$10 Cheap Flights from Cheongju (CJJ) to Jeju (CJU)

View $10 flight on Mon, Sep 22, 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 $10 for one-way flights and $19 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aero K Airlines
Mon, Sep 29 - Wed, Oct 1
CJJ
Cheongju
CJU
Jeju City
$19 Roundtrip, found 1 day ago
$19
Roundtrip
found 1 day ago
Select Aero K Airlines flight, departing Mon, Sep 29 from Cheongju to Jeju City, returning Wed, Oct 1, priced at $19 found 1 day ago
T'way Air with baggage
Mon, Sep 29 - Wed, Oct 1
CJJ
Cheongju
CJU
Jeju City
$23 Roundtrip, found 1 day ago
$23
Roundtrip
found 1 day ago
Select T'way Air with baggage flight, departing Mon, Sep 29 from Cheongju to Jeju City, returning Wed, Oct 1, priced at $23 found 1 day ago
Aero K Airlines
Mon, Sep 22 - Thu, Sep 25
CJJ
Cheongju
CJU
Jeju City
$25 Roundtrip, found 5 days ago
$25
Roundtrip
found 5 days ago
Select Aero K Airlines flight, departing Mon, Sep 22 from Cheongju to Jeju City, returning Thu, Sep 25, priced at $25 found 5 days ago
T'way Air with baggage
Mon, Sep 29 - Wed, Oct 1
CJJ
Cheongju
CJU
Jeju City
$28 Roundtrip, found 1 day ago
$28
Roundtrip
found 1 day ago
Select T'way Air with baggage flight, departing Mon, Sep 29 from Cheongju to Jeju City, returning Wed, Oct 1, priced at $28 found 1 day ago
Aero K Airlines
Mon, Sep 29 - Wed, Oct 1
CJJ
Cheongju
CJU
Jeju City
$33 Roundtrip, found 1 day ago
$33
Roundtrip
found 1 day ago
Select Aero K Airlines flight, departing Mon, Sep 29 from Cheongju to Jeju City, returning Wed, Oct 1, priced at $33 found 1 day ago
T'way Air with baggage
Mon, Sep 29 - Wed, Oct 1
CJJ
Cheongju
CJU
Jeju City
$34 Roundtrip, found 1 day ago
$34
Roundtrip
found 1 day ago
Select T'way Air with baggage flight, departing Mon, Sep 29 from Cheongju to Jeju City, returning Wed, Oct 1, priced at $34 found 1 day ago
T'way Air with baggage
Mon, Sep 29 - Wed, Oct 1
CJJ
Cheongju
CJU
Jeju City
$36 Roundtrip, found 1 day ago
$36
Roundtrip
found 1 day ago
Select T'way Air with baggage flight, departing Mon, Sep 29 from Cheongju to Jeju City, returning Wed, Oct 1, priced at $36 found 1 day ago
Aero K Airlines
Sun, Sep 28 - Mon, Sep 29
CJJ
Cheongju
CJU
Jeju City
$36 Roundtrip, found 18 hours ago
$36
Roundtrip
found 18 hours ago
Select Aero K Airlines flight, departing Sun, Sep 28 from Cheongju to Jeju City, returning Mon, Sep 29, priced at $36 found 18 hours ago
Korean Air
Sat, Oct 18 - Mon, Oct 20
CJJ
Cheongju
CJU
Jeju City
$212 Roundtrip, found 3 days ago
$212
Roundtrip
found 3 days ago
Select Korean Air flight, departing Sat, Oct 18 from Cheongju to Jeju City, returning Mon, Oct 20, priced at $212 found 3 days ago
Asiana Airlines
Sat, Oct 18 - Mon, Oct 20
CJJ
Cheongju
CJU
Jeju City
$224 Roundtrip, found 3 days ago
$224
Roundtrip
found 3 days ago
Select Asiana Airlines flight, departing Sat, Oct 18 from Cheongju to Jeju City, returning Mon, Oct 20, priced at $224 found 3 days ago

Frequently asked questions

How much does a flight from Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU) cost?
Get a cheap one-way flight from $10 or cheap return flight from $19 from Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU)?
September is the cheapest month to fly from CJJ to CJU. Traveling outside of peak seasons is often the key to scoring lower fares.
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 Cheongju Intl. Airport (CJJ) to Jeju Intl. Airport (CJU)?
While prices can vary depending on when you travel, low-cost airlines like EASTAR JET and T'Way Air are typically the cheapest options for flights between Cheongju Intl. Airport (CJJ) and Jeju Intl. Airport (CJU). Use Expedia's filter tool to compare carriers and find the one that offers the lowest fare for your CJJ to CJU flight.
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.

Travel information

Travel information

Origin airport
Cheongju Intl.
Destination airport
Jeju Intl.
Airlines serving
Aero K Airlines, Asiana Airlines, Korean Air, T'way Air with baggage
Roundtrip price
$18
Distance
228 mi
Average flight time
1 hour 8 mins

Book with confidence

Book with confidence

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 September. 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 $10 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.

 

Cheongju to Jeju Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.