Disruptions & Tech 7 min read
Flying with Pets Guide: In-Cabin Carriers, ESA Rules & Health Certificates
Complete guide to flying with dogs and cats: soft-sided carrier dimensions, airline pet fees ($125/way), USDA health certificates, and cargo rules.
Written byNathaniel Grant
Senior Travel Editor & Aviation Specialist
Fact-checked by Sarah Jenkins
Updated September 2026
AI Travel Summary & Overview
Guide Summary & Essential Takeaways
Complete guide to flying with dogs and cats: soft-sided carrier dimensions, airline pet fees ($125/way), USDA health certificates, and cargo rules.
Key Travel Facts & Insights
- In-Cabin Pet Requirements
In-Cabin Pet Requirements
Small pets under 20 lbs (including carrier) fit under the seat in front of you on domestic flights.
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Frequently Asked Questions
Do airlines still allow Emotional Support Animals (ESAs)?
US airlines no longer recognize ESAs. Only trained Service Dogs fly free in cabin.