How the cheapest fare moved
Oct 25: €151 €151
Oct 19
Oct 25
low €151 · high €194
Departure-day prices · October 2019 Ulaanbaatar → Jeju
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Return-day prices · October 2019 Jeju → Ulaanbaatar
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Best time to visit Jeju — climate Jan: ~9°C daytime, 14 rainy days
9°
Jan Feb: ~7°C daytime, 15 rainy days
7°
Feb Mar: ~13°C daytime, 13 rainy days
13°
Mar Apr: ~16°C daytime, 7 rainy days
16°
Apr May: ~19°C daytime, 8 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, 18 rainy days
28°
Sep Oct: ~23°C daytime, 17 rainy days
23°
Oct Nov: ~16°C daytime, 9 rainy days
16°
Nov Dec: ~13°C daytime, 10 rainy days
13°
Dec Best value: Nov — fares from €157 and ~16°C daytime.
Flights from Ulaanbaatar to Jeju start around €143 (typically 1 stop). Range seen recently: €143–270, based on 8 fares found by travellers.
Fly (from €143)
4h 20m duration
€143–270 recent fares
Book
Cheapest cached fares Ulaanbaatar → Jeju; typically 1 stop (e.g. 7C). · Based on 8 fares found by travellers in the last 48h
Cheapest round trips to Jeju Fares found by travellers in the last 48 hours — refreshed daily.
Nov 19 – Nov 25
Jeju Air · 1 stop · 4h 25m
€382
Book
Dec 9 – Dec 11
MIAT Mongolian Airlines · 1 stop · 4h 35m
€420
Book
Oct 27 – Nov 1
Spring Airlines · 1 stop · 5h 30m
€497
Book
Nov 2 – Nov 6
MIAT Mongolian Airlines · 1 stop · 4h 35m
€508
Book
Oct 26 – Oct 29
Spring Airlines · 1 stop · 5h 15m
€524
Book
Oct 31 – Nov 4
MIAT Mongolian Airlines · 1 stop · 4h 35m
€584
Book
Nov 2 – Nov 5
MIAT Mongolian Airlines · 1 stop · 4h 35m
€624
Book
Weather in Jeju
Mon
🌦️
21°
19°
💧100%
Tue
☁️
19°
13°
💧94%
Wed
🌤️
14°
11°
💧0%
Thu
🌦️
19°
13°
💧45%
Fri
🌧️
19°
18°
💧86%
Sat
☁️
19°
16°
💧6%
Sun
🌦️
24°
16°
💧70%
In Oct, Jeju typically sees ~19°C daytime highs and 9 rainy days.
Where to stay in Jeju 3★+ hotels from €38/night (37 hotels sampled, ~3 weeks out).
Pearl Hotel Jeju
hotel · Jeju
from €38/night ★ 3
Gloucester Hotel Hamdeok
hotel · Jeju
from €42/night ★ 4
Grim Resort
hotel · Jeju
from €45/night ★ 3
Good to know Time difference +1h
Time in the air 4h 25m
Things to do in Jeju Top-rated tours and tickets from €48 — 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 2026-10-25. Some links earn Stayonomy a commission at no cost to you.
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