Plan and Check Your Korea Trip
Interactive tools and a printable checklist to help first-time visitors prepare for Korea — before you fly, and after you land.
Skip everything below and open the Korea Travel Checklist — one printable list that walks through everything in order, with your progress saved as you go.
Check It Yourself
8 interactive tools, one for each of the big questions — pick the one that matches where you are.
What You Need to Prepare
Work through these before you fly — open whichever one applies to you.
Before You Go
Do You Need a Power Adapter for Korea?
Find out instantly if you need a power adapter or voltage converter for Korea, plus practical tips on what to pack and buy.
Money & Payments in Korea
Estimate Korean won for your trip budget, watch for exchange-rate traps like dynamic currency conversion, and see ATM, card, and tipping details.
Do You Need Cash in Korea?
A first-time visitor's guide to cash in Korea: whether you need it, when cards fall short, and how much won is realistically enough to carry.
eSIM vs SIM vs Wi-Fi Egg
Compare eSIM, physical SIM, and Wi-Fi egg rental for Korea, and see which fits your trip length, devices, and whether to buy ahead or at the airport.
Korea Weather by Season
Check Seoul and Busan weather by travel season, seasonal packing tips, and what to prepare before traveling to Korea.
Best Time to Visit Korea
Month-by-month guide to when to visit Korea, with Seoul vs. Busan differences, what to avoid, and picks by travel style, not just spring or fall.
Korean Public Holidays
Planning a Korea trip around Chuseok or Seollal? See confirmed 2026-2027 dates, what shuts down, and why trains and buses matter most.
Korea Travel Checklist
Print or save a practical Korea travel checklist for visa/K-ETA, eSIM, weather, plugs, money, airport arrival, transport, and tax refund basics.
South Korea Visa & Entry Requirements
Find out if you need a visa to enter South Korea, how K-ETA and the e-Arrival Card differ, and where to apply officially before you fly.
Essential Apps for Korea
A category-by-category guide to Korea's most useful apps, with an honest verdict on which ones a foreign visitor can actually sign up for.
Korea Itinerary by Area
Paste your Seoul and Busan wish list and get it grouped by neighbourhood, split into morning, afternoon and evening, with the closing days that decide which day each group goes on.
When You Land
Incheon Airport to Seoul
AREX, limousine bus, or taxi — which fits your arrival time, luggage, group size, and hotel location, and what to do if you land late.
Korea Transit Card Guide
T-money, Climate Card, T-money Travel Card, or WOWPASS — which fits your trip length, how much you'll ride, and whether you're staying inside Seoul.
What This Site Does
KoreaPlugCheck is written by one person living in Seoul, not compiled from a single past trip or a forum thread. It started because friends and family visiting from abroad kept asking the same handful of questions before flying — plug adapter, weather, cash — and answering the same thing repeatedly is why this exists.
Most Korea travel sites answer these questions with an article. This one calculates. Six tools take your specific numbers as input instead of just describing the topic: a plug/voltage checker, a trip budget estimator, an eSIM data calculator, a per-passport visa and K-ETA guide, live Seoul/Busan weather, and a checklist that saves your progress as you go.
Most sites don't say how they check what they publish. This one does:
- A fact this site isn't confident about doesn't get written.
- Anything that changes on a schedule this site doesn't control — fees, fares, policy — gets linked to its official source instead of restated here.
- Substantial content gets a dedicated fact-check pass, done separately from the pass that wrote it, before it's considered done.
- Every claim gets checked specifically for whether it's true for a Korean resident but not a foreign visitor. Korea's own mobile payment apps, for example, need a Korean-issued card and a resident registration number, so a short-term visitor can't actually use them.
This site doesn't try to cover everything — a handful of specific decisions, covered properly, is the goal, not a comprehensive list covered thinly. Some links are affiliate links, disclosed where they appear. Read more about KoreaPlugCheck.