$871+ Cheap flights from Baltimore (BWI) 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ROS
Mar 13 — Mar 201
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Baltimore to Rosario with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Baltimore to Rosario
Cheapest
Best
Last-minute
Cheapest flights from Baltimore to RosarioExplore the most affordable flight options available from Baltimore to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.
Explore the most affordable flight options available from Baltimore to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.
This Expedia deal was found by Cheapflights users on 2/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:10 pm
BWI
- ROS
2 stops33h 55m
LATAM Airlines
Mon 11/3012:10 pm
ROS
- BWI
2 stops26h 17m
LATAM Airlines
Deal found 2/10![LATAM Airlines logo]()
$871
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Sun 3/110:06 am
BWI
- ROS
3 stops22h 54m
Multiple Airlines
Fri 3/65:35 pm
ROS
- BWI
3 stops31h 56m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,450
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Sun 3/110:06 am
BWI
- ROS
3 stops22h 54m
Multiple Airlines
Sat 3/78:15 pm
ROS
- BWI
2 stops20h 00m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,501
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Sat 2/2810:06 am
BWI
- ROS
3 stops20h 24m
Multiple Airlines
Fri 3/65:35 pm
ROS
- BWI
3 stops31h 56m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,553
This Priceline deal was found by Cheapflights users on 2/11. 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 3/285:30 pm
BWI
- ROS
2 stops40h 40m
LATAM Airlines
Sat 4/412:10 pm
ROS
- BWI
2 stops27h 44m
LATAM Airlines
Deal found 2/11![LATAM Airlines logo]()
$2,054
This business-class.com deal was found by Cheapflights users on 2/10. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/13:45 pm
BWI
- ROS
1 stop30h 35m
Copa Airlines
Sat 3/75:20 am
ROS
- BWI
1 stop34h 51m
Copa Airlines
Deal found 2/10![Copa Airlines logo]()
$2,503
This LATAM Airlines deal was found by Cheapflights users on 2/8. 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 3/57:15 am
BWI
- ROS
2 stops20h 55m
LATAM Airlines
Sun 3/82:45 am
ROS
- BWI
2 stops23h 08m
LATAM Airlines
Deal found 2/8![LATAM Airlines logo]()
$2,970
This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:22 pm
BWI
- ROS
2 stops28h 38m
American Airlines
Fri 3/62:55 am
ROS
- BWI
2 stops40h 37m
American Airlines
Deal found 2/10![American Airlines logo]()
$3,009
This Priceline deal was found by Cheapflights users on 2/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:00 am
BWI
- ROS
2 stops17h 10m
LATAM Airlines
Thu 3/52:45 am
ROS
- BWI
2 stops41h 09m
LATAM Airlines
Deal found 2/10![LATAM Airlines logo]()
$3,911
Best flights from Baltimore to RosarioDiscover carefully curated flight deals from Baltimore to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 11, 2026.
Discover carefully curated flight deals from Baltimore to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 11, 2026.
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Sun 3/110:06 am
BWI
- ROS
3 stops22h 54m
Multiple Airlines
Fri 3/65:35 pm
ROS
- BWI
3 stops31h 56m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,450
This Priceline deal was found by Cheapflights users on 2/11. 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 3/285:30 pm
BWI
- ROS
2 stops40h 40m
LATAM Airlines
Sat 4/412:10 pm
ROS
- BWI
2 stops27h 44m
LATAM Airlines
Deal found 2/11![LATAM Airlines logo]()
$2,054
This business-class.com deal was found by Cheapflights users on 2/10. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/13:45 pm
BWI
- ROS
1 stop30h 35m
Copa Airlines
Sat 3/75:20 am
ROS
- BWI
1 stop34h 51m
Copa Airlines
Deal found 2/10![Copa Airlines logo]()
$2,503
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Sun 3/110:06 am
BWI
- ROS
3 stops22h 54m
Multiple Airlines
Sat 3/78:15 pm
ROS
- BWI
2 stops20h 00m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,501
This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:22 pm
BWI
- ROS
2 stops28h 38m
American Airlines
Fri 3/62:55 am
ROS
- BWI
2 stops40h 37m
American Airlines
Deal found 2/10![American Airlines logo]()
$3,009
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Sat 2/2810:06 am
BWI
- ROS
3 stops20h 24m
Multiple Airlines
Fri 3/65:35 pm
ROS
- BWI
3 stops31h 56m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,553
