The cheapest times to fly from CJU to CJJ are

  • January 29th to March 18th
  • July 30th to October 21st
  • November 12th to December 23rd

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from CJU to CJJ is mid October. Prices can be as high as $256 for Friday flights during early to mid July, or as low as $38 for Tuesday flights around mid October.


When to Fly to Cheongju-si

Flying from Jeju (CJU) to Cheongju (CJJ) will usually cost between $78 to $256 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid October with an average ticket price of $79. Due to high demand the most expensive time to fly is early to mid July, with an average price of $250. Planning your trip to low-cost times can easily save you $171 on economy flights and even more on first-class flights. Generally, any price below $160 can be considered a good price for a round-trip CJU to CJJ flight.

See below for a graph of average weekly prices for the CJU to CJJ route. All prices are for round-trip tickets in USD.

CJU to CJJ Flight Prices

Compared to other flights, the CJU to CJJ flight is much cheaper than the average and costs much less than the average flight leaving from Jeju-si. The average price per mile (for a direct flight) is $0.43, which is a bit above average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $21 (11%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $167. Return trip prices are from the CJJ to CJU flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from CJU to CJJ can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 24 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from CJU to CJJ while comparing.

Destination alternative #1: Gimhae International Airport (PUS) in Busan

  • 133 miles (214 km) away from CJJ
  • Usually 30.72% less expensive than CJJ
  • Nonstop flights available

See CJU to PUS flights

Destination alternative #2: Gimpo International Airport (GMP) in Seoul

  • 70 miles (113 km) away from CJJ
  • Usually 26.65% less expensive than CJJ
  • Nonstop flights available

See CJU to GMP flights

Destination alternative #3: Gwangju Airport (KWJ) in Gwangju

  • 116 miles (187 km) away from CJJ
  • Usually 21.32% less expensive than CJJ
  • Nonstop flights available

See CJU to KWJ flights


Flight Questions Answered

Still have questions about flying from CJU to CJJ? We’ve got answers.

Which airlines fly this route?

You can find 9 major airlines flying this route most often: Air China, Asiana, China Eastern, China Southern, EASTAR JET, Hainan, Jeju Air, Jin Air, Korean Air, and potentially more during busy seasons.

How far away is it from Cheongju International Airport to Jeju International Airport?

The distance between the two airports is roughly 229 miles or 369 kilometers.

How long does it take to fly from CJU to CJJ?

The real-world flight time for a nonstop CJU to CJJ flight is about 1 hour 24 minutes.

How many flights go between Jeju and Cheongju?

It depends on the day of the week and the date, but a typical day might have around 35 available flights from CJU to CJJ.


Airport Location Info


Departing Airport

Origination code CJU
Origination airport name Jeju International Airport
City Jeju
Country South Korea
Latitude 33.5
Longitude 126.5

Return Airport

Destination code CJJ
Destination airport name Cheongju International Airport
City Cheongju
Country South Korea
Latitude 36.7
Longitude 127.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.