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

ICN Airport Page →
airlines 0/wk
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Flight Schedule 0 flights
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No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Seoul to Ulsan
Connecting service available through multiple hubs.
1 1-stop hubs

While no nonstop service exists between ICN and USN, connecting options are available through 1 hub.

Also explore ICN Routes USN Routes ICN Live Flights USN Live Flights
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ICN to USN.
1-STOP
One-Stop Connections
1
Hubs
~3h
Fastest
~3h
Longest
CJU ~3h 55m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
17
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 Ulsan from Seoul

Nearby airports with service to Ulsan Airport.
Metric ICN→USN GMP→USN
Distance from ICN – 20 mi
Nonstop airlines 0 –
Weekly flights 0 –
Seoul (GMP) to Ulsan flights
Airports within 200 miles of ICN with service to Ulsan Airport.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Seoul, it's 6:00 PM in Ulsan.
Getting to ICN

AREX (Airport Railroad Express) runs two services from Seoul Station: the Direct Train (43 min, ₩11,000, reserved seats) and the All-Stop train (66 min, ₩4,550, unreserved). Both trains serve T1 first, then T2; confirm which terminal your airline uses before boarding.Limousine buses depart from major Seoul neighborhoods and hotels (₩16,000–18,000, 60–90 min depending on traffic). KAL and LIMOUSINE services are reliable. Taxis from central Seoul cost ₩65,000–80,000 and take 60–90 minutes. Deluxe (black) taxis are pricier but English-speaking drivers are more common.

Facts

ICN–USN Quick Facts

Key statistics for the Seoul to Ulsan route.
Route details
Time difference0 hours
Airlines (nonstop)0
1-stop connections1 hubs
Origin: ICN
Full nameIncheon International Airport
IATA / ICAOICN / RKSI
TimezoneAsia/Seoul
Passengers/yr71.2M
Elevation23 ft / 7 m
Destination: USN
Full nameUlsan Airport
IATA / ICAOUSN / RKPU
TimezoneAsia/Seoul
Elevation45 ft / 14 m
FAQ

Frequently Asked Questions

Common questions about ICN to USN flights.
Yes, 1-stop connections are available through CJU. These options provide additional schedule flexibility.
Nearby alternatives include GMP. 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.

Connecting Options and Alternatives

1 one-stop connections are available, with the fastest taking approximately 3 hours via CJU. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seoul (GMP).