Cheap Flights from Seoul to Jeju City from AU$ 23

Flight FAQs

• Which airlines offer the cheapest flights from Seoul (SEL) to Jeju City (CJU)?

  Based on Trip.com data, Jeju Air offers one-way fares as low as AU$ 23 on Cheapest nonstop routes (e.g. GMP to CJU on Mon, Aug 31), while Eastar Jet offers Cheapest nonstop round-trips from AU$ 46 departing on Wed, Sep 2 and returning on Fri, Sep 4.

• Which airlines offer direct flights from Seoul to Jeju City?

  At the moment, you can catch a direct flight from Seoul to Jeju City with the following airlines, including: Eastar Jet Jeju Air Korean Air T'Way Air Air Seoul Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is the flights from Seoul (SEL) to Jeju City (CJU)?

  It takes about 1 hour 15 minutes to fly from Seoul (SEL) to Jeju City (CJU).

• When is the best time to book flights from Seoul to Jeju City?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to Jeju City is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Seoul to Jeju City?

  Based on Trip.com data in the past 4 weeks, there is 427 flight per week flying from Seoul to Jeju City. You can check the weekly schedule for popular airlines on this route below: Eastar Jet: S/M/T/W/T/F/S -- ZE221 (15:28) Jeju Air: S/M/T/W/T/F/S -- 7C119 (12:51) Jin Air: S/M/T/W/T/F/S -- LJ515 (19:45)

• How can I find the best deals on flights from Seoul to Jeju City?

  To find best deals on flights from Seoul to Jeju City, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Aug 31, with one-way flights priced at just AU$ 23.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jeju Air.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Jeju City travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Seoul to Jeju City to get the best price?

  The cheapest months to fly from Seoul to Jeju City is September, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Seoul to Jeju City?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Seoul to Jeju City on August 31, 2026 with Air Seoul, with prices starting at AU$ 39.

• Which airports can I fly through when travelling to Jeju City from Seoul?

  You can land at any one of the following hubs in Jeju City, with Gimpo International Airport to Jeju International Airport (GMP-CJU) is by far the most common option on this route: Jeju International Airport (CJU).

• What is the time difference between Seoul and Jeju City?

  The time difference between Jeju City and Seoul is 0m.

• How can I change or cancel my flight ticket from Seoul to Jeju City?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Seoul to Jeju City?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seoul to Jeju City is AU$ 99. Fares vary by travel date, airline and availability.

• What is the average cost of a return flight from Seoul to Jeju City?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Seoul to Jeju City is AU$ 158. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Seoul to Jeju City on Trip.com?

  Enter Seoul and Jeju City, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Seoul to Jeju City route?

  Eastar Jet, Jeju Air and T'Way Airare the most popular budget airlines flying from Seoul to Jeju City. Check baggage, seat and payment fees before comparing the final price.