Cheap Flights from Cheongju (CJJ) to Jeju (CJU)

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      Compare Cheongju to Jeju flight deals

      Find the cheapest month or even day of the year to fly to Jeju

      Book the best Jeju fare with no extra fees

      Flight deals from Cheongju to Jeju

      Looking for a cheap last-minute deal or the best round-trip flight from Cheongju to Jeju? Find the lowest prices on one-way and round-trip tickets right here.

      Find the cheapest month to fly from Cheongju to Jeju

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cheongju to Jeju flights are currently cheapest in September.

      Direct flights from Cheongju to Jeju

      Cheongju to Jeju: Alternative routes

      Compare routes from Cheongju to Jeju below. You may find an airport to fly into that's cheaper, faster, or easier than Jeju.

      Cheongju to Jeju: Flight information

      The things to know before you go.
      Cheapest flight found$10
      Cheapest month to flySeptember
      Average flight time1 hr, 10 mins
      Most popular airlineKorean Air
      Average flights per week91

      Finding cheap flights from Cheongju to Jeju: Frequently asked questions

      The best price we found for a round-trip flight from Cheongju to Jeju is $27. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      1 hour and 10 minutes is the average flight time from Cheongju to Jeju.
      Korean Air, Jeju Air and Jin Air fly direct from Cheongju to Jeju.
      There are 95 flights per week flying from Cheongju to Jeju, as of July 2025.
      The cheapest month to fly from Cheongju to Jeju is usually December.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cheongju Airport to Jeju Airport on Wednesday, December 17, 2025.
      Yes – the average flight time is 1 hour and 10 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Jeju but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
      We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Jeju is around 40 days in advance, so don’t leave your flight to the last minute.
      Currently, Jeju Air offers the cheapest flight tickets to Jeju.

      Flying from Cheongju Airport (CJJ) to Jeju International Airport (CJU): what you need to know

      • The average length of a direct flight from Cheongju Airport to Jeju International Airport is 1 hour 5 minutes.

      • Cheongju and Jeju follow the same timezone, UTC+9.

      • You can choose from 245 weekly Cheongju Airport to Jeju International Airport flights. The 06:00 departure with Jeju Air is the earliest flight available. EASTAR JET operates the last service of the day at 21:05.

      • To ensure you get on your CJJ to CJU flight, allow plenty of time to check in and drop off your luggage. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.

      • During popular months such as July, it's a good idea to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during a high season in general.

      • There are direct flights from Cheongju Airport to Jeju International Airport, so getting to Jeju (and then exploring more of South Korea!) is easy. Popular airlines that fly nonstop include:

      • Jeju Air is the most frequently booked airline on this route.

      • With an impressive 85.25% of services arriving as planned, Asiana Airlines is the most punctual carrier operating CJJ to CJU flights.

      • If you want to visit a new city along the way, search for a flight with a stopover. To see your options for tickets from Cheongju Airport to Jeju International Airport, deselect 'Direct flights only.' Kansai International Airport is a well-known stop between CJJ and CJU.

      How to find the cheapest flights from Cheongju Airport (CJJ) to Jeju International Airport (CJU)

      • At the moment, $10 is the lowest price we've seen for a one-way Cheongju Airport to Jeju International Airport flight. The best price for a return ticket is $27. Bear in mind that fares can change due to availability when booking.

      • Book five months before your departure date. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from CJJ to CJU.

      • The cheapest month for flights from Cheongju Airport to Jeju International Airport is April. Use the 'Whole month' tool to find the lowest prices if you have flexible travel dates.

      • Landing cheap flights from CJJ to CJU is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when a new discounted fare appears.

      • Select your preferred arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Cheongju Airport to Jeju International Airport.

      Handy information about Cheongju Airport (CJJ)

      • 73.87% of flights leaving from Cheongju Airport land at their destination on schedule.

      • The journey from the center of Cheongju to Cheongju Airport is roughly 7 miles. Check out Google Maps for the quickest way to get there, whether you plan to drive or take public transport.

      • The journey on public transport takes roughly 1 hour 20 minutes.

      • Need a convenient hotel near CJJ? If you're boarding an early flight from Cheongju Airport to Jeju International Airport, these stays will put you moments from your departure lounge:

      Arriving at Jeju International Airport (CJU)

      Getting from Jeju International Airport (CJU) to central Jeju

      • Jeju International Airport to the center of Jeju is about 2 miles. Journey times vary based on traffic conditions and the time of day, so checking a navigation app for live updates is always a smart move.

      • It'll take around 30 minutes if you're traveling by public transport.

      When to fly to Jeju International Airport (CJU)

      • July is the busiest month for flights from Cheongju Airport to Jeju International Airport. To steer clear of the crowds, head to Jeju in April.

      • The warmest month in Jeju is August, with temperatures ranging between 72ºF and 86ºF. Book your flights from Cheongju Airport to Jeju International Airport in this month if you like this kind of weather.

      • January has average temperatures of between 32ºF and 48ºF. Search for cheap tickets from CJJ to CJU sometime then if you want to travel when it's cooler.

      Explore more of South Korea

      • Seoul is just one of the many places in South Korea waiting to be explored once you've seen Jeju. Around 280 miles away to the north, its top attractions include Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower.

      • If you're eager to discover another major stop in South Korea, head for Busan, about 190 miles north-east of Jeju. Haeundae Beach, Gamcheon Culture Village and Beomeosa Temple are key highlights.

      Prices shown on this page are estimated lowest prices only. Found in the last 45 days.