Find the best latest Trip.com coupon codes, promo codes & discounts for June 2018 and we're always updating this page 24/7, Get 60% off w/ 4 trip.com Coupons. Check out our 4 Trip.com promo codes including 0 coupon codes, Free Shopping Codes and 4 deals. Plus get free shipping and site-wide offers from trip.com online stores. Enter Trip.com coupon code when purchasing online. Very often, the way you use coupons online is by entering the coupon code inside the shopping cart program while you are purchasing. Save dollars online at trip.com in June 2018.