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Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Seoul to Ulaanbaatar. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Seoul to Ulaanbaatar, despite the fact that sometimes flights with transfers can cost significantly less.
Of the 4 airlines on the Seoul — Ulaanbaatar route, only one flies every day: MIAT Mongolian Airlines flies every day. Korean Air flies every day except Tuesday. Jeju Air flies on Sunday, Tuesday, and Thursday. Asiana Airlines flies on Monday, Wednesday, and Saturday.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The route Seoul — Ulaanbaatar is served by many carriers — 7 in total, including Jeju Air, Asiana Airlines, MIAT Mongolian Airlines, Korean Air, Air Busan, Air China, and T'way Air. This gives passengers wide opportunities: from finding the lowest fare (from $140) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.
starting at $140
starting at $170
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starting at $241
starting at $264
starting at $272
Seoul — Ulaanbaatar
08/30/2026
Departure
Direct flight
7C5203
starting at $140
Seoul — Ulaanbaatar
10/15/2026
Departure
Direct flight
7C5203
starting at $140
Seoul — Ulaanbaatar
09/13/2026
Departure
Direct flight
7C5203
starting at $158
Seoul — Ulaanbaatar
08/29/2026
Departure
Direct flight
7C5203
starting at $162
Seoul — Ulaanbaatar
10/21/2026
Departure
Direct flight
OZ567
starting at $170
Seoul — Ulaanbaatar
09/19/2026
Departure
Direct flight
OM310
starting at $178
Seoul — Ulaanbaatar
07/21/2026
Departure
Direct flight
7C5275
starting at $183
Seoul — Ulaanbaatar
06/09/2026
Departure
Direct flight
7C5203
starting at $188
Seoul — Ulaanbaatar
06/06/2026
Departure
Direct flight
7C5203
starting at $191
Seoul — Ulaanbaatar
08/23/2026
Departure
Direct flight
7C5203
starting at $194
Jeju Air
Su, Tu, and Th
starting at $109
Asiana Airlines
Mo, We, and Sa
starting at $149
MIAT Mongolian Airlines
Every day
starting at $173
Korean Air
Su, Mo, We, Th, Fr, and Sa
starting at $204
The cheapest one-way flight from Seoul to Ulaanbaatar departs on 08/30/2026, is operated by Jeju Air and costs $140
The cheapest roundtrip flight from Seoul to Ulaanbaatar departs on 08/30/2026, is operated by Jeju Air and costs $350
Fastest flight from Seoul to Ulaanbaatar takes 3h 20m
There are direct flights on this route 5 days a week: Su, Tu, We, Th, and Sa
The distance between Seoul and Ulaanbaatar is 1999km (1239 miles). The average flight duration is 3h 40m. There are 31 direct flights from Seoul to Ulaanbaatar. The time difference between Seoul and Ulaanbaatar is 1h. Flights from Seoul begin at 7:45 AM. The latest flight from Seoul departs at 12:05 AM
The cheapest flight ticket from Seoul to Ulaanbaatar according to data for the last 48 hours costs $140
Often the best time to buy tickets from Seoul to Ulaanbaatar is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Seoul to Ulaanbaatar can be found flying in these months: August, October, September.
The fastest flights from Seoul to Ulaanbaatar start from 3 hours 20 minutes in the air.
The following airlines operate direct flights on the route Seoul — Ulaanbaatar: Jeju Air, Asiana Airlines, MIAT Mongolian Airlines
In different months, ticket prices from Seoul to Ulaanbaatar vary: minimum — $140 (August 2026), maximum — $200 (December 2026). Typically, the flight costs $168–$183.
Flight costs for Seoul — Ulaanbaatar fluctuate noticeably — prices go up and down. There's no clear trend, but we've analyzed the data and found some benchmarks.
Despite the fluctuations, patterns exist: the cheapest period is August 2026–September 2026 — averaging $149. The most expensive is June 2026–July 2026 ($186). The difference reaches 20%.
With this kind of price behavior, it's worth comparing prices across several months and booking when a good deal appears. A good benchmark is August 2026–September 2026, where you can save up to 20%.
Price spread on this route is 14.1%. Costs vary significantly, so your choice of month can noticeably affect your travel budget.
