Quick Answer
✅ Yes. Small dogs and cats are allowed in the cabin if they fit in an approved pet carrier under the seat.
✈️ Larger pets usually must travel in the cargo hold as checked baggage.
⚠️ Fees, carrier size limits, and breed restrictions vary by airline.
Details
- Carry-on (in cabin):
- Pets must fit in an airline-approved carrier that slides fully under the seat.
- Carriers must be ventilated and secure.
- Most airlines charge a pet-in-cabin fee ($95–$150 each way).
- Checked luggage (cargo hold):
- Larger dogs/cats must fly in the cargo hold under strict guidelines.
- Airlines may restrict this during extreme weather for animal safety.
- Service animals:
- Fully trained service dogs are allowed free of charge in the cabin.
- Emotional Support Animals (ESAs) are no longer recognized for free cabin travel on most U.S. airlines.
- International flights:
- Additional health certificates, vaccinations, and quarantine rules may apply depending on destination.
TSA Pet Travel Rules Summary
| Pet Type | Carry-On | Checked | Notes |
|---|---|---|---|
| Small dog/cat | ✅ In approved carrier | ✅ If too large | Cabin fee usually applies |
| Large dog/cat | ❌ Not allowed in cabin | ✅ Cargo hold | Weather/breed restrictions |
| Service dog | ✅ Always allowed | ✅ If too large | Free of charge |
Gotchas / Common Issues
- ✈️ Carrier size limits: Each airline publishes exact dimensions — confirm before booking.
- ✈️ Breed restrictions: Some airlines restrict brachycephalic (short-nose) breeds from cargo travel.
- ✈️ International rules: Health papers, rabies vaccines, and quarantine rules vary by destination.
- ✈️ Pet count limits: Airlines usually allow only a small number of pets per flight — reserve early.