Booking.com
Global OTA with hotels, vacation rentals, and apartments. Known for its deep inventory and flexible cancellations.
GoVoyages
French OTA for flights, stays, cars, and packages with strong airfare comparisons. Good for domestic France and European travel planning.
Netflights
UK OTA specializing in flight deals with hotel and car add-ons. Strong for comparing global routes and carriers.
Opodo
European OTA for flights, hotels, cars, and packages with solid airfare tools. Helpful for mixing carriers and finding competitive itineraries.
TravelSupermarket
TravelSupermarket is a UK-based travel comparison site specializing in flights, hotels, and packages.
eDreams
European OTA for flights, stays, cars, and packages with strong flight coverage and frequent promos. Good for multi-airline comparisons and low-cost carrier options.