Frontier personal item and carry-on size
Frontier includes a free personal item up to 18 × 14 × 8 in (46 × 36 × 20 cm). You can add a carry-on up to 24 × 16 × 10 in (61 × 41 × 25 cm), max 35 lb (15.9 kg).
Personal item free
18 × 14 × 8 in
46 × 36 × 20 cm
Carry-on paid
24 × 16 × 10 in
61 × 41 × 25 cm · 35 lb (15.9 kg)
Checked bag
40 lb
62 linear in (157 cm), 40 lb (18 kg)
Frontier bag rules worth knowing
- Frontier's checked bag limit is 40 lb, 10 lb lower than most US airlines.
- Frontier asks you to buy a carry-on or checked bag at least 60 minutes before the flight; bags are cheapest when added at booking.
How Frontier compares
Carry-on size rank: 6 of 25 (63 L); personal item: 3 of 22 (33 L).
A bag at Frontier's full carry-on size also fits the carry-on limit of Southwest, Sun Country, but is too big for American, Delta, United, Spirit and 18 more.
A maxed-out Frontier personal item also passes as a personal item on American, Spirit, Allegiant.
Will your bag fit Frontier?
Source: Frontier Airlines, checked 2026-10-29.