$124+ Cheap flights from Ulaanbaatar (UBN) to Seoul (SEL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
UBN — SEL
Nov 9 — Nov 161
Round-trip
1 adult, Economy
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Find cheap flights from Ulaanbaatar to Seoul with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Ulaanbaatar Chinggis Khaan to Seoul are usually found in November or March, booked 71 days in advance, depart on a Saturday or Thursday and return on a Thursday
Cheap flight deals from Ulaanbaatar to Seoul
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Cheapest flights from Ulaanbaatar to SeoulExplore the most affordable flight options available from Ulaanbaatar to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2026.
Explore the most affordable flight options available from Ulaanbaatar to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/263:15 pm -
Nonstop3h 10m
Sun 11/2911:30 am -
Nonstop3h 45m
Deal found 10/5![Jeju Air logo]()
$261
This Booking.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:15 pm -
Nonstop3h 10m
Tue 11/1711:30 am -
Nonstop3h 45m
Deal found 10/7![Jeju Air logo]()
$281
This Jeju Air deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:15 pm -
Nonstop3h 10m
Thu 11/2611:30 am -
Nonstop3h 45m
Deal found 10/7![Jeju Air logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:15 pm -
Nonstop3h 10m
Thu 11/1911:30 am -
Nonstop3h 45m
Deal found 10/6![Jeju Air logo]()
$289
This CheapOair deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:15 pm -
Nonstop3h 10m
Thu 11/1911:30 am -
Nonstop3h 45m
Deal found 10/8![Multiple Airlines logo]()
$291
This Jeju Air deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:15 pm -
Nonstop3h 10m
Thu 11/1911:30 am -
Nonstop3h 45m
Deal found 10/7![Jeju Air logo]()
$294
This Booking.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:15 pm -
Nonstop3h 10m
Sun 11/1511:30 am -
Nonstop3h 45m
Deal found 10/7![Jeju Air logo]()
$296
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:50 am -
1 stop7h 20m
Mon 10/268:35 am -
1 stop7h 30m
Deal found 10/7![Multiple Airlines logo]()
$540
This Mytrip deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:30 pm -
2 stops15h 35m
Thu 11/126:50 pm -
2 stops18h 10m
Deal found 10/9![Multiple Airlines logo]()
$549
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:30 pm -
1 stop26h 40m
Thu 11/197:10 pm -
2 stops17h 50m
Deal found 10/9![Multiple Airlines logo]()
$551
This Gotogate deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:10 pm -
1 stop19h 55m
Fri 12/42:25 pm -
1 stop21h 15m
Deal found 10/7![Air China logo]()
$555
This FlightHub deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/224:10 pm -
1 stop19h 55m
Tue 12/292:25 pm -
1 stop25h 40m
Deal found 10/9![Air China logo]()
$556
Best flights from Ulaanbaatar to SeoulDiscover carefully curated flight deals from Ulaanbaatar to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 10, 2026.
Discover carefully curated flight deals from Ulaanbaatar to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 10, 2026.
