United has a special offer for the Holiday season. There a three categories of fares: Low, Lower and Lowest. The fares are valid from December 13 to January 7, 2008. Here are some samples of flights with the lowest fares:
Albuquerque - Washington-Dulles $159
Austin - Washington-Dulles $139
Birmingham - Denver $139
Boston - Chicago $106
Chicago - Denver $124
Chicago - New York City $124
Denver - New York City $159
Denver - Washington-Dulles $139
Kansas City - Denver $124
Las Vegas - Los Angeles $99
Los Angeles - Boston $179
Los Angeles - Washington-Dulles $149
Miami - Chicago $139
New Orleans - Washington-Dulles $124
Philadelphia - San Francisco $179
Portland, OR - Chicago $159
San Francisco - Atlanta $177
San Francisco - Chicago $179
Washington-Dulles - Chicago $124
Washington-Dulles - Nashville $124
