There are quite a lot of smoking areas at Incheon Airport. As normal there is no smoking in the general terminal, only in dedicated smoking areas.
1F
Adjacent entrance 8 in the Passenger Terminal
2F
There are no locations shown on the Airport Map for 2F. If you find an area please leave it’s location in the comments below.
3F
Near Gates: 10, 12, 23/15, 30, 32/40, 45, 127/128
