Allegiant Air

North AmericaBudget

Carry-On Size Limit

22" × 16" × 10"

56 × 41 × 25 cm

Length22" / 56 cm

Width16" / 41 cm

Height10" / 25 cm

Linear Total48" / 122 cm

18 kg

40 lbs

18" × 14" × 8"

46 × 36 × 20 cm

Each dimension (L, W, H) is checked individually against the limit.

Carry-on bag fee applies; personal item is free

What size carry-on does Allegiant Air allow?: Allegiant Air allows carry-on bags with maximum dimensions of 22" × 16" × 10" (56 × 41 × 25 cm). The maximum weight is 18 kg (40 lbs).
Does Allegiant Air allow a personal item?: Yes, Allegiant Air allows a personal item up to 18" × 14" × 8" (46 × 36 × 20 cm) in addition to the carry-on bag.
What happens if my bag is too big for Allegiant Air?: If your carry-on exceeds Allegiant Air's size limits, you may be required to check it at the gate, which could incur additional fees. We recommend checking your bag dimensions before traveling.
Does Allegiant Air measure carry-on bags strictly?: Enforcement varies by airline and airport. As a budget airline, Allegiant Air tends to enforce bag size limits more strictly. Always include wheels, handles, and pockets in your measurements.