How long does the flight from Ulaanbaatar (Sergelen) to Beijing take?

Flight time from Ulaanbaatar (Sergelen) (UBN) to Beijing (PEK) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. Check the exact duration in the search results above, where we show block time per itinerary along with stop count.

Which airlines fly from Ulaanbaatar (Sergelen) to Beijing?

Airline availability for UBN to PEK changes by season and sometimes week to week as carriers adjust capacity. Our search above pulls live schedules and returns the airlines currently selling this route, both direct and connecting. Codeshare and interline itineraries are included, so you may see results operated by one carrier but sold by another.

Are there direct flights from Ulaanbaatar (Sergelen) to Beijing?

Direct (nonstop) availability on UBN to PEK varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons. Use our search above with flexible dates to see which days actually have nonstop options.

What is the cheapest month to fly from Ulaanbaatar (Sergelen) to Beijing?

Prices on UBN to PEK shift with seasonality, school holidays, and major events at both ends. Our 12-month price calendar below the search results shows the lowest fare found per departure date, which makes it easy to spot the cheapest weeks at a glance. Flexibility of a few days around your target date often unlocks significantly lower fares.

Ulaanbaatar (Sergelen) to Beijing flights

Direct and connecting flights from Ulaanbaatar (Sergelen) (UBN) to Beijing (PEK). Compare airlines, aircraft, and fares.

Distance: 1,148 km (713 mi)
Flight time: ~1h 41m
Airlines: 2
Aircraft types: 2

Airlines flying UBN → PEK

Airline	Aircraft types	Observations
MIAT Mongolian Airlines	1	1
Air China	1	1

Aircraft on this route

Boeing 737 — 1 operator
Boeing 737 — 1 operator

Airport details

Departure: Ulaanbaatar Chinggis Khaan International Airport (UBN)

City: Ulaanbaatar (Sergelen)
Country: MN
IATA / ICAO: UBN / ZMCK

Arrival: Beijing Capital International Airport (PEK)

City: Beijing
Country: CN
IATA / ICAO: PEK / ZBAA

Operating airlines

Air China (CA)
Miat - Mongolian Airlines (OM)

Distance: 1148 km. Duration: 135 minutes.

Other routes from Ulaanbaatar (Sergelen)

Other routes to Beijing

Frequently asked questions

How many airlines fly UBN to PEK?

2 airlines operate the UBN to PEK route in our 90-day observed dataset.

What aircraft fly the UBN-PEK route?

The most commonly observed aircraft on UBN to PEK include: Boeing 737, Boeing 737.

How long is the Ulaanbaatar (Sergelen) to Beijing flight?

The estimated flight time from Ulaanbaatar (Sergelen) (UBN) to Beijing (PEK) is approximately 1h 41m, based on a cruise speed of 850 km/h.

What's the distance from Ulaanbaatar (Sergelen) to Beijing?

The great-circle distance from Ulaanbaatar (Sergelen) (UBN) to Beijing (PEK) is approximately 1,148 km (713 miles).

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