Frontier Airlines allows domestic dogs, cats, and some other small household animals to travel in the aircraft cabin. The pet container must be no bigger than 18" x 14" x 8" and fit under the seat ...

Frontier Airlines, JetBlue Airways, Spirit Airlines, Southwest Airlines, Sun Country Airlines, and United Airlines only allow pets in the cabin. Source: United Airlines, Southwest Airlines ...

American Airlines American allows cats and dogs ... Up to six pets are allowed on JetBlue flights. Frontier allows pets on board for a $99 fee each way, as long the pet fits in a carrier.

Alaska and Frontier top our list, but regardless of airline, flying with a pet will be expensive. Many or all of the products on this page are from partners who compensate us when you click to or ...