$594 Cheap Flights from San Diego (SAN) to Rosario (ROS)

View $594 flight on Sat, Aug 22, 2026Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Rosario (ROS-Rosario - Islas Malvinas Intl.)

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Cheap Flights from San Diego to Rosario (SAN-ROS)

Prices were available within the past 7 days and start at $594 for one-way flights and $1,056 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Apr 8 - Wed, Apr 15
SAN
San Diego
ROS
Rosario
$1,056 Roundtrip, found 3 days ago
$1,056
Roundtrip
found 3 days ago
Select United flight, departing Wed, Apr 8 from San Diego to Rosario, returning Wed, Apr 15, priced at $1,056 found 3 days ago
United
Wed, Apr 8 - Wed, Apr 15
SAN
San Diego
ROS
Rosario
$1,068 Roundtrip, found 3 days ago
$1,068
Roundtrip
found 3 days ago
Select United flight, departing Wed, Apr 8 from San Diego to Rosario, returning Wed, Apr 15, priced at $1,068 found 3 days ago
United
Wed, Apr 8 - Wed, Apr 15
SAN
San Diego
ROS
Rosario
$1,070 Roundtrip, found 3 days ago
$1,070
Roundtrip
found 3 days ago
Select United flight, departing Wed, Apr 8 from San Diego to Rosario, returning Wed, Apr 15, priced at $1,070 found 3 days ago
United
Wed, Apr 8 - Wed, Apr 15
SAN
San Diego
ROS
Rosario
$1,082 Roundtrip, found 3 days ago
$1,082
Roundtrip
found 3 days ago
Select United flight, departing Wed, Apr 8 from San Diego to Rosario, returning Wed, Apr 15, priced at $1,082 found 3 days ago
United
Wed, Apr 8 - Wed, Apr 15
SAN
San Diego
ROS
Rosario
$1,094 Roundtrip, found 3 days ago
$1,094
Roundtrip
found 3 days ago
Select United flight, departing Wed, Apr 8 from San Diego to Rosario, returning Wed, Apr 15, priced at $1,094 found 3 days ago
Copa
Sat, Aug 22 - Sat, Sep 19
SAN
San Diego
ROS
Rosario
$1,144 Roundtrip, found 3 days ago
$1,144
Roundtrip
found 3 days ago
Select Copa flight, departing Sat, Aug 22 from San Diego to Rosario, returning Sat, Sep 19, priced at $1,144 found 3 days ago
Copa
Sat, Aug 22 - Sat, Sep 19
SAN
San Diego
ROS
Rosario
$1,158 Roundtrip, found 3 days ago
$1,158
Roundtrip
found 3 days ago
Select Copa flight, departing Sat, Aug 22 from San Diego to Rosario, returning Sat, Sep 19, priced at $1,158 found 3 days ago
Delta
Wed, Apr 8 - Wed, Apr 15
SAN
San Diego
ROS
Rosario
$1,201 Roundtrip, found 3 days ago
$1,201
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Apr 8 from San Diego to Rosario, returning Wed, Apr 15, priced at $1,201 found 3 days ago
LATAM Airlines Group
Wed, Apr 8 - Wed, Apr 15
SAN
San Diego
ROS
Rosario
$1,215 Roundtrip, found 3 days ago
$1,215
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Wed, Apr 8 from San Diego to Rosario, returning Wed, Apr 15, priced at $1,215 found 3 days ago
Alaska Airlines
Wed, Apr 8 - Wed, Apr 15
SAN
San Diego
ROS
Rosario
$1,326 Roundtrip, found 3 days ago
$1,326
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Apr 8 from San Diego to Rosario, returning Wed, Apr 15, priced at $1,326 found 3 days ago

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Flights from San Diego (SAN) to Rosario (ROS)
Origin airport
San Diego Intl.
Destination airport
Rosario - Islas Malvinas Intl.
Roundtrip price
$1,055
Distance
5834 mi

San Diego to Rosario Flights

The cheapest times to fly from San Diego to Rosario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Rosario are during the month of April. You can find some of the cheapest flights from San Diego to Rosario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Rosario

Sunday is one of the best days to book for cheap flights from San Diego to Rosario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to Rosario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Rosario in 2025. You can also book with separate airlines for your outbound and return journeys, from $594 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Rosario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Rosario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Rosario - Islas Malvinas Intl. Airport (ROS) cost?
Secure a cheap one-way flight from $594 or cheap return flight from $1,056 from San Diego Intl. Airport (SAN) to Rosario - Islas Malvinas Intl. Airport (ROS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to Rosario - Islas Malvinas Intl. Airport (ROS)?
Planning your trip for April may help you find better deals, as it's the cheapest month for flights between SAN and ROS. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Rosario - Islas Malvinas Intl. Airport (ROS)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SAN to ROS flight.
How many flights per day from San Diego Intl. Airport (SAN) to Rosario - Islas Malvinas Intl. Airport (ROS)?
There aren't any daily direct flights available from San Diego Intl. Airport (SAN) to Rosario - Islas Malvinas Intl. Airport (ROS). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SAN to ROS?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Rosario - Islas Malvinas Intl. Airport (ROS)?
To reach Rosario - Islas Malvinas Intl. Airport (ROS) on time, book a flight that leaves San Diego Intl. Airport (SAN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Rosario - Islas Malvinas Intl. Airport (ROS) last-minute?
Last-minute fares from SAN to ROS are typically more expensive. To secure the cheapest rates, start looking for flights well in advance. That being said, if your travel plans are flexible, it's possible to land a cheap fare right before your journey.
Is it cheaper to book a SAN to ROS flight and hotel package?
Compared with arranging hotels and flights separately, booking a SAN to ROS flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place takes the hassle out of travel planning. Simply pick your flights and select from our extensive range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Rosario - Islas Malvinas Intl. Airport (ROS)?
If you reserved your SAN to ROS flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.