The cheapest times to fly from CJJ to JAX are

  • January 8th to April 1st (except the weeks of January 15th, January 22nd, and February 19th)
  • June 25th to July 8th
  • October 8th to October 21st
  • November 12th to December 23rd (except the week of November 19th)

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 CJJ to JAX is mid November. Prices can be as high as $7871 for Sunday flights during early to mid August, or as low as $1003 for Friday flights around mid November.


When to Fly to Jacksonville

Flying from Cheongju (CJJ) to Jacksonville, FL (JAX) will usually cost between $4363 to $7054 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $1926. Due to high demand the most expensive time to fly is early to mid August, with an average price of $6799. Planning your trip to low-cost times can easily save you $4873 on economy flights and even more on first-class flights. Generally, any price below $4773 can be considered a good price for a round-trip CJJ to JAX flight.

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

CJJ to JAX Flight Prices

Compared to other flights, the CJJ to JAX flight is more expensive than the average and costs slightly more than the average flight leaving from Cheongju-si. The average price per mile (for a direct flight) is $0.4, which is a bit above average.


Flight Prices by Day of the Week

Friday is usually the cheapest day to depart and return on this flight. Sundays 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 $3091 (33%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Friday and returning a week later will cost an average of $4575. Return trip prices are from the JAX to CJJ 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 CJJ to JAX can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 14 hour 20 minutes may not be realistic.


Flight Hacking CJJ to JAX

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from CJJ to JAX — but Champion Traveler does!

Hack #1: Beijing (CJJ > PEK > JAX)

  • Price for both tickets: $1478
  • Average savings: $3296 (69.04%)

See CJJ to HGH flights

Hack #2: Hangzhou (CJJ > HGH > JAX)

  • Price for both tickets: $1569
  • Average savings: $3204 (67.13%)

See CJJ to PEK flights

Hack #3: Shanghai (CJJ > PVG > JAX)

  • Price for both tickets: $1608
  • Average savings: $3165 (66.31%)

See CJJ to PVG flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 5 major airlines flying this route most often: American, Asiana, Delta, Korean Air, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 7422 miles or 11945 kilometers.

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

The real-world flight time for a nonstop CJJ to JAX flight is about 14 hour 20 minutes.

How many flights go between Cheongju and Jacksonville, FL?

It depends on the day of the week and the date, but a typical day might have around 17 available flights from CJJ to JAX.


Airport Location Info


Departing Airport

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

Return Airport

Destination code JAX
Destination airport name Jacksonville International Airport
City Jacksonville, FL
Country the United States
Latitude 30.5
Longitude -81.7


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.