Travel Card vs Cash in Asia 2026: Where Cards Fail

Card Acceptance Across 10 Asian Markets

"Do they take cards?" is the wrong question. Almost every market has card acceptance in malls and hotels; what differs is the long tail — small restaurants, temples, markets, local buses, and ticket machines that reject foreign-issued cards even when they accept domestic ones.

Two patterns matter more than the country list. First, ticket machines are the most common failure point — station machines, museum kiosks and parking machines often accept domestic cards only. Second, acceptance and network are different things: a card that works fine at a mall may be declined at a small shop simply because the terminal only routes domestic debit.

How Much Cash to Actually Carry

There is no universal number, but the shape of the answer is consistent: enough for one full day of small purchases, topped up as you go, rather than the whole trip's cash on day one.

• Split it: keep part in your day bag and part in the room safe. Losing your only cash and your only card at once is the failure mode worth designing against.
• Avoid ending the trip with a large leftover balance in a currency you won't use again — top up little and often instead.
• Small notes matter more than the total. In Vietnam, Indonesia and Thailand, large notes are hard to break at small vendors early in the day.

Getting Cash Without Losing Money

Airport exchange counters and hotel desks are almost always the worst rates available. ATM withdrawal in the destination currency, using a card with low foreign-transaction fees, is usually the cleaner default.

• Use bank-network ATMs. In Japan, 7-Eleven's Seven Bank ATMs (over 28,000 machines) accept Visa, Plus, Mastercard, Maestro, Cirrus, UnionPay, Amex, JCB, Discover and Diners. Overseas-issued cards are limited to ¥100,000 per withdrawal (¥30,000 for magnetic-stripe transactions); Visa and Mastercard work around the clock, while other brands are unavailable for a few minutes around midnight. Fees vary by card brand and issuer, so check yours before you rely on it.
• Always decline dynamic currency conversion. When an ATM or terminal offers to bill you in your home currency, that conversion is set by the machine's operator, not your bank. Choosing the local currency is nearly always cheaper.
• Carry two cards on different networks. A Visa and a Mastercard from different issuers covers most decline scenarios; keep them in different places.
• Tell your bank where you're going if it still uses travel notifications, and check the per-day withdrawal cap before departure.

For country-level detail on where the rates are actually better, see Japan Money Exchange: Airport vs City and Where to Exchange Money in Seoul.

Transit Cards Do Most of the Work

The most useful "card" in most Asian cities isn't your bank card — it's the local stored-value transit card, which also covers convenience stores and vending machines.

• Seoul: subway base fare is 1,550 won for the first 10 km, plus 100 won per additional 5 km, with free-ish transfers inside 30 minutes (60 minutes after 21:00) for up to five legs — all of which only works if you tap in and out with a card.
• Hong Kong: the Airport Express charges HK$130 to Hong Kong Station, HK$115 to Kowloon and HK$80 to Tsing Yi on a Smart Ticket, with Octopus fares slightly lower; the ride to Hong Kong Station takes about 24 minutes.
• Japan and Taiwan: IC cards cover trains, buses, convenience stores and most vending machines, which removes the single biggest reason travellers used to need coins.

Load these with cash on arrival, and the practical cash requirement for the rest of the trip drops sharply.

What to Pay for Before You Land

The other way to shrink your cash needs is to pay for the big-ticket items before you land — airport transfers, attraction entry and day tours settled online in your own currency, on your own card, with none of the airport-counter markup. That covers the Incheon airport express into Seoul, a Taipei 101 observatory ticket, a Bangkok floating-market day tour, and the eSIM you'll want for maps and payment apps that need data. Current platform prices for each are shown below.