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$1,023+ Cheap flights from Reagan-National (DCA) 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ROS
abr. 20 — abr. 271
dom. 4/20
dom. 4/27
1 adult, Economy
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Cheap flight deals from Reagan-National to Rosario

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 abril 15, 2025.

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Provider with most accurate pricing for Washington, D.C. (WAS)-Rosario Fisherton flight deals.
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Cheapest flights from Reagan-National to Rosario
Explore the most affordable flight options available from Reagan-National to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 15, 2025.

This LATAM Airlines deal was found by Cheapflights users on 4/13. 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.
vie. 12/125:55 pmDCA - ROS
2 stops34h 15mMultiple Airlines
dom. 12/287:30 amROS - DCA
2 stops31h 49mMultiple Airlines
Deal found 4/13$1,023
This SmartFares deal was found by Cheapflights users on 4/13. 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.
vie. 12/192:55 pmDCA - ROS
2 stops37h 15mLATAM Airlines
vie. 1/27:30 amROS - DCA
2 stops40h 34mLATAM Airlines
Deal found 4/13$1,621
This FlightHub deal was found by Cheapflights users on 4/13. 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.
vie. 12/195:24 pmDCA - ROS
2 stops30h 41mGOL
jue. 1/12:55 amROS - DCA
2 stops33h 55mGOL
Deal found 4/13$2,312

Best time to book a flight from Reagan-National to Rosario

Have a flexible travel schedule? Discover the best time to fly to Rosario from Reagan-National 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 Washington, D.C. Reagan-National Airport 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).

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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 Washington, D.C. Reagan-National?

    Rosario Fisherton (ROS) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Rosario. You should not have trouble finding flights to Fisherton from Washington, D.C. Reagan-National; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Rosario airport from Washington, D.C. Reagan-National. It is only a 6.6 mi journey from Fisherton (ROS) to Rosario’s city center.

  • Can I find deals for flights from Reagan-National to Rosario that include hotel bookings?

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

  • How can I find direct flights from Reagan-National to Rosario?

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

  • Can I find deals for business class flights from Reagan-National to Rosario?

    Yes. Cheapflights offers flight deals from Reagan-National 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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