$13 Cheap Flights from Jeju (CJU) to Cheongju (CJJ)

View $13 flight on Wed, May 14, 2025Opens in a new window

Popular airlines from Jeju Intl. Airport (CJU) to Cheongju (CJJ-Cheongju Intl.)

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Cheap Flights from Jeju to Cheongju (CJU-CJJ)

Prices were available within the past 7 days and start at $13 for one-way flights and $21 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aero K Airlines
Fri, May 9 - Mon, May 12
CJU
Jeju City
CJJ
Cheongju
$21 Roundtrip, found 2 days ago
$21
Roundtrip
found 2 days ago
Select Aero K Airlines flight, departing Fri, May 9 from Jeju City to Cheongju, returning Mon, May 12, priced at $21 found 2 days ago
Aero K Airlines
Wed, May 14 - Wed, May 21
CJU
Jeju City
CJJ
Cheongju
$25 Roundtrip, found 7 hours ago
$25
Roundtrip
found 7 hours ago
Select Aero K Airlines flight, departing Wed, May 14 from Jeju City to Cheongju, returning Wed, May 21, priced at $25 found 7 hours ago
Aero K Airlines
Thu, May 22 - Mon, May 26
CJU
Jeju City
CJJ
Cheongju
$28 Roundtrip, found 2 days ago
$28
Roundtrip
found 2 days ago
Select Aero K Airlines flight, departing Thu, May 22 from Jeju City to Cheongju, returning Mon, May 26, priced at $28 found 2 days ago
Aero K Airlines
Thu, May 15 - Mon, May 19
CJU
Jeju City
CJJ
Cheongju
$32 Roundtrip, found 1 day ago
$32
Roundtrip
found 1 day ago
Select Aero K Airlines flight, departing Thu, May 15 from Jeju City to Cheongju, returning Mon, May 19, priced at $32 found 1 day ago
Aero K Airlines
Wed, May 14 - Wed, May 21
CJU
Jeju City
CJJ
Cheongju
$35 Roundtrip, found 7 hours ago
$35
Roundtrip
found 7 hours ago
Select Aero K Airlines flight, departing Wed, May 14 from Jeju City to Cheongju, returning Wed, May 21, priced at $35 found 7 hours ago
Aero K Airlines
Thu, May 22 - Mon, May 26
CJU
Jeju City
CJJ
Cheongju
$42 Roundtrip, found 2 days ago
$42
Roundtrip
found 2 days ago
Select Aero K Airlines flight, departing Thu, May 22 from Jeju City to Cheongju, returning Mon, May 26, priced at $42 found 2 days ago
Aero K Airlines
Thu, May 22 - Mon, May 26
CJU
Jeju City
CJJ
Cheongju
$46 Roundtrip, found 2 days ago
$46
Roundtrip
found 2 days ago
Select Aero K Airlines flight, departing Thu, May 22 from Jeju City to Cheongju, returning Mon, May 26, priced at $46 found 2 days ago
Aero K Airlines
Thu, May 15 - Mon, May 19
CJU
Jeju City
CJJ
Cheongju
$53 Roundtrip, found 1 day ago
$53
Roundtrip
found 1 day ago
Select Aero K Airlines flight, departing Thu, May 15 from Jeju City to Cheongju, returning Mon, May 19, priced at $53 found 1 day ago
Aero K Airlines
Thu, May 15 - Mon, May 19
CJU
Jeju City
CJJ
Cheongju
$56 Roundtrip, found 1 day ago
$56
Roundtrip
found 1 day ago
Select Aero K Airlines flight, departing Thu, May 15 from Jeju City to Cheongju, returning Mon, May 19, priced at $56 found 1 day ago
Aero K Airlines
Sat, May 10 - Sat, May 17
CJU
Jeju City
CJJ
Cheongju
$60 Roundtrip, found 3 days ago
$60
Roundtrip
found 3 days ago
Select Aero K Airlines flight, departing Sat, May 10 from Jeju City to Cheongju, returning Sat, May 17, priced at $60 found 3 days ago
Flights from Jeju (CJU) to Cheongju (CJJ)
Origin airport
Jeju Intl.
Destination airport
Cheongju Intl.
Airlines serving
Aero K Airlines, Asiana Airlines, Korean Air
Roundtrip price
$21
Distance
228 mi

Jeju to Cheongju Flights

The cheapest times to fly from Jeju to Cheongju

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Jeju to Cheongju are during the month of May. You can find some of the cheapest flights from Jeju to Cheongju with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Jeju to Cheongju

Sunday is one of the best days to book for cheap flights from Jeju to Cheongju: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Jeju to Cheongju

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Jeju to Cheongju in 2025. You can also book with separate airlines for your outbound and return journeys, from $13 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Jeju to Cheongju flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Jeju to Cheongju airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ) cost?
You can land cheap return fares from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ) starting at $63. Snag a seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Aero K flight leaving CJU on May 8 2025 and touching down at CJJ. The price was last updated on April 29 2025 and has not changed since.
What is the cheapest month to fly from CJU to CJJ?
The cheapest flights from CJU to CJJ are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ)?
When flying out of Jeju Intl. Airport (CJU), 7 carriers can take you directly to Cheongju Intl. Airport (CJJ) without a layover, including:

  • Korean Air
  • Jeju Air
  • TWay Air
  • EASTAR JET
  • Aero K Airlines

What is the cheapest airline that flies from CJU to CJJ?
With tickets starting at $73 for a one-way flight from CJU to CJJ, Aero K is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CJU on June 5 2025. Prices were last updated on April 29 2025 and have not changed since.
How many flights per day from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ)?
Every day, an average of 22 nonstop flights operate from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ). Choose the departure time that works for you.
What are the most popular departure times for flights from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ)?
Flights between CJU and CJJ tend to be busiest at 9 AM. If you’re after a more relaxed atmosphere and potentially cheaper tickets, choose a departure that’s outside typical rush times.
What day of the week has the most flights from CJU to CJJ?
Fly on a Sunday if you’re looking for the best selection of flights from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ).
What is the earliest flight from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ)?
Catch the earliest flight at around 7:30AM UTC+9, departing from Jeju Intl. Airport (CJU). You’ll be in the air for around 1h 10m, touching down at Cheongju Intl. Airport (CJJ) at approximately 8:40AM UTC+9.
How long does it take to fly from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ)?
It usually takes 1 hour and 7 minutes to fly the 230 mi from CJU to CJJ.
What airline has the least delays from CJU to CJJ?
With 81% of journeys typically arriving as scheduled, Korean Air has the best on-time performance for nonstop flights from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ). To monitor your flight status and get notified if anything changes, use the Expedia App.
What is the best time to fly from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ)?
Select a flight from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Cheongju from Jeju Intl. Airport (CJU)?
Hop on a direct flight from Jeju Intl. Airport (CJU) to Cheongju and touch down at Cheongju Intl. Airport (CJJ). Another gateway to this destination is Wonju Airport (WJU).
Is it cheaper to buy a plane ticket from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ) last-minute?
Last-minute bookings from CJU to CJJ are typically more expensive. To lock in the best rates, start searching for flights ahead of time. That said, if you can play around with your travel dates, you may land a cheap ticket right before you leave.
Is it cheaper to book a CJU to CJJ flight and hotel package?
Securing a CJU to CJJ flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Jeju Intl. Airport (CJU) to Cheongju Intl. Airport (CJJ)?
It’s usually possible to reschedule or cancel your CJU to CJJ flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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