10 Most Popular Online Hotel Booking Websites adminPosted onJanuary 24, 2017December 4, 2017inTravel 1. HotelsCombined.com hotelscombined.com 2. Trivago trivago.com 3. Booking booking.com 4. Priceline priceline.com 5. Hotels hotels.com 6. Expedia expedia.com 7. Agoda agoda.com 8. Hostelworld hostelworld.com 9. Orbitz orbitz.com 10. Hotel Tonight hoteltonight.com