Search cheap flights from Iwakuni to Cheongju in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at €165, and round-trip tickets start at €572.

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

Iwakuni to Cheongju Flight Details

The distance between Iwakuni and Cheongju is about 516.19 km. Based on Trip.com's latest data, travel demand is highest in August. The off-season for travel is October.

Cheapest one-way flight price€165
Cheapest return ticket price€572
Cheapest monthOctober
Peak season for travelAugust
Flight distance516.19 km

When is the cheapest time to book flights from Iwakuni to Cheongju?

The cheapest time to fly from Iwakuni to Cheongju: Jan 11 to Jan 18 — one-way prices start at €165.

Cheapest flights
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  • 714
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  • 2128
  • Jan

    284
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  • 1118
  • 1825
  • Feb

    251
  • 18
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  • Mar

    221
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Iwakuni to Cheongju (IWK-CJJ)?

    Based on Trip.com data, All Nippon Airways offers one-way fares as low as €165 on Cheapest nonstop routes (e.g. IWK to CJJ on Sun, Jan 18), while All Nippon Airways offers Cheapest nonstop round-trips from €572 departing on Thu, Dec 25 and returning on Fri, Jan 2.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Iwakuni to Cheongju 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.
  • To find best deals on flights from Iwakuni to Cheongju, 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 Sun, Jan 18, with one-way flights priced at just €165.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is All Nippon Airways.
    · 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 Cheongju travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Iwakuni to Cheongju is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Iwakuni to Cheongju on December 25, 2025 with All Nippon Airways, with prices starting at €571.
  • The time difference between Cheongju and Iwakuni 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.