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

USN Airport Page →
197 mi airlines 21/wk
On-time Some delays Frequent delays
Flight Schedule 7 flights Verified 24m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
KE1844+1
KE Korean
223
9:30 AM
KST
10:30 AM
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
8:20 PM
KST
9:20 PM
KST
1h
M T W T F S S
Prices
KL4246cs
KL KLM
223
7:50 AM
KST TD
8:50 AM
KST
1h
M T W T F S S
Prices
KE1843+1
KE Korean
223
7:50 AM
KST TD
8:50 AM
KST
1h
M T W T F S S
Prices
LJ655+1
LJ Jin
738
12:55 PM
KST TD
1:55 PM
KST
1h
M T W T F S S
Prices
KE1847+1
KE Korean
223
6:40 PM
KST TD
7:40 PM
KST
1h
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Ulsan to Seoul
1 carrier, 21 flights/week nonstop.
1 Airlines 21 Flights/wk 197 mi 1h nonstop 1 1-stop hubs

USN–GMP is served by 1 airline with nonstop service. Jin Air leads the route. The flight covers 197 miles in approximately 1h. Beyond nonstop, 1 hub offers 1-stop connections.

Airline Landscape

All carriers operating nonstop USN–GMP service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
LJ Jin Air Also: KE 7 738 1h KE
Aircraft on this route
223 Airbus A220-300 – KE
738 Boeing 737-800 – LJ
Alliance coverage
Unaffiliated: LJ (7 flights/wk, 100%)
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
3
flights
Tue
3
flights
Wed
3
flights
Thu
3
flights
Fri
3
flights
Sat
3
flights
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
3
Nonstop flights
21
Outbound / wk
28
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for USN to GMP.
1-STOP
One-Stop Connections
1
Hubs
~17h
Fastest
~17h
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 1 2 6
Weekly flights 21 7 213
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.

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)1
Weekly flights21 out / 28 return
1-stop connections1 hubs
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 approximately 1h. The route covers 197 miles.
1 airline operates nonstop service: Jin Air. Plus 1 codeshare partner.
There are approximately 21 nonstop flights per week from USN to GMP. The return direction has about 28 weekly flights.
Yes, 1-stop connections are available through CJU. These options provide additional schedule flexibility.
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 Jin Air. With 21 weekly departures, this is a well served route.

USN to GMP Flight Duration and Schedule

Nonstop flight time from USN to GMP ranges from 1 hours 0 minutes. The route covers a distance of 197 miles (316 km). There are approximately 21 weekly flights outbound and 28 return, totaling 49 flights per week in both directions.

Connecting Options and Alternatives

1 one-stop connections are available, with the fastest taking approximately 17 hours via CJU. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Pohang (KPO), Busan (PUS) and Sacheon (HIN).