Incheon Airport is ranked No. 1 globally for service satisfaction and is where travellers can enjoy its cleanliness and convenience. If you arrive in Seoul, you can use transportation such as the subway and buses. If you travel by bus, you will ride in the bus-only lane, which means you will be able to avoid all of the city’s traffic jams. Bus services can even run in Seoul’s main areas at night, thanks to the late night bus transportation policies in Seoul.