AREX Express Train (non-stop)

• Cost ₩11,000 per person
• Time 43 minutes ICN T1 to Seoul Station
• Pros Fastest fixed-time option, no traffic risk · Same train, no transfer · Reserved seat, luggage racks
• Cons Only goes to Seoul Station (downtown). Need to taxi/subway from there. · Limited departures (~30-40 min interval)

Solo / couple staying near Seoul Station, Myeongdong, Jongno. Predictable arrival time.

AREX All-stop Train

• Cost ₩4,750 per person (T-money) / ₩5,000 single-journey card
• Time ~58 minutes ICN T1 to Seoul Station, 11 stops
• Pros Cheapest fixed option · Stops at Hongik University Station (Hongdae stay) + Gimpo Airport + Digital Media City · Uses regular T-money card
• Cons Slower than Express by ~15 min · No luggage rack, stand-room only at peak

Backpacker / Hongdae stay (gets off at Hongik Univ directly), or anyone who values ₩6,000 saved.

Klook private pickup

• Cost From ~₩50,000-90,000 per car (4 pax)
• Time ~60-80 minutes to most Seoul hotels
• Pros Pre-booked English service, driver meets you at arrivals · Door-to-door with luggage handled · Fixed price, no surge or meter surprises · Worth it for 3-4 travelers splitting the cost
• Cons Subject to traffic. Allow buffer. · Most expensive per-person if solo

Families, groups, jet-lagged arrival, late-night / early-morning flights when public transit is closed.

KAL Limousine Bus

• Cost ₩18,000 per person
• Time ~70-90 minutes
• Pros Drops you at major hotels directly (no last-mile) · Comfortable, AC, luggage compartment · Doesn't require app or pre-booking; pay at ticket counter
• Cons Routes are limited to specific hotel zones · Traffic-dependent; rush hour adds 30+ min

Hotel right on the route (check before you fly). Solo travelers with multiple bags.

Kakao T (taxi app)

• Cost ~₩60,000-80,000 metered (~₩100,000+ during surge or to Gangnam)
• Time ~60-80 minutes
• Pros On-demand, no waiting at a counter · Pre-loaded payment via app card · GPS tracks the route; no language needed at destination
• Cons Kakao T requires Korean phone number for some features; app on foreign phone works for hailing only · Surge during late nights + early mornings · Tolls (~₩8,000) added to fare

Solo traveler with a working SIM card. Late-night / early-morning when AREX is closed.

Standard airport bus (6001/6002/6015 etc.)

• Cost ₩10,000-17,000 per person
• Time ~60-100 minutes (route dependent)
• Pros Many routes covering all Seoul districts · Pay at ticket counter or with T-money · Cheaper than KAL Limousine
• Cons Heavy luggage = bus driver loads, you tip ~₩1,000 · Traffic-dependent · Crowded at peak times

Solo / couple, hotel near a stop along one of the routes. Look up your hotel's nearest bus stop before flying.

AREX runs roughly 5:20 AM to 23:40 (varies by direction and terminal). If you land after midnight or want a 4 AM departure, your only options are: Kakao T taxi, airport bus (limited 24h routes), or Klook pickup pre-booked. Don't plan on AREX outside published hours.