Register, then purchase and complete a paid, qualifying roundtrip to/from Aspen (ASE), Colorado Springs (COS), Denver (DEN), Durango (DRO) or Grand Junction (GJT) and earn double redeemable miles. Ticketing dates: May 28, 2009 - June 30, 2009 Travel dates: May 28, 2009 - September 30, 2009 You only need to register once.

Colorado double miles offer terms and conditions (MPD489):

• To qualify for this offer, members must register, then purchase and complete one paid, qualifying roundtrip to or from Aspen (ASE), Colorado Springs (COS), Denver (DEN), Durango (DRO) or Grand Junction (GJT) on United® or United Express® operated flights within the following ticketing and travel periods. For this offer, roundtrip travel is defined as two each way segments and as travel from an origin city to a destination city with return travel beginning in the outbound destination city to the first origin city with all segments on United, or United Express, booked under one reservation under one ticket. Open jaw and circle trips do not qualify.
• Offer applies to itineraries wholly within the U.S.
• Ticketing Period: May 28 - June 30, 2009
• Travel Period: May 28 - September 30, 2009
• For tickets purchased in the U.S.: Tickets purchased through United reservation offices are subject to a $25 ticketing fee per ticket, and tickets issued at airport ticket counters are subject to a $30 ticketing fee per ticket. Fees are subject to change without notice.
• Not combinable with other noncombinable offers.
• This offer doubles the base flight miles earned.
• Bonus may be earned on a maximum of 3 roundtrips.
• Passenger must be a member of United’s Mileage Plus frequent flyer program for travel to qualify for this offer.
• Flights must be credited to the Mileage Plus account in order to qualify.
• Offer valid on paid, published fares in United First®, United Business® and United Economy®.
• Not valid on government fares.
• Registration Requirement: Registration is required anytime prior to travel, or within 30 days after travel, but must be completed by June 30, 2009 in order to qualify for the program. To register for the offer, go to www.united.com/offer/mpd489.
• Valid for travel on United and United Express - operated flights only. It is not valid on United-marketed code-share flights operated by other carriers. Bonus miles apply to base flight miles only and do not count towards elite status. Bonus is in addition to paid flight miles and any applicable elite or class-of-service bonuses.
• Bonus miles will post 6 - 8 weeks after completed qualifying activity.
• Miles accrued, awards issued and bonus offers are subject to the rules of the United Mileage Plus program. The Mileage Plus program, including accruals, awards and bonus miles offers, is subject to change without notice. Taxes and fees related to award travel are the responsibility of the passenger. United and Mileage Plus are registered service marks. For complete details about the Mileage Plus program, visit united.com.
• Offer subject to change without notice. Other restrictions may apply. (MPD489)

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