Spirit Airlines vs Frontier Airlines: Carry-On Policy Comparison
Side-by-side comparison of cabin bag size limits, weight allowances, personal item rules, and baggage fees.
Strictest overall
Frontier Airlines
Frontier Airlines has more restrictive cabin bag limits based on total linear dimensions.
| Policy | Spirit Airlines | Frontier Airlines | Strictest |
|---|---|---|---|
| Cabin bag size | 56×46×25 cm | 56×36×23 cm | Frontier Airlines |
| Cabin bag weight | No limit | No limit | Tied |
| Cabin bags allowed | 1 | 1 | Tied |
| Personal item | Included | Included | Tied |
| Personal item size | 45×35×20 cm | 46×36×20 cm | Spirit Airlines |
| Enforcement | strict | strict | Tied |
| Overweight fee (online) | — | — | — |
| Oversize fee (online) | — | — | — |
Check your bag on Spirit Airlines →Check your bag on Frontier Airlines →Full Spirit Airlines policy →Full Frontier Airlines policy →
Frequently asked questions
Which is stricter — Spirit Airlines or Frontier Airlines?▾
Frontier Airlines has stricter carry-on size limits overall based on the total linear dimensions of the allowed bag.
What is the carry-on size limit for Spirit Airlines?▾
Spirit Airlines allows a carry-on bag of 56×46×25 cm in economy class.
What is the carry-on size limit for Frontier Airlines?▾
Frontier Airlines allows a carry-on bag of 56×36×23 cm in economy class.
Does Spirit Airlines allow a personal item?▾
Yes, Spirit Airlines allows one personal item (underseat bag) in addition to the main cabin bag.
Find the Right Bag
Not sure which carry-on bag fits both airlines? We've reviewed the best options.
Compare another pair
Open compare tool →Rules can change. Always verify with your airline before flying.