Airlines keep their top billing by far in Google Flight Search, but intermediaries are no longer completely shut out and seemingly have secured a little bit of turf. Among the advertisers are all four major online travel agencies - Priceline, Orbitz, Expedia and Travelocity - as well as Cheapoair and Kayak, for example. “We are exploring advertising opportunities with the Flight Search page to showcase the products and services from relevant partners, including our OTA and metasearch partners,” says Sandra Heikkinen, a Google spokesperson. “For example, we recently launched an ad format on the Flight Search results page which allows users to repeat their flight searches on advertiser websites,” Heikkinen adds. “While this is just a start, we look forward to expanding our advertising efforts with partners and to continue experimenting with different formats, placements and targeting capabilities.” Get the full story at Tnooz Read also "Google Travel - are OTAs not part of the deal?"