$96 Cheap Flights from Jeju (CJU) to Ulsan (USN)

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Popular airlines from Jeju Intl. Airport (CJU) to Ulsan (USN)

Cheap Flights from Jeju to Ulsan (CJU-USN)

Prices were available within the past 7 days and start at $96 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Jeju (CJU) to Ulsan (USN)
Origin airport
Jeju Intl.
Destination airport
Ulsan
Distance
217 mi
Average flight time
1 hour 9 mins

Jeju to Ulsan Flights

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

 

The best time to book a flight from Jeju to Ulsan

Sunday is one of the best days to book for cheap flights from Jeju 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 Jeju 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 Jeju to Ulsan in 2025. You can also book with separate airlines for your outbound and return journeys, from $96 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 Jeju 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 Jeju 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.

 

Frequently asked questions

How much does a flight from Jeju Intl. Airport (CJU) to Ulsan Airport (USN) cost?
Secure a cheap one-way flight from $96 or cheap return flight from Jeju Intl. Airport (CJU) to Ulsan Airport (USN) 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 Jeju Intl. Airport (CJU) to Ulsan Airport (USN)?
Planning your getaway for is a great way to save, as it's the cheapest month for flights between CJU and USN. You'll typically find the lowest fares during the off-season.
Which airlines fly direct from Jeju Intl. Airport (CJU) to Ulsan Airport (USN)?
You can travel nonstop from Jeju Intl. Airport (CJU) to Ulsan Airport (USN) on a Korean Air flight.
What is the cheapest airline that flies from Jeju Intl. Airport (CJU) to Ulsan Airport (USN)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CJU to USN flight.
How many flights per day from Jeju Intl. Airport (CJU) to Ulsan Airport (USN)?
On average, just 1 nonstop flight departs each day from Jeju Intl. Airport (CJU) to Ulsan Airport (USN). Seeking more options? Use Expedia's filter tool to find flights with layovers and add a new destination to your journey.
What are the most popular departure times for flights from Jeju Intl. Airport (CJU) to Ulsan Airport (USN)?
The 2 PM departures from CJU to USN are the most sought after. They can also be more expensive. If you're looking to save, choose a less crowded time to fly.
What day of the week has the most flights from CJU to USN?
Friday offers the most flights from Jeju Intl. Airport (CJU) to Ulsan Airport (USN). Consider traveling on this day and you'll have the best chance of finding a departure that fits your plans.
What is the earliest flight from Jeju Intl. Airport (CJU) to Ulsan Airport (USN)?
The earliest flight jetting off from Jeju Intl. Airport (CJU) is at around 2:10PM UTC+9. Board this plane and you'll arrive at Ulsan Airport (USN) at approximately 3:15PM UTC+9. The total time in the air is 1h 5m.
How long does it take to fly from Jeju Intl. Airport (CJU) to Ulsan Airport (USN)?
Flights from CJU to USN have an average travel time of 1 hour and 5 minutes. The distance between these two airports is 220 mi.
What airline has the least delays from CJU to USN?
Consider traveling with Jin Air if you'd like to fly straight from Jeju Intl. Airport (CJU) to Ulsan Airport (USN) without any interruptions. This airline has the strongest track record for punctuality, with an on-time score of 86%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Jeju Intl. Airport (CJU) to Ulsan Airport (USN)?
To avoid potential delays on the Jeju Intl. Airport (CJU) to Ulsan Airport (USN) route, aim to fly before 3 PM. Departures after this time 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 Ulsan from Jeju Intl. Airport (CJU)?
Hop on a direct flight from Jeju Intl. Airport (CJU) to Ulsan and arrive at one of these airports:

  • Gimhae Airport (PUS)
  • Daegu Intl. Airport (TAE)
  • Pohang Airport (KPO)

Is it cheaper to buy a plane ticket from Jeju Intl. Airport (CJU) to Ulsan Airport (USN) last-minute?
Last-minute fares from CJU to USN are generally more expensive. For the best prices, start searching for flights well in advance. That said, if your travel plans are flexible, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book a CJU to USN flight and hotel package?
Securing a CJU to USN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Jeju Intl. Airport (CJU) to Ulsan Airport (USN)?
Usually, it's possible to reschedule or cancel your CJU to USN flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.