What is the check-in time for Sun Country Flights? Sun Country Airlines is a low-cost airline that offers affordable airfare across the United States. The standard check-in time for Sun Country flights opens 24 hours before departure and closes 45 minutes before the scheduled departure time. This Sun Country Check In Time window means you can check in online or at the airport ticket counter between 24 hours and 45 minutes prior to your flight's departure. Read the blog on the Airlinespetpolicy site for other information, and you can contact the helpdesk number for live assistance. 🌎Website: https://www.airlinespetpolicy.com/blog/sun-country-airlines-check-in-policy #suncountrycheckintime #suncountrycheckin #suncountrycheckinonline #suncountrycheckinforflight #suncountrycheckinwindow #suncountrycheckinbaggage #suncountrycheckinpersonfee #suncountryairlines