Best Pet Carriers for Cats and Small Dogs
The Sherpa Original Deluxe Pet Carrier ($35) is the top airline-approved carrier for cats and small dogs — soft-sided, fits under most airline seats, and backed by a lifetime guarantee. For larger pets, the Sherpa Medium ($39) offers more interior space while still meeting cabin requirements.
See Today’s Price →At a Glance
Pet Carriers for Cats and Small Dogs Buying Guide
Photo by Gundula Vogel / PexelsAirline carrier rule: Most US airlines require soft-sided carriers that fit under the seat in front of you (typical max: 18" x 14" x 8-9"). Always verify your specific airline's dimensions before purchasing. Hard-sided kennels are generally not permitted in the cabin — cargo hold only. Sherpa and Sleepypod are specifically designed and marketed for under-seat airline compliance.
Key factors: airline approval (check airline's specific size limits), ventilation (mesh panels), stability (sturdy frame), comfort features (fleece pad), and ease of loading.
Watch Before You Buy
“Sherpa Original Deluxe Small Pet Carrier is airline-approved by most major airlines with a patented spring wire frame that lets the bag expand under the seat for pet comfort.”
See Today’s Price →What we like
- airline approved
- small size
- soft-sided comfort
- charcoal gray color
Watch out for
- Sherpa Airlines can vary in pet-in-cabin acceptance by carrier — always verify before booking
- Mesh can tear if the pet panics
- 18-inch length is small and excludes cats over 7-8 lbs comfortably
“Sherpa Original Deluxe Medium fits cats up to 16 lbs and larger small dogs — same patented expandable design with ventilation mesh on all sides for airflow.”
See Today’s Price →What we like
- airline approved
- medium size
- soft-sided comfort
- black lattice design
Watch out for
- Medium size is still tight for cats above 10 lbs
- Mesh windows can be scratched loose by anxious cats
- Fabric exterior attracts lint and pet hair
“Petsfit Expandable Soft Carrier expands to give pets extra room during long flights — 4 ventilation windows, removable plush mat, and airline-approved dimensions.”
See Today’s Price →What we like
- Expandable panel adds in-flight space
- Airline cabin approved dimensions
- Plush mat included
- Mesh ventilation panels
Watch out for
- Expandable section reduces structural rigidity when deployed
- Plush mat compresses quickly and needs replacing after a few months
- Expansion zipper can stick with regular use
Frequently Asked Questions
What are the airline size limits for pet carriers?
Can I use the same carrier for cats and small dogs?
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