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Low Price Flights from Ulaanbaatar to Seoul

Find Cheapest Airlines Flying from Ulaanbaatar to Seoul

Choose from 5 carriers that fly from Ulaanbaatar to Seoul, including Miat Mongolian Airlines, Jeju Air, and Korean Air. Enjoy the cheapest tickets on this route with Jeju Air.
Miat Mongolian Airlines logo Miat Mongolian Airlines
Jeju Air logo Jeju Air
Korean Air logo Korean Air
Asiana Airlines logo Asiana Airlines
T'Way Air logo T'Way Air
Airlines are determined based on actual purchased flight tickets from Ulaanbaatar to Seoul according to previous 12 months data from Trip.com.

Explore the cheapest flights from Ulaanbaatar to Seoul in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at AU$ 202, and round-trip direct tickets start at AU$ 278.

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

Ulaanbaatar to Seoul Flight Details

The distance between Ulaanbaatar and Seoul is approximately 1,999.25km. It takes around 3 hours 12 minutes on average to fly from Ulaanbaatar to Seoul. Based on Trip.com's data travel demand peaks in August. The off-season for travel is September.

Cheapest one-way flight priceAU$ 202
Cheapest return ticket priceAU$ 278
Off-season for travelSeptember
Peak season for travelAugust
Flight distance1,999.25km
Average flight time3 hours 12 minutes
Popular airlineMiat Mongolian Airlines
Flight statistics for the Ulaanbaatar–Seoul route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Ulaanbaatar to Seoul

What is the cheapest month for one-way flights from Ulaanbaatar to Seoul?

Average price of one-way flights from Ulaanbaatar to Seoul purchased by Trip.com users by month over the past 12 months.

According to Trip.com's data, the cheapest month for flights from Ulaanbaatar to Seoul is February, with an average price of AU$ 184. Conversely, the most expensive month is typically August, with an average price of up to AU$ 289.

AU$ 289
AU$ 237
AU$ 184
AU$ 132
    Cheapest
  • AU$ 287
    Mar
  • AU$ 192
    Apr
  • AU$ 213
    May
  • AU$ 218
    Jun
  • AU$ 212
    Jul
  • AU$ 289
    Aug
  • AU$ 206
    Sep
  • AU$ 230
    Oct
  • AU$ 198
    Nov
  • AU$ 214
    Dec
  • AU$ 196
    Jan
  • AU$ 184
    Feb

What is the cheapest month for round-trip flights from Ulaanbaatar to Seoul?

Average price of round-trip flights from Ulaanbaatar to Seoul purchased by Trip.com users by month over the past 12 months.

According to historical data from Trip.com, the lowest prices for flights from Ulaanbaatar to Seoul are found during September, with an average price of AU$ 556. Conversely, the highest prices are found during August, with an average price of up to AU$ 674.

AU$ 674
AU$ 615
AU$ 556
AU$ 497
    Cheapest
  • AU$ 599
    Mar
  • AU$ 557
    Apr
  • AU$ 573
    May
  • AU$ 616
    Jun
  • AU$ 625
    Jul
  • AU$ 674
    Aug
  • AU$ 556
    Sep
  • AU$ 587
    Oct
  • AU$ 569
    Nov
  • AU$ 613
    Dec
  • AU$ 626
    Jan
  • AU$ 583
    Feb

What's the cheapest day to fly from Ulaanbaatar to Seoul?

Data is based on the average flight price for each day of the week from Ulaanbaatar to Seoul on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Ulaanbaatar to Seoul is Thursday, with average prices lower than on other days. Avoid Friday, as prices are usually highest then.

AU$ 375
AU$ 332
AU$ 289
AU$ 246
    Cheapest
  • AU$ 348
    Mon
  • AU$ 296
    Tue
  • AU$ 368
    Wed
  • AU$ 289
    Thu
  • AU$ 375
    Fri
  • AU$ 361
    Sat
  • AU$ 332
    Sun

When is the cheapest day to fly from Ulaanbaatar to Seoul during Good Friday?

