South Korea's Incheon Airport offers eight tours to travellers on a layover. Generally you need around 2 to 6 hours for these tours. In total, there are 14 departures per day. The first is at 8.00am and the last finishes at 3.00pm.The shortest tour is an hour long and takes you to Yonggungsa Temple, a Buddhist temple built in 1376. For those who have two hours to spare, there is an Incheon Temple tour, which includes the Heungryunsa Temple, Incheon Grand Bridge and the Memorial Hall. And if you have 3 hours and a wild heart, then you can take the Gwangmyeong Cave Tour.Have even more layover time? Take the Songdo City Tour, which lasts 4 hours or the Seoul City Tour, that lasts 5 hours. And if you have time but don’t want to leave the airport, you can take the Incheon Airport Culture Tour, which leads visitors to the Arrival Hall's Culture Street, then through security to a traditional craft gallery, Walk of the Royal Family, and Traditional Korean Culture Center before rounding off the tour with a classic concert.How to do it: Reservations can be made online or at the main Transit Tour desk in immigration section B, near the KoreanAir desk, 2nd floor of the passenger terminal.