Cheap Flights from Seoul (ICN) to Cheongju (CJJ)

Popular airlines from Incheon Intl. Airport (ICN) to Cheongju (CJJ-Cheongju Intl.)

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Cheongju Intl. Airport (CJJ) cost?
Lock in a cheap one-way flight or cheap return flight from Incheon Intl. Airport (ICN) to Cheongju Intl. Airport (CJJ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Cheongju Intl. Airport (CJJ)?
Planning your trip for is a good way to save, as it's the cheapest month for flights between ICN and CJJ. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Cheongju Intl. Airport (CJJ)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ICN to CJJ flight.
How many flights per day from Incheon Intl. Airport (ICN) to Cheongju Intl. Airport (CJJ)?
There aren't any daily nonstop flights from Incheon Intl. Airport (ICN) to Cheongju Intl. Airport (CJJ). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from ICN to CJJ?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Incheon Intl. Airport (ICN) to Cheongju Intl. Airport (CJJ)?
To avoid possible delays on the Incheon Intl. Airport (ICN) to Cheongju Intl. Airport (CJJ) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being 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.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Cheongju Intl. Airport (CJJ) last-minute?
Booking your plane ticket from ICN to CJJ shortly before your journey is usually more expensive. But if there's some wiggle room with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an ICN to CJJ flight and hotel package?
You'll typically save money by booking an ICN to CJJ flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After selecting your ideal accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Cheongju Intl. Airport (CJJ)?
In most cases, you can modify or cancel your ICN to CJJ flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need more details, go to our Customer Service portal.

Travel information

Origin airport
Incheon Intl.
Destination airport
Cheongju Intl.
Distance
77 mi

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Seoul to Cheongju Flights

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

 

The best time to book a flight from Seoul to Cheongju

Sunday is one of the best days to book for cheap flights from Seoul 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 Seoul 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 Seoul to Cheongju in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Seoul 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 Seoul 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.

 

Seoul to Cheongju Flights

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*Available to One Key members.