Chiang Mai to Seoul

1 ways to travelfastest 5h 15mfly from €112
Photo: Yohan Cho / Unsplash

How the cheapest fare moved

Jul 30: €123 €123 Jul 24 Jul 30 low €112 · high €159

Departure-day prices · July 2026 Chiang Mai → Seoul

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Return-day prices · July 2026 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: Aug — fares from €112 and ~31°C daytime.

Flights from Chiang Mai to Seoul start around €112 (direct flights available). Range seen recently: €112–174, based on 10 fares found by travellers.

Fly (from €112)
5h 15mduration
€112–174recent fares
Book
Cheapest cached fares Chiang Mai → Seoul; direct flights available (e.g. 7C). · Based on 10 fares found by travellers in the last 48h

Cheapest round trips to Seoul

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

Aug 13 – Aug 17 Thai Vietjet Air · 1 stop · 7h 05m €308 Book
Dec 12 – Dec 19 Air China · 1 stop · 6h 10m €341 Book
Dec 13 – Dec 19 China Eastern · 1 stop · 5h 55m €347 Book
Dec 14 – Dec 19 China Eastern · 2 stops · 6h 25m €349 Book
Dec 12 – Dec 23 China Eastern · 1 stop · 5h 55m €364 Book
Dec 19 – Dec 23 China Eastern · 1 stop · 5h 55m €364 Book
Dec 28 – Jan 3 Air China · 1 stop · 6h 10m €404 Book

Weather in Seoul

Thu ☁️ 31° 23° 💧16%
Fri ☁️ 32° 24° 💧59%
Sat ☁️ 33° 25° 💧43%
Sun 🌦️ 34° 26° 💧4%
Mon ☁️ 35° 25° 💧12%
Tue 🌤️ 38° 26° 💧31%
Wed 🌤️ 38° 30° 💧35%

In Jul, Seoul typically sees ~32°C daytime highs and 14 rainy days.

Where to stay in Seoul

3★+ hotels from €101/night (39 hotels sampled, ~3 weeks out).

Ocloud Hotel Gangnam hotel · Seoul
from €101/night★ 4
Arirang Hill Hotel Dongdaemun hotel · Seoul
from €130/night★ 4
Fraser Place Namdaemun Seoul hotel · Seoul
from €138/night★ 4

Good to know

Time difference+2h
Time in the air5h 55m

Things to do in Seoul

Top-rated tours and tickets from €56 — 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 2026-07-30. Some links earn Stayonomy a commission at no cost to you.