Frontier Airlines Carry-On Size & Fees (2026)
Frontier's base fare only includes a free personal item. A carry-on costs $39–$99 extra. Gate fee is $99 — always buy bags at booking.
Key Numbers
- Free personal item: 18 × 14 × 8 in (under-seat only)
- Carry-on (paid): 24 × 16 × 10 in — $39–$99 depending on timing
- Checked bag: 40 lb limit (lower than Delta/United's 50 lb)
- Gate fee: $99 — add bags online to avoid the highest rate
Related: Delta carry-on size · Southwest carry-on · Personal item size guide