Natalija Dovbijenko, who had been travelling with her husband and child, told BBC News NI the hotel provided by EasyJet was not clean, with bathrooms that did not work.
She said that even once the return flight had been arranged the experience remained stressful for her and her family.
“When we arrived in the airport, the staff from EasyJet couldn’t find us, they said we weren’t registered for the flight,” she said.
“A lot of people started panicking, somebody started crying, screaming, because people were stressed.”
EasyJet said that “all customers who wanted to travel on yesterday’s flight were booked on”.
“We contacted customers proactively with information on how to book onto the flight for free, and any customers who arrived at the airport without booking were provided with seats,” they added.
“We also published a dedicated number for customers who needed to call us for further assistance.”