How the cheapest fare moved
Sep 22: €164 €164
Sep 21
Sep 22
low €164 · high €248
Departure-day prices · October 2023 Ulaanbaatar → Jeju
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Return-day prices · October 2023 Jeju → Ulaanbaatar
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Best time to visit Jeju — climate Jan: ~8°C daytime, 14 rainy days
8°
Jan Feb: ~7°C daytime, 15 rainy days
7°
Feb Mar: ~13°C daytime, 12 rainy days
13°
Mar Apr: ~16°C daytime, 8 rainy days
16°
Apr May: ~19°C daytime, 10 rainy days
19°
May Jun: ~23°C daytime, 13 rainy days
23°
Jun Jul: ~29°C daytime, 14 rainy days
29°
Jul Aug: ~29°C daytime, 14 rainy days
29°
Aug Sep: ~28°C daytime, 17 rainy days
28°
Sep Oct: ~23°C daytime, 17 rainy days
23°
Oct Nov: ~16°C daytime, 10 rainy days
16°
Nov Dec: ~13°C daytime, 10 rainy days
13°
Dec Best value: Sep — fares from €248 and ~28°C daytime.
Flights from Ulaanbaatar to Jeju start around €218 (typically 1 stop). Range seen recently: €218–257, based on 6 fares found by travellers.
Fly (from €218)
4h 25m duration
€218–257 recent fares
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Cheapest cached fares Ulaanbaatar → Jeju; typically 1 stop (e.g. 7C). · Based on 6 fares found by travellers in the last 48h
Cheapest round trips to Jeju Fares found by travellers in the last 48 hours — refreshed daily.
Sep 25 – Oct 4
Jeju Air · 1 stop · 4h 40m
€389
Book
Jan 24 – Jan 31
MIAT Mongolian Airlines · 1 stop · 4h 35m
€394
Book
Oct 29 – Nov 3
Asiana Airlines · 1 stop · 4h 25m
€406
Book
Dec 28 – Jan 2
Aero Mongolia · 1 stop · 4h 20m
€412
Book
Nov 22 – Nov 29
Asiana Airlines · 1 stop · 4h 25m
€422
Book
Feb 15 – Feb 17
MIAT Mongolian Airlines · 1 stop · 4h 35m
€438
Book
Feb 15 – Mar 3
MIAT Mongolian Airlines · 1 stop · 4h 35m
€438
Book
Feb 15 – Mar 14
MIAT Mongolian Airlines · 1 stop · 4h 35m
€472
Book
Weather in Jeju
Tue
🌤️
25°
21°
💧8%
Wed
☁️
24°
21°
💧0%
Thu
☁️
25°
20°
💧2%
Fri
☁️
26°
21°
💧37%
Sat
🌧️
24°
22°
💧84%
Sun
⛈️
24°
23°
💧63%
Mon
🌧️
25°
23°
💧44%
In Oct, Jeju typically sees ~19°C daytime highs and 6 rainy days.
Where to stay in Jeju 3★+ hotels from €33/night (28 hotels sampled, ~3 weeks out).
Daedong Hotel
hotel · Jeju
from €33/night ★ 3
Pearl Hotel Jeju
hotel · Jeju
from €44/night ★ 3
Grim Resort
hotel · Jeju
from €49/night ★ 3
Good to know Time difference +1h
Time in the air 4h 20m
Things to do in Jeju Top-rated tours and tickets from €45 — book ahead for the popular ones.
Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.
About Jeju
Jeju Island (제주도,濟州島 and formerly romanized as Cheju) is an island off the southern coast of South Korea in the Korea Strait. Korea's largest island and a popular vacation spot and honeymoon destination for Koreans and Chinese, it is crowded with tourists all-year round. The main town and capital is Jeju City.
Read the full Jeju guide
Guide content from Wikivoyage contributors (CC BY-SA).
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 2026-09-22. Some links earn Stayonomy a commission at no cost to you.
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