Flights by month
Seoul to Jeju flights, month by month (2026)
A typical return fare from Seoul to Jeju for each of 7 months, from departures we researched across a year. October is the cheapest, at around Rp6.187.354. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Cheapest in Oct 2026, about Rp6.187.354
Feb 2027 costs about Rp5.630.231 more.
Researched fares: Rp2.283.932 to Rp15.009.956 per person over 46 checks, last on 2026-09-07. · Cheapest direct researched: Jeju Air at Rp2.283.932.
From our own live checks: for each departure we sampled in the month, the cheapest return fare per person the newest check found, averaged. The same figures as the fare index, last checked 2026-09-06. 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 Jeju
- Fastest journey
- 8h 40m · 1 stop · China Eastern + Juneyao Airlines + Korean Air
- Cheapest itinerary
- 17h 15m · 2 stops · Korean Air
- Usually flown by
- Korean Air, China Eastern, Shanghai Airlines, Juneyao Airlines
- Carbon, one way
- 200 kg CO₂
From the 50 fares we researched for a 2027-08-21 departure, checked 2026-09-07. Outbound journey times. Not a quote. How we work this out
Common questions
When is the cheapest month to fly from Seoul to Jeju?
From what we captured across a year of departures, October is the cheapest month to fly Seoul to Jeju, at around Rp6.187.354 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 Seoul to Jeju?
February is the dearest month we captured for Seoul to Jeju, at around Rp11.817.585 return, about Rp5.630.231 more than the cheapest month.
How long is the flight from Seoul to Jeju?
About 8h 40m with 1 stop, from the itineraries we captured for Seoul to Jeju.
Which airlines fly from Seoul to Jeju?
The fares we captured for Seoul to Jeju were on T'Way Air, Korean Air, China Eastern, Air China, among others.