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Rosario

$1,168+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ROS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$1,245
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$1,284
From San Francisco to Rosario Fisherton
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($303 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 3, 2025.

This Copa Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 10/291:36 amSFO - ROS
1 stop18h 37mCopa Airlines
Sun 11/21:21 amROS - SFO
1 stop26h 56mCopa Airlines
Deal found 7/2$1,168
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Thu 8/1412:05 amSFO - ROS
3 stops33h 20mMultiple Airlines
Mon 9/17:50 pmROS - SFO
3 stops30h 55mMultiple Airlines
Deal found 7/2$1,526
This Ovago deal was found by Cheapflights users on 7/3. 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.
Tue 12/166:00 amSFO - ROS
2 stops19h 05mLATAM Airlines
Thu 1/82:45 amROS - SFO
2 stops38h 16mLATAM Airlines
Deal found 7/3$2,248
This Aeromexico deal was found by Cheapflights users on 7/2. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:05 pmSFO - ROS
2 stops29h 05mAeromexico
Mon 11/37:50 pmROS - SFO
2 stops20h 40mAeromexico
Deal found 7/2$4,332

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 July 3, 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

Wed 10/29

1:36 am-12:13 am

1 stop18h 37m

Rosario Fisherton

Sun 11/2

1:21 am-11:17 pm

1 stop26h 56m

$1,168

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

Thu 8/14

12:05 am-1:25 pm

3 stops33h 20m

Rosario Fisherton

Mon 9/1

7:50 pm-10:45 pm

3 stops30h 55m

$1,526

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

Tue 12/16

6:00 am-6:05 am

2 stops19h 05m

Rosario Fisherton

Thu 1/8

2:45 am-12:01 pm

2 stops38h 16m

$2,248

San FranciscoRosario

SFO - ROS

SFOROS

San Francisco

Thu 10/30

11:05 pm-8:10 am

2 stops29h 05m

Rosario Fisherton

Mon 11/3

7:50 pm-11:30 am

2 stops20h 40m

$4,332

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 July 3, 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
7.5
Good
1,467 reviews

Comfort

7.4

Food

6.8

Overall

7.5

Crew

8.1

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
1,467 reviews
Copa Airlines
7.5
Good
1,467 reviews

Comfort

7.4

Food

6.8

Overall

7.5

Crew

8.1

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 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.

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

    Currently priced at $1,245, 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 7% 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

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$993Average$1,452FlexibilityNo cancel feeOn-time70%

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