All airlines Allegiant
Size limits
Allegiant Air carry-on and personal item size limits
Last checked November 12, 2026
under the seat
Gosling (personal item)
18 × 14 × 8 in
45 × 35 × 20 cm
Weight limit: none listed
overhead bin
Goose (carry-on)
22 × 16 × 10 in
55 × 40 × 25 cm
Weight limit: none listed
Good to know
- Limits include wheels and handles.
- One personal item is free. A carry-on bag costs extra.
Source: Allegiant Air official baggage page ↗
Airlines change their rules. Always confirm size limits with your airline before you fly.