Top Airlines Flying from Cheongju to Osaka

Choose from 1 carriers that fly from Cheongju to Osaka, including Aero K Airlines, Enjoy the cheapest tickets on this route with Aero K Airlines.

Explore the cheapest flights from Cheongju to Osaka in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at JPY 9,009, and round-trip direct tickets start at JPY 25,900.

Displayed flight fares from Cheongju to Osaka are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flying from Cheongju to Osaka

The distance between Cheongju and Osaka is approximately 747.31 km. It takes around 1 hour 43 minutes on average to fly from Cheongju to Osaka. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is August.

Cheapest one-way flight priceJPY 9,009
Cheapest round-trip ticket priceJPY 25,900
Off-season for travelAugust
Peak season for travelJanuary
Flight distance747.31 km
Average flight time1 hour 43 minutes
Popular airlineAero K Airlines

When is the cheapest time to fly from Cheongju to Osaka?

The cheapest time for Cheongju to Osaka flights: Dec 28 to Jan 4 — one way flight prices from JPY 9,009.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Cheongju to Osaka, calculated over the upcoming 10 weeks.

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 JPY 9,009 on Cheapest nonstop routes (e.g. CJJ to KIX on Tue, Dec 30), while Aero K Airlines offers Cheapest nonstop round-trips from JPY 25,900 departing on Tue, Dec 30 and returning on Tue, Jan 6.
  • 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.
  • It takes around 1 hour 43 minutes to fly from Cheongju (CJJ) to Osaka (OSA).
  • 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.
  • Based on Trip.com data in the past 4 weeks, there is 28 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 (09:46) Aero K Airlines: S/M/T/W/T/F/S -- RF318 (17:37) Aero K Airlines: S/M/T/W/T/F/S -- RF306 (19:34)
  • 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 Tue, Dec 30, with one-way flights priced at just JPY 9,009.
    · 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 January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Cheongju to Osaka is August, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Cheongju to Osaka on December 18, 2025 with Aero K Airlines, with prices starting at JPY 4,371.
  • 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).
  • The time difference between Osaka and Cheongju is 0h.
  • 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.