This LATAM Airlines deal was found by Cheapflights users on 2/7. 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 3/56:00 am
BWI
- ROS
2 stops22h 10m
LATAM Airlines
Sun 3/82:45 am
ROS
- BWI
2 stops23h 08m
LATAM Airlines
Deal found 2/7![LATAM Airlines logo]()
$2,970
Last-minute flights from Baltimore to RosarioDiscover last-minute flight deals from Baltimore to Rosario. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Rosario. Data last updated February 11, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Sat 2/2810:06 am
BWI
- ROS
3 stops20h 24m
Multiple Airlines
Fri 3/65:35 pm
ROS
- BWI
3 stops31h 56m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,553
This Priceline deal was found by Cheapflights users on 2/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:00 am
BWI
- ROS
2 stops17h 10m
LATAM Airlines
Thu 3/52:45 am
ROS
- BWI
2 stops41h 09m
LATAM Airlines
Deal found 2/10![LATAM Airlines logo]()
$3,911
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Sun 3/110:06 am
BWI
- ROS
3 stops22h 54m
Multiple Airlines
Fri 3/65:35 pm
ROS
- BWI
3 stops31h 56m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,450
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Sun 3/110:06 am
BWI
- ROS
3 stops22h 54m
Multiple Airlines
Sat 3/78:15 pm
ROS
- BWI
2 stops20h 00m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,501
This business-class.com deal was found by Cheapflights users on 2/10. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/13:45 pm
BWI
- ROS
1 stop30h 35m
Copa Airlines
Sat 3/75:20 am
ROS
- BWI
1 stop34h 51m
Copa Airlines
Deal found 2/10![Copa Airlines logo]()
$2,503
This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:22 pm
BWI
- ROS
2 stops28h 38m
American Airlines
Fri 3/62:55 am
ROS
- BWI
2 stops40h 37m
American Airlines
Deal found 2/10![American Airlines logo]()
$3,009
This LATAM Airlines deal was found by Cheapflights users on 2/9. 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 3/57:15 am
BWI
- ROS
2 stops20h 55m
LATAM Airlines
Sun 3/82:45 am
ROS
- BWI
2 stops23h 08m
LATAM Airlines
Deal found 2/9![LATAM Airlines logo]()
$2,970
This Priceline deal was found by Cheapflights users on 2/11. 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 3/285:30 pm
BWI
- ROS
2 stops40h 40m
LATAM Airlines
Sat 4/412:10 pm
ROS
- BWI
2 stops27h 44m
LATAM Airlines
Deal found 2/11![LATAM Airlines logo]()
$2,054
Find flight deals from Baltimore to Rosario
Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) 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 February 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,450 (Mytrip) |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore 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 11, 2026.
Use the filters below to find and compare flights from Baltimore to Rosario that are best for you.
Fly from
Baltimore
Fly to
Rosario
Route
Depart
Return
Price
BaltimoreRosario
BWI - ROS
BWIROS
Baltimore/Washington
Sun 3/1
10:06 am-11:00 am
3 stops22h 54m
Rosario Fisherton
Fri 3/6
5:35 pm-11:31 pm
3 stops31h 56m
$1,450
BaltimoreRosario
BWI - ROS
BWIROS
Baltimore/Washington
Sun 3/1
10:06 am-11:00 am
3 stops22h 54m
Rosario Fisherton
Sat 3/7
8:15 pm-2:15 pm
2 stops20h 00m
$1,501
BaltimoreRosario
BWI - ROS
BWIROS
Baltimore/Washington
Sat 2/28
10:06 am-8:30 am
3 stops20h 24m
Rosario Fisherton
Fri 3/6
5:35 pm-11:31 pm
3 stops31h 56m
$1,553
BaltimoreRosario
BWI - ROS
BWIROS
Baltimore/Washington
Sat 3/28
5:30 pm-11:10 am
2 stops40h 40m
Rosario Fisherton
Sat 4/4
12:10 pm-2:54 pm
2 stops27h 44m
$2,054
BaltimoreRosario
BWI - ROS
BWIROS
Baltimore/Washington
Sun 3/1
3:45 pm-12:20 am
1 stop30h 35m
Rosario Fisherton
Sat 3/7
5:20 am-2:11 pm
1 stop34h 51m
$2,503
BaltimoreRosario
BWI - ROS
BWIROS
Baltimore/Washington
Thu 3/5
6:00 am-6:10 am
2 stops22h 10m
Rosario Fisherton
Sun 3/8
2:45 am-12:53 am
2 stops23h 08m
$2,970
BaltimoreRosario
BWI - ROS
BWIROS
Baltimore/Washington
Sun 3/1
7:22 pm-2:00 am
2 stops28h 38m
Rosario Fisherton
Fri 3/6
2:55 am-5:32 pm
2 stops40h 37m
$3,009
Best time to book a flight from Baltimore to Rosario
Have a flexible travel schedule? Discover the best time to fly to Rosario from Baltimore with our price prediction graph.
BWI-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.
Related info for your journey
Find useful and relevant information for your journey from Baltimore to Rosario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Rosario flight routes