Is it an issue to have a return flight 89 days after arrival in Thailand with a 60-day visa exemption?

The user is concerned about arriving in Thailand on a 60-day visa exemption while having booked accommodations for 89 days and a return flight for the same date. They plan to extend their stay by applying for a 30-day extension. Community members emphasize that airlines are the primary concern regarding onward tickets, suggesting strategies such as booking a cheap onward ticket or having proof of onward travel to avoid issues during check-in. Many share their experiences and opinions, highlighting that while not always required by immigration, proving onward travel can prevent complications at the airport.