$753 Cheap Flights from Long Beach (LGB) to Rosario (ROS)

View $753 flight on Fri, Jan 23, 2026Opens in a new window

Popular airlines from Long Beach Municipal Airport (LGB) to Rosario (ROS-Rosario - Islas Malvinas Intl.)

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Cheap Flights from Long Beach to Rosario (LGB-ROS)

Prices were available within the past 7 days and start at $753 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Long Beach (LGB) to Rosario (ROS)
Origin airport
Long Beach Municipal
Destination airport
Rosario - Islas Malvinas Intl.
Distance
5926 mi

Long Beach to Rosario Flights

The cheapest times to fly from Long Beach 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 Long Beach to Rosario are during the month of . You can find some of the cheapest flights from Long Beach to Rosario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Long Beach to Rosario

Sunday is one of the best days to book for cheap flights from Long Beach 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 Long Beach 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 Long Beach to Rosario in 2026. You can also book with separate airlines for your outbound and return journeys, from $753 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 Long Beach 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 Long Beach 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 Long Beach Municipal Airport (LGB) to Rosario - Islas Malvinas Intl. Airport (ROS) cost?
Snag a cheap one-way flight from $753 or cheap return flight from Long Beach Municipal Airport (LGB) 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 Long Beach Municipal Airport (LGB) to Rosario - Islas Malvinas Intl. Airport (ROS)?
is the most affordable month to fly from LGB to ROS. Traveling outside of peak seasons is often the key to finding better fares.
What is the cheapest airline that flies from Long Beach Municipal Airport (LGB) to Rosario - Islas Malvinas Intl. Airport (ROS)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from LGB to ROS. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Long Beach Municipal Airport (LGB) to Rosario - Islas Malvinas Intl. Airport (ROS)?
You'll have to hop on a flight with a layover if you're traveling from Long Beach Municipal Airport (LGB) to Rosario - Islas Malvinas Intl. Airport (ROS). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from LGB to ROS?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Long Beach Municipal Airport (LGB) to Rosario - Islas Malvinas Intl. Airport (ROS)?
To land at Rosario - Islas Malvinas Intl. Airport (ROS) on schedule, choose a flight that takes off from Long Beach Municipal Airport (LGB) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Long Beach Municipal Airport (LGB) to Rosario - Islas Malvinas Intl. Airport (ROS) last-minute?
Booking your flight from LGB to ROS just before your trip is usually more expensive. But if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a LGB to ROS flight and hotel package?
Compared with arranging hotels and flights separately, booking a LGB to ROS flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the stress out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Long Beach Municipal Airport (LGB) to Rosario - Islas Malvinas Intl. Airport (ROS)?
It's usually possible to cancel or reschedule your LGB to ROS flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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