Ulaanbaatar to Seoul

1 ways to travelfastest 3h 10mfly from €138
Photo: Yohan Cho / Unsplash

How the cheapest fare moved

Aug 2: €139 €139 Jul 26 Aug 2 low €139 · high €196

Departure-day prices · February 2026 Ulaanbaatar → Seoul

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Return-day prices · February 2026 Seoul → Ulaanbaatar

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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: Oct — fares from €138 and ~19°C daytime.

Flights from Ulaanbaatar to Seoul start around €138 (direct flights available). Range seen recently: €138–181, based on 24 fares found by travellers.

Fly (from €138)
3h 10mduration
€138–181recent fares
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Cheapest cached fares Ulaanbaatar → Seoul; direct flights available (e.g. 7C). · Based on 24 fares found by travellers in the last 48h

Cheapest round trips to Seoul

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

Oct 8 – Oct 18 Jeju Air · Direct · 3h 15m €235 Book
Oct 8 – Oct 22 Jeju Air · Direct · 3h 15m €241 Book
Oct 6 – Oct 20 Jeju Air · Direct · 3h 15m €252 Book
Oct 8 – Oct 15 Jeju Air · Direct · 3h 15m €253 Book
Sep 29 – Oct 6 Jeju Air · Direct · 3h 15m €254 Book
Sep 28 – Oct 18 Jeju Air · Direct · 3h 15m €254 Book

Weather in Seoul

Mon ☁️ 35° 25° 💧49%
Tue 🌦️ 34° 26° 💧69%
Wed ⛈️ 35° 25° 💧65%
Thu 🌦️ 36° 28° 💧27%
Fri ☀️ 38° 28° 💧29%
Sat 🌦️ 35° 27° 💧69%
Sun ⛈️ 35° 25° 💧65%

In Feb, Seoul typically sees ~2°C daytime highs and 2 rainy days.

Where to stay in Seoul

3★+ hotels from €145/night (40 hotels sampled, ~3 weeks out).

ibis Styles Ambassador Seoul Myeong-dong hotel · Seoul
from €145/night★ 4
Shilla Stay Mapo Hongdae hotel · Seoul
from €146/night★ 4
Shilla Stay Seodaemun Seoul Station hotel · Seoul
from €148/night★ 4

Good to know

Time difference+1h
Time in the air3h 15m

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 Ulaanbaatar

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 2026-08-02. Some links earn Stayonomy a commission at no cost to you.