Cheap flights from Ulaanbaatar to Seoul

Buyant-Ukhaa
ULN
Seoul
SEL

Flight deals from Ulaanbaatar to Seoul

Below you can see the best deals on flights Ulaanbaatar — Seoul for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

Top 10 cheap flights from Ulaanbaatar to Seoul

When is the best time to book a flight from Ulaanbaatar to Seoul?

The price of a flight from Ulaanbaatar to Seoul changes depending on how far ahead you book. For the best chance of a lower fare, book around 30 days before departure, when the average ticket costs about $660. Fares also tend to climb as the departure date gets closer.

About the Ulaanbaatar — Seoul flight

Looking for cheap flights from Ulaanbaatar to Seoul? Compare fares from different airlines, check the flight schedule and travel time — and book your Ulaanbaatar — Seoul ticket online at the best price.

The route has direct flights — around 168 flights per week, flights are operated by Korean Air, MIAT, Aero Mongolia, Jeju Air and 6 more airlines, a nonstop flight takes about 3 h, the distance between the cities is around 1,998 km.

Planning your trip? You may find our Seoul travel guide, how to get from the airport into town and Seoul weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

YesDirect flights
1,998 kmDistance
3 hTravel time
10Airlines
168 / wkFlights

Flight schedule from Ulaanbaatar to Seoul

The table shows direct flights from Ulaanbaatar to Seoul on the selected date. The flight takes approximately 3 h. Regular flights are operated by Korean Air, MIAT, Aero Mongolia and Jeju Air. Departures from Chinggis Khaan International Airport airports, arrivals at Incheon International Airport and Gimpo International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 14 Aug 2026

Prices by month

Average one-way fares from Ulaanbaatar to Seoul by month. Tickets are usually cheapest in September (around $193) and priciest in July (about $399) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$278mediumMay$375highSep$193low
Feb$290mediumJun$350highOct$254low
Mar$290mediumJul$399highNov$242low
Apr$314mediumAug$399highDec$363high

Some values are estimated based on seasonality.

When to fly

Weather in Seoul: it is warmest in August (up to 29 °C on average) and coolest in January (around 2 °C). The driest month is January.

Temperature · Seoul

Dry and wet days · Seoul

Wind speed and direction · Seoul

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How to get the best deal on a Ulaanbaatar — Seoul ticket

  • Book ahead: fares for Ulaanbaatar — Seoul are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Ulaanbaatar — Seoul route are operated by 10 airlines; Korean Air runs the most flights (around 43% of all flights). Compare carriers, flight shares and schedules below.

  • Korean AirKE
    24x/week
    WebsiteFleet: 16025M pax/year
    • Direct flight UBN → ICN24x/week
      Duration
      3h 9m
      Days
      MTWTFSS
    42.9%Open →
  • MIATOM
    18x/week
    WebsiteFleet: 141M pax/year
    • Direct flight UBN → ICN18x/week
      Duration
      3h 10m
      Days
      MTWTFSS
    31.5%Open →
  • Aero MongoliaM0
    4x/week
    WebsiteFleet: 3150k pax/year
    • Direct flight UBN → ICN4x/week
      Duration
      2h 59m
      Days
      MTWTFSS
    6.5%Open →
  • Jeju Air7C
    3x/week
    WebsiteFleet: 4213.4M pax/year
    • Direct flight UBN → ICN3x/week
      Duration
      3h 15m
      Days
      MTWTFSS
    6.0%Open →
  • Asiana AirlinesOZ
    3x/week
    WebsiteFleet: 6916M pax/year
    • Direct flight UBN → ICN3x/week
      Duration
      3h 20m
      Days
      MTWTFSS
    6.0%Open →
  • T'way AirTW
    3x/week
    WebsiteFleet: 3810M pax/year
    • Direct flight UBN → ICN3x/week
      Duration
      3h 5m
      Days
      MTWTFSS
    4.8%Open →
  • EtihadEY
    1x/week
    WebsiteFleet: 9714M pax/year
    • Direct flight UBN → ICN1x/week
    0.6%Open →
  • DeltaDL
    1x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight UBN → ICN1x/week
    0.6%Open →
  • XFXF
    1x/week
    • Direct flight UBN → ICN1x/week
      Days
      MTWTFSS
    0.6%
  • Hahn Air SystemsH1
    1x/week
    WebsiteFleet: 3
    • Direct flight UBN → ICN1x/week
    0.6%Open →

Cities and airports on the Ulaanbaatar — Seoul route

Flights Ulaanbaatar — Seoul depart from Chinggis Khaan International Airport and arrive at Incheon International Airport and Gimpo International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Ulaanbaatar

ULN
Mongolia
About the cityHow to get thereWeatherAll about the country Mongolia
Arrival

Seoul

SEL
Korea, Republic Of
About the cityHow to get thereWeatherAll about the country Korea, Republic Of
Departure airports
Arrival airports

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Frequently asked questions about the Ulaanbaatar — Seoul flight

How long is the flight from Ulaanbaatar to Seoul?

A nonstop Ulaanbaatar — Seoul flight takes about 3 h — the distance between the cities is around 1,998 km.

How far is it from Ulaanbaatar to Seoul?

The distance from Ulaanbaatar to Seoul is about 1,998 km, which a nonstop flight covers in around 3 h.

Are there direct flights from Ulaanbaatar to Seoul?

Yes, there are nonstop flights Ulaanbaatar — Seoul — around 168 flights per week.

Which airlines fly from Ulaanbaatar to Seoul?

Airlines operating Ulaanbaatar — Seoul include Korean Air, MIAT, Aero Mongolia, Jeju Air, Asiana Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Ulaanbaatar — Seoul flights use?

Flights from Ulaanbaatar depart from Chinggis Khaan International Airport, and arrive at Incheon International Airport, Gimpo International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Ulaanbaatar to Seoul?

The price of a Ulaanbaatar — Seoul ticket depends on your travel date, season and demand. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Ulaanbaatar — Seoul?

Flights Ulaanbaatar — Seoul are usually cheaper when booked in advance — a few weeks before departure and away from peak dates. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Ulaanbaatar to Seoul?

To catch a low fare Ulaanbaatar — Seoul, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Ulaanbaatar

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Where else you can fly from Seoul

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Jeju CityTokyoOsakaShanghaiBusanHong KongFukuokaBangkokQingdaoTaipeiBeijingDa NangHo Chi Minh CitySingaporeHanoiNagoyaNha TrangManilaLos AngelesSapporoCebu CityPhu QuocKuala LumpurDenpasarOkinawaHagatnaGuangzhouDalianYanjiJakartaSeattleNew York CityShenzhenMacauYantaiTashkentShenyangSan FranciscoParisKaohsiung

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