Using the AREX route map to get from Incheon Airport into Seoul
For most independent travelers, the AREX route map is mainly a tool to answer three questions:
- Which AREX train should you take from Incheon Airport: the All-Stop Train or the Express Train?
- Where should you get off: usually Hongik Univ (Hongdae) or Seoul Station?
- Which subway line and exit do you need after that to reach your guesthouse or hotel?
You do not need to memorize every station on the AREX route map. Instead, plan a simple chain such as:
AREX → key hub (Hongik Univ or Seoul Station) → subway line number → final station → exit number.
Once you write this down for your neighborhood (for example, “AREX All-Stop → Hongik Univ → Exit 9”), the trip from Incheon becomes much easier to follow, even when you are tired after a long flight.
AREX route overview and key transfer stations
AREX is the airport rail line that links Incheon International Airport with Gimpo Airport and central Seoul. On the route map, it runs roughly west–east between the coast and downtown. For planning, think of AREX in three segments:
- Incheon Airport → Gimpo Airport area
Used when you want to transfer to subway Line 5 or Line 9 at Gimpo, or continue on AREX toward Seoul. - Gimpo Airport → Hongik Univ
Useful if you are heading to Hongdae or connecting to Line 2 or Line 6. - Hongik Univ → Seoul Station
Used when you are going to Myeongdong, Jongno, Gangnam, or other central areas via transfers at Seoul Station.
Key stations on the AREX route map for visitors:
- Incheon Int’l Airport Terminal 1 & Terminal 2 – main starting points for AREX.
- Gimpo Int’l Airport – transfer to Line 5 and Line 9 for Yeouido and parts of western Seoul.
- Digital Media City – transfer to Line 6 if you want to avoid the crowds at Hongik Univ.
- Hongik Univ (Hongdae) – transfer to Line 2 and Line 6; closest AREX stop for Hongdae guesthouses.
- Seoul Station – transfer to Line 1 and Line 4, plus many mainline trains; main hub for Myeongdong, Jongno, and beyond.
Two AREX train types appear on the map:
- All-Stop Train
Stops at every station between Incheon Airport and Seoul Station. You can usually tap a transport card (such as T-money) or buy a regular ticket. This is the train you need if you are getting off at Hongik Univ or any intermediate station. - Express Train
Runs non-stop between Incheon Airport and Seoul Station only. It requires a separate express ticket and is usually faster and more comfortable, but it does not stop at Hongik Univ or other stations.
For most budget travelers staying in Hongdae or nearby guesthouses, the All-Stop Train is the practical choice because it stops at Hongik Univ.
Choosing the best AREX route for your Seoul neighborhood
Use the comparison table below to match your destination area with the right AREX stop, subway line, and transfer pattern.
| Destination area | AREX stop to use | Subway line(s) after AREX | Typical transfer pattern | When this route is a good choice |
|---|---|---|---|---|
| Hongdae (Hongik Univ area) | Hongik Univ on All-Stop Train | Line 2 (green), Line 6 (brown) | Get off at Hongik Univ → walk out via the correct exit for your guesthouse, or transfer inside the station to Line 2/6 | Best if your accommodation is in Hongdae or 1–2 stops away on Line 2 or Line 6 |
| Myeongdong | Seoul Station (Express or All-Stop) | Line 4 (light blue) | Incheon → Seoul Station by AREX → transfer to Line 4 → 1 stop to Myeongdong Station | Best for hotels near Myeongdong Station, Namsan cable car, or main shopping streets |
| Jongno / Insadong / Gwanghwamun | Seoul Station (Express or All-Stop) | Line 1 (dark blue), optional Line 5 (purple) | AREX to Seoul Station → Line 1 to Jonggak / Jongno 3-ga / City Hall → optional transfer to Line 5 for Gwanghwamun | Good for guesthouses near palaces, Insadong alleys, and government or business areas |
| Itaewon | Hongik Univ (All-Stop) or Seoul Station (Express) | Line 6 (brown), sometimes Line 4 | Option 1: AREX All-Stop → Hongik Univ → Line 6 to Itaewon Option 2: AREX Express → Seoul Station → Line 4 to Samgakji → Line 6 to Itaewon |
Choose Hongik Univ if you want fewer transfers; choose Seoul Station if you already used the Express Train |
| Gangnam (Gangnam Station area) | Seoul Station | Line 4 + Line 2, or Line 9 | AREX to Seoul Station → Line 4 to Sadang → Line 2 to Gangnam; or transfer later to Line 9 depending on your exact address | Useful for hotels around Gangnam Station, Sinnonhyeon, or nearby business districts |
| Yeouido | Gimpo Airport or Hongik Univ | Line 5 or Line 9 | Option 1: AREX to Gimpo → Line 5 or 9 to Yeouido Option 2: AREX to Hongik Univ → Line 2 to Dangsan → Line 9 to Yeouido |
Best for stays near financial district, TV studios, or riverside parks |
Exact travel times vary with waiting and walking, so treat any timing as an estimate and keep a buffer, especially during busy hours.
