Cheap flight from Cheongju to Osaka from KRW 45,716

Frequently Asked Questions

• What are the cheapest flights from Cheongju to Osaka (CJJ-OSA)?

  Based on Trip.com data, Aero K Airlines offers one-way fares as low as KRW 45,716 on Cheapest nonstop routes (e.g. CJJ to KIX on Sat, Dec 6), while Aero K Airlines offers Cheapest nonstop round-trips from KRW 127,054 departing on Sat, Dec 6 and returning on Wed, Dec 10.

• Which airlines offer direct flights from Cheongju to Osaka?

  At the moment, you can catch a nonstop flight from Cheongju to Osaka with the following airlines, including: Aero K Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Cheongju (CJJ) to Osaka (OSA) and what is the distance?

  It takes around 1 hour 50 minutes to fly from Cheongju (CJJ) to Osaka (OSA).

• When is the best time to book flights from Cheongju to Osaka?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cheongju to Osaka is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Cheongju to Osaka?

  Based on Trip.com data in the past 4 weeks, there is 21 flight per week flying from Cheongju to Osaka. You can check the weekly schedule for popular airlines on this route below: Aero K Airlines: S/M/T/W/T/F/S -- RF312 (08:18) Aero K Airlines: S/M/T/W/T/F/S -- RF318 (17:21)

• How can I find the best deals on flights from Cheongju to Osaka?

  To find best deals on flights from Cheongju to Osaka, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Dec 6, with one-way flights priced at just KRW 45,716.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Aero K Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Osaka travel is around March.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Cheongju (CJJ) to Osaka (OSA) the cheapest?

  The cheapest months to fly from Cheongju to Osaka is April, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Cheongju to Osaka on?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Cheongju to Osaka on October 27, 2025 with Aero K Airlines, with prices starting at KRW 39,976.

• Which airports can I fly to for Osaka from Cheongju?

  You can land at any one of the following hubs in Osaka, with Cheongju International Airport to Kansai International Airport (CJJ-KIX) is by far the most common option on this route: Osaka International Airport (ITM) Kansai International Airport (KIX) Kobe Airport (UKB).

• Is there any time difference between Cheongju and Osaka?

  The time difference between Osaka and Cheongju is 0h.

• How do I change or cancel my ticket from Cheongju to Osaka?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.