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$1,001+ Cheap flights from Las Vegas (LAS) 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ROS
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheap flight deals from Las Vegas to Rosario

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) 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 January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,001
(LATAM Airlines)
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Rosario Fisherton flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Rosario Fisherton flights.
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From Las Vegas Harry Reid Intl to Rosario Fisherton
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Find flight deals from Las Vegas to Rosario

Cheapest flights from Las Vegas to Rosario
Explore the most affordable flight options available from Las Vegas to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

This KAYAK deal was found by Cheapflights users on 1/5. 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.
Wed 8/197:20 amLAS - ROS
2 stops38h 45mGOL
Sat 8/222:55 amROS - LAS
2 stops44h 17mGOL
Deal found 1/5$1,110
This Copa Airlines deal was found by Cheapflights users on 1/5. 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.
Tue 8/1812:34 amLAS - ROS
1 stop23h 09mCopa Airlines
Sun 8/235:09 amROS - LAS
1 stop21h 21mCopa Airlines
Deal found 1/5$1,115
This LATAM Airlines deal was found by Cheapflights users on 1/5. 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.
Wed 8/199:10 amLAS - ROS
2 stops26h 15mLATAM Airlines
Sun 8/234:45 pmROS - LAS
2 stops23h 49mLATAM Airlines
Deal found 1/5$1,133
This LATAM Airlines deal was found by Cheapflights users on 1/5. 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.
Wed 8/192:40 pmLAS - ROS
2 stops35h 25mMultiple Airlines
Sun 8/237:35 amROS - LAS
3 stops58h 56mMultiple Airlines
Deal found 1/5$1,221

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas 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 January 6, 2026.
Use the filters below to find and compare flights from Las Vegas to Rosario that are best for you.

Fly from

Las Vegas

Fly to

Rosario

Route

Depart

Return

Price

Las VegasRosario

LAS - ROS

LASROS

Las Vegas Harry Reid Intl

Fri 2/20

1:55 pm-6:10 am

2 stops35h 15m

Rosario Fisherton

Fri 2/27

7:45 am-9:35 am

2 stops30h 50m

$1,001

Las VegasRosario

LAS - ROS

LASROS

Las Vegas Harry Reid Intl

Thu 2/19

12:58 am-12:20 am

1 stop18h 22m

Rosario Fisherton

Fri 2/27

5:20 am-11:55 pm

2 stops23h 35m

$1,877

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Compare providers for flights from Las Vegas to Rosario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Rosario in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Las Vegas-Rosario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Las Vegas-Rosario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Las Vegas-Rosario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Rosario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Rosario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Las Vegas to Rosario

Have a flexible travel schedule? Discover the best time to fly to Rosario from Las Vegas 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.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas 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 Las Vegas to Rosario?

    A quick flight from Las Vegas to Rosario can take about 18h 22m. Copa Airlines provides one of the quickest options available for as low as $1,877. Las Vegas and Rosario are separated by a distance of 5916 mi.

  • Can I find deals for flights from Las Vegas to Rosario that include hotel bookings?

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

  • How can I find direct flights from Las Vegas to Rosario?

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

  • Can I find deals for business class flights from Las Vegas to Rosario?

    Yes. Cheapflights offers flight deals from Las Vegas 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.

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