Kayak turned its first annual profit last year, as the leading U.S. travel metasearch engine boosted revenue by 30%.

Kayak’s 2012 net income was $9.2 million, compared with a year-earlier loss of $2 million. and a $3.7 million loss in 2010.

The company increased its 2012 revenue to $292.7 million, though last year’s growth rate slowed slightly from 32% in 2011.

Priceline, the world’s largest online travel agency by sales, agreed last November to acquire Kayak for $1.8 billion.

Kayak shareholders last month approved the buyout, though Priceline subsequently said the transaction completion would be delayed from its original first-quarter time frame because of a review from U.K. antitrust regulators.

Follow Danny King on Twitter @dktravelweekly.
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