$876+ Cheap flights from Massachusetts 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ROS
Mar 5 — Mar 121
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Massachusetts to Rosario
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Best
Last-minute
Cheapest flights from Massachusetts to RosarioExplore the most affordable flight options available from Massachusetts to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Massachusetts to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:55 am
BOS
- ROS
3 stops27h 30m
Multiple Airlines
Wed 3/119:35 am
ROS
- BOS
3 stops30h 53m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$876
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Thu 3/195:45 am
BOS
- ROS
3 stops30h 45m
Multiple Airlines
Thu 3/269:45 am
ROS
- BOS
3 stops30h 43m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$941
This Copa Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 3/198:44 am
BOS
- ROS
1 stop18h 09m
Copa Airlines
Wed 3/251:26 am
ROS
- BOS
1 stop14h 16m
Copa Airlines
Deal found 2/1![Copa Airlines logo]()
$1,199
This Mytrip deal was found by Cheapflights users on 1/31. 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.
Sun 3/17:55 pm
BOS
- ROS
3 stops34h 35m
Multiple Airlines
Sun 3/89:40 pm
ROS
- BOS
3 stops34h 55m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$1,238
This SmartFares deal was found by Cheapflights users on 1/31. 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.
Sun 3/18:59 pm
BOS
- ROS
2 stops50h 41m
LATAM Airlines
Sun 3/87:45 am
ROS
- BOS
2 stops30h 03m
LATAM Airlines
Deal found 1/31![LATAM Airlines logo]()
$1,261
This LATAM Airlines deal was found by Cheapflights users on 2/3. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:59 pm
BOS
- ROS
2 stops51h 41m
LATAM Airlines
Wed 3/117:45 am
ROS
- BOS
2 stops40h 48m
LATAM Airlines
Deal found 2/3![LATAM Airlines logo]()
$1,280
This Copa Airlines deal was found by Cheapflights users on 1/31. 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 3/17:44 am
BOS
- ROS
1 stop14h 36m
Copa Airlines
Sun 3/85:20 am
ROS
- BOS
1 stop18h 50m
Copa Airlines
Deal found 1/31![Copa Airlines logo]()
$1,946
Best flights from Massachusetts to RosarioDiscover carefully curated flight deals from Massachusetts to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Massachusetts to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:55 am
BOS
- ROS
3 stops27h 30m
Multiple Airlines
Wed 3/119:35 am
ROS
- BOS
3 stops30h 53m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$876
This Copa Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 3/198:44 am
BOS
- ROS
1 stop18h 09m
Copa Airlines
Wed 3/251:26 am
ROS
- BOS
1 stop14h 16m
Copa Airlines
Deal found 2/1![Copa Airlines logo]()
$1,199
This SmartFares deal was found by Cheapflights users on 1/31. 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.
Sun 3/18:59 pm
BOS
- ROS
2 stops50h 41m
LATAM Airlines
Sun 3/87:45 am
ROS
- BOS
2 stops30h 03m
LATAM Airlines
Deal found 1/31![LATAM Airlines logo]()
$1,261
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Thu 3/195:45 am
BOS
- ROS
3 stops30h 45m
Multiple Airlines
Thu 3/269:45 am
ROS
- BOS
3 stops30h 43m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$941
This LATAM Airlines deal was found by Cheapflights users on 2/3. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:59 pm
BOS
- ROS
2 stops51h 41m
LATAM Airlines
Wed 3/117:45 am
ROS
- BOS
2 stops40h 48m
LATAM Airlines
Deal found 2/3![LATAM Airlines logo]()
$1,280
This Mytrip deal was found by Cheapflights users on 1/31. 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.
Sun 3/17:55 pm
BOS
- ROS
3 stops34h 35m
Multiple Airlines
Sun 3/89:40 pm
ROS
- BOS
3 stops34h 55m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$1,238
This Copa Airlines deal was found by Cheapflights users on 1/31. 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 3/17:44 am
BOS
- ROS
1 stop14h 36m
Copa Airlines
Sun 3/85:20 am
ROS
- BOS
1 stop18h 50m
Copa Airlines
Deal found 1/31![Copa Airlines logo]()
$1,946
Last-minute flights from Massachusetts to RosarioDiscover last-minute flight deals from Massachusetts to Rosario. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to Rosario. Data last updated February 3, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 1/31. 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.
