KRW 18,000 beats the KRW 80,000 late‑night taxi to Dongdaemun

N6701 runs from ICN T1 and T2 to Dongdaemun Design Plaza in about 50–70 minutes, aimed squarely at late-night arrivals when Line 2 and Line 4 transfers are basically off the table. The fare clocks in at KRW 18,000, so you’re paying roughly a quarter of the typical KRW 70,000–80,000 taxi quote into central Seoul after midnight. Buses roll roughly every 30–60 minutes, so you might wait a bit, but you’re not stuck overnight at the airport.

The bus boards at the standard airport limousine bays outside T1 and T2, with N6701 clearly marked in Hangul and English on the stand and on the windshield. Count on a 50–70 minute ride into the Dongdaemun area depending on traffic on the Gyeongin Expressway and around Cheonggyecheon. Pay the KRW 18,000 fare with T-money, a credit card that supports contactless, or cash; drivers like exact notes because change slows down boarding. Keep your luggage tag handy since bags usually go in the under-floor compartment at ICN.

Late Friday and Saturday, the N6701 can feel like a regular night bus, with club-goers and Dongdaemun market workers sharing the ride into town around 01:00–03:00. That’s when the “every 30–60 minutes” schedule bites: miss one by 5 minutes and you might be staring down a 50-minute wait at T2. Some riders report standing with suitcases on weekend runs once the bus hits eastern Seoul, so don’t bank on a spare seat if you board last at T1 after a busy arrival bank.

The stop near Dongdaemun Design Plaza is where people get tripped up, because multiple stops in the area carry “Dongdaemun” in the name: Dongdaemun, Dongdaemun History & Culture Park, and variations around DDP. Regulars ping their guesthouse or hotel ahead of time and ask, in writing, for the exact stop name in Hangul, then paste that straight into Naver Map. Do the same for the ICN-bound stop: the return N6701 doesn’t always board from the same pole you got off at.

Announcements for Dongdaemun History & Culture Park and other central stops technically run in English, but riders complain they’re sometimes too quiet, especially if the driver is chatting near the speaker. To avoid blowing past your stop at 02:00 with two suitcases, set a Naver Map or KakaoMap alert a few stops ahead, then move toward the middle door one full stop before DDP so you can haul bags down quickly. Regulars sit near that middle door from the start for exactly this reason.

Practical tip: before you land at ICN, grab Wi‑Fi info or an eSIM, copy your hotel’s recommended Dongdaemun stop name in Hangul into Naver Map, and treat N6701 as the default if your arrival hits Incheon after about 23:00.