Data is based on the lowest one-way fares from Ulaanbaatar to Seoul during Good Friday, sourced from the Trip.com database over the last 3 days.

During Good Friday, the cheapest flights from Ulaanbaatar to Seoul are on Apr 5, with the lowest fare of AU$ 218.

AU$ 887
AU$ 553
AU$ 218
0
    Cheapest
  • AU$ 304
    Mar 30
  • AU$ 420
    Mar 31
  • AU$ 341
    Apr 1
  • AU$ 887
    Apr 2
  • AU$ 268
    Apr 3
  • AU$ 233
    Apr 4
  • AU$ 218
    Apr 5

Flight FAQs

  • Which airlines offer the cheapest flights from Ulaanbaatar (ULN) to Seoul (SEL)?

    Based on Trip.com data, Jeju Air offers one-way fares as low as AU$ 202 on Cheapest nonstop routes (e.g. UBN to ICN on Thu, May 7), while Jeju Air offers Cheapest nonstop round-trips from AU$ 278 departing on Tue, Apr 21 and returning on Thu, Apr 23.
  • At the moment, you can catch a direct flight from Ulaanbaatar to Seoul with the following airlines, including: Miat Mongolian Airlines Jeju Air Korean Air Asiana Airlines T'Way Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 3 hours 12 minutes to fly from Ulaanbaatar (ULN) to Seoul (SEL).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Ulaanbaatar to Seoul is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 38 flight per week flying from Ulaanbaatar to Seoul. You can check the weekly schedule for popular airlines on this route below: Miat Mongolian Airlines: S/M/T/W/T/F/S -- OM301 (07:59) Korean Air: S/M/T/W/T/F/S -- KE5868 (07:59)
  • To find best deals on flights from Ulaanbaatar to Seoul, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, May 7, with one-way flights priced at just AU$ 202.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jeju Air.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seoul travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Ulaanbaatar to Seoul is September, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Ulaanbaatar to Seoul on March 19, 2026 with Jeju Air, with prices starting at AU$ 292.
  • You can land at any one of the following hubs in Seoul, with Chinggis Khaan International Airport to Incheon International Airport (UBN-ICN) is by far the most common option on this route: Gimpo International Airport (GMP) Incheon International Airport (ICN).
  • The time difference between Seoul and Ulaanbaatar is 1h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Ulaanbaatar toSeoul

Which airlines offer the cheapest nonstop flights from Ulaanbaatar to Seoul?

Data is based on the average price of all nonstop flights from Ulaanbaatar to Seoul on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, Jeju Air offers the cheapest nonstop flights from Ulaanbaatar to Seoul, with an average price of AU$ 255.

AU$ 177
AU$ 255
AU$ 333
AU$ 411
AU$ 489
Jeju Air
AU$ 255
Jeju Air
T'Way Air
AU$ 361
T'Way Air
Asiana Airlines
AU$ 401
Asiana Airlines
Air China
AU$ 426
Air China
Miat Mongolian Airlines
AU$ 434
Miat Mongolian Airlines
Korean Air
AU$ 489
Korean Air

Which airlines operate the most flights from Ulaanbaatar to Seoul?

Data is based on the number of flights from Ulaanbaatar to Seoul operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, Miat Mongolian Airlines operates the most flights from Ulaanbaatar to Seoul, with 21 flight per week.

0
3
12
21
Miat Mongolian Airlines
21
Miat Mongolian Airlines
Korean Air
20
Korean Air
Delta Air Lines
7
Delta Air Lines
Aero Mongolia
4
Aero Mongolia
Jeju Air
3
Jeju Air
Asiana Airlines
3
Asiana Airlines

How many flights are there each day from Ulaanbaatar to Seoul?

The data is based on the flight numbers for each day of the week from Ulaanbaatar to Seoul within the Trip.com database over the past month.

Based on Trip.com data from the past month, the most flights from Ulaanbaatar to Seoul depart on Sunday, and the fewest flights depart on Monday.

52
41
29
18
Highest
29
Mon
30
Tue
31
Wed
44
Thu
35
Fri
36
Sat
52
Sun