C$42 Cheap Flights from Ulsan (USN) to Jeju (CJU)

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Travellers and cabin class, 1 Adult, Economy

Compare Ulsan to Jeju flight deals

Find the cheapest month or even day of the year to fly to Jeju

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Flight deals from Ulsan to Jeju

Looking for a cheap last-minute deal or the best return flight from Ulsan Airport to Jeju Airport? If you want to travel next month, return fares start from C$88. Find the lowest prices on one-way and return tickets right here.

Jeju.C$42 per passenger.Departing Tue., Sep. 1.One-way flight with Air Busan.Outbound direct flight with Air Busan departs from Ulsan on Tue., Sep. 1, arriving in Jeju.Price includes taxes and charges.From C$42, select.

Jeju.C$45 per passenger.Departing Tue., Oct. 20.One-way flight with Air Busan.Outbound direct flight with Air Busan departs from Ulsan on Tue., Oct. 20, arriving in Jeju.Price includes taxes and charges.From C$45, select.

Jeju.C$45 per passenger.Departing Tue., Aug. 25.One-way flight with Air Busan.Outbound direct flight with Air Busan departs from Ulsan on Tue., Aug. 25, arriving in Jeju.Price includes taxes and charges.From C$45, select.

Jeju.C$46 per passenger.Departing Mon., Nov. 30.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Ulsan on Mon., Nov. 30, arriving in Jeju.Price includes taxes and charges.From C$46, select.

Jeju.C$46 per passenger.Departing Mon., Feb. 1.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Ulsan on Mon., Feb. 1, arriving in Jeju.Price includes taxes and charges.From C$46, select.

Jeju.C$46 per passenger.Departing Tue., Jan. 12.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Ulsan on Tue., Jan. 12, arriving in Jeju.Price includes taxes and charges.From C$46, select.

Jeju.C$47 per passenger.Departing Wed., Dec. 23.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Ulsan on Wed., Dec. 23, arriving in Jeju.Price includes taxes and charges.From C$47, select.

Jeju.C$47 per passenger.Departing Wed., Mar. 10.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Ulsan on Wed., Mar. 10, arriving in Jeju.Price includes taxes and charges.From C$47, select.

Jeju.C$93 per passenger.Departing Tue., Jun. 8.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Ulsan on Tue., Jun. 8, arriving in Jeju.Price includes taxes and charges.From C$93, select.

Jeju.C$93 per passenger.Departing Tue., May 11.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Ulsan on Tue., May 11, arriving in Jeju.Price includes taxes and charges.From C$93, select.

Jeju.C$93 per passenger.Departing Mon., Jul. 19.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Ulsan on Mon., Jul. 19, arriving in Jeju.Price includes taxes and charges.From C$93, select.

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 September.

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Which airlines fly 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.

Jeju

3km from central Jeju

ClosestCheapest

from C$42

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Ulsan to Jeju: Flight information

The things to know before you go.

Cheapest flight found	C$42
Cheapest month to fly	September
Average flight time	1 hr, 11 mins
Most popular airline	Air Busan
Average flights per week	22

Finding cheap flights from Ulsan to Jeju: Frequently asked questions

How much are return flights from Ulsan to Jeju?

The best price we found for a return flight from Ulsan to Jeju is C$86. 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.

How long does it take to fly from Ulsan to Jeju?

1 hour and 11 minutes is the average flight time from Ulsan to Jeju.

Which airlines fly direct from Ulsan to Jeju?

Air Busan, Korean Air and Jin Air fly direct from Ulsan to Jeju.

How many flights are there a week from Ulsan to Jeju?

As of August 2026, there are 22 flights per week flying from Ulsan to Jeju.

When is the cheapest time to fly from Ulsan to Jeju?

The cheapest month to fly from Ulsan to Jeju is usually August.

Which upcoming date is cheapest to fly from Ulsan Airport to Jeju Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ulsan Airport to Jeju Airport on Saturday, August 29, 2026.

Can I get a direct flight from Ulsan Airport to Jeju Airport?

Yes – the average flight time is 1 hour and 11 minutes.

How can I find the best flight deal to Jeju?

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.

When is the best time to book flights to Jeju?

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.

Which is the cheapest airline to fly from Ulsan Airport to Jeju with?

Currently, Air Busan offers the cheapest flight tickets to Jeju.

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

The average length of a direct flight from Ulsan Airport to Jeju Airport is 1 hour 10 minutes.
Ulsan and Jeju are both in the UTC+9 timezone. That means you won't have to change your watch on arrival.
You can take your pick of 20 weekly Ulsan Airport to Jeju Airport flights.
Leave enough time to catch your USN to CJU flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.
During popular months such as April, it's best to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead for an international flight when you fly during a peak period in general.
A number of airlines operate direct flights from Ulsan Airport to Jeju Airport, so jetting off to Jeju (and then discovering more of South Korea!) is easy. Top carriers that fly nonstop include:
The airline most travellers fly with on this route is Air Busan.
Air Busan leads the way as the most punctual carrier for USN to CJU flights, with 95.38% of services arriving as scheduled.

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

At the moment, C$42 is the cheapest price we've found for a one-way Ulsan Airport to Jeju Airport flight. The best price for a return ticket is C$86. Remember that fares can change due to demand when booking.
To get cheap tickets from USN to CJU, reserve your journey 11 months before your departure date.
Schedule your trip for April. That's the cheapest month for flights from Ulsan Airport to Jeju Airport. If your travel dates are flexible, use the 'Whole month' tool to see the lowest price across each month.
Landing cheap flights from USN to CJU couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as a new deal comes up.
Tailor your flights using filters. Select your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Ulsan Airport to Jeju Airport.

Handy information about Ulsan Airport (USN)

79% of flights that take off from Ulsan Airport arrive at their destination on schedule.
Central Ulsan to Ulsan Airport is around 18 kilometres. Depending on traffic, it'll take about 25 minutes to get there if you're driving, catching a cab or ride-sharing.
Planning to catch public transport? Expect a trip time of around 45 minutes.
Get your journey off to a relaxed start by staying near USN. Whether you have an early flight from Ulsan Airport to Jeju Airport or just don't like being rushed, these stays have you covered:

Arriving at Jeju Airport (CJU)

If you're coming in on a late Ulsan Airport to Jeju Airport flight, nothing tops the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and snoozing soon after at one of these options near CJU:
Explore without limits with a Jeju Airport rental car. Pick up a set of wheels from Rainbow rental, TamRa or 패밀리렌트카 and see more of Jeju and beyond.
Lock in the best possible rate by reserving your vehicle from Jeju Airport about three weeks ahead of your trip.

When to fly to Jeju Airport (CJU)

It's time to work out your trip dates for your flight from Ulsan Airport to Jeju Airport. April is the most popular month to head to Jeju. If you'd like a more relaxed vibe, go in March.
Book your flight from Ulsan Airport to Jeju Airport for August if you'd like to go to Jeju during its warmest month. Expect temperatures of between 22ºC (72ºF) and 30ºC (86ºF).
Look for cheap tickets from USN to CJU in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of South Korea

Seoul is just one of the many places in South Korea waiting to be discovered after you've experienced Jeju. Around 451 kilometres away to the north, popular attractions include Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower.
If you're looking to explore another major stop in South Korea, head for Busan, roughly 306 kilometres north-east of Jeju. Gamcheon Culture Village, Haeundae Beach and Beautiful View Busan - Diamond Bridge are the start of reasons to visit.