Flights from Seoul to Ulaanbaatar from $309

Compare All SEL to UBN Flights

Prices are per person for one-way travel. Click “Book” to complete your reservation on the partner site.

2 of 2 flights

Airline	Schedule	Stops	Duration	Price
7C 7C · 5203	10:00 SEL 16:55 UBN	0 stop(s)	6h 55m	$309 Best	Book →
7C 7C · 5203	Schedule on partner site	Direct	—	$327	Book →

Airport Information

Key details about departure and arrival airports for this route

UBN

Ulaanbaatar Chinggis Khaan International Airport

City: Ulaanbaatar (Sergelen)
Country: MN
Type: Large Airport
Elevation: 4,482 ft

UBN Airport Guide →

Tips for Seoul to Ulaanbaatar Flights

Save money and travel smarter with these route-specific tips

📅 When to Book

Book SEL–UBN flights 6–8 weeks in advance for the best prices. Last-minute fares are typically 40–60% more expensive on this route.

💰 Price Trends

The average fare is $318, but prices as low as $309 are available.

✈ Direct vs Connecting

1 direct flight(s) available on this route , starting from $327 . Direct flights save you 2–5 hours of travel time.

📍 Flexible Dates

Flying midweek (Tuesday–Thursday) on SEL–UBN is typically 15–30% cheaper. Use our price comparison to spot the best day to fly.

Top Hotels in Ulaanbaatar

Book accommodation at your destination — top-rated stays near UBN airport

Ayanchin Hotel

Ulaanbaatar, 2★

10.0 $29/night

Spacious Entire Apartment in Embassy Area

Cozy comfy home in Downtown of UB city

Odno's apartment in UB, Mongolia

Ulaanbaatar

10.0 Check Price

Frequently Asked Questions

Everything you need to know about flying SEL to UBN

What is the cheapest flight from Seoul to Ulaanbaatar?

The cheapest flight from Seoul (SEL) to Ulaanbaatar (UBN) currently starts at $309 with 7C. Prices are updated regularly and may vary by date and availability.

How many airlines fly from SEL to UBN?

We found 1 airline(s) operating on the SEL–UBN route, including 7C.

Are there direct flights from Seoul to Ulaanbaatar?

Yes, there are 1 direct flight(s) available from SEL to UBN, with prices starting at $327.

What is the average flight price on this route?

The average flight price from Seoul to Ulaanbaatar is approximately $318. Prices range from $309 to $327 depending on airline, time, and class.

How long is the flight from SEL to UBN?

The average flight duration from Seoul to Ulaanbaatar is approximately 6 hours 55 minutes. Direct flights are typically shorter than connecting options.

What is the baggage allowance on SEL–UBN flights?

Baggage allowance varies by airline and fare class. Most economy fares on this route include 1 carry-on (7–8 kg) and 1 checked bag (20–23 kg). Always confirm baggage rules on the airline's site at booking — low-cost carriers may charge for checked bags.