How far is Cheongju from Osaka by air?

The great-circle distance between Cheongju International Airport/Cheongju Air Base (K-59/G-513) and Kansai International Airport is approximately 463 mi.

How long is the flight from Cheongju to Osaka?

Based on the distance, the estimated flight time is about 1h 25m. This is an estimate, not a schedule.

Is there a direct connection from Cheongju to Osaka?

Yes, a direct connection between CJJ and KIX has been observed in our route data.

Which airlines have been observed on this route?

In the available route data: Aero K and T'way Air.

How often is there a flight from Cheongju to Osaka?

On average around 1 flights a day, measured over twelve months (October 2025 to September 2026) in the flight archive, with 103 observed flights. Mainly Aero K, T'way Air. That is an observation, not a timetable.

Route

Cheongju → Osaka

CJJ

CheongjuCheongju International Airport/Cheongju Air Base (K-59/G-513)

KIX

OsakaKansai International Airport

03:29 AM03:29 AM

Distance: 463 mi
Estimated flight time: ~1h 25m

Same local time in Cheongju and Osaka.

Observed nonstop

View the reverse route

How often does this route fly?

Frequency

Daily at most

On average around 1 flights a day, observed from October 2025 to September 2026.

1
flights per day: 3
busiest month · Sep: 1
quietest month · Mar: 1 hr 13 min
measured flight time: 5 / 12
months seen

Through the year

Per day, month by month

–Jan2026
–Feb
1Mar
–Apr
1May
2Jun
–Jul
1Aug
3Sep
–Oct2025
–Nov
–Dec

In November 2025 we saw less traffic at Cheongju in general than usual; compare that month with care.

Airlines

Who flies it

Aero Kspring

T'way Airspring

Through the day

Departure times

Local time in Cheongju. Most departures between 08:00 and 11:00.

00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00

Through the week

By weekday

0.2Mon
0.4Tue
0.3Wed
0.3Thu
0.4Fri
0.3Sat
0.3Sun

Fleet

Aircraft observed

Airbus A320A32082%
Boeing 737-800B73830%

All the numbers in a table

Month	Per day	Seen	Airlines
January 2026	Not seen in this month.
February 2026	Not seen in this month.
March 2026	1	2	Aero K1× T'way Air1×
April 2026	Not seen in this month.
May 2026	1	6	Aero K5× T'way Air1×
June 2026	2	22	Aero K16× T'way Air6×
July 2026	Not seen in this month.
August 2026	1	2	Aero K2×
September 2026	3	71	Aero K50× T'way Air21×
October 2025	Not seen in this month.
November 2025	Not seen in this month.
December 2025	Not seen in this month.

Airlines observed on this route

From observed callsign routes on CJJ-KIX - not a booking guarantee.

Aero K

RF · EOK

Hub: CJJ Cheongju

12 departure airportsView airline →

T'way Air

TW · TWB

Hub: ICN Seoul

27 departure airportsView airline →

About this route

International route: Cheongju and Osaka are in different countries.
The 7th longest observed direct route from CJJ, out of 11.
The opposite direction has also been observed as a direct connection.
Direct destinations observed from Cheongju: 11.
Direct destinations observed from Osaka: 47.

The airports on this route

Cheongju International Airport/Cheongju Air Base (K-59/G-513)

Cheongju, South KoreaCJJ / RKTU

Major airport · 11 direct destinations · 2 runways · longest runway 8,999 ft

54 °F · ClearSource: METAR observation via the NOAA Aviation Weather Center

Airport page All direct destinations

Kansai International Airport

Osaka, JapanKIX / RJBB

International hub · 47 direct destinations · 2 runways · longest runway 13,123 ft

66 °F · ClearSource: METAR observation via the NOAA Aviation Weather Center

Airport page All direct destinations

Alternative airports for this journey

Same journey, a different airport nearby - with an observed direct connection.

CJJ UKBKobe AirportKobe is about 14 mi from Osaka.View route →GMP KIXSeoul Gimpo International AirportSeoul is about 70 mi from Cheongju.View route →ICN KIXIncheon International AirportSeoul is about 78 mi from Cheongju.View route →TAE KIXDaegu International AirportDaegu is about 86 mi from Cheongju.View route →

About the route from Cheongju to Osaka

The observed direct connection between Cheongju International Airport/Cheongju Air Base (K-59/G-513) (CJJ) and Kansai International Airport (KIX) covers approximately 463 mi. The estimated flight time is around 1h 25m. Aero K and T'way Air have been observed on this connection in the available route data.

Frequently asked questions about this route

How far is Cheongju from Osaka by air?: The great-circle distance between Cheongju International Airport/Cheongju Air Base (K-59/G-513) and Kansai International Airport is approximately 463 mi.
How long is the flight from Cheongju to Osaka?: Based on the distance, the estimated flight time is about 1h 25m. This is an estimate, not a schedule.
Is there a direct connection from Cheongju to Osaka?: Yes, a direct connection between CJJ and KIX has been observed in our route data.
Which airlines have been observed on this route?: In the available route data: Aero K and T'way Air.
How often is there a flight from Cheongju to Osaka?: On average around 1 flights a day, measured over twelve months (October 2025 to September 2026) in the flight archive, with 103 observed flights. Mainly Aero K, T'way Air. That is an observation, not a timetable.
What is the current time difference between Cheongju and Osaka?: Same local time in Cheongju and Osaka.

Where this data comes from

The route data comes from the flight archive (ADS-B, adsb.lol): which connections actually flew over the last twelve full months and who flew them, combined with our own airport, runway, and airline datasets. It is reference data about observed routes - not a current timetable and no claim about bookability.

The frequency and aircraft on this page come from the flight archive (ADS-B, 12 months, October 2025 to September 2026), summarized per route per month. We do not see every flight, so it is a floor, not a count.

Route data updated on October 11, 2026.