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Rosario

$948+ Cheap flights from Los Angeles (LAX) 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ROS
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Los Angeles to Rosario

Best flights from Los Angeles to Rosario
Discover carefully curated flight deals from Los Angeles to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

This Copa Airlines deal was found by Cheapflights users on 12/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/122:37 amLAX - ROS
1 stop17h 38mCopa Airlines
Thu 4/305:12 amROS - LAX
1 stop22h 24mCopa Airlines
Deal found 12/3$948
This Orbitz deal was found by Cheapflights users on 12/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/210:44 pmLAX - ROS
2 stops26h 26mLATAM Airlines
Sat 2/142:45 amROS - LAX
2 stops37h 00mLATAM Airlines
Deal found 12/2$990
This Mytrip deal was found by Cheapflights users on 12/4. 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.
Mon 4/612:30 amLAX - ROS
3 stops30h 40mMultiple Airlines
Thu 4/303:05 pmROS - LAX
3 stops35h 47mMultiple Airlines
Deal found 12/4$1,242
This Copa Airlines deal was found by Cheapflights users on 12/4. 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 4/62:09 amLAX - ROS
1 stop21h 36mCopa Airlines
Thu 4/305:12 amROS - LAX
1 stop22h 24mCopa Airlines
Deal found 12/4$948
This Priceline deal was found by Cheapflights users on 12/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/712:50 pmLAX - ROS
1 stop31h 50mLATAM Airlines
Sat 4/412:10 pmROS - LAX
2 stops27h 01mLATAM Airlines
Deal found 12/2$1,035
This Copa Airlines deal was found by Cheapflights users on 12/2. 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.
Mon 2/29:08 pmLAX - ROS
1 stop22h 12mCopa Airlines
Sun 2/155:20 amROS - LAX
1 stop22h 19mCopa Airlines
Deal found 12/2$968
This Mytrip deal was found by Cheapflights users on 12/2. 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.
Mon 2/211:59 pmLAX - ROS
3 stops25h 11mMultiple Airlines
Sun 2/159:40 pmROS - LAX
3 stops29h 20mMultiple Airlines
Deal found 12/2$1,340
This Copa Airlines deal was found by Cheapflights users on 12/2. 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.
Sat 3/79:08 pmLAX - ROS
1 stop22h 12mCopa Airlines
Fri 4/31:26 amROS - LAX
1 stop19h 42mCopa Airlines
Deal found 12/2$1,192
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:35 amLAX - ROS
2 stops22h 25mMultiple Airlines
Wed 4/293:25 amROS - LAX
1 stop31h 35mMultiple Airlines
Deal found 12/3$1,391
This Mytrip deal was found by Cheapflights users on 12/2. 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.
Sat 3/71:00 pmLAX - ROS
3 stops31h 40mMultiple Airlines
Sat 4/48:35 pmROS - LAX
3 stops28h 28mMultiple Airlines
Deal found 12/2$1,508

Find flight deals from Los Angeles to Rosario

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$948
(Copa Airlines)

Popular in

December

Cheapest in

September

Average price

$1,795
Provider with most accurate pricing for Los Angeles-Rosario Fisherton flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Rosario Fisherton flights.
Search Deals
From Los Angeles to Rosario Fisherton
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($263 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Los Angeles 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 December 4, 2025.
Use the filters below to find and compare flights from Los Angeles to Rosario that are best for you.

