Travel Discounts

Optica enhances the benefits we provide to meeting participants. We actively work with the host city, hotel and local area businesses to provide amenities and discounts.

Additional discounts may become available up until the meeting. Please continue to check back for current discount programs.

Airline Discounts

Travel must be booked between the specified travel dates and at the specified airports in order to receive the discount.

Customer Service
Delta Meeting Network®: +1 800.328.1111
Monday – Friday, 07:00 – 19:30  (US Central Time)
A service fee is not assessed for reservations booked and ticketed via the reservation 800 number. 

Reserve your flight. >

United Airlines partners with Optica for air travel to this meeting. Visit the United Airlines website and enter ZRSN137869 in the Offer Code form field. Or call the United Meeting Reservation Desk and mention Z Code, ZRSN, and Agreement Code, 137869​. Travel must be booked within the specified travel dates and at the specified airports in order to receive the discount.  

Promotional Code: ZRSN137869
Travel Dates: 12 - 21 June 2026
Destination: Glasgow Airport (GLA)

Customer Service
United Meeting Reservation Desk: +1 800.426.1122
Monday - Friday, 08:00 – 22:00 or Saturday - Sunday, 08:00 – 18:00 (US Eastern Time)
Booking fees are waived for Meeting reservations. 

Reserve your flight. >