Ulsan to Seoul (USN–GMP) — Airlines, Schedules & Connections

USN Airport Page →
197 mi airlines charter/private 35/wk
On-time Some delays Frequent delays
Flight Schedule 10 flights Verified 27m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
KL4248cs
KL KLM
223
9:00 AM
KST
10:00 AM
KST
1h
M T W T F S S
Prices
KE1844+1
KE Korean
223
9:00 AM
KST
10:00 AM
KST
1h
M T W T F S S
Prices
KE5150cs
KE Korean
738
3:05 PM
KST TD
4:05 PM
KST
1h
M T W T F S S
Prices
LJ656+1
LJ Jin
738
3:05 PM
KST
4:05 PM
KST
1h
M T W T F S S
Prices
KE1848+1
KE Korean
223
8:35 PM
KST
9:35 PM
KST
1h
M T W T F S S
Prices
KL4246cs
KL KLM
223
7:20 AM
KST TD
8:20 AM
KST
1h
M T W T F S S
Prices
KE1843+1
KE Korean
223
7:20 AM
KST TD
8:20 AM
KST
1h
53%
M T W T F S S
Prices
LJ655+1
LJ Jin
738
1:25 PM
KST TD
2:25 PM
KST
1h
53%
M T W T F S S
Prices
KE5149cs
KE Korean
738
1:25 PM
KST TD
2:25 PM
KST
1h
53%
M T W T F S S
Prices
KE1847+1
KE Korean
223
6:55 PM
KST TD
7:55 PM
KST
1h
53%
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
CJU Jeju City 3h 10m BXKELJ 7CBXKE Jeju City (CJU) to Seoul flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Ulsan to Seoul
2 carriers, 35 flights/week nonstop.
2 Airlines 197 mi 1h nonstop

USN–GMP is served by 2 airlines with nonstop service. Korean Air and Jin Air lead the route. The flight covers 197 miles in approximately 1h. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop USN–GMP service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
KE Korean Air Also: KL 21 223, 738 1h SkyTeam KL
LJ Jin Air 7 738 1h
Aircraft on this route
223 Airbus A220-300 – KE, KL
738 Boeing 737-800 – KE, LJ
Alliance coverage
SkyTeam: KE (21 flights/wk, 75%)
Unaffiliated: LJ (7 flights/wk, 25%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, USN to GMP direction.
Mon
5
flights
Tue
5
flights
Wed
5
flights
Thu
5
flights
Fri
5
flights
Sat
5
flights
Sun
5
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
5
Nonstop flights
35
Outbound / wk
35
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for USN to GMP.
1-STOP
One-Stop Connections
1
Hubs
~3h
Fastest
~3h
Longest
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.

Other ways to reach Seoul from Ulsan

Nearby airports with service to Gimpo International Airport.
Metric USN→GMP KPO→GMP PUS→GMP
Distance from USN 28 mi 37 mi
Nonstop airlines 2 2 6
Weekly flights 35 14 291
Flight time 1h 1h 1h 5m
Airports within 200 miles of USN with service to Gimpo International Airport.

Travel Essentials

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

When it's 6:00 PM in Ulsan, it's 6:00 PM in Seoul.
Distance & Flight Time
197 mi / 316 km
Nonstop flight time is approximately 1h 0m gate to gate.

USN–GMP Quick Facts

Key statistics for the Ulsan to Seoul route.
Route details
Distance197 mi / 316 km
Flight time1h
Time difference0 hours
Airlines (nonstop)2
Weekly flights35 out / 35 return
1-stop connectionsAvailable
Origin: USN
Full nameUlsan Airport
IATA / ICAOUSN / RKPU
TimezoneAsia/Seoul
Elevation45 ft / 14 m
Destination: GMP
IATA / ICAOGMP / RKSS
TimezoneAsia/Seoul
Passengers/yr25.0M
Elevation59 ft / 18 m

Frequently Asked Questions

Common questions about USN to GMP flights.
Nonstop flights from Ulsan Airport to Gimpo International Airport take about 1h gate to gate. The route covers 197 miles.
2 airlines operate flights from USN to GMP: Korean Air and Jin 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 Jeju.
Yes, return flights from GMP to USN are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include KPO, PUS and HIN. 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 GMP

Ulsan Airport (USN) and Gimpo International Airport (GMP) are connected by nonstop service from Korean Air and Jin Air. With 35 weekly departures, this is a heavily served route.

USN to GMP Flight Duration and Schedule

Nonstop flight time from USN to GMP is about 1 hours gate to gate. The route covers a distance of 197 miles (316 km). There are approximately 35 weekly flights outbound and 35 return, totaling 70 flights per week in both directions.

Connecting Options and Alternatives

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