Cheap Flights from Seoul (ICN) to Ulaanbaatar (ULN)

Popular airlines from Incheon Intl. Airport (ICN) to Ulaanbaatar (ULN-Buyant-Ukhaa Intl.)

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Flights from Seoul (ICN) to Ulaanbaatar (ULN)
Origin airport
Incheon Intl.
Destination airport
Buyant-Ukhaa Intl.
Distance
1225 mi

Seoul to Ulaanbaatar Flights

The cheapest times to fly from Seoul to Ulaanbaatar

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Ulaanbaatar are during the month of . You can find some of the cheapest flights from Seoul to Ulaanbaatar with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Ulaanbaatar

Sunday is one of the best days to book for cheap flights from Seoul to Ulaanbaatar: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to Ulaanbaatar

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Ulaanbaatar in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Ulaanbaatar flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Ulaanbaatar airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How long does it take to fly from Seoul--Incheon Intl. Airport to Chinggis Khaan Intl. Airport (ULN)?
Mongolian Airways operates a direct flight taking off from Incheon Intl. Airport (ICN) at 2:00AM and touching down at Chinggis Khaan Intl. Airport (ULN) at 4:15AM — a total flight duration of 3 hours and 15 minutes. Secure the best seat available, pack something to keep you entertained and the time will rush by.
Is it cheaper to buy a plane ticket from Seoul--Incheon Intl. Airport to ULN last minute?
Being spontaneous is a fabulous way to travel the world, but it’s not always the smartest method to grab a bargain flight. Think about booking your ICN to ULN trip in advance rather than leaving it until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you get to your destination!
What airports do you fly into for Ulaanbaatar from Seoul?
Chinggis Khaan Intl. Airport (ULN) is the terminal where all Seoul to Ulaanbaatar flights come in to land. It’s situated roughly 8 mi southwest of central Ulaanbaatar. You’ll land unbeatable deals on flights, hotels, activities and more when arranging your Ulaanbaatar trip with Expedia.
What are the most popular departure times for flights from Incheon Intl. Airport (ICN) to ULN?
For Mongolian Airways flights jetting out from Incheon Intl. Airport (ICN) to Buyant-Ukhaa Intl. Airport, the most popular period is between 2:00 AM - 3:00 AM. If you’d like to avoid any holdups, head off in the morning. This way you’re more likely to escape the air traffic that builds up around airports in the afternoon.
Can I change the date of my flight from ICN to Buyant-Ukhaa Intl. Airport?
It’s so easy to make amendments to your ICN to Buyant-Ukhaa Intl. Airport journey yourself. Access your itinerary via the Expedia Trips portal and tap “change flight.” Search for new flights and lock in the one that works best. You’ll get an estimate of your flight change fee, if applicable. You can also find your way to our Customer Service portal to connect with our Virtual Agent and get answers to your questions.

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