This FlightHub deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:15 pm -
Nonstop3h 00m
Wed 11/45:30 pm -
Nonstop3h 30m
Deal found 10/9![Aero Mongolia logo]()
$372
This CheapOair deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:15 pm -
Nonstop3h 10m
Mon 11/95:45 pm -
Nonstop3h 15m
Deal found 10/9![Multiple Airlines logo]()
$382
This Jeju Air deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/223:15 pm -
Nonstop3h 10m
Tue 12/2911:30 am -
Nonstop3h 45m
Deal found 10/9![Jeju Air logo]()
$386
This MIAT Mongolian deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure MIAT Mongolian is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:45 am -
Nonstop3h 20m
Fri 11/201:20 pm -
Nonstop3h 45m
Deal found 10/6![MIAT Mongolian logo]()
$398
This Gotogate deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:10 pm -
1 stop19h 55m
Fri 12/42:25 pm -
1 stop21h 15m
Deal found 10/7![Air China logo]()
$555
This Aero Mongolia deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aero Mongolia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2812:15 pm -
Nonstop3h 00m
Mon 11/305:45 pm -
Nonstop3h 15m
Deal found 10/9![Aero Mongolia logo]()
$378
This MIAT Mongolian deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure MIAT Mongolian is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:45 am -
Nonstop3h 20m
Fri 11/201:20 pm -
Nonstop3h 45m
Deal found 10/6![MIAT Mongolian logo]()
$398
This Aero Mongolia deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aero Mongolia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:30 pm -
Nonstop3h 00m
Wed 11/185:30 pm -
Nonstop3h 30m
Deal found 10/6![Aero Mongolia logo]()
$387
This Aero Mongolia deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aero Mongolia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:30 pm -
Nonstop3h 05m
Mon 11/305:45 pm -
Nonstop3h 15m
Deal found 10/9![Aero Mongolia logo]()
$387
This Aero Mongolia deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aero Mongolia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2112:15 pm -
Nonstop3h 00m
Sat 11/285:30 pm -
Nonstop3h 30m
Deal found 10/7![Aero Mongolia logo]()
$387
This FlightHub deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:50 am -
1 stop24h 15m
Mon 11/232:25 pm -
1 stop21h 15m
Deal found 10/9![Air China logo]()
$585
This FlightHub deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/224:10 pm -
1 stop19h 55m
Tue 12/292:25 pm -
2 stops22h 35m
Deal found 10/6![Air China logo]()
$605
This Booking.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:50 am -
1 stop7h 20m
Thu 11/52:25 pm -
1 stop21h 15m
Deal found 10/9![Multiple Airlines logo]()
$766
This Trip.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2011:50 am -
1 stop24h 15m
Sun 1/242:25 pm -
1 stop21h 15m
Deal found 10/8![Air China logo]()
$652
This Justfly.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:10 pm -
1 stop19h 55m
Thu 11/122:25 pm -
1 stop25h 40m
Deal found 10/9![Air China logo]()
$662
This Booking.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:50 am -
1 stop24h 15m
Wed 11/182:25 pm -
1 stop21h 15m
Deal found 10/6![Air China logo]()
$667
This FlightHub deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:10 pm -
1 stop19h 55m
Thu 11/52:25 pm -
1 stop21h 15m
Deal found 10/6![Air China logo]()
$695
This Kiwi.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:10 pm -
1 stop19h 55m
Fri 11/202:25 pm -
1 stop21h 15m
Deal found 10/6![Air China logo]()
$762
This Booking.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2711:50 am -
1 stop24h 15m
Sun 1/32:25 pm -
2 stops22h 35m
Deal found 10/5![Air China logo]()
$799
Last-minute flights from Ulaanbaatar to SeoulDiscover last-minute flight deals from Ulaanbaatar to Seoul. Data last updated October 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ulaanbaatar to Seoul. Data last updated October 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:30 pm -
1 stop26h 40m
Thu 11/197:10 pm -
2 stops17h 50m
Deal found 10/9![Multiple Airlines logo]()
$551
This Mytrip deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:30 pm -
2 stops15h 35m
Thu 11/126:50 pm -
2 stops18h 10m
Deal found 10/9![Multiple Airlines logo]()
$549
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:50 am -
1 stop7h 20m
Mon 10/268:35 am -
1 stop7h 30m
Deal found 10/7![Multiple Airlines logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:10 pm -
1 stop21h 00m
Thu 11/126:40 pm -
2 stops18h 20m
Deal found 10/9![Multiple Airlines logo]()
$566
This Jeju Air deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:15 pm -
Nonstop3h 10m
Thu 11/2611:30 am -
Nonstop3h 45m
Deal found 10/7![Jeju Air logo]()
$284
This Jeju Air deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:15 pm -
Nonstop3h 10m
Thu 11/1911:30 am -
Nonstop3h 45m
Deal found 10/7![Jeju Air logo]()
$294
