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Decision tool · 2026-09-08

How many days in Korea?

Slide trip length and pace. Get a realistic Seoul-first plan — not a fantasy pin dump.

✍️ KoreaPlus Editorial Team📅 Updated 2026-09-08✅ 2026 fares & rules verified⏱ 6 min read

Rule of thumb

DaysDoSkip
3Seoul cores onlySecond city
5Seoul + one day tripJeju round-trip
7Seoul + Busan or JeonjuThree cities
10+Two regions + bufferEvery “must” list

Trip kits · Best for you · AI planner

FAQ

Is 5 days enough for Seoul and Busan?
Tight. Prefer Seoul + day trip, or fly and accept a rushed Busan.
Should Jeju be a day trip?
No — treat Jeju as overnight minimum.
🇰🇷 한국어 요약 · 며칠이 적당?

✅ Checked 2026-09-08 · Sources: Korea Immigration Service · Official K-ETA (k-eta.go.kr) · Korean diplomatic missions. Entry rules change — the official portal wins over this page.