Fly from

Los Angeles

Fly to

Rosario

Route

Depart

Return

Price

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sun 4/12

2:37 am-12:15 am

1 stop17h 38m

Rosario Fisherton

Thu 4/30

5:12 am-11:36 pm

1 stop22h 24m

$948

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Mon 4/6

2:09 am-3:45 am

1 stop21h 36m

Rosario Fisherton

Thu 4/30

5:12 am-11:36 pm

1 stop22h 24m

$948

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Mon 2/2

9:08 pm-12:20 am

1 stop22h 12m

Rosario Fisherton

Sun 2/15

5:20 am-10:39 pm

1 stop22h 19m

$968

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Mon 2/2

10:44 pm-6:10 am

2 stops26h 26m

Rosario Fisherton

Sat 2/14

2:45 am-10:45 am

2 stops37h 00m

$990

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sat 3/7

12:50 pm-1:40 am

1 stop31h 50m

Rosario Fisherton

Sat 4/4

12:10 pm-11:11 am

2 stops27h 01m

$1,035

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sat 3/7

9:08 pm-12:20 am

1 stop22h 12m

Rosario Fisherton

Fri 4/3

1:26 am-5:08 pm

1 stop19h 42m

$1,192

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Mon 4/6

12:30 am-11:10 am

3 stops30h 40m

Rosario Fisherton

Thu 4/30

3:05 pm-10:52 pm

3 stops35h 47m

$1,242

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Mon 2/2

11:59 pm-6:10 am

3 stops25h 11m

Rosario Fisherton

Sun 2/15

9:40 pm-10:00 pm

3 stops29h 20m

$1,340

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Mon 4/13

11:35 am-2:00 pm

2 stops22h 25m

Rosario Fisherton

Wed 4/29

3:25 am-7:00 am

1 stop31h 35m

$1,391

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sat 3/7

1:00 pm-1:40 am

3 stops31h 40m

Rosario Fisherton

Sat 4/4

8:35 pm-9:03 pm

3 stops28h 28m

$1,508

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Compare providers for flights from Los Angeles 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 Los Angeles to Rosario in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust 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 Los Angeles-Rosario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Los Angeles-Rosario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Los Angeles-Rosario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Los Angeles-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 Los Angeles-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 Los Angeles to Rosario

Have a flexible travel schedule? Discover the best time to fly to Rosario from Los Angeles 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.

Cheapflights Insights

Everything you need to know about your flight from Los Angeles to Rosario

What is the cheapest time of day to fly from LAX to ROS?

Find hourly flight availability from Los Angeles to Rosario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

It’s optimal to fly from Los Angeles to Rosario in the afternoon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at noon.

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 December 4, 2025.
Read reviews from past customers who have flown Copa Airlines and LATAM Airlines from Los Angeles to Rosario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,558 reviews

Overall

7.6

Food

6.9

Boarding

7.8

Crew

8.1

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

PEI - PTY

The attention to us was excellent. Help was provided with care.
Copa Airlines
7.6
Good
1,558 reviews
Copa Airlines
7.6
Good
1,558 reviews

Overall

7.6

Food

6.9

Boarding

7.8

Crew

8.1

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

PEI - PTY

The attention to us was excellent. Help was provided with care.
LATAM Airlines
7.5
Good
1,889 reviews
Copa Airlines
7.6
Good
1,558 reviews

Overall

7.6

Food

6.9

Boarding

7.8

Crew

8.1

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

PEI - PTY

The attention to us was excellent. Help was provided with care.

Related info for your journey

Find useful and relevant information for your journey from Los Angeles 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 Los Angeles to Rosario?

    Departing from Los Angeles to Rosario will take you 17h 38m. There are 5938 mi between Los Angeles and Rosario. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Los Angeles to Rosario round-trip?

    Flying on LATAM Airlines is currently your cheapest option to Rosario, with prices starting at $449. Another option worth looking into is Copa Airlines, starting at $997 round trip. These flights start at 64% lower than the current average price 3 months from now.

  • Can I find deals for flights from Los Angeles to Rosario that include hotel bookings?

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

  • How can I find direct flights from Los Angeles to Rosario?

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

  • Can I find deals for business class flights from Los Angeles to Rosario?

    Yes. Cheapflights offers flight deals from Los Angeles 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 2 airlines flying from Los Angeles to Rosario

Discover the top 2 airlines that operate flights from Los Angeles 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$535Average$1,371FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$997Average$1,127FlexibilityNo cancel feeOn-time70%

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