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

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

Alternative airports near Seoul

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

Select flight to Gimpo Intl. GMP. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $437
GMP
Gimpo Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $437

Frequently asked questions

How much does a flight from Cheongju Intl. Airport (CJJ) to Incheon Intl. Airport (ICN) cost?
Lock in a cheap one-way flight or cheap return flight from Cheongju Intl. Airport (CJJ) to Incheon Intl. Airport (ICN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Cheongju Intl. Airport (CJJ) to Incheon Intl. Airport (ICN)?
is the cheapest month to fly from CJJ to ICN. Traveling during an off-peak travel window is often the key to scoring lower fares.
What is the cheapest airline that flies from Cheongju Intl. Airport (CJJ) to Incheon Intl. Airport (ICN)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest CJJ to ICN flight.
How many flights per day from Cheongju Intl. Airport (CJJ) to Incheon Intl. Airport (ICN)?
You'll have to book a flight with a layover if you're traveling from Cheongju Intl. Airport (CJJ) to Incheon Intl. Airport (ICN). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from CJJ to ICN?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a number of factors, such as 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 Cheongju Intl. Airport (CJJ) to Incheon Intl. Airport (ICN)?
To arrive at Incheon Intl. Airport (ICN) on schedule, book a flight that leaves from Cheongju Intl. Airport (CJJ) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Cheongju Intl. Airport (CJJ) to Incheon Intl. Airport (ICN) last-minute?
Last-minute bookings from CJJ to ICN are usually more expensive. To secure the lowest prices, start searching for flights well ahead of time. That said, if your travel plans are flexible, you may land a cheap ticket just before your departure.
Is it cheaper to book a CJJ to ICN flight and hotel package?
Securing a CJJ to ICN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cheongju Intl. Airport (CJJ) to Incheon Intl. Airport (ICN)?
If you booked your CJJ to ICN flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

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

Book with confidence

Cheongju to Seoul Flights

The cheapest times to fly from Cheongju to Seoul

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

 

The best time to book a flight from Cheongju to Seoul

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

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 Seoul 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 Cheongju to Seoul 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 Seoul 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 Seoul Flights

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*Available to One Key members.