Flight Search was launched in 2011 and was brought to the U.K. in 2013. Google based it on technology from ITA Software, which it bought for $700 million. Flight Search currently enables people to compare the best flight times and prices from one site.
Companies that offer similar services like TripAdvisor and Expedia, however have said that Google's flight search service excluded any links to online travel agencies. Therefore, they filed an antitrust complaint against the service with European Commission in 2012.
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