Complete Guide to Spirit Airlines Infant Travel Rules and Fees

 Stepping into the skies with a baby is more than just travel; it’s a new rhythm of life on the move. Spirit Airlines understands that. That’s why they’ve refined their Spirit Airlines Infant Policy to strike a balance between care, comfort, and convenience, transforming what could be chaos into calm.

This guide isn’t just another summary; it’s your all-access map to understanding how to fly with your little one under Spirit’s unique and family-friendly framework.

Defining “Infant” in Spirit Airlines’ Eyes

Under Spirit Airlines baby travel rules, an infant is defined as a traveler between 7 days and 23 months old. That’s the golden window where your child qualifies to travel either as a lap infant or in their own seat.

Here’s what that means for you:

  • Babies under 7 days old can’t fly.

  • If your child is under two years old, they can sit on your lap completely free of charge (domestic flights only).

  • If you prefer a dedicated seat, you can purchase one for your infant and secure them in an FAA-approved car seat.

  • Once your infant turns two, they must occupy their own seat for the rest of the journey.

The essence of the Spirit Airlines Infant Policy is simple: flexibility with a foundation of safety.

Proof of Age – Documentation You’ll Need

Spirit reserves the right to verify your child’s age, so come prepared. Acceptable proof includes:

  • Birth certificate

  • Passport

  • Hospital birth record

A quick age check prevents boarding issues and ensures a smooth process from the counter to the cabin.

Spirit Airlines Lap Infant Policy – The Art of Effortless Travel

The Spirit Airlines lap infant policy is a symphony of simplicity. You can bring one lap infant per adult (age 15 or older) free of charge. A few notes to remember:

  • Only one lap infant per adult, one little traveler.

  • Taxes or fees may apply for specific destinations outside the U.S.

  • You can easily add your infant online when booking or later through Spirit’s reservations channels.

Buying a Seat for Your Infant – A Safer Sky Option

While lap infants are convenient, many parents prefer a separate seat for better comfort and safety. Spirit Airlines supports this preference; just ensure you use an FAA-approved child restraint system (CRS) or a CARES harness.

Important placement notes:

  • Car seats are not allowed in emergency exit rows, nor in the rows directly in front of or behind them.

  • Seats with inflatable seatbelts cannot accommodate car seats.

  • If your seat doesn’t fit perfectly, Spirit’s friendly crew will try to relocate you to a suitable spot (excluding Big Front or Premium seats).

This makes Spirit’s baby travel policy one of the most adaptable in budget aviation, family-friendly and flexible without compromising safety.

Spirit Airlines Infant Baggage Allowance The Parents’ Relief

Packing for a baby means you’re bringing a small universe with you. The Spirit Airlines infant baggage allowance keeps this in mind.

Here’s what’s included at no extra charge:

  • One stroller and one car seat per child, checked free at the ticket counter.

  • Traveling with twins or two kids? You’re welcome to check a double stroller.

  • You can gate-check baby gear if you prefer to use it up to the boarding gate. Spirit ensures it’s waiting for you upon arrival.

This allowance ensures your essential baby gear moves with you, not against you.

Traveling Internationally with Your Infant

For parents flying beyond U.S. borders, Spirit’s infant travel rules adapt slightly. While lap infants still travel at reduced cost, destination-based taxes or fees may apply. These are set by the destination country, not the airline.

Conclusion

The Spirit Airlines Infant Policy isn’t just a list of rules; it’s a thoughtfully crafted system built for today’s traveling families. Because on Spirit Airlines, it’s not just about getting there, it’s about starting your baby’s travel story with care, ease, and a touch of adventure.


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