Cheap flights from Seoul to Jeju, South Korea (SEL - CJU)

Flying from Seoul to Jeju can be expensive. Our search helps you compare cheap flights, airfare deals, and flight tickets across airlines and agencies so you can book at the best price.

We scan trusted travel agencies and airline booking systems for the route Seoul - Jeju (SEL - CJU). We do not sell tickets or add fees - you choose where to buy.

Airfares vary by date, time, and airport. Use filters to find the best option by departure/arrival time, number of stops, airline or alliance, and booking channel.

If your dates are flexible, check the low-fare calendar to find the cheapest days. Booking round-trip in one order often reduces fees, and prices usually rise as departure approaches.

We also recommend you to look through the prices for return tickets from Jeju to Seoul.

Airfares found by our users in the past 24 hours

The cheapest flight from Seoul to Jeju is C$34 on Arcus-Air Logistic, departing on 02/10/2026 - 13:55 and returning on 02/13/2026 - 01:50.
The price for these dates could change. Use search to get the best price.

Average round-trip airfares from Seoul to Jeju by months

MonthRound-Trip
January 202631.01 - 04.02from C$52
February 202610.02 - 13.02from C$34
March 202602.03 - 04.03from C$36
April 202619.04 - 22.04from C$57
May 202612.05 - 20.05from C$59
June 202614.06 - 16.06from C$64
July 202606.07 - 16.07from C$42
August 202629.08 - 01.09from C$79
September 202608.09 - 10.09from C$46
October 202612.10 - 14.10from C$79
November 202601.11 - 06.11from C$81
December 2026find now

Prices shown are based on searches from the last few days. Ticket prices can change and depend on availability at the time of booking.

Airlines are flying from Seoul to Jeju

Asiana Airlines
Find Flights to Jeju