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

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Flight deals from Jeju to Ulsan

Looking for a cheap last-minute deal or the best return flight from Jeju to Ulsan? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Jeju to Ulsan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Jeju to Ulsan flights are currently cheapest in July.

Direct flights from Jeju to Ulsan

Jeju to Ulsan: Alternative routes

Compare routes from Jeju to Ulsan below. You may find an airport to fly into that's cheaper, faster, or easier than Ulsan.

Jeju to Ulsan: Flight information

The things to know before you go.
Cheapest flight found$53
Cheapest month to flyJuly
Average flight time1 hr, 8 mins
Most popular airlineKorean Air
Average flights per week22

Finding cheap flights from Jeju to Ulsan: Frequently asked questions

The best price we found for a return flight from Jeju to Ulsan is $53. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 8 minutes is the average flight time from Jeju to Ulsan.
Korean Air, Air Busan and Jin Air fly direct from Jeju to Ulsan.
As of June 2025, there are 22 flights per week flying from Jeju to Ulsan.
The cheapest month to fly from Jeju to Ulsan is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Jeju Airport to Ulsan Airport on Tuesday, 15 July 2025.
Yes – the average flight time is 1 hour and 8 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ulsan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ulsan is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air Busan offers the cheapest flight tickets to Ulsan.

Travelling from Jeju International Airport (CJU) to Ulsan Airport (USN): what you need to know

  • Around 1 hour 5 minutes is how long you can expect to be travelling on a direct flight from Jeju International Airport to Ulsan Airport.

  • Take your pick of 60 weekly Jeju International Airport to Ulsan Airport flights. The 10:50 departure with Jin Air is the earliest flight you can take. Korean Air operates the latest service of the day at 14:20.

  • To ensure you get on your CJU to USN flight, allow plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • Be prepared for bigger queues in popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

  • Korean Air has direct flights from Jeju International Airport to Ulsan Airport. Book with this popular airline, then get ready to see the sights in Ulsan — and maybe even more of South Korea if your schedule allows.

  • Korean Air tops the list for bookings on this route.

  • Korean Air is a leader in on-time performance for CJU to USN flights, with 96.72% of its services landing on schedule.

  • Take a detour to a new city or break up your flight with a stopover. Just uncheck 'Direct flights only' to see your options when searching for tickets from Jeju International Airport to Ulsan Airport. Many travellers pass through Gimpo International Airport on this route.

How to find the cheapest flights from Jeju International Airport (CJU) to Ulsan Airport (USN)

  • $26 is currently the best price for a one-way Jeju International Airport to Ulsan Airport flight. A return flight starts at $53. These fares can change depending on demand.

  • Book six months before you want to fly. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from CJU to USN.

  • May is the cheapest month for flights from Jeju International Airport to Ulsan Airport. If you're looking to travel at a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.

  • Save time searching for cheap flights from CJU to USN by creating a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Lock in the right flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Jeju International Airport to Ulsan Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Jeju International Airport (CJU)

  • 79.09% of flights leaving from Jeju International Airport arrive at their destination on schedule.

  • The journey from central Jeju to Jeju International Airport is roughly 3 kilometres. Look up Google Maps for the best route, whether you prefer to drive or use public transport.

  • The trip on public transport usually takes 30 minutes.

  • Get your break off to a relaxed start by staying near CJU. Whether you've booked an early flight from Jeju International Airport to Ulsan Airport or just don't like being rushed, these hotels have you covered:

Arriving at Ulsan Airport (USN)

  • The last thing you need is a lengthy trip to your hotel if you're getting in late on a Jeju International Airport to Ulsan Airport flight. Book one of these accommodation options near USN instead:

  • Set yourself up with an Ulsan Airport rental car from leading companies like Lotte Rent A Car or Hertz. With your own wheels, you can travel beyond Ulsan and visit places that usually fly under the radar.

  • To lock in the best rate, reserve your vehicle from Ulsan Airport a few weeks in advance. Prices typically increase closer to your departure date.

Getting from Ulsan Airport (USN) to central Ulsan

  • Ulsan Airport is about 11 kilometres from central Ulsan. The time it takes to get there in a cab or ride-share will depend on the time of day, so do some research before you go.

  • It takes roughly 1 hour 35 minutes if you're travelling on public transport.

When to fly to Ulsan Airport (USN)

  • The quietest month for a flight from Jeju International Airport to Ulsan Airport is April, while April is the most popular. Choose the best time to go to Ulsan based on whether you prefer a more relaxed vibe or a faster pace.

  • Before locking in your flight from Jeju International Airport to Ulsan Airport, think about the kind of weather you like. August is the warmest month in Ulsan, with temperatures ranging from 20ºC (68ºF) to 31ºC (88ºF).

  • Search for cheap tickets from CJU to USN in January if you like cooler conditions. Temperatures are at their lowest then, ranging between -5ºC (23ºF) and 8ºC (46ºF) on average.

Explore more of South Korea

  • Ulsan is always a good idea, but there are so many other parts of South Korea just waiting to be explored. About 306 kilometres north-west of Ulsan, a trip to Seoul will keep your itinerary packed. Start with attractions like Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower.

  • If you're interested in discovering another well-known destination in South Korea, head for Busan, about 40 kilometres south of Ulsan. Haeundae Beach, Gamcheon Culture Village and Beomeosa Temple are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.