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Cheapest cached fares Chiang Mai → Seoul; direct flights available (e.g. 7C). · Based on 7 fares found by travellers in the last 48h
Best value: Sep — fares from €118 and ~26°C daytime.
Flights from Chiang Mai to Seoul start around €118 (direct flights available). Range seen recently: €118–247, based on 7 fares found by travellers.
Fares found by travellers in the last 48 hours — refreshed daily.
In Apr, Seoul typically sees ~18°C daytime highs and 9 rainy days.
3★+ hotels from €92/night (40 hotels sampled, ~3 weeks out).
Top-rated tours and tickets from €63 — book ahead for the popular ones.
Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.
Seoul (서울) is the capital of South Korea. With a population of over 9 million (with over 20 million in the wider metropolitan area), Seoul is by far South Korea's largest city and one of East Asia's financial and cultural centers. A fascinating blend of ancient traditions and cutting-edge digital technology, home to endless street food vendors and vast nightlife districts, an extraordinarily high-pressure educational system and serene Buddhist temples, a dynamic trend-setting youth culture and often crushing conformism, extraordinary architectu…
Guide content from Wikivoyage contributors (CC BY-SA).
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Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-09-01. Some links earn Stayonomy a commission at no cost to you.