Through the end of 2025, Citi Double Cash cardholders can earn 5% back on travel booked in Citi's portal (except for flights). The elevated earning rates make this one of the best no-annual-fee cards for travel bookings until December 31, 2025., When booking travel through Citi Travel with Booking.com, cardholders can earn 5% cash-back on hotels, rental cars, and attractions when paying with the Citi Custom Cash card and Citi Double Cash card., The Citi Custom Cash Card earns 5 percent back on your highest spending category each billing cycle, up to $500 in purchases. The card earns 1 percent back thereafter., Cardmembers earn 2% cash back by earning 1% cash back on purchases, plus an additional 1% cash back as they pay for those purchases. In addition, earn 3% cash back on hotels, car rentals, and attractions booked with Citi Travel., With the no-annual-fee card, you’ll earn 2% cash back on purchases — 1% when purchases are made and another 1% when they’re paid off, plus, for a limited time, 5% total cash back on, .