Sun Country Airlines online check-in opens 24 hours before departure and closes 45 minutes before domestic flights and 60 minutes before international flights. You can check in via suncountry.com or the Sun Country mobile app using your Last Name and Reservation Code.
Check-In Timing
| Airline | Sun Country Airlines (SY) |
|---|---|
| Check-In Opens | 24 hours before departure |
| Check-In Closes | 45 minutes before domestic flights, 60 minutes before international flights |
| Check-In URL | https://www.suncountry.com/?page=Checkin |
| Mobile App | Sun Country Airlines app (iOS, Android) |
| Mobile Boarding Pass | Yes |
| Airport Kiosk | Yes |
Step-by-Step Check-In Guide
1. Visit suncountry.com or open the Sun Country Airlines mobile app. 2. Enter your Last Name and Reservation Code. 3. Select the passengers you wish to check in. 4. Choose or confirm your seat assignments and pay any associated fees. 5. Add any checked bags or extras. 6. Download your mobile boarding pass or print it.
Documents Needed
Reservation Code, Last Name, and a valid government-issued ID. For international flights, a valid passport is required, and an Online ED Card or visa may be required depending on the destination.
Seat Selection
Seat selection is available during online check-in via Manage Trip. You can select your seat and pay any associated fees, or let the airline automatically assign a seat.
International Check-In Rules
Online check-in is available for most international flights. Travelers must provide passport details and complete any required entry forms, such as the Online ED Card, prior to entry. Check-in closes 60 minutes before departure.
Group Check-In
Group check-in can be managed online via Manage Trip or by calling the Sun Country Groups Department at 651-905-2711 for assistance with larger groups.
Troubleshooting
1. 'Unable to check in online' - Ensure you are within the 24-hour window and not on a partner airline flight like Allegiant or Hawaiian, which require check-in with the operating carrier. 2. 'Website won't complete check-in' - Try clearing your browser cache or using the mobile app. 3. 'Need to add bags' - You can add bags during online check-in or via Manage Trip before check-in closes.