Chiang Mai to Seoul

1 ways to travelfastest 5h 25mfly from €109
Photo: Yohan Cho / Unsplash

How the cheapest fare moved

Aug 14: €109 €109 Aug 8 Aug 14 low €109 · high €170

Departure-day prices · March 2025 Chiang Mai → Seoul

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Return-day prices · March 2025 Seoul → Chiang Mai

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Best time to visit Seoul — climate

Jan: ~2°C daytime, 4 rainy days JanFeb: ~2°C daytime, 2 rainy days FebMar: ~12°C daytime, 8 rainy days 12° MarApr: ~17°C daytime, 6 rainy days 17° AprMay: ~22°C daytime, 9 rainy days 22° MayJun: ~28°C daytime, 13 rainy days 28° JunJul: ~32°C daytime, 14 rainy days 32° JulAug: ~31°C daytime, 16 rainy days 31° AugSep: ~26°C daytime, 11 rainy days 26° SepOct: ~19°C daytime, 14 rainy days 19° OctNov: ~12°C daytime, 2 rainy days 12° NovDec: ~3°C daytime, 9 rainy days Dec

Best value: Sep — fares from €109 and ~26°C daytime.

Flights from Chiang Mai to Seoul start around €109 (direct flights available). Range seen recently: €109–141, based on 7 fares found by travellers.

Fly (from €109)
5h 25mduration
€109–141recent fares
Book
Cheapest cached fares Chiang Mai → Seoul; direct flights available (e.g. BX). · Based on 7 fares found by travellers in the last 48h

Cheapest round trips to Seoul

Fares found by travellers in the last 48 hours — refreshed daily.

Sep 20 – Sep 25 Jeju Air · Direct · 5h 30m €257 Book
Jan 1 – Jan 4 China Eastern · 2 stops · 6h 35m €452 Book

Weather in Seoul

Sat 🌦️ 27° 23° 💧84%
Sun 🌦️ 27° 23° 💧80%
Mon 🌤️ 31° 22° 💧67%
Tue 🌦️ 30° 24° 💧45%
Wed ☁️ 29° 23° 💧74%
Thu ☁️ 32° 24° 💧67%
Fri ☁️ 32° 24° 💧59%

In Mar, Seoul typically sees ~11°C daytime highs and 10 rainy days.

Where to stay in Seoul

3★+ hotels from €148/night (39 hotels sampled, ~3 weeks out).

Shilla Stay Mapo Hongdae hotel · Seoul
from €148/night★ 4
Shilla Stay Seodaemun Seoul Station hotel · Seoul
from €153/night★ 4
ibis Styles Ambassador Seoul Myeong-dong hotel · Seoul
from €160/night★ 4

Good to know

Time difference+2h
Time in the air5h 30m

Things to do in Seoul

Top-rated tours and tickets from €57 — book ahead for the popular ones.

Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.

About Seoul

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…

Read the full Seoul guide

Guide content from Wikivoyage contributors (CC BY-SA).

Round out the trip

Popular from Chiang Mai

Cheapest destinations travellers searched recently — refreshed daily.

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 2026-08-14. Some links earn Stayonomy a commission at no cost to you.