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Cheapest flights from Seoul to Ulaanbaatar
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.
Remember that on average the ideal time to book flights is 2 months before departure!
In different months, ticket prices from Seoul to Ulaanbaatar vary: minimum — $131 (November 2026), maximum — $320 (February 2027). Typically, the flight costs $199–$205.
Airlines operating on route
Non-stop flights from Seoul to Ulaanbaatar
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.
Schedule of direct flights from Seoul to Ulaanbaatar
Of the 4 airlines serving Seoul — Ulaanbaatar, only a handful fly every day — MIAT Mongolian Airlines and Korean Air. Asiana Airlines flies every day except Thursday and Friday. Jeju Air only flies on Sunday, Tuesday, and Thursday.
Seoul airports overview
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Ulaanbaatar airports overview
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Frequently asked questions (FAQ)
Answers to questions about the route that travelers are most interested in.
Special offers and sales on air tickets from Seoul to Ulaanbaatar
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.
Alternative routes
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Cheapest one way flight
$136
Jeju Air
Direct flight
3h 45m
12/08/2026
The cheapest one-way flight from Seoul to Ulaanbaatar departs on 12/08/2026, is operated by Jeju Air and costs $136
Cheapest round trip flight
$281
Jeju Air
Direct flight
6h 55m
11/17/2026
The cheapest roundtrip flight from Seoul to Ulaanbaatar departs on 11/17/2026, is operated by Jeju Air and costs $281
The fastest flight
3h 35m
Fastest flight from Seoul to Ulaanbaatar takes 3h 35m
Direct flights
Several times a week
There are direct flights on this route 3 days a week: Su, Tu, and Th
Earliest flight
7:45 AM
Latest flight
11:55 PM
Average flight duration
3h 33m
Direct flights count
34
Distance
1991km
Timezone difference
1h
The distance between Seoul and Ulaanbaatar is 1991km (1234 miles). The average flight duration is 3h 33m. There are 34 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 11:55 PM
November 2026
Lowest price
on average:
$131
February 2027
Highest price
on average:
$320
Avg Price
Price dynamics
Prices on the Seoul — Ulaanbaatar route are consistently going up. From October 2026 to July 2027, tickets went from $199 to $242 — a 21% increase. This trend is worth considering when planning your trip.
Cheaper and more expensive periods
The most significant price increase was from November 2026 to February 2027 — up 145%. The best time to fly is November 2026–December 2026, when the average price is $136. In February 2027–March 2027, tickets cost around $253.
Best time to buy
Given the rising prices, it's best not to delay your purchase. Flying in November 2026–December 2026 can save you up to 46% compared to the most expensive months.
Price predictability
Price variation across months on this route is 27.7%. Your choice of departure month significantly affects the total flight cost.
The route Seoul — Ulaanbaatar is served by many carriers — 5 in total, including Jeju Air, Asiana Airlines, Korean Air, MIAT Mongolian Airlines, and Air China. This gives passengers wide opportunities: from finding the lowest fare (from $136) 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.
What is the cheapest price for flights from Seoul to Ulaanbaatar?
The cheapest flight ticket from Seoul to Ulaanbaatar according to data for the last 48 hours costs $136
When is the best time to buy air tickets on the route Seoul — Ulaanbaatar?
Often the best time to buy tickets from Seoul to Ulaanbaatar is 2 months before departure.
When is the cheapest time of year to fly from Seoul to Ulaanbaatar?
Based on statistics over the past years, the lowest prices for flights from Seoul to Ulaanbaatar can be found flying in these months: November, December, January.
How long does it take to fly from Seoul to Ulaanbaatar?
The fastest flights from Seoul to Ulaanbaatar start from 3 hours 35 minutes in the air.
Which airline can fly direct from Seoul to Ulaanbaatar?
The following airlines operate direct flights on the route Seoul — Ulaanbaatar: Jeju Air
