NK · Pet Policy 2026
In-Cabin
Allowed
Cargo
Not available
Max Weight (cabin)
18 kg
Domestic Fee
$125
International Fee
—
Pets Allowed
dog, cat
18" x 14" x 9" (46 x 36 x 23 cm)
Domestic US flights only — no pets on international flights (service animals only). Pet + carrier max 40 lbs (18 kg). Min age 8 weeks. Max 6 pets per flight, 1 carrier per passenger (up to 2 small pets per carrier). Rabbits and birds also accepted on most domestic routes but not on PR/USVI flights.
Policy last updated: 2026-03-25. Always verify directly with Spirit Airlines before booking.
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