How long is the flight from Los Angeles to Rosario?

Departing from Los Angeles to Rosario will take you 18h 14m. 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 63% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Rosario ranges from 1.2 - 5.9 inches per month. March is typically the wettest month, when rainfall can reach 5.9 in. July is typically the driest time to visit Rosario when rainfall is around 1.2 in.

If weather is an important factor for your trip to Rosario, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 50.0 F).

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.

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.

$471+ Flights from Los Angeles to Rosario

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Cheap flight deals from Los Angeles to Rosario

Cheapest flights from Los Angeles to Rosario
Explore the most affordable flight options available from Los Angeles to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Tue 12/3010:30 amLAX - ROS

1 stop14h 40mLATAM Airlines

Tue 1/62:45 amROS - LAX

2 stops20h 15mLATAM Airlines

Deal found 12/17

$1,817

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 18, 2025.

Sun 3/110:45 pmLAX - ROS

2 stops45h 55mLATAM Airlines

Wed 3/47:45 amROS - LAX

2 stops21h 10mLATAM Airlines

Deal found 12/17

$790

Sat 2/281:06 amLAX - ROS

1 stop18h 14mCopa Airlines

Wed 3/41:26 amROS - LAX

1 stop26h 13mCopa Airlines

Deal found 12/17

$968

Mon 3/210:55 pmLAX - ROS

2 stops26h 15mLATAM Airlines

Sat 3/73:45 amROS - LAX

2 stops19h 15mLATAM Airlines

Deal found 12/17

$950

Mon 3/211:55 pmLAX - ROS

2 stops25h 15mLATAM Airlines

Thu 3/52:45 amROS - LAX

2 stops33h 05mLATAM Airlines

Deal found 12/17

$950

Tue 3/36:00 amLAX - ROS

2 stops19h 10mLATAM Airlines

Thu 3/52:45 amROS - LAX

2 stops33h 05mLATAM Airlines

Deal found 12/17

$950

Sat 2/2810:30 amLAX - ROS

1 stop14h 40mLATAM Airlines

Thu 3/52:45 amROS - LAX

2 stops20h 15mLATAM Airlines

Deal found 12/17

$995

Sat 2/2810:30 amLAX - ROS

2 stops34h 10mLATAM Airlines

Sat 3/73:45 amROS - LAX

2 stops19h 15mLATAM Airlines

Deal found 12/17

$995

Sun 3/111:55 pmLAX - ROS

2 stops49h 15mLATAM Airlines

Thu 3/52:45 amROS - LAX

1 stop32h 35mLATAM Airlines

Deal found 12/17

$1,000

Last-minute flights from Los Angeles to Rosario
Discover last-minute flight deals from Los Angeles to Rosario. Data last updated December 18, 2025 and is based on user searches.

Tue 12/3010:30 amLAX - ROS

1 stop14h 40mLATAM Airlines

Tue 1/62:45 amROS - LAX

2 stops20h 15mLATAM Airlines

Deal found 12/17

$1,817

One-way flights from Los Angeles to Rosario
Search for one-way flight options from Los Angeles to Rosario. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Fri 1/21:11 amLAX - ROS

1 stop18h 09mCopa Airlines

Deal found 12/16

$471

Sat 1/310:53 pmLAX - ROS

3 stops53h 42mMultiple Airlines

Deal found 12/16

$514

Thu 2/1210:30 amLAX - ROS

1 stop14h 40mLATAM Airlines

Deal found 12/14

$668

Find flight deals from Los Angeles to Rosario

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$666 (FlightHub)
One-way from	$471 (Copa Airlines)
Popular in	November
Cheapest in	September
Average price	$1,442

Provider with most accurate pricing for Los Angeles-Rosario Fisherton flight deals.

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Provider most trusted by Cheapflights users for Los Angeles-Rosario Fisherton flights.

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From Los Angeles to Rosario Fisherton

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One-way flight from Los Angeles to Rosario Fisherton

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($104 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Los Angeles to Rosario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sun 3/1

10:45 pm-1:40 am

2 stops45h 55m

Rosario Fisherton

Wed 3/4

7:45 am-11:55 pm

2 stops21h 10m

$790

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Mon 3/2

10:55 pm-6:10 am

2 stops26h 15m

Rosario Fisherton

Sat 3/7

3:45 am-6:00 pm

2 stops19h 15m

$950

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Mon 3/2

11:55 pm-6:10 am

2 stops25h 15m

Rosario Fisherton

Thu 3/5

2:45 am-6:50 am

2 stops33h 05m

$950

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Tue 3/3

6:00 am-6:10 am

2 stops19h 10m

Rosario Fisherton

Thu 3/5

2:45 am-6:50 am

2 stops33h 05m

$950

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sat 2/28

1:06 am-12:20 am

1 stop18h 14m

Rosario Fisherton

Wed 3/4

1:26 am-10:39 pm

1 stop26h 13m

$968

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sat 2/28

10:30 am-6:10 am

1 stop14h 40m

Rosario Fisherton

Thu 3/5

2:45 am-6:00 pm

2 stops20h 15m

$995

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sat 2/28

10:30 am-1:40 am

2 stops34h 10m

Rosario Fisherton

Sat 3/7

3:45 am-6:00 pm

2 stops19h 15m

$995

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sun 3/1

11:55 pm-6:10 am

2 stops49h 15m

Rosario Fisherton

Thu 3/5

2:45 am-6:20 am

1 stop32h 35m

$1,000

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Fri 1/2

1:11 am-12:20 am

1 stop18h 09m

$471

Los AngelesRosario

LAX - ROS

LAXROS

Los Angeles

Sat 1/3

10:53 pm-9:35 am

3 stops53h 42m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Compare providers for flights from Los Angeles to Rosario

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Cheapfaremart	Price 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?

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

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

1,556 reviews

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

1,556 reviews

Copa Airlines

7.6

Good

1,556 reviews

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

1,893 reviews

Copa Airlines

7.6

Good

1,556 reviews

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

How long is the flight from Los Angeles to Rosario?
Departing from Los Angeles to Rosario will take you 18h 14m. 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 63% 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

Airline	Cheapest	Average	Flexibility	On-time
LATAM Airlines	Cheapest$535	Average$1,322	FlexibilityNo cancel fee	On-time81%
Copa Airlines	Cheapest$997	Average$1,113	FlexibilityNo cancel fee	On-time70%

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$471+ Cheap flights from Los Angeles (LAX) to Rosario (ROS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Los Angeles to Rosario with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Los Angeles to Rosario

Cheapest flights from Los Angeles to RosarioExplore the most affordable flight options available from Los Angeles to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Los Angeles to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from Los Angeles to Rosario

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Los Angeles to Rosario that are best for you.

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.

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.

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?

Reviews of airlines servicing Rosario

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.

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?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Los Angeles to Rosario

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Los Angeles to Rosario

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Cheapest flights from Los Angeles to Rosario
Explore the most affordable flight options available from Los Angeles to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.