Frontier 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
Tied
| Policy | Frontier Airlines | Allegiant Air | Strictest |
|---|---|---|---|
| Cabin bag size | 56×36×23 cm | 56×36×23 cm | Tied |
| Cabin bag weight | No limit | No limit | Tied |
| Cabin bags allowed | 1 | 0 | Allegiant Air |
| Personal item | Included | Included | Tied |
| Personal item size | 46×36×20 cm | 40×35×18 cm | Allegiant Air |
| Enforcement | strict | strict | Tied |
| Overweight fee (online) | — | — | — |
| Oversize fee (online) | — | — | — |
Check your bag on Frontier Airlines →Check your bag on Allegiant Air →Full Frontier Airlines policy →Full Allegiant Air policy →
Frequently asked questions
Which is stricter — Frontier Airlines or Allegiant Air?▾
Frontier Airlines and Allegiant Air have similar overall cabin bag restrictions.
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.
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 Frontier Airlines allow a personal item?▾
Yes, Frontier 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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