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Southwest pet policy: flying with a dog or cat
Southwest accepts dogs and cats in the cabin. Here are its conditions, read on its official page, and the catches to know before you book.
What the airline accepts
- Cabin
- YesPublished fees: 125 USD (continental) · 35 USD (inter-island Hawaii)
- Hold (checked)
- No
- Cargo
- No
What to check before you book
- On a codeshare, the rules of the airline OPERATING the flight apply, not the one on your ticket.
These conditions also depend on the route and date: some destinations close the cabin, and the arrival country has its own rules. The check is free.
Check my route →Source
Conditions read on the airline's official page, verified on September 23, 2026. support.southwest.com
Documented routes with this airline
Routes in our catalogue where it appears among the possible airlines (315).
Common questions
- Can I fly with my dog in the cabin on Southwest?
- Yes, Southwest accepts small dogs and cats in the cabin, in a carrier that fits under the seat.
- Does Southwest accept pets in the hold?
- No, Southwest does not accept pets in the hold.
- Does Southwest accept short-nosed breeds?
- We found no restriction specific to short-nosed breeds on Southwest's official page. Still check when you book.