Cheap Flights from Cheongju to Jeju City from AU$ 24

Flight FAQs

• Which airlines offer the cheapest flights from Cheongju to Jeju City?

  Based on Trip.com data, Aero K Airlines offers Cheapest nonstop one-way flights from AU$ 24 (for example, CJJ–CJU on Fri, Sep 11). For a Cheapest nonstop return flight, Aero K Airlines offers fares from AU$ 48, departing on Wed, Sep 9 and returning on Sat, Sep 12.

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

  At the moment, you can catch a direct flight from Cheongju to Jeju City with the following airlines, including: Jeju Air Korean Air 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 Cheongju (CJJ) to Jeju City (CJU)?

  It takes about 1 hour 11 minutes to fly from Cheongju (CJJ) to Jeju City (CJU).

• When is the best time to book flights from Cheongju 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 Cheongju 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 from Cheongju to Jeju City each week?

  On average, 76 direct flights operate each week between Cheongju and Jeju City. See below the schedules of the main airlines serving this route:
  Korean Air: S/M/T/W/T/F/S – KE5117 (departure at 14:43)

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

  Here are some tips for finding the best flight deals from Cheongju to Jeju City on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Fri, Sep 11, with one-way fares from just AU$ 24.
  · Compare airlines. Aero K Airlines currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. July is generally the busiest month for travel to Jeju City.
  · Get exclusive promo codes on the Trip.com app.

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

  The cheapest month to book a flight from Cheongju to Jeju City is usually September, when demand is lower.

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

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Cheongju to Jeju City on September 8, 2026 with Aero K Airlines, with prices starting at AU$ 34.

• Which airports should you choose for flights from Cheongju to Jeju City?

  Flights to Jeju City can arrive at: Jeju International Airport (CJU). The most common route connects Cheongju International Airport and Jeju International Airport (CJJ–CJU).

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

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

• How can I change or cancel my flight ticket from Cheongju 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 price of a one-way flight from Cheongju to Jeju City?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Cheongju to Jeju City is AU$ 75. Fares vary by travel date, airline and availability.

• What is the average price of a return flight from Cheongju to Jeju City?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Cheongju to Jeju City is AU$ 144. The final price depends on the outbound and return dates, airline and fare conditions.

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

  Enter Cheongju 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 Cheongju to Jeju City route?

  T'Way Air, Aero K Airlines and Jeju Airare the most popular budget airlines flying from Cheongju to Jeju City. Check baggage, seat and payment fees before comparing the final price.