This Booking.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:15 pm -
Nonstop3h 10m
Tue 11/1711:30 am -
Nonstop3h 45m
Deal found 10/7![Jeju Air logo]()
$281
This Booking.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:15 pm -
Nonstop3h 10m
Sun 11/1511:30 am -
Nonstop3h 45m
Deal found 10/7![Jeju Air logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:15 pm -
Nonstop3h 10m
Thu 11/1911:30 am -
Nonstop3h 45m
Deal found 10/6![Jeju Air logo]()
$289
This CheapOair deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:15 pm -
Nonstop3h 10m
Thu 11/1911:30 am -
Nonstop3h 45m
Deal found 10/8![Multiple Airlines logo]()
$291
This Gotogate deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:10 pm -
1 stop19h 55m
Fri 12/42:25 pm -
1 stop21h 15m
Deal found 10/7![Air China logo]()
$555
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/263:15 pm -
Nonstop3h 10m
Sun 11/2911:30 am -
Nonstop3h 45m
Deal found 10/5![Jeju Air logo]()
$261
One-way flights from Ulaanbaatar to SeoulSearch for one-way flight options from Ulaanbaatar to Seoul. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
Search for one-way flight options from Ulaanbaatar to Seoul. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
This Jeju Air deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/263:15 pm -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Jeju Air logo]()
$124
This Jeju Air deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/243:15 pm -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Jeju Air logo]()
$134
This Jeju Air deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/223:15 pm -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Jeju Air logo]()
$144
This Super.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/63:15 pm -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Jeju Air logo]()
$152
This Jeju Air deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:15 pm -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Jeju Air logo]()
$153
This Jeju Air deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/293:15 pm -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Jeju Air logo]()
$156
This FlightHub deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/313:15 pm -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Hahn Air Systems logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/173:15 pm -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Jeju Air logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:15 pm -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Jeju Air logo]()
$172
This Booking.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/274:10 pm -
1 stop19h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Air China logo]()
$254
This Booking.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:50 am -
1 stop24h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Air China logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:00 pm -
2 stops23h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$258
Find flight deals from Ulaanbaatar to Seoul
Discover tips and strategies to find the most affordable flight options for your journey from Ulaanbaatar (UBN) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $252 (Booking.com) |
One-way from | $124 (Jeju Air) |
Popular in | August |
Cheapest in | November |
Average price | $383 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ulaanbaatar to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 10, 2026.
Use the filters below to find and compare flights from Ulaanbaatar to Seoul that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
UlaanbaatarIncheon
UBN Ulaanbaatar Chinggis Khaan - ICN Incheon Intl
UBNICN
Ulaanbaatar Chinggis Khaan
Tue 11/24
3:15 pm-7:25 pm
Nonstop3h 10m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$134
UlaanbaatarIncheon
UBN Ulaanbaatar Chinggis Khaan - ICN Incheon Intl
UBNICN
Ulaanbaatar Chinggis Khaan
Sun 12/6
3:15 pm-7:25 pm
Nonstop3h 10m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$152
UlaanbaatarIncheon
UBN Ulaanbaatar Chinggis Khaan - ICN Incheon Intl
UBNICN
Ulaanbaatar Chinggis Khaan
Tue 11/10
3:15 pm-7:25 pm
Nonstop3h 10m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$153
UlaanbaatarIncheon
UBN Ulaanbaatar Chinggis Khaan - ICN Incheon Intl
UBNICN
Ulaanbaatar Chinggis Khaan
Thu 11/12
3:15 pm-7:25 pm
Nonstop3h 10m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$153
UlaanbaatarIncheon
UBN Ulaanbaatar Chinggis Khaan - ICN Incheon Intl
UBNICN
Ulaanbaatar Chinggis Khaan
Thu 10/29
3:15 pm-7:25 pm
Nonstop3h 10m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$201
UlaanbaatarIncheon
UBN Ulaanbaatar Chinggis Khaan - ICN Incheon Intl
UBNICN
Ulaanbaatar Chinggis Khaan
Thu 10/22
1:40 pm-5:55 pm
Nonstop3h 15m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
UlaanbaatarIncheon
UBN Ulaanbaatar Chinggis Khaan - ICN Incheon Intl
UBNICN
