When you book your flight After booking your flight At the airport gate Personal item $0 $0 $0 Overhead bin item $25-$40 $50 $55 (plus a $10 gate handling fee) First checked bags $30-$40 $50 $55 (plus a $10 gate handling fee) Second and third checked bags $45 $60 $65 (plus a $10 gate handling fee) Oversized items Additional $20–$100 Additional $20–$100 Additional $20–$100 Once you've earned Sun Country points, you can redeem 100 points for $1 on Sun Country purchases, including baggage fees.