I Paid ₺20 for SunExpress Berlin–Izmir Check-in After Their Website Failed

I had a very frustrating experience with SunExpress on the Berlin–Izmir route. While trying to complete online check-in through their official website, I encountered a system error and couldn’t proceed. Since the online option failed, I had no choice but to check in at the airport—where I was charged an extra ₺20.

Here’s where things got even more disappointing: when I requested a receipt for the check-in fee, the document I received initially listed ₺5. Then, shockingly, they crossed it out and wrote ₺20 by hand. This left me feeling tricked and disrespected. If the site had worked properly, I wouldn't have been forced into this fee. Why am I being penalized for a technical issue that wasn't my fault?

This kind of treatment is unacceptable, especially when it’s caused by their own system error. If SunExpress wants to maintain customer trust, they need to fix their digital tools and stop charging passengers for problems on their end. I will not be purchasing another ticket from SunExpress and will make sure others are aware of how they treat customers. I demand a refund of the fee and an explanation for this unacceptable practice.