In addition to skram list of directories and search engines. Here are some APIs in the travel/flight industry http://flightstats.com http://flightstats.com ht

In addition to skram list of directories and search engines. Here are some APIs in the travel/flight industry http://flightstats.com http://flightstats.com https://www.developer.aero/ https://www.developer.aero/ https://developer.concur.com/ https://developer.concur.com/ https://developer.travelport.com/ https://developer.travelport.com/ http://developer.ean.com/ http://developer.ean.com/ (expedia) Hope it helps :)