How the cheapest fare moved
Sep 14: €180 €180
Sep 13
Sep 14
low €159 · high €180
Departure-day prices · March 2028 Ulaanbaatar → Jeju
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Return-day prices · March 2028 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: Nov — fares from €159 and ~16°C daytime.
Flights from Ulaanbaatar to Jeju start around €159 (typically 1 stop). Range seen recently: €159–236, based on 3 fares found by travellers.
Fly (from €159)
4h 25m duration
€159–236 recent fares
Book
Cheapest cached fares Ulaanbaatar → Jeju; typically 1 stop (e.g. 7C). · Based on 3 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 19 – Sep 30
Asiana Airlines · 1 stop · 4h 35m
€384
Book
Nov 10 – Nov 24
Asiana Airlines · 1 stop · 4h 25m
€404
Book
Oct 16 – Oct 25
MIAT Mongolian Airlines · 1 stop · 4h 55m
€411
Book
Sep 21 – Sep 27
T'way Air · 1 stop · 4h 40m
€432
Book
Oct 31 – Nov 14
MIAT Mongolian Airlines · 1 stop · 4h 45m
€441
Book
Nov 1 – Nov 15
Jeju Air · 1 stop · 4h 25m
€468
Book
Dec 30 – Jan 10
Korean Air · 1 stop · 4h 20m
€576
Book
Weather in Jeju
Tue
🌤️
24°
21°
💧51%
Wed
🌦️
26°
19°
💧80%
Thu
🌤️
25°
21°
💧64%
Fri
🌦️
26°
23°
💧98%
Sat
🌦️
25°
24°
💧73%
Sun
🌤️
24°
23°
💧22%
Mon
🌤️
24°
23°
💧33%
Where to stay in Jeju 3★+ hotels from €33/night (31 hotels sampled, ~3 weeks out).
Daedong Hotel
hotel · Jeju
from €33/night ★ 3
Pearl Hotel Jeju
hotel · Jeju
from €41/night ★ 3
Hotel Shalom Jeju
hotel · Jeju
from €50/night ★ 4
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 2026-09-14. Some links earn Stayonomy a commission at no cost to you.
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