Sun Country Airlines operates out of Terminal 5 at John F. Kennedy International Airport (JFK) in New York. Upon arriving at Terminal 5, head to the designated check-in area for Sun Country Airlines. You can check in at the airline’s counters or use the available self-service kiosks for a quicker process. Since Sun Country operates on a low-cost model, be prepared for additional fees for services such as checked baggage, carry-ons, and seat selection. To manage these costs effectively and avoid surprises, it’s advisable to handle any extra charges online before arriving at the airport. After checking in, proceed through the security checkpoint. Terminal 5 has modern security facilities, but lines can be lengthy during peak travel times, so keep your boarding pass and ID easily accessible. Once through security, follow the signs to Sun Country Terminal JFK departure gates within Terminal 5. The terminal offers various amenities including dining options, retail shops, and charging stations, making your wait more comfortable. For a smooth journey, check in online in advance, stay updated on flight status via the departure boards, and allow ample time for check-in and security processes.