Sun 3/17:55 pm
BOS
- ROS
3 stops34h 35m
Multiple Airlines
Sun 3/89:40 pm
ROS
- BOS
3 stops34h 55m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$1,238
This SmartFares deal was found by Cheapflights users on 1/31. 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.
Sun 3/18:59 pm
BOS
- ROS
2 stops50h 41m
LATAM Airlines
Sun 3/87:45 am
ROS
- BOS
2 stops30h 03m
LATAM Airlines
Deal found 1/31![LATAM Airlines logo]()
$1,261
This Copa Airlines deal was found by Cheapflights users on 1/31. 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 3/17:44 am
BOS
- ROS
1 stop14h 36m
Copa Airlines
Sun 3/85:20 am
ROS
- BOS
1 stop18h 50m
Copa Airlines
Deal found 1/31![Copa Airlines logo]()
$1,946
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:55 am
BOS
- ROS
3 stops27h 30m
Multiple Airlines
Wed 3/119:35 am
ROS
- BOS
3 stops30h 53m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$876
This LATAM Airlines deal was found by Cheapflights users on 2/3. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:59 pm
BOS
- ROS
2 stops51h 41m
LATAM Airlines
Wed 3/117:45 am
ROS
- BOS
2 stops40h 48m
LATAM Airlines
Deal found 2/3![LATAM Airlines logo]()
$1,280
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Thu 3/195:45 am
BOS
- ROS
3 stops30h 45m
Multiple Airlines
Thu 3/269:45 am
ROS
- BOS
3 stops30h 43m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$941
This Copa Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 3/198:44 am
BOS
- ROS
1 stop18h 09m
Copa Airlines
Wed 3/251:26 am
ROS
- BOS
1 stop14h 16m
Copa Airlines
Deal found 2/1![Copa Airlines logo]()
$1,199
Find flight deals from Massachusetts to Rosario
Keep the following information in mind while searching for Massachusetts to Rosario flight deals. Data was last updated February 3, 2026.
Round-trip from | $941 (Mytrip) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from Massachusetts 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 February 3, 2026.
Use the filters below to find and compare flights from Massachusetts to Rosario that are best for you.
Fly from
Massachusetts
Fly to
Rosario
Route
Depart
Return
Price
BostonRosario
BOS - ROS
BOSROS
Boston Logan Intl
Thu 3/5
7:55 am-1:25 pm
3 stops27h 30m
Rosario Fisherton
Wed 3/11
9:35 am-3:28 pm
3 stops30h 53m
$876
BostonRosario
BOS - ROS
BOSROS
Boston Logan Intl
Thu 3/19
5:45 am-1:30 pm
3 stops30h 45m
Rosario Fisherton
Thu 3/26
9:45 am-3:28 pm
3 stops30h 43m
$941
BostonRosario
BOS - ROS
BOSROS
Boston Logan Intl
Thu 3/19
8:44 am-3:53 am
1 stop18h 09m
Rosario Fisherton
Wed 3/25
1:26 am-2:42 pm
1 stop14h 16m
$1,199
BostonRosario
BOS - ROS
BOSROS
Boston Logan Intl
Sun 3/1
7:55 pm-8:30 am
3 stops34h 35m
Rosario Fisherton
Sun 3/8
9:40 pm-7:35 am
3 stops34h 55m
$1,238
BostonRosario
BOS - ROS
BOSROS
Boston Logan Intl
Sun 3/1
8:59 pm-1:40 am
2 stops50h 41m
Rosario Fisherton
Sun 3/8
7:45 am-12:48 pm
2 stops30h 03m
$1,261
BostonRosario
BOS - ROS
BOSROS
Boston Logan Intl
Thu 3/5
7:59 pm-1:40 am
2 stops51h 41m
Rosario Fisherton
Wed 3/11
7:45 am-11:33 pm
2 stops40h 48m
$1,280
BostonRosario
BOS - ROS
BOSROS
Boston Logan Intl
Sun 3/1
7:44 am-12:20 am
1 stop14h 36m
Rosario Fisherton
Sun 3/8
5:20 am-11:10 pm
1 stop18h 50m
$1,946
Best time to book a flight from Massachusetts to Rosario
Have a flexible travel schedule? Discover the best time to fly to Rosario from Massachusetts with our price prediction graph.
BOS-ROS
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 Massachusetts to Rosario
USMA-ROS
BOS-ROS
No data available for this route at this time. Please check back soon.
Related info for your journey
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