Step-by-step routes from Incheon Airport to popular Seoul areas
Below are practical example routes with line numbers and typical exits. Always confirm the exact exit with your guesthouse or hotel, because the right exit can save a lot of walking with luggage.
Incheon Airport to Hongdae (Hongik Univ area)
Best for guesthouses and budget hotels around Hongdae’s main streets.
- After landing at Incheon Airport Terminal 1 or 2, follow signs for Airport Railroad (AREX).
- Buy a ticket or tap your transport card for the All-Stop Train toward Seoul Station. Make sure you do not board the Express Train.
- Ride the All-Stop Train and get off at Hongik Univ Station.
- Inside the station:
- If your accommodation is in central Hongdae, follow signs to Exit 9 or the exit recommended by your host.
- If you need to continue by subway, follow transfer signs to Line 2 or Line 6.
Travel time estimate: From airport arrival to Hongdae, plan roughly 45–60 minutes including walking, waiting, and the train ride.
Incheon Airport to Myeongdong
- From Incheon Airport, choose your AREX train:
- Express Train – for a direct, usually faster ride to Seoul Station.
- All-Stop Train – for a slightly slower ride but with the convenience of using a transport card.
- Arrive at Seoul Station and follow signs to Subway Line 4 (light blue line).
- Board Line 4 in the direction of Myeongdong / Dongdaemun.
- Get off at Myeongdong Station (1 stop from Seoul Station).
- Use the exit recommended by your hotel. Many travelers use Exit 6 for shopping streets, but some hotels are closer to other exits.
Travel time estimate: Allow about 60–75 minutes from airport to Myeongdong, including transfers.
Incheon Airport to Jongno / Insadong / Gwanghwamun
- Take AREX Express or All-Stop from Incheon Airport to Seoul Station.
- At Seoul Station, transfer to Subway Line 1 (dark blue line).
- Ride Line 1 toward central Seoul and choose your stop:
- City Hall Station – for some hotels near City Hall and Deoksugung.
- Jonggak Station – good for central Jongno and some Insadong guesthouses.
- Jongno 3-ga Station – convenient for budget stays and for changing to other lines.
- For Gwanghwamun, you can either walk from City Hall or Jonggak, or transfer later to Line 5 depending on your hotel’s instructions.
- Use the exact exit number given by your accommodation.
Travel time estimate: Plan roughly 70–80 minutes from airport to Jongno-area stations.
Incheon Airport to Itaewon
You have two main patterns depending on which AREX train you use.
Option A – via Hongik Univ (fewer transfers if you use the All-Stop Train)
- From Incheon Airport, take the AREX All-Stop Train to Hongik Univ.
- Transfer inside the station to Subway Line 6 (brown line).
- Board Line 6 toward Itaewon / Hangangjin.
- Get off at Itaewon Station.
- Use the exit closest to your hotel; many travelers use Exit 1 or 2, but always confirm.
