Sun Country Airlines Online Check-In (2026)

1. 1Visit suncountry.com or open the Sun Country Airlines mobile app.
2. 2Enter your Last Name and Reservation Code.
3. 3Select the passengers you wish to check in.
4. 4Choose or confirm your seat assignments and pay any associated fees.
5. 5Add any checked bags or extras.
6. 6Download your mobile boarding pass or print it.

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 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.

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 can be managed online via Manage Trip or by calling the Sun Country Groups Department at 651-905-2711 for assistance with larger groups.

1. 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. 2'Website won't complete check-in' - Try clearing your browser cache or using the mobile app.
3. 3'Need to add bags' - You can add bags during online check-in or via Manage Trip before check-in closes.