C$36 Cheap Flights from Ulsan to Jeju

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Flight deals from Ulsan to Jeju

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

Find the cheapest month to fly from Ulsan to Jeju

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

Direct flights from Ulsan to Jeju

Ulsan to Jeju: Alternative routes

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

Ulsan to Jeju: Flight information

The things to know before you go.
Cheapest flight foundC$36
Cheapest month to flyMarch
Average flight time1 hr, 9 mins
Most popular airlineJin Air
Average flights per week50

Finding cheap flights from Ulsan to Jeju: Frequently asked questions

The best price we found for a return flight from Ulsan to Jeju is C$63. 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 9 minutes is the average flight time from Ulsan to Jeju.
Jin Air, Air Busan and Asiana Airlines fly direct from Ulsan to Jeju.
As of February 2026, there are 50 flights per week flying from Ulsan to Jeju.
The cheapest month to fly from Ulsan to Jeju is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ulsan Airport to Jeju Airport on Sunday, March 1, 2026.
Yes – the average flight time is 1 hour and 9 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 Jeju 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 Jeju 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 Jeju.

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

  • Expect to be airborne for around 1 hour 6 minutes. On average, that's the duration of a direct flight from Ulsan Airport to Jeju International Airport. Jeju and Ulsan have the same timezone — UTC+9.

  • Flights from Ulsan Airport to Jeju International Airport start from 10:50 — the earliest with Jin Air. The latest departure is the 16:05 option with Korean Air. In total, you can take your pick of 80 weekly services from USN to CJU.

  • During popular months such as August, it's a good idea to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're flying during a peak period in general.

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

  • When flying within South Korea, you don't need a passport or visa. However, you'll have to show another form of identity document, such as an ID card or driver's license. Once you've found your cheap ticket from USN to CJU, check your ID is valid before you fly.

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

  • The lowest price we've found for a one-way ticket from Ulsan Airport to Jeju International Airport is C$36. For a return flight on this route, the best price is C$63. Depending on the availability when you book, these fares can change.

  • Get cheap flight tickets from USN to CJU by booking 8 months ahead. According to our research, that's the sweet spot for finding a bargain.

  • Organize your trip for April. That's the cheapest month for flight tickets from Ulsan Airport to Jeju International Airport. If you're flexible with your travel dates, use the 'Whole month' tool to see the cheapest airfare across every month.

  • Snapping up a cheap ticket from USN to CJU is straightforward with Price Alerts. Simply create one of these automatic alerts and we'll notify you when the price has fallen.

  • Use filters to tailor your flights from Ulsan Airport to Jeju International Airport. Simply enter your ideal arrival and departure times, airlines and number of stops. Or sort your results by 'Cheapest' to find the best deals.

Handy information about Ulsan Airport (USN)

  • Ulsan Airport is approximately 11 kilometres from the center of Ulsan. To help work out how to get there, open Google Maps. This handy traveler tool will give you the best route and public transport alternatives.

  • Searching for a convenient hotel near USN? If you're on an early flight from Ulsan Airport to Jeju International Airport, these accommodation options will have you moments from your departure gate:

Arriving at Jeju International Airport (CJU)

  • The last thing you want is a long journey to your hotel if you're arriving on a late flight from Ulsan Airport to Jeju International Airport. Reserve one of these accommodation options near CJU instead:

Getting from Jeju International Airport (CJU) to central Jeju

  • Jeju International Airport is approximately 3 kilometres from central Jeju. How long it takes to get to the center by cab or car rental will depend on the time of day. Do some research before you go.

  • Getting to the center by public transport typically takes 30 minutes.

When to fly to Jeju International Airport (CJU)

  • The quietest month for a flight from Ulsan Airport to Jeju International Airport is April, while July is the most popular. Pick the best time to visit Jeju based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Book your flight from Ulsan Airport to Jeju International Airport for August if you'd like to explore Jeju during its warmest month. Expect temperatures of between 22ºC and 30ºC.

  • Search for cheap flight tickets from USN to CJU in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC and 9ºC on average.

More about Jeju

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Jeju right here. Browse these hotels as soon as you've locked in your flight from USN to CJU:

  • There are so many things to explore in this city it can be hard to work out where to start. Jeju National Museum, Dragon Head Rock and 아트스페이스씨 are leading attractions which should be on every Jeju itinerary.

Complete your Jeju trip with hotels and a car rental

  • You've got your cheap ticket to Jeju International Airport — now it's time to find a great stay, and perhaps even your own set of wheels. We've compared prices across hundreds of companies to bring you the best hotels and car rental deals in Jeju.

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