Option B – via Seoul Station (if you used the Express Train)
- From Incheon Airport, take the AREX Express Train to Seoul Station.
- Transfer to Subway Line 4.
- Ride Line 4 to Samgakji Station.
- Transfer at Samgakji to Line 6.
- Take Line 6 toward Itaewon and get off at Itaewon Station.
Travel time estimate: Expect around 75–90 minutes from airport to Itaewon, depending on route and waiting times.
Incheon Airport to Gangnam (Gangnam Station area)
There are several ways to reach Gangnam by combining AREX and the subway. A common pattern is:
- Take AREX Express or All-Stop from Incheon Airport to Seoul Station.
- Transfer to Subway Line 4 at Seoul Station.
- Ride Line 4 toward Sadang Station and get off at Sadang.
- Transfer at Sadang to Subway Line 2 (green line).
- Take Line 2 toward Gangnam Station and get off at Gangnam.
- Use the exit your hotel recommends; exits on both sides of the main road can greatly reduce walking distance.
Some travelers instead transfer to Line 9, which also runs through many parts of Gangnam and can be convenient for business hotels. The best choice depends on your exact address. Travel time estimate: Plan about 80–100 minutes from airport to Gangnam, including two transfers.
Transfers at Hongik Univ Station for Hongdae and Line 2/6
Hongik Univ Station is one of the most useful points on the AREX route map because it combines:
- AREX – from Incheon and Gimpo airports.
- Line 2 – the circular green line around central Seoul.
- Line 6 – the brown line passing through Itaewon and other popular neighborhoods.
How to transfer smoothly at Hongik Univ:
- Follow color codes and numbers – blue for AREX, green for Line 2, brown for Line 6. Signs are in English and Korean.
- Expect several minutes of walking – platforms are connected by corridors and escalators. With luggage, allow extra time.
- Look for elevators – Hongik Univ has elevators, but they may be at one end of the platform. Follow elevator icons if you want to avoid stairs.
- Check your exit before arrival – many Hongdae guesthouses say “5 minutes from Exit 9” or similar. Save this in your phone so you can follow signs directly.
Accessibility notes at Hongik Univ:
- There are escalators and elevators, but some routes still include short stair sections or slopes.
- During busy times, corridors and escalators can be crowded, which slows movement with suitcases.
- If you have mobility issues or very heavy luggage, consider using an airport bus or taxi for the last part of the journey.
Transfers at Seoul Station for Myeongdong, Jongno, and beyond
Seoul Station is a major hub where AREX meets several subway and mainline rail services. It is extremely useful but can feel overwhelming on a first visit. Key connections for airport travelers:
- AREX → Line 4 – for Myeongdong, Dongdaemun, and access to southern lines.
- AREX → Line 1 – for Jongno, City Hall, and many central neighborhoods.
- AREX → mainline trains – for intercity travel if you are continuing beyond Seoul.
How to handle transfers at Seoul Station:
- Follow overhead signs step by step – look for the AREX logo first, then for colored line circles (1 or 4) and arrows.
- Allow time for walking – the distance between AREX platforms and subway lines can be several minutes, especially with luggage.
- Use elevators and escalators – they are available, but sometimes require a short detour. Elevator icons show the step-free routes.
- Keep your card handy – you may pass through additional gates when moving between AREX and the subway.
Accessibility notes at Seoul Station:
- The station has elevators, escalators, and ramps, but some paths are easier than others. If you need step-free access, follow elevator signs even if it takes longer.
- During peak commuter hours, platforms and corridors can be very crowded, which can be challenging with mobility aids or large bags.
- If large hubs feel stressful, consider using an airport bus or taxi from Seoul Station to your final destination, especially late at night.
Combining AREX with airport buses or taxis
Sometimes the smoothest route is not purely by train. A combination of AREX plus bus or taxi can reduce walking and transfers. When to consider mixing AREX with other transport:
- Late-night arrivals – subway services become less frequent late at night, and some lines stop earlier than AREX. If you land late, it may be safer to take a taxi from Hongik Univ or Seoul Station.
