$49 Find Cheap Flights from Jeju City to Cheongju - Compare and Save

Among airlines operating Jeju City to Cheongju flights:

• Korean Air: offers extra legroom; offers free seat selection
• Asiana Airlines: offers free seat selection
• Eastar Jet: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

7 airlines operate flights between Jeju City and Cheongju. The airlines offering nonstop flights on this route include:

• Korean Air
• Jin Air
• Asiana Airlines
• Jeju Air
• Eastar Jet
• Trinity Airways

Flights from Jeju City to Cheongju usually depart from Jeju City (CJU) and arrive at Cheongju (CJJ).

Here are some options for this route, based on selected ticket types and cabin classes:

• Trinity Airways: a cabin bag and a checked bag in Economy Class
• Jin Air: a cabin bag and a checked bag in Economy Class
• Korean Air: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Jeju City to Cheongju.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $16–$55 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 family is used most often on this route, operated mainly by Jeju Air and Eastar Jet. Other aircraft seen on the route include Boeing 737-900 variants.

Yes. Being flexible with your travel dates can save you up to 71% on the Jeju City to Cheongju route. Tuesday is the cheapest departure day at $29 round-trip on average, while Monday is the most expensive at $100, a difference of $71. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Jeju City to Cheongju route, 16% of flights were delayed in the past 3 months, with delays averaging 1 hour 24 minutes.

Morning is the busiest departure period on Jeju City to Cheongju flights, with 37% of flights leaving in that window. Afternoon departures account for 32%, evening flights for 21%, and night flights for 10%.

These are the earliest and latest flight times available from Jeju City to Cheongju:

• Earliest: departs at 7:20 am and lands at 8:31 am
• Latest: departs at 9:50 pm and lands at 11:01 pm.

The flight takes about 1h 11m.

A nonstop flight from Jeju City to Cheongju takes 1h 11m, covering 228 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

One-way fares from Jeju City to Cheongju are currently lower than usual. Average one-way flight prices are about $67, which is 9% below the typical average for this route.

Korean Air is slightly above the route average for timely arrivals, while Asiana Airlines has a lower on-time arrival rate. On-time arrival rates on Jeju City to Cheongju flights are:

• Korean Air: 90% on time
• Asiana Airlines: 88% on time
• Jeju Air: 85% on time

Overall, flights on this route are on time 84% of the time on average.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Round-trip flights from Jeju City to Cheongju range from $51 to $98, with an average of $64 over the past 12 months. Anything below $51 counts as a good deal.