Summary is a part of the Ctrip Group with more than 1.2 million hotels in 200 countries flight network has over 2 million individual flight routes connecting more than 5,000 cities around the globe.

Primary Region

United States of America


Program Terms

Affiliates may use the following regional sites:,,,,,,,


*Affiliates earn commission on hotel, flight and train products. Commission on train tickets from is also available (no other regional sites).  Affiliates do not earn commission on tours or vacation packages. Transactions from (Chinese Ctrip) will not be given commission.*


Transactions are validated upon travel or stay. If the transaction is cancelled by the customer, no commission will be given.