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.

Airfare

Travel must be booked within the specified travel dates and at the specified airports to receive the discount.  

Delta Air Lines offers special discounts to meeting attendees. Go to the Delta Air Lines website to reserve your flight. Use promotional code NY3FL. Travel must be booked within the specified travel dates and at the specified airports to receive the discount.  

Discount: Up to 10% discount on applicable fares
Promotional Code: NY3FL
Travel Dates:  12- 22 June 2025
Destination: Denver International Airport (DEN)
Origin: Any United States City

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 ZQ2H974415 in the Offer Code form field. Or call the United Meeting Reservation Desk and mention Z Code, ZQ2H, and Agreement Code, 974415. Travel must be booked within the specified travel dates and at the specified airports in order to receive the discount.  

Discount: Up to 10% discount on applicable fares
Promotional Code: ZQ2H974415
Travel Dates: 12- 22 June 2025
Destination: Denver International Airport (DEN)
Origin: Any United States City

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. >