EasyJet holidays

Alpitour

Booking.com

Couchsurfing: Stay with Locals and Make Travel Friends

Ebookers.com

Eden Viaggi

Emirates Airline

Expedia.com

Groupon.it

Hotelplan Group

Hotels.com

Kayak

Kuoni Group

Lastminute.com

Priceline.com

STA Travel

Trekamerica.com, Original adventures since 1972

Tripadvisor.com

Valtur

Veratour, Villaggi, vacanze e viaggi

Avventure nel mondo

Vagabondo.net, La compagnia dei viaggiatori

Travelhouse.ch, Reisen, die Geschichten schreiben

Bravofly, Start dreaming of tomorrow's adventures

Vologratis.org, Viaggi e vacanze low cost

Turisanda.it

Ethiad Airways

Qatar Airways

Turkish Airlines

KLM Royal Dutch Airlines

Swiss International Air Lines

Ryanair, low-cost carrier

Singapore Airlines

Lufthansa

Wizz Air

ITA Airways