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Cheap flights from Ulaanbaatar (ULN) to Seoul (SEL)

ULN — SEL
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Ulaanbaatar to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Ulaanbaatar (ULN) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 30, 2025.

Good round-trip deal

$342 or less

Good one-way deal

$204 or less
Price to beat on a round-trip flight from Ulaanbaatar Buyant Ukhaa to Seoul (SEL).
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Price to beat on a one-way flight from Ulaanbaatar Buyant Ukhaa to Seoul (SEL).
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Best time to book a flight from Ulaanbaatar to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Ulaanbaatar with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ulaanbaatar to Seoul

What is the cheapest month to book a flight from Ulaanbaatar to Seoul?

Currently, February is the cheapest month in which you can book a flight from Ulaanbaatar to Seoul (average of $998). Flying from Ulaanbaatar to Seoul in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ULN to SEL?

Find hourly flight availability from Ulaanbaatar to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

One of the essential ways to save on airfare from Ulaanbaatar to Seoul is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 47% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Ulaanbaatar to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ulaanbaatar to Seoul?

    Ulaanbaatar Buyant Ukhaa (ULN) is the airport you will fly out of if you book a flight from Ulaanbaatar to Seoul. You should not have trouble finding flights to Seoul from Buyant Ukhaa; the airport handles an average of 0 outbound flights to Seoul per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Ulaanbaatar airport to Seoul. It is only a 8.1 mi journey to Buyant Ukhaa (ULN) from Ulaanbaatar’s city center.

  • Can I find deals for flights from Ulaanbaatar to Seoul that include hotel bookings?

    Yes. In addition to deals on Ulaanbaatar to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ulaanbaatar to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ulaanbaatar to Seoul.

  • Can I find deals for business class flights from Ulaanbaatar to Seoul?

    Yes. Cheapflights offers flight deals from Ulaanbaatar to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ulaanbaatar to Seoul?

    Currently, February is the cheapest month in which you can book a flight from Ulaanbaatar to Seoul (average of $998). Flying from Ulaanbaatar to Seoul in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Ulaanbaatar to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Ulaanbaatar to Incheon Intl flights

Top airline flying from Ulaanbaatar to Seoul

Discover the top airline that operate flights from Ulaanbaatar to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
MIAT MongolianCheapest$298Average$359FlexibilityNo cancel feeOn-time63%

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