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Rosario

$1,454+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ROS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$1,454
(American Airlines)
From San Francisco to Rosario Fisherton
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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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 12/3010:11 amSFO - ROS
2 stops34h 49mAmerican Airlines
Sun 1/112:55 amROS - SFO
2 stops40h 21mAmerican Airlines
Deal found 9/14$1,454
This Copa Airlines deal was found by Cheapflights users on 9/14. 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 9/14$1,801
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Tue 12/161:17 pmSFO - ROS
2 stops56h 38mGOL
Thu 1/82:55 amROS - SFO
2 stops36h 11mGOL
Deal found 9/14$2,981
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:21 amSFO - ROS
2 stops38h 34mGOL
Sun 1/44:10 amROS - SFO
2 stops47h 58mGOL
Deal found 9/15$3,191
This Ovago deal was found by Cheapflights users on 9/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:45 amSFO - ROS
2 stops37h 10mMultiple Airlines
Sun 1/41:34 amROS - SFO
1 stop23h 55mMultiple Airlines
Deal found 9/15$7,801

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 September 15, 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

Tue 12/30

10:11 am-2:00 am

2 stops34h 49m

Rosario Fisherton

Sun 1/11

2:55 am-2:16 pm

2 stops40h 21m

$1,454

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

$1,801

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

Tue 12/16

1:17 pm-2:55 am

2 stops56h 38m

Rosario Fisherton

Thu 1/8

2:55 am-10:06 am

2 stops36h 11m

$2,981

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

Wed 12/17

7:21 am-2:55 am

2 stops38h 34m

Rosario Fisherton

Sun 1/4

4:10 am-11:08 pm

2 stops47h 58m

$3,191

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

Wed 12/17

8:45 am-2:55 am

2 stops37h 10m

Rosario Fisherton

Sun 1/4

1:34 am-8:29 pm

1 stop23h 55m

$7,801

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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 September 15, 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.
Copa Airlines
7.6
Good
1,531 reviews

Crew

8.1

Entertainment

6.8

Boarding

7.8

Comfort

7.4

Overall

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring
Copa Airlines
7.6
Good
1,531 reviews
Copa Airlines
7.6
Good
1,531 reviews

Crew

8.1

Entertainment

6.8

Boarding

7.8

Comfort

7.4

Overall

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring

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 18h 45m. American Airlines provides one of the quickest options available for as low as $1,801. The distance from San Francisco to Rosario is about 6274 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

  • 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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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$993Average$1,468FlexibilityNo cancel feeOn-time70%

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