Cheap Flights from Cheongju (CJJ) to Ulsan (USN)

Popular airlines from Cheongju (CJJ-Cheongju Intl.) to Ulsan (USN)

Frequently asked questions

How much does a flight from Cheongju Intl. Airport (CJJ) to Ulsan Airport (USN) cost?
Grab a cheap one-way flight or cheap return flight from Cheongju Intl. Airport (CJJ) to Ulsan Airport (USN) 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 Ulsan Airport (USN)?
Planning your getaway for can help you save, as it's the cheapest month for flights between CJJ and USN. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Cheongju Intl. Airport (CJJ) to Ulsan Airport (USN)?
To find the cheapest airline that'll fly you from CJJ to USN, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Cheongju Intl. Airport (CJJ) to Ulsan Airport (USN)?
Direct flights from Cheongju Intl. Airport (CJJ) to Ulsan Airport (USN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CJJ to USN?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on various factors, including the time of year and airline.*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 Ulsan Airport (USN)?
To arrive at Ulsan Airport (USN) on time, book a flight that takes off from Cheongju Intl. Airport (CJJ) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Ulsan Airport (USN) last-minute?
Holding off until right before your break to book a ticket from CJJ to USN generally means paying more. While you might find some last-minute deals, there's no guarantee. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book a CJJ to USN flight and hotel package?
You'll typically save money by securing a CJJ to USN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your ideal flights and accommodations, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Cheongju Intl. Airport (CJJ) to Ulsan Airport (USN)?
In most instances, you can cancel or modify your CJJ to USN flight. However, there may be additional charges, 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'd like further details, head to our Customer Service portal.

Travel information

Origin airport
Cheongju Intl.
Destination airport
Ulsan
Distance
129 mi

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Cheongju to Ulsan Flights

The cheapest times to fly from Cheongju to Ulsan

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

 

The best time to book a flight from Cheongju to Ulsan

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

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 Ulsan 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 Ulsan 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 Ulsan 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 Ulsan Flights

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*Available to One Key members.