When it comes to one-way vs round-trip bookings, the Frontier Airlines flight change policy treats them differently. One-way flights offer more flexibility and fewer complications when changing dates or destinations. Round-trip changes, however, may involve modifying both segments and paying a fare difference for each. Change fees also depend on how close the change is to the departur... https://www.toursntravelpro.com/flight-change-policy/frontier-flight-change-policy/