Effective April 1, all the listings from Enterprise's brands will be pulled from Orbitz and sister site CheapTickets.

CNN: Orbitz, Enterprise car rentals part ways

Orbitz, which is affiliated with Cheaptickets.com, HotelClub.com and Ratestogo.com, is among dozens of websites consumers use to comparison shop for airline tickets, hotel rooms and rental cars.

FORBES: Orbitz Loses AA, While Priceline Continues to Soar

In first-half 2012, Kayak derived 24%, 10%, and 9% of total sales, respectively, from deals with Expedia (Hotels.com, Hotwire), Priceline and Orbitz (including its CheapTickets and ebooker subsidiaries), according to regulatory filings.

FORBES: Connect

Start by clicking over to Travelocity.com, Orbitz.com, Hotwire.com or Cheaptickets.com (all of which are online travel agencies, or OTAs in industry parlance), and check the "flexible dates" button or link.

CNN: The skinny on finding airfare deals