Find flight deals from Sendai to Cheongju for the next 3 months. Book one way flights from US$111 or round trip flights from US$265.

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

Flying from Sendai to Cheongju

The distance between Sendai and Cheongju is approximately 1,194.25 km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight priceUS$111
Cheapest round-trip ticket priceUS$265
Off-season for travelOctober
Peak season for travelJuly
Flight distance1,194.25 km

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

The cheapest time for Sendai to Cheongju flights: Dec 7 to Dec 14 — one way flight prices from US$111.

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 Sendai to Cheongju, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Sendai to Cheongju (SDJ-CJJ)?

    Based on Trip.com data, Peach Airlines offers one-way fares as low as US$111 on Cheapest nonstop routes (e.g. SDJ to CJJ on Thu, Dec 11), while Peach Airlines offers Cheapest nonstop round-trips from US$265 departing on Thu, Dec 18 and returning on Mon, Dec 22.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sendai 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 Sendai 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 Thu, Dec 11, with one-way flights priced at just US$111.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Peach 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 Cheongju travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Sendai 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 Sendai to Cheongju on December 25, 2025 with Japan Airlines, with prices starting at US$457.
  • The time difference between Cheongju and Sendai 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.