Home› Flights› Ulsan to Jeju
✦ Smart route search

Ulsan to Jeju flight ticket price

Compare live prices for USN to CJU. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
USN → CJU Approx. 349.48 km 07 May 2026 Live inventory
✈ Flight Search
Modify your route
From
To
Depart
Return
Adults
Children
Infants
Cabin
Trip Type
USN→CJU

Sort By

💰 Cheapest
⚡ Fastest
🕐 Earliest

🎚️ Filters

Stops Reset
0
0
0
Max Price Reset
Up to ₹5,00,000
Departure Time Reset
🌙 Night
12am–6am
🌅 Morning
6am–12pm
☀️ Afternoon
12pm–6pm
🌆 Evening
6pm–12am
Fare Type
Airlines All
Loading…
Select Fare
—
Stops Reset
0
0
0
Max Price Reset
Up to ₹5,00,000
Departure Time Reset
🌙 Night
12am–6am
🌅 Morning
6am–12pm
☀️ Afternoon
12pm–6pm
🌆 Evening
6pm–12am
Fare Type
Airlines All
Loading…
Showing 25 of 27 live flights
AIR BUSAN
BX-8305
17:50
05/07/2026
USN
Ulsan Airport
1h 10m
Non-stop
19:00
05/07/2026
CJU
Jeju International Airport
₹3,645
per person
✓ Refundable
AIR BUSAN
BX-8301
11:40
05/07/2026
USN
Ulsan Airport
1h 5m
Non-stop
12:45
05/07/2026
CJU
Jeju International Airport
₹5,472
per person
✓ Refundable
Korean Air
KE-1595
15:00
05/07/2026
USN
Ulsan Airport
1h 10m
Non-stop
16:10
05/07/2026
CJU
Jeju International Airport
₹5,625
per person
✓ Refundable🔥 Last 5 seats5 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
10h 0m
1 Stop
⏱ GMP · 7h 45mGMP Airport
19:00
05/07/2026
CJU
Jeju International Airport
₹9,057
per person
✓ Refundable🔥 Last 2 seats2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
9h 45m
1 Stop
⏱ GMP · 7h 30mGMP Airport
18:45
05/07/2026
CJU
Jeju International Airport
₹9,573
per person
✓ Refundable🔥 Last 2 seats2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
10h 30m
1 Stop
⏱ GMP · 8h 15mGMP Airport
19:30
05/07/2026
CJU
Jeju International Airport
₹9,573
per person
✓ Refundable🔥 Last 1 seats2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
7h 10m
1 Stop
⏱ GMP · 4h 55mGMP Airport
16:10
05/07/2026
CJU
Jeju International Airport
₹9,754
per person
✓ Refundable🔥 Last 1 seats5 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
7h 25m
1 Stop
⏱ GMP · 5h 10mGMP Airport
16:25
05/07/2026
CJU
Jeju International Airport
₹10,090
per person
✓ Refundable🔥 Last 2 seats2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
8h 50m
1 Stop
⏱ GMP · 6h 35mGMP Airport
17:50
05/07/2026
CJU
Jeju International Airport
₹10,090
per person
✓ Refundable🔥 Last 2 seats2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
11h 0m
1 Stop
⏱ GMP · 8h 45mGMP Airport
20:00
05/07/2026
CJU
Jeju International Airport
₹10,090
per person
✓ Refundable🔥 Last 2 seats2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
6h 15m
1 Stop
⏱ GMP · 4h 0mGMP Airport
15:15
05/07/2026
CJU
Jeju International Airport
₹10,340
per person
✓ Refundable🔥 Last 2 seats5 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
12h 45m
1 Stop
⏱ GMP · 10h 30mGMP Airport
21:45
05/07/2026
CJU
Jeju International Airport
₹10,592
per person
✓ Refundable🔥 Last 2 seats2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
5h 0m
1 Stop
⏱ GMP · 2h 45mGMP Airport
14:00
05/07/2026
CJU
Jeju International Airport
₹10,856
per person
✓ Refundable🔥 Last 2 seats5 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
5h 30m
1 Stop
⏱ GMP · 3h 15mGMP Airport
14:30
05/07/2026
CJU
Jeju International Airport
₹10,856
per person
✓ Refundable🔥 Last 2 seats5 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
5h 50m
1 Stop
⏱ GMP · 3h 35mGMP Airport
14:50
05/07/2026
CJU
Jeju International Airport
₹10,856
per person
✓ Refundable🔥 Last 2 seats5 fare options
Korean Air
KE-1848
20:35
05/07/2026
USN
Ulsan Airport
11h 15m
1 Stop
⏱ GMP · 9h 0mGMP Airport
07:50
05/08/2026
+1
CJU
Jeju International Airport
₹14,007
per person
✓ Refundable🔥 Last 1 seats2 fare options
Korean Air
KE-1848
20:35
05/07/2026
USN
Ulsan Airport
11h 45m
1 Stop
⏱ GMP · 9h 30mGMP Airport
08:20
05/08/2026
+1
CJU
Jeju International Airport
₹14,007
per person
✓ Refundable🔥 Last 1 seats2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
3h 35m
1 Stop
⏱ GMP · 1h 20mGMP Airport
12:35
05/07/2026
CJU
Jeju International Airport
₹19,598
per person
✕ Non-refundable2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
4h 40m
1 Stop
⏱ GMP · 2h 25mGMP Airport
13:40
05/07/2026
CJU
Jeju International Airport
₹19,598
per person
✕ Non-refundable2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
5h 10m
1 Stop
⏱ GMP · 2h 55mGMP Airport
14:10
05/07/2026
CJU
Jeju International Airport
₹19,598
per person
✕ Non-refundable2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
5h 35m
1 Stop
⏱ GMP · 3h 20mGMP Airport
14:35
05/07/2026
CJU
Jeju International Airport
₹19,598
per person
✕ Non-refundable2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
7h 25m
1 Stop
⏱ GMP · 5h 10mGMP Airport
16:25
05/07/2026
CJU
Jeju International Airport
₹19,598
per person
✕ Non-refundable2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
8h 0m
1 Stop
⏱ GMP · 5h 45mGMP Airport
17:00
05/07/2026
CJU
Jeju International Airport
₹19,598
per person
✕ Non-refundable2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
9h 40m
1 Stop
⏱ GMP · 7h 25mGMP Airport
18:40
05/07/2026
CJU
Jeju International Airport
₹19,598
per person
✕ Non-refundable2 fare options
Korean Air
KE-1844
09:00
05/07/2026
USN
Ulsan Airport
11h 30m
1 Stop
⏱ GMP · 9h 15mGMP Airport
20:30
05/07/2026
CJU
Jeju International Airport
₹19,837
per person
✓ Refundable
😕 No flights match your filters.
Ulsan (USN)
📍 Ulsan Airport
🌍 South Korea
🕐 GMT 9
📐 Latitude: 35.59349823
📐 Longitude: 129.352005005
Jeju (CJU)
📍 Jeju International Airport
🌍 South Korea
🕐 GMT 9
📐 Latitude: 33.51129913330078
📐 Longitude: 126.49299621582031

