Spirit Airlines vs Allegiant Air: Carry-On Policy Comparison
Side-by-side comparison of cabin bag size limits, weight allowances, personal item rules, and baggage fees.
Strictest overall
Allegiant Air
Allegiant Air has more restrictive cabin bag limits based on total linear dimensions.
| Policy | Spirit Airlines | Allegiant Air | Strictest |
|---|---|---|---|
| Cabin bag size | 56×46×25 cm | 56×36×23 cm | Allegiant Air |
| Cabin bag weight | No limit | No limit | Tied |
| Cabin bags allowed | 1 | 0 | Allegiant Air |
| Personal item | Included | Included | Tied |
| Personal item size | 45×35×20 cm | 40×35×18 cm | Allegiant Air |
| Enforcement | strict | strict | Tied |
| Overweight fee (online) | — | — | — |
| Oversize fee (online) | — | — | — |
Check your bag on Spirit Airlines →Check your bag on Allegiant Air →Full Spirit Airlines policy →Full Allegiant Air policy →
Frequently asked questions
Which is stricter — Spirit Airlines or Allegiant Air?▾
Allegiant Air 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 Allegiant Air?▾
Allegiant Air 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.
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