Complete baggage policy, carry-on dimensions, fees and pet rules for Allegiant Air. Always confirm directly with the airline before flying.
Carry-on baggage
Included in fare
❌ Paid extra
Max size
56 × 41 × 18 cm (22 × 16 × 7 in)
Max weight
No weight limit
Personal item
Free, 41 × 28 × 18 cm (16 × 11 × 7 in)
Checked baggage
Allowance
Paid only — from ~$20 online
Fees / notes
Carry-on $15–75 online (cheapest if added at booking, expensive at gate).
US leisure-focused ULCC. Pay for every extra at booking time.
Pet policy
In cabin
Allowed ✅
As cargo
Not allowed ❌
Cabin limit
Carrier max 23 × 41 × 23 cm soft-sided
Fee
$50 one-way
Domestic US only. Cats and small dogs in cabin. No cargo program.
⚠️ Airline policies change frequently. This page is based on each carrier's published baggage policy; always verify the latest fees + rules directly with Allegiant Air before flying.