Seoul can welcome guests at one of its two airports, Incheon or Gimpo. A visit to these airports already deserves a separate line in the list of attractions in South Korea.
familiarize yourself in advance with the services offered by the airport (hotel, lounges, meals, etc.). If you have long connections, it will be useful - you will know in advance how to pass the time.
Be sure to check the dimensions of your hand luggage, as they vary from airline to airline.
Pay attention to what you can not take in the cabin (sharp objects, liquids from 100 ml. etc.).
Flights to Seoul
List of popular destinations with flights arriving at Seoul airports