Complete baggage policy, carry-on dimensions, fees and pet rules for Frontier Airlines. Always confirm directly with the airline before flying.
Carry-on baggage
Included in fare
❌ Paid extra
Max size
61 × 41 × 25 cm (24 × 16 × 10 in)
Max weight
16 kg (35 lbs)
Personal item
Free, 36 × 46 × 20 cm (14 × 18 × 8 in)
Checked baggage
Allowance
Paid only
Fees / notes
Carry-on: ~$45–60 online, $99 at gate. Checked: ~$45–55 online, much more at gate.
Personal item only on Basic fare. Bundle pricing usually cheaper than à la carte.
Pet policy
In cabin
Allowed ✅
As cargo
Not allowed ❌
Cabin limit
Soft carrier under seat
Fee
$99 one-way
Domestic US only. Dogs, cats, rabbits, small household birds 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 Frontier Airlines before flying.