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Sun Country Airlines enables the passengers to modify their flight booking information such as date, time and destination to a higher degree of flexibility. It has certain schedules, possible charges and procedures to follow when altering a reservation.
The Sun Country Airlines flight change policy requested or made by the passengers during booking can be modified to change the date of the flight, time and origin or destination; however, the changes should be made at least one hour before the initial scheduled flight on the reservation. Online change requests may be done through the provided reservation was made directly with Sun Country Airlines, or by calling Sun Country Reservations.
Sun Country Airlines generally offers no change fees if changes are made 60 or more days before departure. For changes made closer to departure, a change fee of $19–$120 per round-trip ticket, per passenger, may apply. In all cases, passengers are responsible for any difference in airfare when making changes.
Sun Country Airlines has varying change fees which depend on the fare as being either Basic (nonrefundable) or Refundable/Flexible. The flexibility, the fee amounts, and the change policies are not similar between these types of fares.
| Fare Type | Change Fee Amount | Additional Info | 
| Basic (Nonrefundable) | $19–$120 per person/round trip | Change fees apply unless changes are made 60+ days out (no fee in that case). Any fare difference must be paid. | 
| Refundable/Flexible (with Flexible Fare add-on) | $0 for one-time change | One modification allowed up to 1 hour before departure; after that usual fare rules apply. Any fare difference must be paid. | 
The passengers may also change their Sun Country Airlines change flight date, time and route provided that they make the changes at least one hour before the scheduled departure. It can be done online in case the booking was done online or one can contact the customer service and do it.
In case of Sun Country Airlines flight booking using the travel agents/ third parties, contact the appropriate party to make the changes.
These policies guarantee certain flexibility to travelers though one should read the attached fare conditions with each ticket to get a complete understanding of fees and eligibility of any changes.
Under the Sun Country Airlines flight change policy, baggage and seat refunds for refundable fares are typically processed within 7–10 business days to the original form of payment.
The Sun Country Airlines change flight policy states that baggage and seat refunds are usually refunded at the mode of payment used, except where the ticket has been purchased using travel credits.
According to the Sun Country Airlines flight change policy, voluntarily reassigning seats before departure will normally render the initial seat charge unrefundable.
The Sun Country Airlines change flight policy regarding the opportunity to change the date of flight assumes that all the customers who have already purchased their tickets via third-party agents are expected to come straight to the travel company to request help in reclaiming their baggage or seats.
Sun Country Airlines change flight policy requires customers to produce the purchase receipts, flight number and receipts of payment in the flight booking and refund policy as a condition to receive the refund of the baggage and seat fees.