Posted August 7, 2007

• Purchase plane tickets by August 20, 2007.
• Complete travel by December 13, 2007.
• Travel is valid on off-peak days of the week.
• Minimum stay and advance purchase vary by destination, and a maximum stay of 30 days is permitted.
• Blackout dates and exceptions apply; see the fare facts for full rules and information.
• For complete terms and conditions, please check out airline's website.

Sample each-way fares based on required roundtrip purchase:
(For U.S. and Canada travel, fares are valid for travel originating in either city below. For international travel, fares are valid for travel originating in the U.S. only.)

Boston - Washington-Dulles $64
Chicago - Amsterdam $279
Chicago - Denver $79
Chicago - Puerto Vallarta $154
Denver - Los Angeles $131
Denver - Paris $359
Denver - New York City $129
Kona - Los Angeles $255
Los Angeles - Guatemala City $138
Los Angeles - London $264
Montreal - Chicago $198
New York City - Seoul $425
San Francisco - Los Angeles $44
San Francisco - Seattle $128
San Francisco - Sydney $659
Seattle - Tokyo $370
Toronto - Denver $224
Washington-Dulles - Cancun $138
Washington-Dulles - Chicago $86
Washington-Dulles - Rome $319