How to find the cheapest flight from Philadelphia (PHL) to Rosario (ROS)
When is the cheapest time to fly from Philadelphia to Rosario (PHL - ROS)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Rosario as you normally would.
Related info for your journey
From Philadelphia to Rosario
Are flight prices decreasing from Philadelphia to Rosario due to COVID-19 (coronavirus)?
At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Philadelphia and Rosario for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
Does it rain more in Philadelphia or Rosario?
In Philadelphia, there will be less rainfall in Philadelphia compared to Rosario over the next 16 days.
Is Philadelphia weather warmer or cooler than Rosario?
Temperatures around the 90 °F's can be experienced in January. The weather in Rosario is hotter than in Philadelphia. Plan for potential changes in flight availability as peak weather approaches in this location.