Some airlines are going a long way to make sure you don`t use third party travel sites like Expedia and Orbitz. Companies like Southwest and Frontier Airlines won`t let you choose your seats ... more 
Some airlines are going a long way to make sure you don`t use third party travel sites like Expedia and Orbitz. Companies like Southwest and Frontier Airlines won`t let you choose your seats beforehand or choose not to list the flight price on third party sites. less 
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Tribune
Tue, Jul 23, 2013 9:45 AM EDT