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$1,356+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ROS
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Maryland to Rosario

Keep the following information in mind while searching for Maryland to Rosario flight deals. Data was last updated September 16, 2025.

Round-trip from

$1,312
(Copa Airlines)
From Maryland to Rosario Fisherton
Search Deals

Find flight deals from Maryland to Rosario

Cheapest flights from Maryland to Rosario
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 September 16, 2025.

This FlightHub deal was found by Cheapflights users on 9/15. 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.
Sat 12/2711:55 pmIAD - ROS
2 stops46h 26mMultiple Airlines
Sat 1/101:34 amROS - IAD
1 stop23h 56mMultiple Airlines
Deal found 9/15$2,598

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 September 16, 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

BaltimoreRosario

BWI - ROS

BWIROS

Baltimore/Washington

Sun 2/8

3:45 pm-12:20 am

1 stop30h 35m

Rosario Fisherton

Tue 2/10

5:20 am-2:10 pm

1 stop34h 50m

$1,356

Washington, D.C.Rosario

IAD - ROS

IADROS

Washington, D.C. Dulles Intl

Sun 2/8

8:29 am-12:20 am

1 stop13h 51m

Rosario Fisherton

Mon 2/9

1:34 am-11:32 pm

1 stop23h 58m

$1,376

Washington, D.C.Rosario

IAD - ROS

IADROS

Washington, D.C. Dulles Intl

Sat 12/27

11:55 pm-12:21 am

2 stops46h 26m

Rosario Fisherton

Sat 1/10

1:34 am-11:30 pm

1 stop23h 56m

$2,598

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Rosario from Maryland?

    Rosario Fisherton (ROS), located 6.6 mi from the city center, is the airport you fly into when you book flights from Maryland to Rosario.

  • How long is the flight from Maryland to Rosario?

    For as low as $1,356, Copa Airlines can have you in Rosario from Maryland in 30h 35m. Airlines will cover a distance of 5080 mi.

  • What are the most popular routes from Maryland to Rosario?

    When deciding which route to take from Maryland to Rosario consider Baltimore/Washington - Rosario Fisherton, Washington, D.C. Dulles Intl - Rosario Fisherton or Washington, D.C. Reagan-National - Rosario Fisherton as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maryland 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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