Ulaanbaatar (Sergelen) to Hong Kong (UBN–HKG) — Airlines, Schedules & Connections

UBN Airport Page →
1,794 mi airlines 7/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 4h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
CX6201
CX Cathay Pacific
73H
6:45 AM
+08
11:25 AM
HKT
4h 40m
M T W T F S S
Prices
CX6200
CX Cathay Pacific
73G
12:25 PM
HKT TT1
5:05 PM
+08
4h 40m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Ulaanbaatar (Sergelen) to Hong Kong
1 carrier, 7 flights/week nonstop.
1 Airlines 7 Flights/wk 1,794 mi 4h 40m nonstop 2 1-stop hubs

UBN–HKG is served by 1 airline with nonstop service. Cathay Pacific leads the route. The flight covers 1,794 miles in approximately 4h 40m. Beyond nonstop, 2 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop UBN–HKG service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
CX Cathay Pacific 7 73H 4h40 Oneworld
Aircraft on this route
73H Boeing 737-800 – CX
Alliance coverage
Oneworld: CX (7 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, UBN to HKG direction.
Mon
1
flight
Tue
1
flight
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
1
flight
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
7
Outbound / wk
7
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for UBN to HKG.
1-STOP
One-Stop Connections
2
Hubs
~21h
Fastest
~21h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
176
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Hong Kong is 0 hours the same as Ulaanbaatar (Sergelen).
UBN: +08 · HKG: HKT

When it's 6:00 PM in Ulaanbaatar (Sergelen), it's 6:00 PM in Hong Kong.
Distance & Flight Time
1,794 mi / 2,887 km
Nonstop flight time is approximately 4h 40m.
Getting from HKG

Airport Express runs to Hong Kong Station (Central) in 24 minutes for HK$115, departing every 10 minutes from 5:54am to 1:02am. Octopus card discounts apply. Passengers can check bags in at the airport and retrieve them at Hong Kong or Kowloon Station.Taxis to Kowloon cost HK$250–350; to Hong Kong Island, HK$350–450. Ferry services connect to Macau (1 hr, HK$175–220) and Guangzhou/Shenzhen. The Ferry Terminal is in the airport building; no need to leave the terminal. Buses are slower but serve districts not near the MTR.

Hong Kong Climate

Subtropical monsoon climate. Typhoon season (June–October) is the primary disruption risk. The airport operates a T1/T3/T8 signal system and closes for Category T8 or above. Typhoons can arrive with 24–48 hours warning and typically pass in 12–24 hours. Check signals before departure during this window.

Winters are mild and mostly dry (12–20°C), ideal for flying. Spring brings fog and low cloud (March–April) that reduces runway visibility. Summer heat and humidity (30–34°C) are moderated at the airport by its coastal location on Lantau Island.

UBN–HKG Quick Facts

Key statistics for the Ulaanbaatar (Sergelen) to Hong Kong route.
Route details
Distance1,794 mi / 2,887 km
Flight time4h 40m
Time difference0 hours
Airlines (nonstop)1
Weekly flights7 out / 7 return
1-stop connections2 hubs
Origin: UBN
IATA / ICAOUBN / ZMCK
TimezoneAsia/Ulaanbaatar
Elevation4,482 ft / 1,366 m
Destination: HKG
IATA / ICAOHKG / VHHH
TimezoneAsia/Hong_Kong
Passengers/yr53.1M
Elevation28 ft / 9 m

Frequently Asked Questions

Common questions about UBN to HKG flights.
Nonstop flights from Ulaanbaatar Chinggis Khaan International Airport to Hong Kong International Airport take approximately 4h 40m. The route covers 1,794 miles.
1 airline operates nonstop service: Cathay Pacific.
There are approximately 7 nonstop flights per week from UBN to HKG. The return direction has about 7 weekly flights.
Yes, 1-stop connections are available through PEK and ICN. These options provide additional schedule flexibility.
Yes, return flights from HKG to UBN are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from UBN to HKG

Ulaanbaatar Chinggis Khaan International Airport (UBN) and Hong Kong International Airport (HKG) are connected by nonstop service from Cathay Pacific. With 7 weekly departures, this is a regularly served route.

UBN to HKG Flight Duration and Schedule

Nonstop flight time from UBN to HKG ranges from 4 hours 40 minutes. The route covers a distance of 1,794 miles (2,887 km). There are approximately 7 weekly flights outbound and 7 return, totaling 14 flights per week in both directions.

Connecting Options and Alternatives

2 one-stop connections are available, with the fastest taking approximately 21 hours via PEK. Two-stop connections are also available via intermediate hubs.