Spirit Airlines Check In Bag. These items are included in your base fare, which means you will not be charged extra fees. Personal item (e.g., purse, small backpack, etc.):
I bet you never expected spirit airlines to make news with free checked bags and seat assignments, but it’s true. For travel april 4, 2017 & beyond: 50 linear inches (22 x 18 x 10 in) or 127 centimeters (56 x 46 x 25 cm) including handles and wheels
If the bag is oversized, either pay the extra fee or buy a new bag.
The spirit airlines check in baggage rules and requirements state that you can carry along 2 bags as checked baggage and maximum up to 5 bags (international travel restrictions follow, visit the official site of spirit airlines to check). You can check in online as early as 24 hours before your flight departure time, but no later than one hour before. 18 x 14 x 8 inches (45 x 35 x 20 cm).a fee applies to bring an additional, larger item, with dimensions of 22 x 18 x 10 inches (56 x 46 x 25 cm). This tool lets you save yourself valuable time as you check in and print your boarding pass ahead of time.