Travelbug Airlines There is no fancy structure on Mykonos street where you can visit the TUI Airways Mykonos office</a> . It's not as though they had a store in the city where you could go and strike up a discussion . Rather they essentially set up shop at the airport when their planes arrive and go. During the busy summer months, TUI employees can be located at Mykonos International Airport (JMK). But, as they are only visible to tourists, you shouldn't expect to see them there year-round. If TUI handled your reservation, they might have a representative at the hotel. These people are comparable to your go-to contacts for planning fun island excursions or resolving any issues that may arise during your vacation. website : https://junotrip.com/tui-airways/tui-airways-mykonos-office/