Explore the cheapest one-way and round-trip flights from Seoul to Chinggis Khaan International Airport over the next 90 days, with one-way fares from US$129 and round-trip from US$256. Based on Trip.com's latest 7-day flight data.

Displayed flight fares from Seoul to Chinggis Khaan International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Seoul to Chinggis Khaan International Airport

Which month offers the lowest one-way fares from Seoul to Chinggis Khaan International Airport?

Data is based on the past 12 months. It shows the average one-way fares by month for flights from Seoul to Chinggis Khaan International Airport on Trip.com.

Based on Trip.com data from the past 12 months, the lowest-priced month for one-way flights from Seoul to Chinggis Khaan International Airport is March, with an average fare of US$90. The most expensive month is usually July, with average fares reaching US$168.

US$168
US$129
US$90
US$51
    Cheapest
  • US$118
    Oct
  • US$103
    Nov
  • US$101
    Dec
  • US$112
    Jan
  • US$113
    Feb
  • US$90
    Mar
  • US$119
    Apr
  • US$131
    May
  • US$128
    Jun
  • US$168
    Jul
  • US$144
    Aug
  • US$119
    Sep

Which month offers the lowest round-trip fares from Seoul to Chinggis Khaan International Airport?

Data is based on the past 12 months. It shows the average round-trip fares by month for flights from Seoul to Chinggis Khaan International Airport on Trip.com.

Based on Trip.com data from the past 12 months, July usually offers the lowest round-trip fares from Seoul to Chinggis Khaan International Airport, with an average price of US$183. April is typically the most expensive month, with average fares reaching US$323.

US$323
US$253
US$183
US$113
    Cheapest
  • US$307
    Oct
  • US$274
    Nov
  • US$253
    Dec
  • US$305
    Jan
  • US$239
    Feb
  • US$273
    Mar
  • US$323
    Apr
  • US$270
    May
  • US$227
    Jun
  • US$183
    Jul
  • US$283
    Aug
  • US$279
    Sep

Which day of the week offers the cheapest flights from Seoul to Chinggis Khaan International Airport?

Data is based on the past 12 months. It shows the average fares by day of the week for flights from Seoul to Chinggis Khaan International Airport on Trip.com.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Seoul to Chinggis Khaan International Airport is Tuesday, when average fares are usually lower than other days. Avoid departing on Friday, as fares are typically the highest.

US$252
US$226
US$200
US$174
  • US$228
    Mon
  • US$200
    Tue
  • US$231
    Wed
  • US$213
    Thu
  • US$252
    Fri
  • US$234
    Sat
  • US$206
    Sun

Which airlines are the most popular for Seoul to Chinggis Khaan International Airport flights?

The most popular airlines flying from Seoul to Chinggis Khaan International Airport are Miat Mongolian Airlines, Jeju Air, and T'Way Air, among 10 carriers on this route. Jeju Air offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Miat Mongolian Airlines logo Miat Mongolian Airlines
Jeju Air logo Jeju Air
T'Way Air logo T'Way Air
Aero Mongolia logo Aero Mongolia
Asiana Airlines logo Asiana Airlines
Korean Air logo Korean Air
Air China logo Air China
Air Busan logo Air Busan
China Southern Airlines logo China Southern Airlines
Spring Airlines logo Spring Airlines

Flight Schedule from Seoul to Chinggis Khaan International Airport

Flight info.
Departure
Arrival
Weekly Schedule
  1. 7C5203

    11:30

    ICN

    3h 45m

    14:15

    UBN

    - M - W - - S
    Search
  2. OZ567

    20:20

    ICN

    3h 45m

    23:05

    UBN

    S - T - - F -
    Search
Find more flights and airlines

What to know about flights from Seoul to Chinggis Khaan International Airport?

Cheapest return ticket price US$248
Cheapest one-way flight price US$111
Cheapest month October
Peak season for travel January

FAQs for Seoul to Chinggis Khaan International Airport Flights

  • When are flight tickets from Seoul to Ulaanbaatar the cheapest?

    Airlines adjust prices for flights from Seoul to Ulaanbaatar based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • According to Trip.com's data, the lowest price is around US$528.
  • It takes about 3 hours 37 minutes to fly from Seoul to Ulaanbaatar.
    • The distance from Chinggis Khaan International Airport to downtown is about 26 km, by taxi about 40 minutes.
  • The earliest flight departs from Seoul at 07:45 and arrives in Ulaanbaatar at 10:25.
  • The latest flight departs from Seoul at 20:20 and arrives in Ulaanbaatar at 23:05.
  • Miat Mongolian Airlines operates 38 direct flights from Seoul (SEL) to Ulaanbaatar (ULN).
  • There are 2 airport(s) in Ulaanbaatar (ULN): Chinggis Khaan International Airport and Buyant Ukhaa International Airport.
  • One-way flights from Seoul to Chinggis Khaan International Airport currently start from US$129, and round-trip fares start from US$256. The lowest fare is currently available on flights operated by Jeju Air departing on Thu, Nov 26. Fares are subject to change based on availability.
  • Flights from Seoul to Chinggis Khaan International Airport are usually cheapest in March, with an average one-way fare of about US$90.
  • A direct flight from Seoul to Chinggis Khaan International Airport takes about 3 hours 17 minutes on average. Actual flight time may vary depending on the route, weather and air traffic.
  • Enter your Seoul and Chinggis Khaan International Airport, select your departure date and number of passengers, then compare flights by price, flight duration and baggage allowance. Once you've chosen a fare, review the change and cancellation policy, fill in your passenger details and pay to receive your booking confirmation.
  • Yes. Miat Mongolian Airlines, Korean Air and Jeju Air operate direct flights from Seoul to Chinggis Khaan International Airport. The flight time is approximately 3 hours 18 minutes, with about 42 flights per week. Actual flight frequency may vary by season.
  • The latest flight from Seoul to Chinggis Khaan International Airport departs at 20:20, with approximately 9 flights per day. Flight schedules may change, so please check the latest departure times before traveling.
  • Ulaanbaatar has 1 airports reachable by flights departing from Seoul, including Chinggis Khaan International Airport. When choosing an airport, consider its distance to the city center and route coverage.

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.