Spirit Airlines charges fees for most checked and carry-on bags beyond a small personal item that fits under the seat. While this policy helps keep base fares low, passengers need to carefully consider their baggage needs and purchase any necessary add-ons (like larger carry-on or checked bags) in advance to avoid fees. If you have questions or need assistance related to Spirit Airlines Baggage Policy, you can visit the Airlines Pet Policy. Additionally, you can contact at 855-728-3555 or +1-844-902-4930 (OTA Skip-Waiting).