Spirit Airlines Flight Change Policy offers flexibility for travelers needing to adjust their plans. Passengers can modify their flight bookings, but fees may vary depending on when the change is made. If changes are requested over 60 days before departure, no fee is charged. However, for modifications made within 60 days, Spirit Airlines typically applies a fee, with higher charges the closer it gets to the flight. Same-day flight changes are available for an additional cost, based on availability. Changes can be made via the Spirit Airlines website, mobile app, or customer service.