Travel Discounts

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United Airlines Discount Information

United Airlines is pleased to offer special discounts in connection with GCAGS/GCSSEPM 2015, with service to and from George Bush Intercontinental Airport (IAH) between the dates of September 15th and 26th. Simply book online at and enter ZUXD412208 in the Offer Code box when searching for your flights.

If booking through a travel professional or United Meetings at +1-800-426-1122, please give them the following information: Agreement Code: 412208 and Z Code: ZUXD. Outside of the United States, please call your local United Airlines Reservation Office.

Experience dependable, first-rate service and earn miles in MileagePlus®, United’s award-winning frequent flyer program. To enroll in MileagePlus®, log on to


Avis Rent A Car Discount InformationAvis logo

GCAGS is pleased to offer discounts for renting a car while you’re in Houston. Simply use the Avis Worldwide Discount (AWD) number D495862 when calling Avis at +1 (800) 331-1600 to make reservations. Provide the reservations agent with this AWD number to ensure you receive the best available car rental rates. The AWD will be effective from seven days prior to the convention until seven days after the event.

Alternatively, you may reserve your vehicle online by clicking on the link below. If you use this special bridge link the AWD number will automatically be placed in the reservation detail:
Avis link for the 2015 Gulf Coast Association of Geological Societies’ 65th Annual Convention