Whether you can swipe your card twice at an airport lounge depends entirely on the guest policy of your specific credit card or lounge membership (like Priority Pass). If your card includes "complimentary guest access," the lounge staff will swipe your card and the system will recognize that you are authorized to bring a companion for free. However, if your card only provides "individual access," swiping a second time will usually result in a "denied" message or trigger an immediate "walk-in" fee (typically $35–$50) on your next statement. In 2026, many lounges have implemented a "re-entry" window (often 2 to 3 hours), meaning if you leave and try to swipe the same card again shortly after, the system may flag it as a duplicate or a second visit. Always check your bank's app for your "Lounge Visit" balance before trying to swipe for a friend to avoid unexpected charges.