- Heavy luggage or mobility issues – if stairs and long corridors are a problem, take AREX to a hub, then switch to an airport limousine bus or taxi for the last part.
- Guesthouse far from a station – if your accommodation is a long walk from the nearest subway exit, a short taxi ride from a nearby hub can save time and energy.
Practical combinations:
- AREX + taxi from Hongik Univ – take the All-Stop Train to Hongik Univ, exit near the taxi stand, and show your address (ideally in Korean) to the driver.
- AREX + taxi from Seoul Station – take Express or All-Stop to Seoul Station, then use the taxi rank outside. This is common for Myeongdong, Jongno, or Namdaemun when you are tired or it is raining.
- AREX + airport or city bus – some buses connect Seoul Station or other hubs to hotel clusters. Check current routes and stops at the airport information desk, as bus routes can change.
Always confirm the latest operating hours and any night surcharges with local information at the airport.
Travel time ranges and peak-hour crowding on AREX routes
Because waiting times, walking speed, and crowds vary, use these as rough planning ranges from Incheon Airport to each area:
- Hongdae (Hongik Univ) – about 45–60 minutes total.
- Myeongdong – about 60–75 minutes total.
- Jongno / Insadong – about 70–80 minutes total.
- Itaewon – about 75–90 minutes total.
- Gangnam – about 80–100 minutes total.
These ranges include walking, waiting, and transfers, not just the train ride. Typical crowding patterns to keep in mind:
- Morning rush – roughly from early morning to mid-morning toward central Seoul. Lines such as Line 2 and Line 9 can be very crowded.
- Evening rush – late afternoon to early evening leaving central Seoul. Trains and platforms are busier, especially on commuter lines.
- Weekends – tourist areas like Hongdae, Myeongdong, and Gangnam can be busy throughout the afternoon and evening even without commuter rush.
If you are carrying large luggage or traveling with children, consider:
- Starting your journey slightly earlier or later than peak times.
- Using the AREX Express Train to reach Seoul Station more comfortably, then making one transfer.
- Taking a taxi for the final short segment from a hub station to your guesthouse.
Accessibility and luggage tips for AREX transfers
AREX and major stations are designed with travelers in mind, but there are still practical challenges. What to expect on the ground:
- Escalators and elevators – available at Incheon Airport, Gimpo Airport, Hongik Univ, and Seoul Station, but you may need to walk along the platform to find them.
- Platform gaps – usually small, but take care with suitcase wheels and mobility aids.
- Long corridors – transfers between lines can involve several minutes of walking, especially at Seoul Station and Hongik Univ.
Practical tips for smoother transfers:
- Pack so you can lift briefly – even with elevators, you may face short stair sections or curbs.
- Use luggage-friendly spaces – on AREX, look for areas near doors or designated luggage zones where bags do not block aisles.
- Avoid the busiest times – traveling outside peak hours makes it easier to board with bags and move at your own pace.
- Ask staff for the easiest route – station staff can point you to elevators or simpler transfer paths.
If step-free access is essential, ask your accommodation whether a direct airport bus or taxi is more suitable for your specific location.
Checklist for planning your AREX route from Incheon Airport
Use this printable-style checklist before you fly so that your route is clear when you land.
- Confirm your accommodation details
- Exact address in English and, if possible, in Korean.
- Nearest subway station name.
- Recommended exit number from that station.
- Any special directions (landmarks, turns, or bus numbers).
- Choose your main AREX stop
- Hongik Univ – for Hongdae, Line 2/6 connections, or Itaewon via Line 6.
- Seoul Station – for Myeongdong, Jongno, Gangnam, and many central areas.
- Gimpo Airport – for Yeouido or Line 5/9 connections.
- Decide between AREX Express and All-Stop
- Express Train – faster and more comfortable to Seoul Station, but does not stop at Hongik Univ.
- All-Stop Train – slightly slower but stops at Hongik Univ and other stations; works with transport cards.
