Paying for Korean subways and buses in 2026: Tmoney, Climate Card, WOWPASS or your own card?

You can't tap your own Visa or Mastercard at a Seoul subway gate or bus reader yet.
For almost every visitor, that makes a Tmoney card the base layer.
Buy one on arrival, top it up with won in cash, and it works on subways and buses across Korea.
After that, the only real decisions are whether a Seoul Climate Card pass saves you money and whether WOWPASS is worth carrying for payments.

A transit card being tapped on a subway gate reader.

What changed in 2026, and what didn't

Advice written before mid-2026 is often out of date.
Above all, ignore any advice to buy a 30-day Climate Card.

Dates come from Seoul city announcements and its FAQ, Tmoney's iPhone app release notes and a recent press report, checked October 16, 2026.

Which option fits your trip?

Find your row.
Your choice depends mainly on where you're going, how many paid rides you take and whether you carry won in cash.

Is a Climate Card pass worth it? The break-even

A pass is worth it once the rides you take would add up to more than you paid for it.
At the 1,550 won base subway fare, a 1-day pass needs four rides, and the 5- and 7-day passes about two a day.
If you also have to buy the 3,000 won physical card, each figure goes up by two rides, because the card costs almost two base fares.

"Paid rides" means separate fares.
A bus–subway transfer within 30 minutes of tapping off (an hour from 9 p.m. to 7 a.m.) is billed as one trip by total distance, so count it once.

Pass prices are from Seoul's English Climate Card page, checked October 16, 2026.

Each figure is the price divided by 1,550 won and rounded up to the next whole ride.
For example, a 1-day pass plus the card costs 8,000 won, and 8,000 ÷ 1,550 ≈ 5.2, so it only pays off from your sixth ride.
The 1,550 won adult base fare by transit card is shared across the capital-area subway network and has applied since June 28, 2025. Fares rise with distance, so longer trips reach break-even sooner.

Paying by foreign card at a new machine adds an average fee of about 3.7%.
On the pass price alone, that leaves the 1-, 2- and 3-day counts unchanged and adds one ride to the 5- and 7-day passes.
A 7-day pass, for example, comes to about 20,740 won, so it needs 14 rides (20,740 ÷ 1,550 ≈ 13.4).

Arrival day: what to pay with first

Seoul's Climate Card page says a pass can't be used to board AREX at Incheon International Airport, so arrival day is a Tmoney day.

1. Get some won in cash at the airport. Use an exchange counter or ATM in the arrivals hall. Seoul's foreign-card rollout names only Climate Card passes and single tickets, so plan to top up a plastic Tmoney card with cash.

2. Buy a Tmoney card at an airport convenience store. Expect to pay 3,000–5,000 won for the card. Ask the cashier to load 10,000–20,000 won at the same time.

3. Ride into the city. Tmoney works on the AREX all-stop train, while the AREX express train needs its own ticket bought before boarding.

4. Buy a Climate Card pass the next morning, not that evening. A pass starts on the day it is charged. The city's 1-day example ends with the last train or bus that day. Buying one at 9 p.m. wastes most of it.

A transit card being bought with cash at a convenience store counter.

Tmoney: buying and topping up

Tmoney is a stored-value card.
Each tap takes money from the balance, and you top it up whenever you like.
VISITKOREA says it works on virtually all public transport in Korea and at shops that display its logo.

• Where to buy. Convenience stores across the country and the information centres at Seoul subway stations on Lines 1–8.

• Topping up at a convenience store. Hand over the card and cash and say how much to load. For which chains do what, see our Korean convenience store guide.

• Topping up at a station machine. Put the card on the reader, choose the amount and insert cash. The maximum balance is 500,000 won.

• Why cash. In October 2025 Seoul city noted that visitors still had to buy and top up transit cards with cash, and its 2026 card-payment change names only Climate Card passes and single tickets. WOWPASS's FAQ likewise says the Tmoney balance on its card tops up offline only with won cash.

