Ulaanbaatar to Seoul

1 ways to travelfastest 3h 10mfly from €129
Photo: Yohan Cho / Unsplash

How the cheapest fare moved

Sep 11: €129 €129 Sep 4 Sep 11 low €129 · high €206

Departure-day prices · September 2026 Ulaanbaatar → Seoul

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Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.

Return-day prices · September 2026 Seoul → Ulaanbaatar

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Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.

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 €130 and ~19°C daytime.

Flights from Ulaanbaatar to Seoul start around €129 (direct flights available). Range seen recently: €129–160, based on 19 fares found by travellers.

Fly (from €129)
3h 10mduration
€129–160recent fares
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Cheapest cached fares Ulaanbaatar → Seoul; direct flights available (e.g. 7C). · Based on 19 fares found by travellers in the last 48h

Cheapest round trips to Seoul

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

Nov 3 – Nov 22 Jeju Air · Direct · 3h 10m €213 Book
Nov 10 – Nov 24 Jeju Air · Direct · 3h 10m €221 Book
Oct 13 – Nov 17 Jeju Air · Direct · 3h 15m €229 Book
Oct 15 – Oct 25 Jeju Air · Direct · 3h 15m €229 Book
Oct 8 – Oct 27 Jeju Air · Direct · 3h 15m €234 Book
Oct 15 – Oct 22 Jeju Air · Direct · 3h 15m €235 Book
Nov 12 – Nov 17 Jeju Air · Direct · 3h 10m €235 Book

Weather in Seoul

Fri 🌤️ 25° 14° 💧0%
Sat 🌤️ 26° 17° 💧0%
Sun ☁️ 24° 20° 💧24%
Mon ☁️ 26° 18° 💧0%
Tue 🌤️ 28° 17° 💧6%
Wed ☁️ 29° 18° 💧0%
Thu ☁️ 29° 19° 💧3%

In Sep, Seoul typically sees ~26°C daytime highs and 11 rainy days.

Where to stay in Seoul

3★+ hotels from €207/night (35 hotels sampled, ~3 weeks out).

Ocloud Hotel Gangnam hotel · Seoul
from €207/night★ 4
Shilla Stay Seodaemun Seoul Station hotel · Seoul
from €244/night★ 4
ENA Suite Hotel Namdaemun hotel · Seoul
from €249/night★ 4

Good to know

Time difference+1h
Time in the air3h 10m

Things to do in Seoul

Top-rated tours and tickets from €64 — 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 2026-09-11. Some links earn Stayonomy a commission at no cost to you.