If you have any issue with your Spirit Airlines flight, you can contact customer service by phone, online, on social media, or in person. Be sure to have your booking information ready. Examples of issues you may want to Spirit Airlines customer service about include flight cancellations or delays, lost or damaged baggage, baggage fees, seat assignments, refunds, and special requests.Check out the PPT by Airlines Pet Policy website for detailed information or contact customer service representatives for live assistance.