Allegiant Air personal item size
Verified 28 September 2026
Allegiant Air (G4) includes one personal item of 8 × 14 × 18 in (20.3 × 35.6 × 45.7 cm) on All fares, to be stowed under the seat in front. On All fares, it is the only item Allegiant Air lets you take into the cabin for free. Verified on 28 September 2026 from the official Allegiant Air baggage page.
Is the personal item free on every Allegiant Air fare?
| Fare | Personal item | Cabin bag |
|---|---|---|
| All fares | 8×14×18 in | Paid extra |
What fits under the seat on Allegiant Air
- On All fares, the personal item is the only free bag Allegiant Air allows in the cabin, so it has to hold everything you take on board.
- Filled as a box, Allegiant Air's 8×14×18 in personal item holds about 33 litres, above the median of 18 L across the 56 airlines that publish three personal item sides.
- Against the 8 airlines from North America that publish a personal item size (average 95.1 cm in total), Allegiant Air allows 101.6 cm, more than 71% of them.
- Allegiant Air's official text says wheels and handles count in the personal item size.
- By volume, the 8×14×18 in personal item on Allegiant Air is 57% of the 10×16×22 in cabin bag: about 33 L against 57.7 L.
- With 101.6 cm in total, the Allegiant Air personal item is bigger than 52 and smaller than 1 of the 57 verified airlines that publish a personal item size.
Allegiant Air personal item questions
- Is the personal item free on every Allegiant Air fare?
- Yes: all 1 Allegiant Air fare on this page includes a personal item.
- Can a 40 × 30 × 20 cm bag be a personal item on Allegiant Air?
- A soft 40 × 30 × 20 cm (15.7 × 11.8 × 7.9 in) under-seat bag fits, but with only 0.3 cm (0.1 in) to spare on the depth against Allegiant Air's 8×14×18 in personal item limit.
More personal item rules
Official sources
- https://www.allegiantair.com/popup/optional-services-fees — checked on 28 September 2026