- Write your full route in one line
- Format: AREX → Line X → Line Y → Final station → Exit Z.
- Example for Hongdae: “AREX All-Stop → Hongik Univ → Exit 9.”
- Example for Myeongdong: “AREX (Express or All-Stop) → Seoul Station → Line 4 → Myeongdong Station → Exit 6.”
- Check approximate travel time
- Allow at least 45–60 minutes for Hongdae.
- Allow up to around 100 minutes for Gangnam, including transfers.
- Add extra buffer if you land during rush hour or expect queues at immigration.
- Plan for late-night or backup options
- Check approximate last train times for AREX and your connecting subway line once you land.
- Note where you could switch to a taxi (Hongik Univ, Seoul Station, or another hub).
- Ask your accommodation if there is a nearby late-night bus stop.
- Prepare payment
- Decide whether to use a transport card or single tickets.
- Keep some local currency or a card ready for a possible taxi or bus.
- Save offline information
- Offline map of Seoul with your accommodation pinned.
- Screenshots of your route summary and station exits.
- Accommodation phone number in case you need to ask for help.
Common mistakes when using the AREX route map
Avoid these frequent issues that make airport–city transfers more stressful than necessary.
- Taking the wrong AREX train type – some travelers buy an Express ticket but actually need to get off at Hongik Univ. If your stop is Hongik Univ or any intermediate station, you must use the All-Stop Train.
- Ignoring exit numbers – arriving at the right station but wrong exit can add a long walk with luggage. Always ask your host for the exact exit number.
- Underestimating transfer walking time – the route map makes transfers look instant, but at big stations you may walk several minutes between platforms.
- Arriving with big suitcases at peak hours – lines like Line 2 and Line 9 can be extremely crowded. If possible, adjust your timing or use a taxi for the last part.
- Not saving the address in Korean – taxi drivers and some locals may find it easier to help if you have the address written in Korean characters.
- Assuming trains run all night – late arrivals sometimes expect 24-hour service. If your flight is delayed, check whether you still have time for AREX and the subway, or if you should go straight to a taxi or late-night bus.
FAQ about the AREX route map and Seoul transfers
What should travelers understand first when looking at the AREX route map?
Focus on the endpoints and transfers, not every station. Decide whether you will get off at Hongik Univ or Seoul Station, then note which subway line number and exit number you need after that. A simple written chain like “AREX → Seoul Station → Line 4 → Myeongdong Station → Exit 6” is usually all you need from the map.
Can I use a transport card like T-money on AREX and the Seoul subway?
You can generally tap a transport card to ride the AREX All-Stop Train and then transfer to the Seoul subway without buying separate paper tickets. The Express Train usually requires a specific express ticket, so check signs at the airport before boarding. Using a transport card makes transfers faster and avoids queues at ticket machines after a long flight.
How can I avoid getting confused when transferring at Seoul Station from AREX?
Give yourself enough time and follow signs one step at a time. After leaving the AREX platform, look for the colored circles for Line 1 and Line 4, plus arrows showing direction. Keep your route written down (for example, “AREX → Line 4 toward Myeongdong”) so you can match it with the station maps. If you feel unsure, stop at a wall map or ask station staff.
What are the main mistakes to avoid when planning an AREX route to my guesthouse?
Common mistakes include choosing the Express Train when you actually need the All-Stop for Hongik Univ, not checking the correct exit number for your station, and assuming transfers are instant. To avoid problems, confirm your nearest station and exit with your host, write down the full route with line numbers, and allow extra time for walking and crowds, especially if you arrive during peak hours.
What should I do next after planning my AREX route from Incheon Airport?
Once you have chosen your route, save it clearly on your phone or on paper, including station names, line numbers, and exit numbers. Download an offline map of Seoul with your accommodation pinned, prepare your transport card or ticket money, and keep your accommodation’s contact details handy. When you land, follow airport signs to AREX, double-check the train type (Express vs All-Stop), and then follow your planned transfers calmly, adjusting only if staff or updated signs suggest a better option on the day.