Ulaanbaatar Chinggis Khaan
Sun 10/25
3:15 pm-7:25 pm
Nonstop3h 10m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
UlaanbaatarSeoul
UBN Ulaanbaatar Chinggis Khaan - GMP Seoul Gimpo Intl
UBNGMP
Ulaanbaatar Chinggis Khaan
Tue 11/24
11:50 am-1:05 pm
1 stop24h 15m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$272
UlaanbaatarSeoul
UBN Ulaanbaatar Chinggis Khaan - GMP Seoul Gimpo Intl
UBNGMP
Ulaanbaatar Chinggis Khaan
Sun 12/6
11:50 am-1:05 pm
1 stop24h 15m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$274
UlaanbaatarSeoul
UBN Ulaanbaatar Chinggis Khaan - GMP Seoul Gimpo Intl
UBNGMP
Ulaanbaatar Chinggis Khaan
Sun 10/18
4:30 pm-8:10 pm
1 stop26h 40m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$290
Showing 1-10 of 34 resultsSorted by cheapest first
Compare providers for flights from Ulaanbaatar to Seoul
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ulaanbaatar to Seoul in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ulaanbaatar-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ulaanbaatar-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ulaanbaatar-Seoul flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ulaanbaatar-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ulaanbaatar-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ulaanbaatar to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from Ulaanbaatar with our price prediction graph.
UBN-SEL
UBN-ICN
UBN-GMP
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ulaanbaatar to Seoul
UBN-SEL
UBN-ICN
UBN-GMP
What is the cheapest month to book a flight from Ulaanbaatar to Seoul?
Currently, November is the cheapest month in which you can book a flight from Ulaanbaatar to Seoul (average of $325). Flying from Ulaanbaatar to Seoul in August is currently the most expensive (average of $559). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from UBN to SEL?
Find hourly flight availability from Ulaanbaatar to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 10, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 27% on flights from Ulaanbaatar to Seoul by exploring options for tickets in the afternoon.
Weekly flight availability from Ulaanbaatar to Seoul
Explore weekly flight availability from Ulaanbaatar to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 10, 2026.
The most flights from UBN to SEL are scheduled on a Friday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Ulaanbaatar to Seoul?
Airfare is below average for this route at the moment.
Ulaanbaatar to Seoul flights typically cost between $289 and $418 in November.The cheapest round-trip price found within the last 5 days was $261 on Jeju Air (Nov 26-Nov 29).
How far ahead should I book a flight from Ulaanbaatar to Seoul?
The price you pay for your flight from Ulaanbaatar to Seoul may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Ulaanbaatar to Seoul?
Use this chart to determine the cheapest time to fly round-trip from Ulaanbaatar to Seoul. Price data was last updated on October 3, 2026.
Travelers seeking maximum savings on their Ulaanbaatar to Seoul flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Seoul
Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated October 10, 2026.
See what other customers who have flown with Korean Air,Asiana Airlines, andJeju Air from Ulaanbaatar to Seoul have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.4
Comfort
8.3
Crew
8.7
Boarding
8.5
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Overall
8.4
Comfort
8.3
Crew
8.7
Boarding
8.5
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Overall
8.4
Comfort
8.3
Crew
8.7
Boarding
8.5
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Overall
8.4
Comfort
8.3
Crew
8.7
Boarding
8.5
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Related info for your journey
Find useful and relevant information for your journey from Ulaanbaatar to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Ulaanbaatar and Seoul flights
Browse other Ulaanbaatar and Seoul flight options. Last updated on October 10, 2026.
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Other flights to Seoul
Explore flights to Seoul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 10, 2026.
Top 7 airlines flying from Ulaanbaatar to Seoul
Discover the top 7 airlines that operate flights from Ulaanbaatar to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$224 | Average$297 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$268 | Average$361 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$304 | Average$448 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$313 | Average$418 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$338 | Average$440 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$410 | Average$469 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$422 | Average$534 | FlexibilityNo cancel fee | On-time88% |