🇲🇳 UBN
Ulaanbaatar (Sergelen)
1500 mi
ICN 🇰🇷
Seoul

Ulaanbaatar (Sergelen) to Seoul Flights

Ulaanbaatar Chinggis Khaan International Airport Incheon International Airport 6 airlines

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The Ulaanbaatar (Sergelen) to Seoul route connects Ulaanbaatar Chinggis Khaan International Airport (UBN) in MN with Incheon International Airport (ICN) in KR. This medium-haul flight covers approximately 1500 miles (2414 km) with a typical flight time of 2h 53m. This route is served by 6 airlines: Mongolian, Korean Air, Aero Mongolia and others. AirportRoutes has tracked 8 unique flight numbers on this route.

About This Route

Route Overview

The Ulaanbaatar (Sergelen) (UBN) → Seoul Incheon (ICN) route links Mongolia’s capital with South Korea’s primary global hub across 1,217 miles (1,959 km). Nonstop flights typically take about 3.5–4 hours, making it one of the fastest ways for Mongolian travelers to access East Asia’s extensive onward connections. Passengers choose this route for business ties, K-pop and shopping trips, medical visits, and convenient transfers via ICN to Japan, Southeast Asia, and North America. For Korean visitors, it’s a direct gateway to Mongolia’s steppe landscapes and cultural festivals. Expect a short-haul international experience with standard passport control, baggage screening, and a clear time-zone shift that can affect same-day plans.

Travel Tips

Book early for the best fares, especially around summer holidays and major Korean events; typical round-trip prices often range from ₩250,000–₩500,000 (about $190–$380) depending on season and baggage. Compare fares with and without checked luggage—some tickets are carry-on only. At UBN, arrive 2–3 hours before departure; services are limited compared with larger hubs, so bring snacks and download entertainment. At ICN, follow clear bilingual signage for immigration, baggage claim, and the AREX/train or airport buses into Seoul. On board, expect light service on this 1,217-mile (1,959 km) sector; pack a layer for cabin temperature and keep a pen handy for any arrival forms.

Destination Highlights

Seoul blends royal heritage with cutting-edge neighborhoods and late-night energy. Start with Gyeongbokgung Palace and nearby Bukchon Hanok Village for traditional architecture, then contrast it with Dongdaemun Design Plaza and the shopping streets of Myeongdong. For skyline views, visit N Seoul Tower or walk along the Han River parks. Food is a major draw: try samgyeopsal (grilled pork), bibimbap, tteokbokki, and Korean fried chicken with local beer; explore markets like Gwangjang for bindaetteok and street snacks. Popular areas include Hongdae for youth culture, Insadong for crafts and tea houses, and Gangnam for upscale dining and modern malls.

Best Time to Fly

The most comfortable months are April–May and September–October, with mild temperatures and lower humidity. June–August brings heat and monsoon periods, while December–February is cold but can be good value outside holiday peaks. Prices often rise around Lunar New Year (Seollal) and Chuseok, plus summer school vacations; aim for mid-week departures to save. Shoulder-season flights may offer better deals, commonly around ₩250,000–₩350,000 (about $190–$270) round trip when booked in advance.

AI-Generated Content: This information was compiled using AI from web sources on Dec 25, 2025. Content may not be current; please verify with airlines before booking.

Airport Information

Departure Airport

Ulaanbaatar Chinggis Khaan International Airport

ICAO Code:
ZMCK
IATA Code:
UBN
City:
🇲🇳 Ulaanbaatar (Sergelen)
Country:
MN
Elevation:
4482 ft

Destination Airport

Incheon International Airport

ICAO Code:
RKSI
IATA Code:
ICN
City:
🇰🇷 Seoul
Country:
KR
Elevation:
23 ft

Route Statistics

6

Operators

8

Tracked Flights

1500

Miles

2h 53m

Flight Duration

Route Map

Great Circle
Flight route map from Ulaanbaatar (Sergelen) to Seoul

Operating Airlines

Airline ICAO IATA
Mongolian MGL OM
Korean Air KAL KE
Aero Mongolia MNG M0
Asiana AAR OZ
Jeju Air JJA 7C
Tway Air TWB TW

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 77 15%
Tuesday 59 11%
Wednesday 92 18%
Thursday 82 16%
Friday 67 13%
Saturday 74 14%
Sunday 66 13%

Pattern Analysis

8 Tracked Flights:
Data Points: 517
API observations used to build this analysis
Weekdays: 377 flights
Weekend: 140 flights
Business Route More active on weekdays

All Flight Routes

6 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
A319 11:30 11:30 AM (Representative)
M T W T F S S
Jul 3, 2026 Active
Asiana
AAR / OZ
A21N 00:25 12:25 AM (Representative)
M T W T F S S
Jul 3, 2026 Active
Jeju Air
JJA / 7C
B738 13:40 1:40 PM (Representative)
M T W T F S S
Jul 3, 2026 Active
Korean Air
KAL / KE
A333 13:00 1:00 PM (Representative)
M T W T F S S
Jul 3, 2026 Active
Mongolian
MGL / OM
A319 11:30 11:30 AM (Representative)
M T W T F S S
Jul 3, 2026 Active
Tway Air
TWB / TW
- B738 -
M T W T F S S
Jul 3, 2026 Active
Total Routes: 6
Active Routes: 6
Unique Airlines: 6
Aircraft Types: 6

Spotted Departure Times

Departure Time Operator ICAO IATA
00:25 12:25 AM Asiana AAR OZ
11:30 11:30 AM Aero Mongolia MNG M0
11:30 11:30 AM Mongolian MGL OM
13:00 1:00 PM Korean Air KAL KE
13:40 1:40 PM Jeju Air JJA 7C

Time Information

Times are shown in the departure airport's local timezone (ZMCK - Asia/Ulaanbaatar).

Total Departure Times: 5
Time Range:
00:25 - 13:40
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.