Flights by month
Jeju to Seoul flights, month by month (2026)
A typical return fare from Jeju to Seoul for each of 7 months, from departures we researched across a year. September is the cheapest, at around Rp2.451.952. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Cheapest in Sep 2026, about Rp7.575.000
Dec 2026 costs about Rp1.300.000 more.
Estimates from Google Flights, captured August 2026, for a one week return from Jakarta. Not a quote. What you pay depends on when you book. Departures from Sep 2026 to Mar 2027. How we work this out
Flying to Seoul
- Typical journey time
- 21h 25m
- Stops
- 1, usually via KIX, SZX, PVG
- Usually flown by
- T'Way Air, Shenzhen, China Eastern
- Carbon, one way
- 179 kg CO₂
Common questions
When is the cheapest month to fly from Jeju to Seoul?
From what we captured across a year of departures, September is the cheapest month to fly Jeju to Seoul, at around Rp2.451.952 return. That is a researched figure from a dated snapshot, not a live quote, so check the price with a partner before you book.
When is the most expensive month to fly from Jeju to Seoul?
December is the dearest month we captured for Jeju to Seoul, at around Rp7.806.536 return, about Rp5.354.584 more than the cheapest month.
How long is the flight from Jeju to Seoul?
About 21.4 hours with 1 stop, via Osaka, Shenzhen, Shanghai, from the itineraries we captured for Jeju to Seoul.
Which airlines fly from Jeju to Seoul?
The fares we captured for Jeju to Seoul were on T'Way Air, Shenzhen, China Eastern, among others.