Top Airlines Flying from Jeju to Cheongju

Choose from 1 carriers that fly from Jeju to Cheongju, including Jeju Air, Enjoy the cheapest tickets on this route with Eastar Jet.

Book direct flights from Jeju to Cheongju: One way flights from KRW 9,778, round trip flights from KRW 26,004. Find flight deals for the next 3 months below.

Displayed flight fares from Jeju to Cheongju are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flying from Jeju to Cheongju

The distance between Jeju and Cheongju is approximately 368.68 km. It takes around 1 hour 11 minutes on average to fly from Jeju to Cheongju. Based on Trip.com's data travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight priceKRW 9,778
Cheapest round-trip ticket priceKRW 26,004
Off-season for travelOctober
Peak season for travelJanuary
Flight distance368.68 km
Average flight time1 hour 11 minutes
Popular airlineJeju Air

When is the cheapest time to fly from Jeju to Cheongju?

The cheapest time for Jeju to Cheongju flights: Dec 21 to Dec 28 — one way flight prices from KRW 9,777.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Jeju to Cheongju, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Jeju to Cheongju (CJU-CJJ)?

    Based on Trip.com data, Eastar Jet offers one-way fares as low as KRW 9,778 on Cheapest nonstop routes (e.g. CJU to CJJ on Thu, Dec 25), while Aero K Airlines offers Cheapest nonstop round-trips from KRW 26,004 departing on Thu, Dec 11 and returning on Tue, Dec 16.
  • At the moment, you can catch a nonstop flight from Jeju to Cheongju with the following airlines, including: Jeju Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 1 hour 11 minutes to fly from Jeju (CJU) to Cheongju (CJJ).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Jeju to Cheongju 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.
  • Based on Trip.com data in the past 4 weeks, there is 79 flight per week flying from Jeju to Cheongju. You can check the weekly schedule for popular airlines on this route below: Jeju Air: S/M/T/W/T/F/S -- 7C228 (17:57)
  • To find best deals on flights from Jeju to Cheongju, 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 Thu, Dec 25, with one-way flights priced at just KRW 9,778.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Eastar Jet.
    · 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 Cheongju travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Jeju to Cheongju is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Jeju to Cheongju on December 11, 2025 with Aero K Airlines, with prices starting at KRW 11,441.
  • You can land at any one of the following hubs in Cheongju, with Jeju International Airport to Cheongju International Airport (CJU-CJJ) is by far the most common option on this route: Cheongju International Airport (CJJ).
  • The time difference between Cheongju and Jeju is 0h.
  • Tickets can only be changed or canceled 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.