From Incheon Airport to Hongdae: Complete AREX and Bus Guide Traveling from Incheon Airport to Hongdae is one of the most common routes for tourists arriving in Seoul. Hongdae, known for its youthful energy, street performances, and trendy cafes, is only about an hour away from the airport. Whether you’re a first-time visitor or a returning traveler, this guide will help you find the fastest, mo..