Flights by month
Semarang to Jeju flights, month by month (2026)
A typical return fare from Semarang to Jeju for each of 11 months, from departures we researched across a year. January is the cheapest, at around Rp9.918.779. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Cheapest in Jan 2027, about Rp9.918.779
Dec 2026 costs about Rp5.954.917 more.
Researched fares: Rp8.656.659 to Rp10.490.624 per person over 3 checks, last on 2026-09-04.
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 Oct 2026 to Apr 2027. How we work this out
Flying to Jeju
- Typical journey time
- 20h 10m
- Stops
- 2, usually via CGK, ICN
- Usually flown by
- Garuda Indonesia, Korean Air, Jeju Air, Asiana Airlines
- Carbon, one way
- 488 kg CO₂
Common questions
When is the cheapest month to fly from Semarang to Jeju?
From what we captured across a year of departures, January is the cheapest month to fly Semarang to Jeju, at around Rp9.918.779 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 Semarang to Jeju?
December is the dearest month we captured for Semarang to Jeju, at around Rp15.873.696 return, about Rp5.954.917 more than the cheapest month.
How long is the flight from Semarang to Jeju?
About 20.2 hours with 2 stops, via Jakarta, Seoul, from the itineraries we captured for Semarang to Jeju.
Which airlines fly from Semarang to Jeju?
The fares we captured for Semarang to Jeju were on Garuda Indonesia, Korean Air, Jeju Air, Asiana Airlines, among others.