$9 Cheap Flights from Cheongju (CJJ) to Jeju (CJU)

View $9 flight on Wed, Jun 18, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Cheongju to Jeju (CJJ-CJU)

Prices were available within the past 7 days and start at $9 for one-way flights and $24 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aero K Airlines
Mon, Jun 16 - Wed, Jun 18
CJJ
Cheongju
CJU
Jeju City
$24 Roundtrip, found 2 days ago
$24
Roundtrip
found 2 days ago
Select Aero K Airlines flight, departing Mon, Jun 16 from Cheongju to Jeju City, returning Wed, Jun 18, priced at $24 found 2 days ago
Aero K Airlines
Mon, Jun 30 - Wed, Jul 2
CJJ
Cheongju
CJU
Jeju City
$24 Roundtrip, found 9 hours ago
$24
Roundtrip
found 9 hours ago
Select Aero K Airlines flight, departing Mon, Jun 30 from Cheongju to Jeju City, returning Wed, Jul 2, priced at $24 found 9 hours ago
Aero K Airlines
Mon, Jun 30 - Wed, Jul 2
CJJ
Cheongju
CJU
Jeju City
$28 Roundtrip, found 9 hours ago
$28
Roundtrip
found 9 hours ago
Select Aero K Airlines flight, departing Mon, Jun 30 from Cheongju to Jeju City, returning Wed, Jul 2, priced at $28 found 9 hours ago
Aero K Airlines
Wed, Jul 9 - Fri, Jul 11
CJJ
Cheongju
CJU
Jeju City
$28 Roundtrip, found 7 hours ago
$28
Roundtrip
found 7 hours ago
Select Aero K Airlines flight, departing Wed, Jul 9 from Cheongju to Jeju City, returning Fri, Jul 11, priced at $28 found 7 hours ago
Aero K Airlines
Sat, Jun 21 - Tue, Jun 24
CJJ
Cheongju
CJU
Jeju City
$31 Roundtrip, found 13 hours ago
$31
Roundtrip
found 13 hours ago
Select Aero K Airlines flight, departing Sat, Jun 21 from Cheongju to Jeju City, returning Tue, Jun 24, priced at $31 found 13 hours ago
Aero K Airlines
Sat, Jul 5 - Mon, Jul 7
CJJ
Cheongju
CJU
Jeju City
$35 Roundtrip, found 3 days ago
$35
Roundtrip
found 3 days ago
Select Aero K Airlines flight, departing Sat, Jul 5 from Cheongju to Jeju City, returning Mon, Jul 7, priced at $35 found 3 days ago
Aero K Airlines
Thu, Jun 19 - Thu, Jun 26
CJJ
Cheongju
CJU
Jeju City
$35 Roundtrip, found 1 hour ago
$35
Roundtrip
found 1 hour ago
Select Aero K Airlines flight, departing Thu, Jun 19 from Cheongju to Jeju City, returning Thu, Jun 26, priced at $35 found 1 hour ago
Aero K Airlines
Mon, Jun 16 - Wed, Jun 18
CJJ
Cheongju
CJU
Jeju City
$39 Roundtrip, found 2 days ago
$39
Roundtrip
found 2 days ago
Select Aero K Airlines flight, departing Mon, Jun 16 from Cheongju to Jeju City, returning Wed, Jun 18, priced at $39 found 2 days ago
Korean Air
Mon, Jun 16 - Fri, Jun 20
CJJ
Cheongju
CJU
Jeju City
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Korean Air flight, departing Mon, Jun 16 from Cheongju to Jeju City, returning Fri, Jun 20, priced at $217 just found
Asiana Airlines
Wed, Jul 9 - Fri, Jul 11
CJJ
Cheongju
CJU
Jeju City
$228 Roundtrip, found 7 hours ago
$228
Roundtrip
found 7 hours ago
Select Asiana Airlines flight, departing Wed, Jul 9 from Cheongju to Jeju City, returning Fri, Jul 11, priced at $228 found 7 hours ago

Alternative airports near Jeju City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Jeju Intl. CJU. Cheapest and Closest option available. Average driving time to city center is 4 minutes. Flights from $31
CJU
Jeju Intl.
CheapestClosest
Average driving time to city center4 min
Flights from $31
Flights from Cheongju (CJJ) to Jeju (CJU)
Origin airport
Cheongju Intl.
Destination airport
Jeju Intl.
Airlines serving
Aero K Airlines, Asiana Airlines, Korean Air
Roundtrip price
$23
Distance
228 mi
Average flight time
1 hour 8 mins

Cheongju to Jeju Flights

The cheapest times to fly from Cheongju to Jeju

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 Cheongju to Jeju are during the month of June. You can find some of the cheapest flights from Cheongju to Jeju with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cheongju to Jeju

Sunday is one of the best days to book for cheap flights from Cheongju to Jeju: 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 Cheongju to Jeju

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 Cheongju to Jeju in 2025. You can also book with separate airlines for your outbound and return journeys, from $9 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 Cheongju to Jeju 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 Cheongju to Jeju 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 Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU) cost?
Cheap round-trip flights from Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU) start at $21. 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 CJJ on June 18 2025 and touching down at CJU. The price was last updated on June 13 2025 and has not changed since.
What is the cheapest month to fly from CJJ to CJU?
The cheapest flights from CJJ to CJU 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 Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU)?
When taking off from Cheongju Intl. Airport (CJJ), 7 airlines can take you straight to Jeju Intl. Airport (CJU) without any layovers, including:

  • Korean Air
  • Jeju Air
  • TWay Air
  • EASTAR JET
  • Jin Air

What is the cheapest airline that flies from CJJ to CJU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from CJJ to CJU. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU)?
When taking off from Cheongju Intl. Airport (CJJ), you can choose from an average of 22 daily direct flights to Jeju Intl. Airport (CJU).
What are the most popular departure times for flights from Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU)?
More travelers fly between CJJ and CJU at 1 PM than at any other time. Looking to skip the crowds? Try choosing a quieter departure window and you’re likely to save on your fare as well.
What day of the week has the most flights from CJJ to CJU?
If you fly on a Saturday, you’ll get the biggest range of options for flights from Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU).
What is the earliest flight from Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU)?
The first flight of the day taking off from Cheongju Intl. Airport (CJJ) is at around 7:00AM UTC+9. Catch this flight and you’ll reach Jeju Intl. Airport (CJU) at approximately 8:05AM UTC+9. The overall travel time is 1h 5m.
How long does it take to fly from Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU)?
It takes approximately 1 hour and 7 minutes to cover the 230 mi from CJJ to CJU.
What airline has the least delays from CJJ to CJU?
With 93% of journeys usually landing on time, Aero K Airlines has the best on-time performance for direct flights from Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU). To check your flight status and get notified about any changes, simply head to the Expedia App.
What is the best time to fly from Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU)?
To avoid possible delays on the Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**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 Jeju City from Cheongju Intl. Airport (CJJ)?
If you’re traveling on a direct flight from Cheongju Intl. Airport (CJJ) to Jeju City, Jeju Intl. Airport (CJU) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU) last-minute?
Waiting until just before your departure to book your flight from CJJ to CJU often results in higher prices. Although you may find some last-minute discounts, there’s no guarantee. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book a CJJ to CJU flight and hotel package?
Compared with arranging hotels and flights separately, booking a CJJ to CJU flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one convenient place takes the hassle out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU)?
If you booked your CJJ to CJU flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.