Airline comparison
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
Mixed or incomplete limits
The row highlights show which airline is more restrictive for each field. The overall result compares published dimensions, weight, and bag count together. Different or incomplete limits may not establish one stricter airline. The enforcement row is an editorial estimate and never changes the objective result.
Frontier Airlines source
Allegiant Air source
| Policy | Frontier Airlines | Allegiant Air | Strictest |
|---|---|---|---|
| Cabin bag size | 61×40.6×25.4 cm | 55×40×25 cm | Allegiant Air |
| Cabin bag weight | 15.88 kg | Not published | — |
| Cabin bags allowed | 1 | 0 | Allegiant Air |
| Personal item | Included | Included | Tied |
| Personal item size | 45.7×35.6×20.3 cm | 45×35×20 cm | Allegiant Air |
| Editorial enforcement estimate | strict | strict | Tied |
| Overweight fee (online) | — | — | — |
| Oversize fee (online) | — | — | — |
Frequently asked questions
Which is stricter — Frontier Airlines or Allegiant Air?
The published limits do not establish one uniformly stricter airline. Check the individual size, weight, and bag-count rows.
What is the carry-on size limit for Frontier Airlines?
Frontier Airlines allows a carry-on bag of 61×40.6×25.4 cm with a weight limit of 15.88 kg in economy class.
What is the carry-on size limit for Allegiant Air?
Allegiant Air allows a carry-on bag of 55×40×25 cm in economy class.
Does Frontier Airlines allow a personal item?
The current Frontier Airlines record lists a personal item. Check the selected fare and official source because inclusion can vary.
Does Allegiant Air allow a personal item?
The current Allegiant Air record lists a personal item. Check the selected fare and official source because inclusion can vary.
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