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Incheon Airport (ICN) to Seoul

AREX Express is about KRW 9,500 and the all-stop about KRW 4,150 to 4,750; both run to Seoul Station on the same tracks.

  • Two AREX trains use the same line. The Express is about KRW 9,500 and takes about 43 minutes nonstop; the All-Stop is about KRW 4,150 to 4,750 and takes just under an hour.
  • Roughly twice the price for about twenty minutes. Both end at Seoul Station.
  • The All-Stop is an ordinary metro service - use a T-money card and tap through as you would on any Seoul line.
  • The Express has reserved seats and luggage space, which is the real argument for it with heavy bags.
  • Get a T-money card at the airport if you are staying more than a day; it works on every bus, metro and most taxis in Korea.

Two trains, one line

Incheon Airport (ICN) to Seoul
AREX ExpressAREX All-Stop
Fareabout KRW 9,500about KRW 4,150 to 4,750
Time to Seoul Stationabout 43 minjust under 60 min
Stopsnonstopall stations
Seatingreservedordinary metro

The Express saves about twenty minutes for roughly double the money. Its case is not speed alone - it has reserved seats and proper luggage racks, which on a long-haul arrival with two suitcases is worth something the fare comparison does not capture.

The All-Stop is a normal metro train. Tap in with a T-money card, stand or sit as you find space, change at Seoul Station or anywhere else on the line. For a solo traveller with a backpack it is the obvious choice.

T-money

  • Buy one at a convenience store or machine in the terminal.
  • It works on every bus and metro in Korea, plus many taxis and convenience stores.
  • The All-Stop AREX takes it directly; the Express needs its own ticket.
  • Korea is close to cashless and this card removes almost every friction point in getting around.

Airport buses

  • Limousine buses run to most districts of Seoul and drop closer to hotels than the train does.
  • They cost more than the All-Stop and less than a taxi, and they sit in traffic.
  • Worth it if your hotel is far from a station on the AREX or its connections.

Two Seoul airports

Gimpo (GMP) is much closer to the city and handles domestic flights plus some short-haul international. The AREX line connects the two, so an ICN to GMP transfer is straightforward - but allow for it, because they are not the same place.

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Sources (2)

What this guide was checked against. Rules and prices change — follow the official link before you rely on a detail.