Ulsan to Jeju City (USN–CJU) — Airlines, Schedules & Connections

USN Airport Page →
217 mi airlines charter/private 49/wk
On-time Some delays Frequent delays
Flight Schedule 14 flights Verified 54m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
OZ8301cs
OZ Asiana
320
11:20 AM
KST
12:35 PM
KST
1h 15m
—
M T W T F S S
Prices
✓
→
BX8301+2
BX Air Busan
320
11:20 AM
KST
12:35 PM
KST
1h 15m
—
M T W T F S S
Prices
✓
→
LJ1751cs
LJ Jin
320
11:40 AM
KST TD
12:45 PM
KST
1h 5m
—
M T W T F S S
Prices
✓
→
KE1595
KE Korean
223
3:00 PM
KST
4:10 PM
KST
1h 10m
—
M T W T F S S
Prices
✓
→
BX8305+2
BX Air Busan
320
5:50 PM
KST TD
7:00 PM
KST
1h 10m
—
M T W T F S S
Prices
✓
→
LJ1753cs
LJ Jin
320
5:50 PM
KST TD
7:00 PM
KST
1h 10m
—
M T W T F S S
Prices
✓
→
OZ8305cs
OZ Asiana
320
5:50 PM
KST
7:00 PM
KST
1h 10m
—
M T W T F S S
Prices
✓
←
OZ8300cs
OZ Asiana
320
9:20 AM
KST
10:30 AM
KST
1h 10m
33%
M T W T F S S
Prices
✓
←
BX8300+2
BX Air Busan
320
9:20 AM
KST TD
10:30 AM
KST
1h 10m
39%
M T W T F S S
Prices
✓
←
LJ1752cs
LJ Jin
320
10:05 AM
KST TD
11:10 AM
KST
1h 5m
32%
M T W T F S S
Prices
✓
←
KE1596
KE Korean
223
1:10 PM
KST
2:15 PM
KST
1h 5m
34%
M T W T F S S
Prices
✓
←
OZ8304cs
OZ Asiana
320
4:10 PM
KST TD
5:15 PM
KST
1h 5m
33%
M T W T F S S
Prices
✓
←
BX8304+2
BX Air Busan
320
4:10 PM
KST TD
5:15 PM
KST
1h 5m
39%
M T W T F S S
Prices
✓
←
LJ1754cs
LJ Jin
320
4:10 PM
KST TD
5:15 PM
KST
1h 5m
32%
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 1 hub
GMP Seoul 3h 5m KEKLLJ → 7CBXKE Seoul (GMP) to Jeju City flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Ulsan to Jeju City
2 carriers, 49 flights/week nonstop.
2 Airlines 217 mi 1h 10m nonstop

USN–CJU is served by 2 airlines with nonstop service. Air Busan and Korean Air lead the route. The flight covers 217 miles in approximately 1h 10m. Beyond nonstop, 1-stop connecting options are also available.

Also explore USN Routes CJU Routes USN Live Flights CJU Live Flights
All flights from Jeju City (CJU) Jeju City to Ulsan flights
Carriers on this route

Airline Landscape

All carriers operating nonstop USN–CJU service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
BX Air Busan Also: LJ, OZ 14 320 1h10-1h15 – – LJ, OZ
KE Korean Air 7 223 1h10 – SkyTeam –
Aircraft on this route
223 Airbus A220-300 – KE
320 Airbus A320 – BX, LJ, OZ
Alliance coverage
Unaffiliated: BX (14 flights/wk, 67%)
SkyTeam: KE (7 flights/wk, 33%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, USN to CJU direction.
Mon
7
flights
Tue
7
flights
Wed
7
flights
Thu
7
flights
Fri
7
flights
Sat
7
flights
Sun
7
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
7
Nonstop flights
49
Outbound / wk
49
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for USN to CJU.
1-STOP
One-Stop Connections
1
Hubs
~3h
Fastest
~3h
Longest
GMP ~3h 5m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
9
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Alternatives

Other ways to reach Jeju City from Ulsan

Nearby airports with service to Jeju International Airport.
Metric USN→CJU KPO→CJU PUS→CJU
Distance from USN – 28 mi 37 mi
Nonstop airlines 2 2 6
Weekly flights 49 28 405
Flight time 1h 10m 1h 5m 0h 39m
Pohang (KPO) to Jeju City flights · Busan (PUS) to Jeju City flights · Daegu (TAE) to Jeju City flights
Airports within 200 miles of USN with service to Jeju International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
0h
Jeju City is 0 hours the same as Ulsan.
USN: KST · CJU: KST

When it's 6:00 PM in Ulsan, it's 6:00 PM in Jeju City.
Distance & Flight Time
217 mi / 349 km
Nonstop flight time is approximately 1h 10m gate to gate.
Facts

USN–CJU Quick Facts

Key statistics for the Ulsan to Jeju City route.
Route details
Distance217 mi / 349 km
Flight time1h 10m
Time difference0 hours
Airlines (nonstop)2
Weekly flights49 out / 49 return
1-stop connectionsAvailable
Origin: USN
Full nameUlsan Airport
IATA / ICAOUSN / RKPU
TimezoneAsia/Seoul
Elevation45 ft / 14 m
Destination: CJU
Full nameJeju International Airport
IATA / ICAOCJU / RKPC
TimezoneAsia/Seoul
Passengers/yr30.0M
Elevation118 ft / 36 m
FAQ

Frequently Asked Questions

Common questions about USN to CJU flights.
Nonstop flights from Ulsan Airport to Jeju International Airport take about 1h 10m gate to gate. The route covers 217 miles.
2 airlines operate flights from USN to CJU: Air Busan and Korean Air.
This route has frequent daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Gimpo.
Yes, return flights from CJU to USN are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include KPO, PUS and TAE. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from USN to CJU

Ulsan Airport (USN) and Jeju International Airport (CJU) are connected by nonstop service from Air Busan and Korean Air. With 49 weekly departures, this is a heavily served route.

USN to CJU Flight Duration and Schedule

Nonstop flight time from USN to CJU is about 1 hours 10 minutes gate to gate. The route covers a distance of 217 miles (349 km). There are approximately 49 weekly flights outbound and 49 return, totaling 98 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Gimpo. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Pohang (KPO), Busan (PUS) and Daegu (TAE).