✈ Distance: Ulsan,South Korea to Jeju,South Korea — 349.48 km

📅 Results on this page are loaded for 07 May 2026. Click View all flights for the complete live search.

Ulsan to Jeju — what to expect when booking

The USN–CJU route is served by multiple carriers throughout the year. Fares on this route can move quickly — a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between Ulsan,South Korea and Jeju,South Korea is approximately 349.48 km.

Before you book

Compare nearby dates

The date strip above lets you scan nearby fares without restarting the search.

Open full search for more control

Route page shows a limited live set. Full search opens the complete inventory with fresh results.

Check fare details

Each result shows baggage, refundability and fare details before you proceed.

More flights from Ulsan (USN)
1 routes
Ulsan → Seoul
USN → GMP
More flights from Jeju (CJU)
26 routes
Jeju → Beijing
CJU → PEK
Jeju → Changchun
CJU → CGQ
Jeju → Changsha
CJU → CSX
Jeju → Cheongju
CJU → CJJ
Jeju → Daegu
CJU → TAE
Jeju → Dalian
CJU → DLC
Jeju → Fukuoka
CJU → FUK
Jeju → Fuzhou
CJU → FOC
Jeju → Harbin
CJU → HRB
Jeju → Hong Kong
CJU → HKG
Jeju → Meixian
CJU → MWX
Jeju → Nagoya
CJU → NGO
Jeju → Ningbo
CJU → NGB
Jeju → Osaka
CJU → KIX
Jeju → Pu San
CJU → PUS
Jeju → Seoul
CJU → GMP
Jeju → Shanghai
CJU → PVG
Jeju → Shenyang
CJU → SHE
Jeju → Shenzhen
CJU → SZX
Jeju → Taipei
CJU → TPE
Jeju → Tianjin
CJU → TSN
Jeju → Tokyo
CJU → NRT
Jeju → Ulsan
CJU → USN
Jeju → Wenzhou
CJU → WNZ
Jeju → Xiamen
CJU → XMN
Jeju → Zhengzhou
CJU → CGO
❓ Frequently asked questions — Ulsan to Jeju flights

Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between Ulsan,South Korea (USN) and Jeju,South Korea (CJU) is approximately 349.48 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.