Airbnb Coupon Code: Get $55 off Your Booking Free! - Triphackr Use this Airbnb coupon code to take $55 off your next booking. Follow these steps to save money on your next Airbnb booking by applying this coupon code. ... All you need to know is it's for first time reservations and reservations over $75 and you will automatically earn the $55 at checkout. You will see your Airbnb promotion applied as a ...