If you arrive at Incheon Airport after midnight, or you need to get to the airport for a very early flight, transportation options can feel limited.
Seoul’s subways and the AREX train stop running around midnight and do not restart until early morning.
A taxi is always an option, but fares from central Seoul to Incheon Airport can easily reach 80,000 to 120,000 KRW.
Fortunately, there is a cheaper alternative.
The KAL Airport Limousine night bus operates on two overnight routes connecting Incheon Airport with central Seoul and the Gangnam area.
It runs during the hours when public transportation is closed, making it one of the most practical budget options for late arrivals and early departures.
Below, I will break down exactly how it works, where it stops, and when it runs, so you can decide if it makes sense for your trip.
TL;DR: Getting Between Incheon Airport and Seoul After Midnight
- Seoul subways and AREX stop running around midnight.
- There are two overnight airport bus routes:
- N6701 to Central Seoul
- N6703 to Gangnam and Jamsil
- Cost is 18,000 KRW one way.
- Buses run between approximately 11:30 pm and 4:30 am, depending on the terminal and direction.
- Boarding is at Terminal 1 Level 1 or Terminal 2 B1 Transit Center.
- A taxi can cost 80,000 to 120,000 KRW.
- If you miss the last bus, wait for early morning trains or use Spa On Air at Terminal 1
Incheon Airport to Central Seoul After Midnight
The N6701 night bus connects Incheon International Airport with central Seoul.
This route serves Dongdaemun, Euljiro, Seoul Station, and Mapo, making it one of the most useful options for travelers staying in popular central areas.
Fare
- Adults: 18,000 KRW
- Children (ages 6 to 12): 12,000 KRW
Bus Interval: Approximately every 115 to 130 minutes
From Incheon Airport to Seoul
Departures from the airport are as follows:
From Terminal 2:
- 23:30
- 00:20
- 01:20
- 03:25
- 04:20
From Terminal 1 (approximately 20 minutes after Terminal 2):
- 23:50
- 00:40
- 01:40
- 03:45
- 04:40
After leaving the airport, the bus stops in this order:
- Mapo Station (Seoul Garden Hotel)
- Seoul Station
- Euljiro 1(il)-ga Station
- Dongdaemun Design Plaza (DDP)
Travel time to central Seoul is typically 60 to 90 minutes, depending on traffic and your stop.
First and last departures from the airport:
- Terminal 2: first bus 23:30, last bus 04:20
- Terminal 1: first bus 23:50, last bus 04:40
From Seoul to Incheon Airport
Use this direction if you have an early morning flight.
The bus begins in central Seoul and travels toward the airport in this order:
- Dongdaemun Design Plaza (DDP)
- Euljiro 1(il)-ga Station
- Seoul Station
- Mapo Station
- Incheon Airport Terminal 1
- Incheon Airport Terminal 2
Departure examples from Dongdaemun Design Plaza:
- 23:00
- 01:05
- 01:55
- 02:55
First bus from central Seoul: 23:00 Last bus: 02:55
Arrival at the airport depends on traffic, but total travel time is generally 70 to 100 minutes overnight.
When traveling to the airport for an early flight, allow extra time for traffic.
Staying connected in Korea is a lot easier with a SIM card or eSim
👉 Grab your SKT Unlimited Local Data & Voice Calls Sim Airport Pick up HERE
OR
Grab your Korea eSIM with SKT Unlimited LTE data + Voice
Incheon Airport to Gangnam & Jamsil After Midnight
The N6703 night bus connects Incheon International Airport with the Gangnam and Jamsil areas.
It serves major stops in eastern and southern Seoul, including Jamsil and the Gangnam business district.
Fare:
- Adults: 18,000 KRW
- Children (ages 6 to 12): 12,000 KRW
Bus Interval: Approximately every 40 to 120 minutes, depending on the time of night.
From Incheon Airport to Gangnam
Departure times from the airport:
Terminal 2
- First bus: 23:20
- Last bus: 04:30
Terminal 1
- First bus: 23:40
- Last bus: 04:50
After leaving the airport, the bus stops in the following order:
- Banpo Sports Complex
- Grand Intercontinental Seoul Parnas
- Jamsil Lotte World Hotel
- Dongseoul Bus Terminal and Gangbyeon Station
- Gwangnaru Station
Total travel time is typically between 60 and 100 minutes, depending on traffic and your stop.
From Gangnam to Incheon Airport
The first departure from Gwangnaru Station is 22:20. The last departure is 03:15.
The bus travels toward the airport in this order:
- Gwangnaru Station
- Dongseoul Bus Terminal and Gangbyeon Station
- Jamsil Lotte World Hotel
- Grand Intercontinental Seoul Parnas
- Banpo Sports Complex
- Incheon Airport Terminal 1
- Incheon Airport Terminal 2
Travel time to the airport is typically 70 to 100 minutes.
How to Buy Tickets and Where to Board
You can purchase tickets for both the N6701 and N6703 night buses at the airport or online.
Option 1: Airport Ticket Office
Terminal 1
- Go to the arrivals level on the first floor.
- The ticket office is located inside near Gate 4.
- After purchasing your ticket, proceed to bus stops 3B or 4A on Level 1 to board.
- Self-service kiosks are also available both inside and outside near the bus area.
Terminal 2
- Follow signs for the Transportation Center.
- Go down to B1 (Transit Center level).
- Ticket offices are located on both sides of the bus waiting room.
- Night buses depart from the Seoul Bus area, typically bus stops 18 and 19.
