Spirit Airlines NK
Last verified: 2026-06-18Pet carrier in-cabin rules for Spirit Airlines. Check the source and last-verified date before relying on these values for your trip.
- Max carrier size
- 45.7 × 35.6 × 22.9 cm (18 × 14 × 9 in)
- Max pet + carrier weight
- 18.14 kg
- Soft-sided
- required
Soft-sided carrier required (hard-sided not permitted). Max 18x14x9 in. Combined pet + carrier max 40 lb (18.1 kg). Domestic US only. Spirit is strict on carrier dimensions — carrier must slide completely under the seat. Unverified cabin-specific fallback: no separate business in-cabin carrier rule found; copied from Economy as a conservative stand-in.
- Max carrier size
- 45.7 × 35.6 × 22.9 cm (18 × 14 × 9 in)
- Max pet + carrier weight
- 18.14 kg
- Soft-sided
- required
Soft-sided carrier required. Max 18x14x9 in. Combined pet + carrier max 40 lb.
- Max carrier size
- 45.7 × 35.6 × 22.9 cm (18 × 14 × 9 in)
- Max pet + carrier weight
- 18.14 kg
- Soft-sided
- required
Soft-sided carrier required (hard-sided not permitted). Max 18x14x9 in. Combined pet + carrier max 40 lb (18.1 kg). Domestic US only. Spirit is strict on carrier dimensions — carrier must slide completely under the seat. Unverified cabin-specific fallback: no separate first class in-cabin carrier rule found; copied from Economy as a conservative stand-in.
- Max carrier size
- 45.7 × 35.6 × 22.9 cm (18 × 14 × 9 in)
- Max pet + carrier weight
- 18.14 kg
- Soft-sided
- required
Soft-sided carrier required (hard-sided not permitted). Max 18x14x9 in. Combined pet + carrier max 40 lb (18.1 kg). Domestic US only. Spirit is strict on carrier dimensions — carrier must slide completely under the seat. Unverified cabin-specific fallback: no separate premium economy in-cabin carrier rule found; copied from Economy as a conservative stand-in.