Ulaanbaatar (Sergelen) to Seoul (UBN–ICN) — Airlines, Schedules & Connections

UBN Airport Page →
1,216 mi airlines charter/private 26/wk
On-time Some delays Frequent delays
Flight Schedule 8 flights Verified 13m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
KE5868+1
KE Korean
73G
8:40 AM
+08
12:50 PM
KST
3h 10m
M T W T F S S
Prices
KE2042+2
KE Korean
333
1:00 PM
+08
5:10 PM
KST
3h 10m
M T W T F S S
Prices
7C5204
7C Jeju
738
1:40 PM
+08
5:55 PM
KST
3h 15m
M T W T F S S
Prices
KE5650+1
KE Korean
7M8
6:15 PM
+08
10:25 PM
KST
3h 10m
M T W T F S S
Prices
KE2041+2
KE Korean
333
8:35 AM
KST T2
11:10 AM
+08
3h 35m
22%
M T W T F S S
Prices
7C5203
7C Jeju
738
10:00 AM
KST T1
12:40 PM
+08
3h 40m
57%
M T W T F S S
Prices
KE5867+1
KE Korean
73G
2:20 PM
KST T1
5:00 PM
+08
3h 40m
22%
M T W T F S S
Prices
OZ567+1
OZ Asiana
32Q
8:20 PM
KST T2
11:05 PM
+08
3h 45m
36%
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 5 hubs
PEK Beijing 6h 20m CA CAKEMF Beijing (PEK) to Seoul flights
PVG Shanghai (Pudong) 6h 45m 9C 9CCZFM Shanghai (Pudong) (PVG) to Seoul flights
NRT Narita 8h 5m UA 7CBXET Narita (NRT) to Seoul flights
HKG Hong Kong 9h 14m CX 7CACBX Hong Kong (HKG) to Seoul flights
IST Istanbul 22h 18m TK KEOZTK Istanbul (IST) to Seoul flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Ulaanbaatar (Sergelen) to Seoul
2 carriers, 26 flights/week nonstop.
2 Airlines 1,216 mi 3h 10m nonstop +1h ahead

UBN–ICN is served by 2 airlines with nonstop service. Korean Air and Jeju Air lead the route. The flight covers 1,216 miles in approximately 3h 10m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop UBN–ICN service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
KE Korean Air 21 333, 73G, 7M8 3h10 SkyTeam
7C Jeju Air 5 738 3h15
Aircraft on this route
333 Airbus A330-300 – KE
738 Boeing 737-800 – 7C
73G Boeing 737-700 – KE
7M8 Boeing 737 MAX 8 – KE
Alliance coverage
SkyTeam: KE (21 flights/wk, 81%)
Unaffiliated: 7C (5 flights/wk, 19%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, UBN to ICN direction.
Mon
4
flights
Tue
4
flights
Wed
3
flights
Thu
4
flights
Fri
3
flights
Sat
4
flights
Sun
4
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
4
Nonstop flights
26
Outbound / wk
24
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for UBN to ICN.
1-STOP
One-Stop Connections
5
Hubs
~6h
Fastest
~22h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
424
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.

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Seoul is 1 hour ahead of Ulaanbaatar (Sergelen).
UBN: +08 · ICN: KST

When it's 6:00 PM in Ulaanbaatar (Sergelen), it's 7:00 PM in Seoul.
Distance & Flight Time
1,216 mi / 1,957 km
Nonstop flight time is approximately 3h 10m gate to gate.
Getting from ICN

AREX Direct Train to Seoul Station (43 min, ₩11,000) is a reserved-seat express. The All-Stop train serves Hongik University, City Hall, and other inner-city stations (66 min, ₩4,550). T2 passengers board at a dedicated T2 stop before T1; don't exit early. City Check-in at Seoul Station allows bag drop and boarding pass printing before the train for select airlines.Limousine buses serve major hotel zones and neighborhoods (₩16,000–18,000). Taxis from ICN to central Seoul cost ₩65,000–90,000; use only official orange (general) or black (deluxe) cabs from the designated stands. KakaoTaxi (ride-hail) operates from the airport.

Seoul Climate

Humid continental climate. Winters are cold and dry (−8 to 2°C, December–February) with occasional snow and wind chill. ICN handles snow well, though heavy falls delay operations. Summer monsoon (Changma) runs late June through July with heavy continuous rain. Typhoons can affect operations August–September with short notice.

Spring brings Yellow Dust (hwangsa) from China. Fine particulate storms reduce visibility and occasionally disrupt flights in March–April. Autumn (October–November) is the best flying season: clear skies, low humidity, 8–18°C. Pack layers for spring and fall. Summer is hot and humid (25–32°C).

UBN–ICN Quick Facts

Key statistics for the Ulaanbaatar (Sergelen) to Seoul route.
Route details
Distance1,216 mi / 1,957 km
Flight time3h 10m
Time difference+1 hour
Airlines (nonstop)2
Weekly flights26 out / 24 return
1-stop connectionsAvailable
Origin: UBN
IATA / ICAOUBN / ZMCK
TimezoneAsia/Ulaanbaatar
Elevation4,482 ft / 1,366 m
Destination: ICN
IATA / ICAOICN / RKSI
TimezoneAsia/Seoul
Passengers/yr71.2M
Elevation23 ft / 7 m

Frequently Asked Questions

Common questions about UBN to ICN flights.
Nonstop flights from Ulaanbaatar Chinggis Khaan International Airport to Incheon International Airport take about 3h 10m gate to gate. The route covers 1,216 miles.
2 airlines operate flights from UBN to ICN: Korean Air and Jeju Air.
This route has 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 Beijing Capital, Shanghai Pudong and Narita.
Seoul is 1 hour ahead of Ulaanbaatar (Sergelen).
Yes, return flights from ICN to UBN are available. Use the direction toggle at the top to view the return schedule.
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 UBN to ICN

Ulaanbaatar Chinggis Khaan International Airport (UBN) and Incheon International Airport (ICN) are connected by nonstop service from Korean Air and Jeju Air. With 26 weekly departures, this is a well served route.

UBN to ICN Flight Duration and Schedule

Nonstop flight time from UBN to ICN is about 3 hours 10 minutes gate to gate. The route covers a distance of 1,216 miles (1,957 km). There are approximately 26 weekly flights outbound and 24 return, totaling 50 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Beijing Capital, Shanghai Pudong and Narita. Two-stop connections are also available via intermediate hubs.