 stops19h 05mLATAM Airlines
lun. 1/127:50 amROS - SFO
2 stops19h 22mLATAM Airlines
Deal found 8/19$1,569
This KAYAK deal was found by Cheapflights users on 8/18. 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.
mar. 12/96:00 amSFO - ROS
2 stops19h 05mLATAM Airlines
mar. 1/67:50 amROS - SFO
2 stops19h 22mLATAM Airlines
Deal found 8/18$2,059
This KAYAK deal was found by Cheapflights users on 8/18. 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.
mar. 12/96:00 amSFO - ROS
2 stops19h 05mLATAM Airlines
mié. 1/77:50 amROS - SFO
2 stops19h 22mLATAM Airlines
Deal found 8/18$2,274
This KAYAK deal was found by Cheapflights users on 8/18. 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.
mar. 12/96:00 amSFO - ROS
2 stops19h 05mLATAM Airlines
lun. 1/57:50 amROS - SFO
2 stops19h 22mLATAM Airlines
Deal found 8/18$2,569
This KAYAK deal was found by Cheapflights users on 8/18. 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.
mar. 12/96:00 amSFO - ROS
2 stops19h 05mLATAM Airlines
vie. 1/27:50 amROS - SFO
2 stops20h 24mLATAM Airlines
Deal found 8/18$2,659
This LATAM Airlines deal was found by Cheapflights users on 8/18. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1811:00 pmSFO - ROS
2 stops50h 05mMultiple Airlines
mié. 1/77:50 amROS - SFO
2 stops28h 40mMultiple Airlines
Deal found 8/18$2,772

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco 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 agosto 20, 2025.
Use the filters below to find and compare flights from San Francisco to Rosario that are best for you.

Fly from

San Francisco

Fly to

Rosario

Route

Depart

Return

Price

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

lun. 2/2

6:00 am-6:05 am

2 stops19h 05m

Rosario Fisherton

mié. 2/25

7:50 am-10:44 am

2 stops31h 54m

$1,294

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

lun. 2/2

6:00 am-6:05 am

2 stops19h 05m

Rosario Fisherton

lun. 2/23

7:50 am-11:51 pm

2 stops21h 01m

$1,294

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

dom. 2/1

9:30 pm-6:05 am

2 stops27h 35m

Rosario Fisherton

mié. 2/25

7:50 am-10:44 am

2 stops31h 54m

$1,294

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

mar. 2/3

6:00 am-6:05 am

2 stops19h 05m

Rosario Fisherton

lun. 2/23

7:50 am-11:12 pm

2 stops20h 22m

$1,294

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

mar. 2/3

6:00 am-6:05 am

2 stops19h 05m

Rosario Fisherton

mié. 2/25

7:50 am-11:51 pm

2 stops21h 01m

$1,294

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

mar. 2/3

6:00 am-6:05 am

2 stops19h 05m

Rosario Fisherton

mar. 2/24

7:50 am-11:12 pm

2 stops20h 22m

$1,294

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

dom. 2/1

9:30 pm-6:05 am

2 stops27h 35m

Rosario Fisherton

mar. 2/24

7:50 am-11:51 pm

2 stops21h 01m

$1,294

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

lun. 2/2

6:00 am-6:05 am

2 stops19h 05m

Rosario Fisherton

mar. 2/24

7:50 am-11:51 pm

2 stops21h 01m

$1,294

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

lun. 2/2

6:00 am-6:05 am

2 stops19h 05m

Rosario Fisherton

lun. 2/23

7:50 am-10:59 pm

2 stops20h 09m

$1,318

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

dom. 2/1

9:30 pm-6:05 am

2 stops27h 35m

Rosario Fisherton

vie. 2/20

7:50 am-11:51 pm

2 stops21h 01m

$1,334

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 12 results
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Best time to book a flight from San Francisco to Rosario

Have a flexible travel schedule? Discover the best time to fly to Rosario from San Francisco 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 agosto 20, 2025.
See what other customers who have flown with Copa Airlines from San Francisco to Rosario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.1

Food

6.8

Comfort

7.4

Entertainment

6.8

Overall

7.5

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.

Crew

8.1

Food

6.8

Comfort

7.4

Entertainment

6.8

Overall

7.5

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 San Francisco 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 San Francisco to Rosario?

    A quick flight from San Francisco to Rosario can take about 19h 05m. LATAM Airlines provides one of the quickest options available for as low as $1,294. The distance from San Francisco to Rosario is about 6274 mi.

  • What is the cheapest airline to fly from San Francisco to Rosario round-trip?

    Currently priced at $993, Copa Airlines will fly you from San Francisco to Rosario and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. This flight start at 26% lower than the current average price 3 months from now.

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

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

  • How can I find direct flights from San Francisco to Rosario?

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

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

    Yes. Cheapflights offers flight deals from San Francisco 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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Alternative routes for San Francisco to Rosario

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from San Francisco to Rosario

Discover the top airline that operate flights from San Francisco 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 agosto 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$993Average$1,473FlexibilityNo cancel feeOn-time70%

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