Allegiant Air Personal Item Size and Weight Rules Allegiant Air doesn't have any weight limits for personal items, but they must be under 16 x 15 x 7 inches (41 x 38 x 18 cm) to fit under the ...

The airline says a checked bag’s weight limit is now at 50 lbs. It used to be 40. Each passenger may purchase up to four checked bags. There are also new size limits on personal items and carry-ons.

Spirit, American and Allegiant Airlines all cap personal item sizes at 18-by-14-by-8 inches, which perfectly matches the dimensions of this weekender tote. Advertisement Advertisement ...