• Topping up by phone. This is an iPhone option. Tmoney's iPhone app has a "Foreigner" button that skips sign-up and takes top-ups through Apple Pay from Mastercard, American Express, UnionPay or JCB cards. Your card has to be in Apple Pay first. The Tmoney card it creates sits in Apple Wallet, and you ride by holding the iPhone to the reader. Visa cards aren't supported, and support for other phones was still under discussion when the feature launched.

Climate Card passes: what's covered and what isn't

A short-term pass gives unlimited rides on Seoul's subway lines and on Seoul-licensed city and town buses, including night buses, for the days you bought.
The city's end-of-service FAQ says the short-term passes carry on after the 30-day pass ended and can be used only within Seoul.

A subway route map whose lines extend past Seoul's city limits.

The routes it does not cover are the ones visitors tend to use on arrival and day trips:

• Boarding AREX at Incheon International Airport, and the AREX express train

• Airport buses and intercity buses

• The Sinbundang Line

• Subway lines outside Seoul, and buses that aren't Seoul-licensed

Seoul's English Climate Card page lists the AREX section from Gimpo International Airport to Seoul Station as covered.
It also says pass holders can get off at Incheon International Airport's two terminal stations but can't board there, and that Seoul-licensed buses stay covered when you board or get off outside the city.
Because the FAQ describes the passes as Seoul-only, keep some money on your Tmoney card for those rides in case they're charged.

Where to buy:

• Physical cards cost 3,000 won at the new ticket machines in Line 1–8 stations, and at convenience stores near Line 9, Ui-Sinseol Line and Sillim Line stations.

• Paying by foreign card works at the new machines. At stores and older machines, plan on cash.

• Your next pass goes on the same card once the current one expires. VISITKOREA says a loaded card can't be reloaded before its expiry date, and Seoul's page says you can't charge one in advance.

A newer ticket vending machine in a Seoul subway station.

WOWPASS: when the extra card is worth it

WOWPASS is mainly a prepaid payment card for foreigners, and it also works as a transit card.
It's worth getting if you want to exchange cash and pay in shops from a prepaid won balance.
WOWPASS's FAQ says it doesn't charge for currency exchange or payments.
For transit alone, a plain Tmoney card does the same job.

The catch is that the card holds two separate balances:

Top-up rules are from the WOWPASS FAQ and official site, checked October 16, 2026.

• Card price. VISITKOREA lists 5,000 won, while the WOWPASS FAQ lists a 6,000 won first-registration fee that isn't refundable.

• Withdrawing leftover money. Cashing out the WOWPASS balance costs 1,000 won per withdrawal, up to 100,000 won each time.

• One-way transfers. Money can move from the WOWPASS balance to Tmoney, but not back.

• Reissued cards. The Tmoney balance is stored on the card itself, so it doesn't move to a replacement card.

A WOWPASS kiosk with a banknote slot and a card dispenser.

Paying with your own card or phone: what works today

There are two different things here, and many guides mix them up.

Status checked October 16, 2026; the 2027 dates are plans, not launch dates.

An iPhone held to a subway gate reader.

Even if your phone setup works, carry a plastic Tmoney card with a little cash on it as a backup.
A dead battery or a declined top-up at the gate is easier to fix with a card in your pocket.

Staying longer: K-Pass and the Climate Pass

K-Pass and Seoul's Climate Pass, the resident scheme that took over from the 30-day Climate Card, are built for people who live here.
K-Pass refunds part of your monthly fares, and the Climate Pass is registered through the K-Pass website and open only to Seoul residents.
Signing up starts with the number of a K-Pass card from a Korean card issuer, then asks for a resident or foreigner registration number, verification on a phone in your own name and an address check, so short-term visitors can't join.

If you've just moved here, use Tmoney until you have your registration card and a Korean phone number, then get a K-Pass card from a Korean card issuer and register.
Check the K-Pass terms for whether your visa type and city qualify.

Getting your money back before you fly home

You can recover leftover balances, but none of the cards refunds the cost of the card itself.

Checked October 16, 2026 against Tmoney's own refund guide; store practice can vary, so ask at the counter.

The simplest plan is to stop topping up a day or two before you leave.
Use the leftover balance at a convenience store, where Tmoney works as payment too.