Olivia is proud to partner with Delta Airlines. The Delta Airlines discount code NM3S9 is good for up to 10% off and applies to flights in and out of Athens (ATH).  Dates of travel are Oct 10 to Nov 2, 2025. Airfare can be booked no earlier than 11 months before the trip. Click here to book online or call the Delta Meeting Network at (800) 328-1111 Monday–Friday, 8:00 a.m. – 6:30 p.m. (EST) and refer to Meeting Event Code NM3S9. Not all fares are eligible for use with this discount code. Fare rules will determine eligibility.

Olivia is proud to partner with United Airlines. The United Airlines discount code: Z Code: ZPTZ and Agreement code: 877055 are good for up to 10% off and applies to flights into and out of Athens (ATH). Dates of travel are Oct 12, 2025 – Oct 31, 2025.  Airfare can be booked no earlier than 11 months before the trip. This reservation can be completed by visiting united.com/meetings (enter the Meeting Code ZPTZ877055 in the Promotions and Certificates box). Or by calling the United Reservations Meetings Desk at (800) 426-1122 and providing the Z code and agreement code (a service fee will apply). You can also choose to book through your preferred travel agency and provide the discount program information. Discount level applicable based on 1st letter of published tariff fare purchased.