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Rosario

$1,287+ Cheap flights from Boston (BOS) 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ROS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Boston to Rosario

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 junio 12, 2025.

Round-trip from

$1,287
(Copa Airlines)
From Boston Logan Intl to Rosario Fisherton
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Find flight deals from Boston to Rosario

Cheapest flights from Boston to Rosario
Explore the most affordable flight options available from Boston to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Copa Airlines deal was found by Cheapflights users on 6/10. 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.
sáb. 7/268:44 amBOS - ROS
1 stop14h 30mCopa Airlines
sáb. 8/25:07 amROS - BOS
1 stop18h 20mCopa Airlines
Deal found 6/10$1,287
This Mytrip deal was found by Cheapflights users on 6/10. 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.
sáb. 7/269:00 amBOS - ROS
2 stops20h 05mMultiple Airlines
sáb. 8/24:45 pmROS - BOS
3 stops28h 08mMultiple Airlines
Deal found 6/10$1,861
This SmartFares deal was found by Cheapflights users on 6/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/267:00 amBOS - ROS
2 stops22h 05mLATAM Airlines
sáb. 8/22:05 pmROS - BOS
2 stops18h 30mLATAM Airlines
Deal found 6/10$2,245

Cheapflights Fare Finder

Customize your flight search to find flights from Boston 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 junio 12, 2025.
Use the filters below to find and compare flights from Boston to Rosario that are best for you.

Fly from

Boston

Fly to

Rosario

Route

Depart

Return

Price

BostonRosario

BOS - ROS

BOSROS

Boston Logan Intl

sáb. 7/26

8:44 am-12:14 am

1 stop14h 30m

Rosario Fisherton

sáb. 8/2

5:07 am-10:27 pm

1 stop18h 20m

$1,287

BostonRosario

BOS - ROS

BOSROS

Boston Logan Intl

sáb. 7/26

9:00 am-6:05 am

2 stops20h 05m

Rosario Fisherton

sáb. 8/2

4:45 pm-7:53 pm

3 stops28h 08m

$1,861

BostonRosario

BOS - ROS

BOSROS

Boston Logan Intl

sáb. 7/26

7:00 am-6:05 am

2 stops22h 05m

Rosario Fisherton

sáb. 8/2

2:05 pm-7:35 am

2 stops18h 30m

$2,245

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Boston to Rosario

Have a flexible travel schedule? Discover the best time to fly to Rosario from Boston 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 Boston to Rosario

Rainfall in Rosario by month

Plan your trip to Rosario by taking into account the average rainfall totals by month.

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.

Temperature in Rosario by month

Plan your trip to Rosario by taking into account the average temperature totals by month.

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).

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 junio 12, 2025.
LATAM Airlines
7.5
Good
1,785 reviews

Food

6.7

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
LATAM Airlines
7.5
Good
1,785 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Food

6.7

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Copa Airlines
7.5
Good
1,451 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Food

6.7

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Related info for your journey

Find useful and relevant information for your journey from Boston to Rosario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Cheapflights users have booked flights from Boston to Rosario round-trip from $1,287. Another airline that can offer you cheap pricing is LATAM Airlines.

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

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

  • How can I find direct flights from Boston to Rosario?

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

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

    Yes. Cheapflights offers flight deals from Boston 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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