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 is pleased to offer special discounts for Optica. Go to the Delta Air Lines website to reserve your flight. Use promotional code NY53E. Travel must be booked within the specified travel dates and at the specified airports to receive the discount.  

Discount: Up to 8% discount on applicable fares
Promotional Code: NY53E
Travel Dates:  06-20 April 2027
Destination: Brussels International Airport (BRU)

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 ZXSM954482 in the Offer Code form field. Or call the United Meeting Reservation Desk and mention Z Code, ZXSM, and Agreement Code, 954482. 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: ZXSM954482
Travel Dates: 08-18 April 2027
Destination: Brussles International Airport (BRU)

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. >