Cheap Flights from Hong Kong (HKG) to Ulaanbaatar (UBN) from HK$1,480~

View HK$1,480 flight on Wed, 17 Sep 2025Opens in a new window

Popular airlines from Hong Kong International Airport (HKG) to Ulaanbaatar (UBN-Chinggis Khaan Intl.)

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Find Cheap Flights from Hong Kong (HKG) to Ulaanbaatar (UBN)

Prices were available within the past 7 days and start at HK$1,480 for one-way flights and HK$3,372 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

MIAT Mongolian Airlines
Sat, 20 Dec - Sat, 3 Jan
HKG
Hong Kong SAR
UBN
Ulaanbaatar
HK$3,372 Return, just found
HK$3,372
Return
just found
Select MIAT Mongolian Airlines flight, departing Sat, 20 Dec from Hong Kong SAR to Ulaanbaatar, returning Sat, 3 Jan, priced at HK$3,372 just found
MIAT Mongolian Airlines
Fri, 19 Dec - Fri, 26 Dec
HKG
Hong Kong SAR
UBN
Ulaanbaatar
HK$3,474 Return, just found
HK$3,474
Return
just found
Select MIAT Mongolian Airlines flight, departing Fri, 19 Dec from Hong Kong SAR to Ulaanbaatar, returning Fri, 26 Dec, priced at HK$3,474 just found
Air China
Mon, 1 Sep - Sat, 6 Sep
HKG
Hong Kong SAR
UBN
Ulaanbaatar
HK$3,490 Return, found 4 days ago
HK$3,490
Return
found 4 days ago
Select Air China flight, departing Mon, 1 Sep from Hong Kong SAR to Ulaanbaatar, returning Sat, 6 Sep, priced at HK$3,490 found 4 days ago
MIAT Mongolian Airlines
Sun, 7 Sep - Sun, 14 Sep
HKG
Hong Kong SAR
UBN
Ulaanbaatar
HK$3,572 Return, found 23 hours ago
HK$3,572
Return
found 23 hours ago
Select MIAT Mongolian Airlines flight, departing Sun, 7 Sep from Hong Kong SAR to Ulaanbaatar, returning Sun, 14 Sep, priced at HK$3,572 found 23 hours ago
Air China
Mon, 1 Sep - Sat, 6 Sep
HKG
Hong Kong SAR
UBN
Ulaanbaatar
HK$3,595 Return, found 4 days ago
HK$3,595
Return
found 4 days ago
Select Air China flight, departing Mon, 1 Sep from Hong Kong SAR to Ulaanbaatar, returning Sat, 6 Sep, priced at HK$3,595 found 4 days ago
MIAT Mongolian Airlines
Fri, 15 Aug - Sat, 23 Aug
HKG
Hong Kong SAR
UBN
Ulaanbaatar
HK$3,680 Return, found 15 hours ago
HK$3,680
Return
found 15 hours ago
Select MIAT Mongolian Airlines flight, departing Fri, 15 Aug from Hong Kong SAR to Ulaanbaatar, returning Sat, 23 Aug, priced at HK$3,680 found 15 hours ago
MIAT Mongolian Airlines
Thu, 24 Jul - Tue, 5 Aug
HKG
Hong Kong SAR
UBN
Ulaanbaatar
HK$3,772 Return, found 3 hours ago
HK$3,772
Return
found 3 hours ago
Select MIAT Mongolian Airlines flight, departing Thu, 24 Jul from Hong Kong SAR to Ulaanbaatar, returning Tue, 5 Aug, priced at HK$3,772 found 3 hours ago
Jeju Air
Tue, 8 Jul - Fri, 11 Jul
HKG
Hong Kong SAR
UBN
Ulaanbaatar
HK$3,882 Return, found 6 days ago
HK$3,882
Return
found 6 days ago
Select Jeju Air flight, departing Tue, 8 Jul from Hong Kong SAR to Ulaanbaatar, returning Fri, 11 Jul, priced at HK$3,882 found 6 days ago
Hong Kong Airlines
Mon, 14 Jul - Fri, 18 Jul
HKG
Hong Kong SAR
UBN
Ulaanbaatar
HK$4,441 Return, found 4 days ago
HK$4,441
Return
found 4 days ago
Select Hong Kong Airlines flight, departing Mon, 14 Jul from Hong Kong SAR to Ulaanbaatar, returning Fri, 18 Jul, priced at HK$4,441 found 4 days ago
Cathay Pacific
Sat, 30 Aug - Sat, 6 Sep
HKG
Hong Kong SAR
UBN
Ulaanbaatar
HK$4,646 Return, found 5 hours ago
HK$4,646
Return
found 5 hours ago
Select Cathay Pacific flight, departing Sat, 30 Aug from Hong Kong SAR to Ulaanbaatar, returning Sat, 6 Sep, priced at HK$4,646 found 5 hours ago

Find the cheapest month to fly from Chek Lap Kok (HKG) to Ulaanbaatar (UBN)

November is typically the cheapest month to fly

From HK$2,986 - HK$3,807 per traveller.

Graph displaying average flight prices per month

Hong Kong to Ulaanbaatar route information
Origin airport
Hong Kong Intl.
Destination airport
Chinggis Khaan Intl.
Airlines serving
Air China, Asiana Airlines, Cathay Pacific, Korean Air, MIAT Mongolian Airlines
Return price
HK$3,372
Distance
2870 km
Average flight time
4 hours 40 mins

Flights from Chek Lap Kok to Sergelen

Book cheap flights from Chek Lap Kok (HKG) to Sergelen (UBN) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Chek Lap Kok (HKG) to Sergelen (UBN) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Chek Lap Kok (HKG) to Sergelen (UBN) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

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If you would like to book flights to Sergelen more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Sergelen is HK$1,480 now!

 

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