After Southwest announced the fare increases, United Airlines, American, Delta Air Lines, JetBlue Airways, Virgin America, and US Airways followed suit. United expanded the increase to all domestic routes except for Hawaii, according to reports.
A spokesman for Southwest cited higher fuel costs as the main reason for the increase, according to a USATODAY report. Crude oil is trading right around $100/barrel, up significantly from its $78 low in June.
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