$2,300+ Cheap flights from Maryland 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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ROS
Aug 7 — Aug 141
1 adult, Economy
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Cheapest flights from Maryland to RosarioExplore the most affordable flight options available from Maryland to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.
Explore the most affordable flight options available from Maryland to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:10 amIAD - ROS
2 stops34h 35mMultiple Airlines
Thu 1/18:20 amROS - IAD
2 stops22h 30mMultiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$2,300
This Ovago deal was found by Cheapflights users on 8/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:00 amIAD - ROS
2 stops45h 05mLATAM Airlines
Thu 1/12:45 amROS - IAD
2 stops40h 01mLATAM Airlines
Deal found 8/1![LATAM Airlines logo]()
$2,356
This Copa Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 12/198:22 amIAD - ROS
1 stop13h 59mCopa Airlines
Wed 12/311:34 amROS - IAD
1 stop14h 26mCopa Airlines
Deal found 7/31![Copa Airlines logo]()
$3,209
Cheapflights Fare Finder
Customize your flight search to find flights from Maryland 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 August 2, 2025.
Use the filters below to find and compare flights from Maryland to Rosario that are best for you.
Fly from
Maryland
Fly to
Rosario
Route
Depart
Return
Price
Washington, D.C.Rosario
IAD - ROS
IADROS
Washington, D.C. Dulles Intl
Fri 12/19
6:10 am-6:45 pm
2 stops34h 35m
Rosario Fisherton
Thu 1/1
8:20 am-4:50 am
2 stops22h 30m
$2,300
Washington, D.C.Rosario
IAD - ROS
IADROS
Washington, D.C. Dulles Intl
Fri 12/19
7:00 am-6:05 am
2 stops45h 05m
Rosario Fisherton
Thu 1/1
2:45 am-4:46 pm
2 stops40h 01m
$2,356
Washington, D.C.Rosario
IAD - ROS
IADROS
Washington, D.C. Dulles Intl
Fri 12/19
8:22 am-12:21 am
1 stop13h 59m
Rosario Fisherton
Wed 12/31
1:34 am-2:00 pm
1 stop14h 26m
$3,209
Best time to book a flight from Maryland to Rosario
Have a flexible travel schedule? Discover the best time to fly to Rosario from Maryland 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 Maryland to Rosario
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