Flights by month
Kupang to Jeju flights, month by month (2026)
A typical return fare from Kupang to Jeju for each of 11 months, from departures we researched across a year. January is the cheapest, at around Rp14.135.304. Researched figures, not quotes: the partner shows what it costs today.
Flying to Jeju
- Typical journey time
- 27h 45m
- Stops
- 2, usually via CGK, ICN
- Usually flown by
- Garuda Indonesia, Korean Air, Jeju Air
- Carbon, one way
- 600 kg CO₂
Common questions
When is the cheapest month to fly from Kupang to Jeju?
From what we captured across a year of departures, January is the cheapest month to fly Kupang to Jeju, at around Rp14.135.304 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 Kupang to Jeju?
December is the dearest month we captured for Kupang to Jeju, at around Rp22.621.687 return, about Rp8.486.383 more than the cheapest month.
How long is the flight from Kupang to Jeju?
About 27.8 hours with 2 stops, via Jakarta, Seoul, from the itineraries we captured for Kupang to Jeju.
Which airlines fly from Kupang to Jeju?
The fares we captured for Kupang to Jeju were on Garuda Indonesia, Korean Air, Jeju Air, among others.