The cheapest times to fly from CJU to HKG are

  • March 5th to March 18th
  • May 14th to July 1st (except the week of May 21st)
  • August 6th to December 9th

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 HKG is mid October. Prices can be as high as $916 for Friday flights during mid January, or as low as $135 for Sunday flights around mid October.


When to Fly to Hong Kong

Flying from Jeju (CJU) to Hong Kong (HKG) will usually cost between $148 to $608 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 $234. Due to high demand the most expensive time to fly is mid January, with an average price of $522. Planning your trip to low-cost times can easily save you $287 on economy flights and even more on first-class flights. Generally, any price below $386 can be considered a good price for a round-trip CJU to HKG flight.

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

CJU to HKG Flight Prices

Compared to other flights, the CJU to HKG 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 $0.22, which is below average.


Flight Prices by Day of the Week

Sunday is usually the cheapest day to fly to HKG, and Thursday the cheapest day to fly back into CJU. 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 $256 (50%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Sunday and returning a week later will cost an average of $224. Return trip prices are from the HKG 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 HKG can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 56 minutes may be realistic.


Flight Hacking CJU to HKG

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 CJU to HKG — but Champion Traveler does!

Hack #1: Busan (CJU > PUS > HKG)

  • Price for both tickets: $377
  • Average savings: $10 (2.46%)

See CJU to flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 19 major airlines flying this route most often: Air Busan, Air China, Air India, Air Seoul, Asiana, Cathay Dragon, Cathay Pacific, China Eastern, China Southern, EASTAR JET, EVA Air, Hong Kong Airlines, Hong Kong Express, JAL, Jeju Air, Juneyao Airlines, Korean Air, Spring, T’Way Air, and potentially more during busy seasons.

How far away is it from Hong Kong International Airport to Jeju International Airport?

The distance between the two airports is roughly 1088 miles or 1751 kilometers.

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

The real-world flight time for a nonstop CJU to HKG flight is about 2 hour 56 minutes.

How many flights go between Jeju and Hong Kong?

It depends on the day of the week and the date, but a typical day might have around 86 available flights from CJU to HKG.


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 HKG
Destination airport name Hong Kong International Airport
City Hong Kong
Country Hong Kong
Latitude 22.3
Longitude 113.9


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.