Is there a smoking room at Seoul airport?

Yes According to Ctrip Travel Guide. Seoul airport is very big, easy to go, and there are many luxury shops. You must hoard a lot of masks when you go to the duty-free shop. Korean native products are not only cheap, but also complete. There are many public rest areas here, with all kinds of sofas, recliners, carpets, lazy sofas and smoking rooms, so Seoul Airport has a smoking room.