Kayak.com has acquired Austrian travel website JaBo Software for $9.5 million. Kayak.com reported first quarter revenues of $53 million, which is 43% growth from a year ago. JaBo Software’s website is www.checkfelix.com. Kayak.com filed their IPO papers this past November and is planning to raise $50 million.

Kayak.com has added the option to book a hotel room directly through their website. Kayak.com used to promote hotel prices from third parties such as Hotels.com, Expedia, and Priceline. Currently the hotels feature is in limited beta and it will be available through the Kayak.com iPhone app too. Kayak.com recently filed for an IPO and it makes money by referring traffic to Expedia and Orbitz.

Microsoft Corporation (NASDAQ:MSFT) has partnered with travel search engine KAYAK.com. In the next few weeks Bing Travel will aggregate travel search engine data gathered from KAYAK.com. Bing Travel is also best known for a service known as Farecast. Farecast charts flight prices and makes predictions based on whether now is a good time to buy a flight or hold out. This is especially useful now considering that oil prices are at an all-time high and domestic airlines have increased prices for the 6th time in a row. [Bing Community Blog]

Kayak.com has filed an S-1 statement with the SEC for a proposed IPO. Kayak hopes to raised $50 million according to the S-1. During the first 9 months of 2010, Kayak made about $128 million in revenues. This is a 48% jump from the year before. During the third quarter ending September 30, Kayak made about $48 million in revenues. Between January and September, Kayak.com processed over 469 million user queries.

As you may remember, Google Inc. (NASDAQ:GOOG) has acquired ITA Software in July 2010 for $700 million. ITA Software is the provider of flight data for many travel websites including Kayak.com, Farelogix, Sabre Holdings, and Expedia. These companies are also forming a coalition called FairSearch.org in order to persuade the Justice Department to block the deal.

Google Inc. (NASDAQ:GOOG) has confirmed that they have acquired Boston-based company ITA Software, just hours after we posted speculation that the deal was in discussions.

Google Inc. (NASDAQ:GOOG) is rumored to be in discussions to acquire ITA Software.  ITA Software is a travel company that provides flight data to major web and mobile services such as Kayak.com and Orbitz.com.  ITA Software clients include American Airlines and Continental Airlines.

Kayak has acquired Swoodoo, a German travel search engine. Kayak is very popular in the U.S., but does not see as much traffic in the Europe market. This will help make up for that gap. Swoodoo was founded in 2006 and is the market leader in online flight search in Germany. Back in December 2007 — Kayak raised $196 million in funding and acquired SideStep for $200 million. “Both the management and the investors are very happy with the financial terms,” stated Swoodoo CEO Christian Saller. [TechCrunch Europe]