- There is a central indoor bus waiting area at Terminal 2, which makes late-night boarding more comfortable.
Option 2: Airport Kiosk Machine
Self-service machines allow you to select your route and pay by card. These are located near the ticket offices in both terminals.
Option 3: Online Booking
Tickets can also be purchased through the K Airport Limousine website. After booking, you will receive a confirmation email with a digital ticket or QR code.
If you prefer having everything set before landing, online booking can provide peace of mind.
Otherwise, buying at the airport is straightforward and usually sufficient since these buses are not as crowded as daytime limousine routes.
For the most up-to-date schedule and online ticket purchases, use the official KAL Airport Limousine website.
How to Buy Tickets for the Airport Limousine Bus (Seoul → Incheon)
You can purchase tickets online through the official K Airport Limousine website and scan the QR code when boarding. For early morning flights, booking online in advance is the simplest option.
You can also pay directly on the bus using cash or a T-money card.
If you plan to use T-money, make sure you have enough balance on the card to cover the full fare.
If paying cash, it’s best to have small bills ready for the driver.
Night Bus vs Taxi: Which Is Better After Midnight?
When the subway and AREX stop running, most travelers immediately think: taxi.
Here is the real comparison for late-night and early-morning trips.
Cost
- Night Bus: 18,000 KRW one way
- Taxi: Typically 80,000 to 120,000 KRW one way at night (depending on traffic, distance, and late-night surcharge)
For budget travelers, couples sharing the bus cost still comes out cheaper than a taxi for one person.
Convenience
Taxi pros:
- Direct point A to point B
- No waiting for the schedule
- Good if you are exhausted or have heavy luggage
Night bus pros:
- Reliable scheduled service
- Comfortable seats
- Cheaper
- Works both directions
If you have heavy suitcases or are jet-lagged, a taxi feels easier, but your wallet definitely feels it later.
For most solo travelers and budget groups, the night bus strikes a better balance between comfort and cost.
Before taking a taxi, it’s worth reviewing common tourist scams in Korea so you know what to watch for.
What to Do if You Miss the Last Night Bus
If your flight lands very late or is delayed and you miss the final departure, do not panic. You still have a few reasonable options.
Wait for Early Morning Trains or Buses
AREX and the Seoul subway system resume service around 5:00 to 5:30 am. If you can wait a few hours, this is often the cheapest solution.
Seating is available in the airport, but it can be uncomfortable overnight.
Relax at Spa On Air at Terminal 1
If you are arriving at Terminal 1, there is a 24-hour spa called Spa On Air located on the basement level.
You can:
- Shower
- Soak in the baths
- Rest for a few hours
This can be much more comfortable than sitting in a chair until morning, especially after a long international flight.
When morning transportation begins running again, you can take the first AREX train, subway, or airport bus into Seoul.
I’ve used Spa on Air myself after a long-haul flight, and honestly, it’s one of the best ways to reset before heading into Seoul.
After a long-haul flight, I almost always stop at Spa on Air for a shower and soak before diving into Seoul.
That reset makes navigating transportation and the city feel far less overwhelming.
Stay at a Capsule Hotel Inside the Airport
If you would rather sleep for a few hours instead of waiting in the terminal, Capsule Hotel Darakhyu operates inside Incheon International Airport in both Terminal 1 and Terminal 2.
It offers small private sleeping pods that can be booked for short stays, which is helpful if you have an early morning flight or simply need real rest before heading into Seoul.
Rooms can be booked for:
- Short day-use blocks of about three hours
- Overnight stays of up to twelve hours
There are simple single capsules, as well as rooms that include a private shower.
Terminal locations:
- Terminal 1: Transportation Center, near the airport railroad area
- Terminal 2: Transportation Center, B1 level
Book a Nearby Airport Hotel
If you prefer a good night’s sleep with more space, airport hotels near Incheon are available at various price points.
Take a Taxi
If you need to reach Seoul immediately and cannot wait, a taxi is always available. Expect to pay significantly more than the night bus.
F. A. Q.
Yes. The N6701 and N6703 night buses operate between Incheon International Airport and Seoul when subways and the AREX train are not running. These buses run overnight between the airport and Central Seoul and the Gangnam area.
Seoul subway lines and the AREX airport train stop operating around midnight. Service typically resumes between 5:00 and 5:30 am. If you arrive or need to depart during those hours, you will need to use a night bus or taxi.
Late-night taxi fares from Incheon Airport to central Seoul typically range from 80,000 to 120,000 KRW, depending on distance and traffic. Night surcharges may apply. By comparison, the night bus costs 18,000 KRW per person.
Yes. Incheon International Airport remains open 24 hours. You can wait inside the terminal until early morning trains begin operating. At Terminal 1, Spa On Air is open 24 hours and offers showers, baths, and short rest options for a more comfortable wait.
Yes. The N6701 and N6703 buses are coach-style airport limousine buses with comfortable seats and luggage storage. Travel time is generally between 60 and 100 minutes, depending on traffic and your stop.
Final Thoughts
Getting between Incheon Airport and Seoul after midnight is easier than many travelers expect.
While trains stop running overnight, the N6701 and N6703 night buses provide a reliable and affordable option for late arrivals and early-morning departures.
For most solo travelers and budget-conscious visitors, the night bus offers a strong balance between cost and convenience.
A taxi may be faster and more direct, but it comes at a significantly higher price
Late-night airport logistics don’t have to be stressful. Now you’ve got a plan.
Still Planning Your Trip to Seoul?
Now that you know how to get into the city after midnight, here are a few guides to help you plan what comes next: