$109+ Cheap flights from Incheon Intl (ICN) to Ulaanbaatar (UBN)
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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — UBN
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Incheon Intl to Ulaanbaatar 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 Incheon Intl to Ulaanbaatar Chinggis Khaan are usually found in March or November, booked 29 days in advance, depart on a Thursday or Sunday and return on a Saturday
Cheap flight deals from Incheon Intl to Ulaanbaatar
Cheapest
Best
Last-minute
One-way
Cheapest flights from Incheon Intl to UlaanbaatarExplore the most affordable flight options available from Incheon Intl to Ulaanbaatar. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Incheon Intl to Ulaanbaatar. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Jeju Air deal was found by Cheapflights users on 9/5. 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.
Sun 9/2710:00 am -
Nonstop3h 40m
Thu 10/11:40 pm -
Nonstop3h 15m
Deal found 9/5![Jeju Air logo]()
$344
This Jeju Air deal was found by Cheapflights users on 9/7. 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.
Tue 9/2910:00 am -
Nonstop3h 40m
Thu 10/11:40 pm -
Nonstop3h 15m
Deal found 9/7![Jeju Air logo]()
$345
This CheapOair deal was found by Cheapflights users on 9/9. 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.
Sun 10/1110:00 am -
Nonstop3h 40m
Wed 10/1411:30 am -
Nonstop3h 00m
Deal found 9/9![Multiple Airlines logo]()
$347
This Jeju Air deal was found by Cheapflights users on 9/6. 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.
Thu 11/511:30 am -
Nonstop3h 45m
Tue 11/103:15 pm -
Nonstop3h 10m
Deal found 9/6![Jeju Air logo]()
$348
This Jeju Air deal was found by Cheapflights users on 9/7. 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 12/311:30 am -
Nonstop3h 45m
Sun 12/63:15 pm -
Nonstop3h 10m
Deal found 9/7![Jeju Air logo]()
$349
This Jeju Air deal was found by Cheapflights users on 9/6. 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.
Thu 12/311:30 am -
Nonstop3h 45m
Thu 12/103:15 pm -
Nonstop3h 10m
Deal found 9/6![Jeju Air logo]()
$350
This Jeju Air deal was found by Cheapflights users on 9/7. 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.
Sun 11/111:30 am -
Nonstop3h 45m
Tue 11/33:15 pm -
Nonstop3h 10m
Deal found 9/7![Jeju Air logo]()
$352
This Jeju Air deal was found by Cheapflights users on 9/6. 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 12/111:30 am -
Nonstop3h 45m
Tue 12/83:15 pm -
Nonstop3h 10m
Deal found 9/6![Jeju Air logo]()
$353
This Jeju Air deal was found by Cheapflights users on 9/8. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:30 am -
Nonstop3h 45m
Tue 12/223:15 pm -
Nonstop3h 10m
Deal found 9/8![Jeju Air logo]()
$355
This Jeju Air deal was found by Cheapflights users on 9/9. 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 12/1511:30 am -
Nonstop3h 45m
Sun 12/203:15 pm -
Nonstop3h 10m
Deal found 9/9![Jeju Air logo]()
$356
This Jeju Air deal was found by Cheapflights users on 9/5. 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 10/2210:00 am -
Nonstop3h 40m
Sun 10/253:15 pm -
Nonstop3h 10m
Deal found 9/5![Jeju Air logo]()
$357
Best flights from Incheon Intl to UlaanbaatarDiscover carefully curated flight deals from Incheon Intl to Ulaanbaatar that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Incheon Intl to Ulaanbaatar that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Jeju Air deal was found by Cheapflights users on 9/6. 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.
Thu 10/1510:00 am -
Nonstop3h 40m
Thu 12/173:15 pm -
Nonstop3h 10m
Deal found 9/6![Jeju Air logo]()
$347
This Aero Mongolia deal was found by Cheapflights users on 9/9. 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 11/95:30 pm -
Nonstop3h 00m
Mon 11/1612:30 pm -
Nonstop3h 00m
Deal found 9/9![Aero Mongolia logo]()
$399
This Jeju Air deal was found by Cheapflights users on 9/9. 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 12/1511:30 am -
Nonstop3h 45m
Sun 12/203:15 pm -
Nonstop3h 10m
Deal found 9/9![Jeju Air logo]()
$356
This Aero Mongolia deal was found by Cheapflights users on 9/7. 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.
Wed 1/134:40 pm -
Nonstop2h 55m
Wed 2/1711:30 am -
Nonstop3h 00m
Deal found 9/7![Aero Mongolia logo]()
$403
This Jeju Air deal was found by Cheapflights users on 9/9. 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 12/2911:30 am -
Nonstop3h 45m
Tue 1/53:15 pm -
Nonstop3h 10m
Deal found 9/9![Jeju Air logo]()
$379
This Jeju Air deal was found by Cheapflights users on 9/9. 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 1/511:30 am -
Nonstop3h 45m
Thu 1/73:15 pm -
Nonstop3h 10m
Deal found 9/9![Jeju Air logo]()
$379
This Jeju Air deal was found by Cheapflights users on 9/5. 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.
Sun 9/2710:00 am -
Nonstop3h 40m
Tue 10/61:40 pm -
Nonstop3h 15m
Deal found 9/5![Jeju Air logo]()
$385
This Jeju Air deal was found by Cheapflights users on 9/8. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:30 am -
Nonstop3h 45m
Sun 12/133:15 pm -
Nonstop3h 10m
Deal found 9/8![Jeju Air logo]()
$392
This Jeju Air deal was found by Cheapflights users on 9/6. 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.
Sun 12/611:30 am -
Nonstop3h 45m
Tue 12/83:15 pm -
Nonstop3h 10m
Deal found 9/6![Jeju Air logo]()
$393
This Jeju Air deal was found by Cheapflights users on 9/6. 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.
Mon 9/2110:00 am -
Nonstop3h 40m
Thu 9/241:40 pm -
Nonstop3h 15m
Deal found 9/6![Jeju Air logo]()
$400
This Jeju Air deal was found by Cheapflights users on 9/5. 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 10/610:00 am -
Nonstop3h 40m
Sun 10/111:40 pm -
Nonstop3h 15m
Deal found 9/5![Jeju Air logo]()
$400
This Jeju Air deal was found by Cheapflights users on 9/9. 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 3/211:30 am -
Nonstop3h 45m
Sun 3/73:15 pm -
Nonstop3h 10m
Deal found 9/9![Jeju Air logo]()
$401
Last-minute flights from Incheon Intl to UlaanbaatarDiscover last-minute flight deals from Incheon Intl to Ulaanbaatar. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Incheon Intl to Ulaanbaatar. Data last updated September 10, 2026 and is based on user searches.
This Jeju Air deal was found by Cheapflights users on 9/6. 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.
Mon 9/1410:00 am -
Nonstop3h 40m
Tue 9/221:40 pm -
Nonstop3h 15m
Deal found 9/6![Jeju Air logo]()
$358
This Jeju Air deal was found by Cheapflights users on 9/5. 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.
Sun 9/2710:00 am -
Nonstop3h 40m
Thu 10/11:40 pm -
Nonstop3h 15m
Deal found 9/5![Jeju Air logo]()
$344
This Jeju Air deal was found by Cheapflights users on 9/9. 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 9/2710:00 am -
Nonstop3h 40m
Tue 9/291:40 pm -
Nonstop3h 15m
Deal found 9/9![Jeju Air logo]()
$360
This Jeju Air deal was found by Cheapflights users on 9/7. 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.
Tue 9/2910:00 am -
Nonstop3h 40m
Thu 10/11:40 pm -
Nonstop3h 15m
Deal found 9/7![Jeju Air logo]()
$345
This Justfly.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/810:00 am -
Nonstop3h 40m
Thu 10/293:15 pm -
Nonstop3h 10m
Deal found 9/9![Hahn Air Systems logo]()
$367
This CheapOair deal was found by Cheapflights users on 9/9. 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.
Sun 10/1110:00 am -
Nonstop3h 40m
Wed 10/1411:30 am -
Nonstop3h 00m
Deal found 9/9![Multiple Airlines logo]()
$347
This Jeju Air deal was found by Cheapflights users on 9/6. 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.
Sun 10/1110:00 am -
Nonstop3h 40m
Tue 10/201:40 pm -
Nonstop3h 15m
Deal found 9/6![Jeju Air logo]()
$365
This Jeju Air deal was found by Cheapflights users on 9/6. 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 10/1310:00 am -
Nonstop3h 40m
Thu 10/151:40 pm -
Nonstop3h 15m
Deal found 9/6![Jeju Air logo]()
$352
This Jeju Air deal was found by Cheapflights users on 9/5. 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 10/2210:00 am -
Nonstop3h 40m
Sun 10/253:15 pm -
Nonstop3h 10m
Deal found 9/5![Jeju Air logo]()
$357
One-way flights from Incheon Intl to UlaanbaatarSearch for one-way flight options from Incheon Intl to Ulaanbaatar. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Incheon Intl to Ulaanbaatar. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:30 am -
Nonstop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Jeju Air logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:30 am -
Nonstop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Jeju Air logo]()
$110
This Jeju Air deal was found by Cheapflights users on 9/6. 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 11/2411:30 am -
Nonstop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Jeju Air logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:30 am -
Nonstop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Jeju Air logo]()
$142
This Jeju Air deal was found by Cheapflights users on 9/8. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:30 am -
Nonstop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Jeju Air logo]()
$150
This Jeju Air deal was found by Cheapflights users on 9/6. 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 12/811:30 am -
Nonstop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Jeju Air logo]()
$151
This Jeju Air deal was found by Cheapflights users on 9/6. 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 1/511:30 am -
Nonstop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Jeju Air logo]()
$154
This Jeju Air deal was found by Cheapflights users on 9/6. 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.
Thu 12/311:30 am -
Nonstop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Jeju Air logo]()
$169
This Jeju Air deal was found by Cheapflights users on 9/8. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:30 am -
Nonstop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Jeju Air logo]()
$171
This Jeju Air deal was found by Cheapflights users on 9/9. 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 11/811:30 am -
Nonstop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Jeju Air logo]()
$173
Find flight deals from Incheon Intl to Ulaanbaatar
Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Ulaanbaatar (UBN). 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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (Jeju Air) |
One-way from | $109 (Kiwi.com) |
Popular in | October |
Cheapest in | March |
Average price | $355 |
Cheapflights Fare Finder
Customize your flight search to find flights from Incheon Intl to Ulaanbaatar 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 September 10, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Ulaanbaatar that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IncheonUlaanbaatar
ICN Incheon Intl - UBN Ulaanbaatar Chinggis Khaan
ICNUBN
Incheon Intl
Tue 11/24
11:30 am-2:15 pm
Nonstop3h 45m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$126
IncheonUlaanbaatar
ICN Incheon Intl - UBN Ulaanbaatar Chinggis Khaan
ICNUBN
Incheon Intl
Sun 10/25
11:30 am-2:15 pm
Nonstop3h 45m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$133
IncheonUlaanbaatar
ICN Incheon Intl - UBN Ulaanbaatar Chinggis Khaan
ICNUBN
Incheon Intl
Tue 12/15
11:30 am-2:15 pm
Nonstop3h 45m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$150
IncheonUlaanbaatar
ICN Incheon Intl - UBN Ulaanbaatar Chinggis Khaan
ICNUBN
Incheon Intl
Tue 12/8
11:30 am-2:15 pm
Nonstop3h 45m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$151
IncheonUlaanbaatar
ICN Incheon Intl - UBN Ulaanbaatar Chinggis Khaan
ICNUBN
Incheon Intl
Sun 11/8
11:30 am-2:15 pm
Nonstop3h 45m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$173
Quickest round-trip
IncheonUlaanbaatar
ICN Incheon Intl - UBN Ulaanbaatar Chinggis Khaan
ICNUBN
Incheon Intl
Wed 9/16
10:40 am-1:20 pm
Nonstop3h 40m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$183
IncheonUlaanbaatar
ICN Incheon Intl - UBN Ulaanbaatar Chinggis Khaan
ICNUBN
Incheon Intl
Thu 12/10
11:30 am-2:15 pm
Nonstop3h 45m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$190
IncheonUlaanbaatar
ICN Incheon Intl - UBN Ulaanbaatar Chinggis Khaan
ICNUBN
Incheon Intl
Sun 12/6
11:30 am-2:15 pm
Nonstop3h 45m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$190
IncheonUlaanbaatar
ICN Incheon Intl - UBN Ulaanbaatar Chinggis Khaan
ICNUBN
Incheon Intl
Thu 12/17
11:30 am-2:15 pm
Nonstop3h 45m
Ulaanbaatar Chinggis Khaan
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$190
IncheonUlaanbaatar
ICN Incheon Intl - UBN Ulaanbaatar Chinggis Khaan
ICNUBN
Incheon Intl
Thu 10/15
10:00 am-12:40 pm
Nonstop3h 40m
Ulaanbaatar Chinggis Khaan
Thu 12/17
3:15 pm-7:25 pm
Nonstop3h 10m
$347
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Incheon Intl to Ulaanbaatar
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 Incheon Intl to Ulaanbaatar in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Incheon Intl Airport-Ulaanbaatar flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Ulaanbaatar flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Ulaanbaatar flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Incheon Intl Airport-Ulaanbaatar 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 Incheon Intl Airport-Ulaanbaatar 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 Incheon Intl to Ulaanbaatar
Have a flexible travel schedule? Discover the best time to fly to Ulaanbaatar from Incheon Intl with our price prediction graph.
ICN-UBN
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 Incheon Intl Airport to Ulaanbaatar
Prices
Airlines
Delays
How far ahead should I book a flight from Incheon Intl Airport to Ulaanbaatar?
The price you pay for your flight from Incheon Intl Airport to Ulaanbaatar may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Incheon Intl Airport to Ulaanbaatar?
Currently, March is the cheapest month in which you can book a flight from Incheon Intl Airport to Ulaanbaatar (average of $231). Flying from Incheon Intl Airport to Ulaanbaatar in October is currently the most expensive (average of $539). 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 ICN to UBN?
Find hourly flight availability from Incheon Intl to Ulaanbaatar. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 10, 2026.
A simple way to save on the total cost of your ticket is to fly from Incheon Intl Airport to Ulaanbaatar in the morning. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight in the evening.
What is the cheapest day to fly from Incheon Intl Airport to Ulaanbaatar?
Use this chart to determine the cheapest time to fly round-trip from Incheon Intl to Ulaanbaatar. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Incheon Intl Airport to Ulaanbaatar flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Incheon to Ulaanbaatar delayed?
About 16% of weekly flights between Incheon and Ulaanbaatar have experienced delays in the past year, with the average delay time being 106 minutes.
What is the most punctual flight time for Incheon to Ulaanbaatar flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Incheon to Ulaanbaatar flights?
Over the last year, MIAT Mongolian have had the lowest number of delays on this route, with just 8% of flights being delayed.
Reviews of airlines servicing Ulaanbaatar
Get insights into the airlines that provide service to Ulaanbaatar. 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 Ulaanbaatar. Reviews last updated September 10, 2026.
Peruse reviews from past customers who have flown with Korean Air,Asiana Airlines, andJeju Air from Incheon Intl Airport to Ulaanbaatar to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.3
Food
8.1
Boarding
8.5
Crew
8.7
Overall
8.4
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Food
8.1
Boarding
8.5
Crew
8.7
Overall
8.4
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Food
8.1
Boarding
8.5
Crew
8.7
Overall
8.4
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Food
8.1
Boarding
8.5
Crew
8.7
Overall
8.4
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from Incheon Intl to Ulaanbaatar. 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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Incheon Intl and Ulaanbaatar flights
Browse other Incheon Intl and Ulaanbaatar flight options. Last updated on September 10, 2026.
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Top 6 airlines flying from Incheon Intl to Ulaanbaatar
Discover the top 6 airlines that operate flights from Incheon Intl to Ulaanbaatar. 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 September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$190 | Average$323 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$220 | Average$408 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$262 | Average$518 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$283 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$296 | Average$391 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$378 | Average$485 | FlexibilityNo cancel fee | On-time81% |