Skip to content
FareTell

Ulaanbaatar to Beijing in December 2026 UBN → PEK, PKX

Chinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK), Beijing Daxing International Airport (PKX)

For departures in December 2026, the cheapest return found recently is $262 with MIAT Mongolian Airlines, 5 Dec – 11 Dec, found 5 days ago. The cheapest one-way found recently is $156 with Air China, 19 Dec, found yesterday.

Return

In December 2026, the cheapest return fare on each of 6 departure dates is usually $271 to $282. Across all 73 departure dates we hold on this route, it is usually $262 to $277. Of the 9 months with enough return fares to compare, 5 are usually cheaper than December 2026.

Cheapest return found recently

$262

5 Dec – 11 Dec · MIAT Mongolian Airlines

Chinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)

out nonstop, back nonstop

found 5 days ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
5 Dec – 11 Dec$262MIAT Mongolian Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
7 Dec – 12 Dec$271Air Chinaout nonstop, back nonstopfound 5 days agoSee prices for these dates
14 Dec – 21 Dec$272Air Chinaout nonstop, back nonstopfound 6 days agoSee prices for these dates
8 Dec – 14 Dec$277MIAT Mongolian Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
22 Dec – 18 Jan 2027$284Air Chinaout nonstop, back nonstopfound 6 days agoSee prices for these dates

Every date we hold

6 departure dates

5 Dec – 11 Dec: $262, found 5 days ago7 Dec – 12 Dec: $271, found 5 days ago8 Dec – 14 Dec: $277, found 5 days ago14 Dec – 21 Dec: $272, found 6 days ago22 Dec – 18 Jan 2027: $284, found 6 days ago31 Dec – 8 Jan 2027: $285, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
5 Dec – 11 Dec$262MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 5 days agoSee prices for these dates
7 Dec – 12 Dec$271Air ChinaChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 5 days agoSee prices for these dates
8 Dec – 14 Dec$277MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 5 days agoSee prices for these dates
14 Dec – 21 Dec$272Air ChinaChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 6 days agoSee prices for these dates
22 Dec – 18 Jan 2027$284Air ChinaChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 6 days agoSee prices for these dates
31 Dec – 8 Jan 2027$285Air ChinaChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Which month looks cheapest?

August 2027 is the cheapest month — from $246.

October 2026From $26210 departure dates23 Oct – 29 Oct · found 5 days agoSee prices for these datesEvery date in October 2026
November 2026From $25924 departure dates17 Nov – 20 Nov · found todaySee prices for these datesEvery date in November 2026
December 2026From $2626 departure dates5 Dec – 11 Dec · found 5 days agoSee prices for these dates
January 2027From $2624 departure dates29 Jan 2027 – 8 Feb 2027 · found 4 days agoSee prices for these dates
February 2027From $2655 departure dates12 Feb 2027 – 15 Feb 2027 · found yesterdaySee prices for these dates
March 2027From $2624 departure dates8 Mar 2027 – 13 Mar 2027 · found todaySee prices for these dates
April 2027From $2617 departure dates17 Apr 2027 – 24 Apr 2027 · found yesterdaySee prices for these datesEvery date in April 2027
May 2027From $2527 departure dates1 May 2027 – 8 May 2027 · found 5 days agoSee prices for these datesEvery date in May 2027
June 2027From $2631 departure date14 Jun 2027 – 19 Jun 2027 · found 5 days agoSee prices for these dates
July 2027From $2651 departure date5 Jul 2027 – 12 Jul 2027 · found 4 days agoSee prices for these dates
August 2027From $246Cheapest seen4 departure dates3 Aug 2027 – 14 Aug 2027 · found 6 hours agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 7 departure dates is usually $156 to $171. Across all 44 departure dates we hold on this route, it is usually $156 to $172. Of the 5 months with enough one-way fares to compare, 3 are usually cheaper than December 2026.

Cheapest one-way found recently

$156

19 Dec · Air China

Chinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)

nonstop

found yesterday

Open this tripCheck today's price

Cheapest we hold, of any age

$155

11 Dec · MIAT Mongolian Airlines

Chinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)

nonstop

found 4 days ago

Open this tripCheck today's price

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
11 Dec$155MIAT Mongolian Airlinesnonstopfound 4 days agoOpen this trip
15 Dec$155MIAT Mongolian Airlinesnonstopfound 6 days agoOpen this trip
19 Dec$156Air Chinanonstopfound yesterdayOpen this trip
6 Dec$159Air Chinanonstopfound 5 days agoOpen this trip
31 Dec$159Air Chinanonstopfound 2 days agoOpen this trip

Every date we hold

7 departure dates

6 Dec: $159, found 5 days ago11 Dec: $155, found 4 days ago15 Dec: $155, found 6 days ago19 Dec: $156, found yesterday25 Dec: $192, found 2 days ago29 Dec: $182, found yesterday31 Dec: $159, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
6 Dec$159Air ChinaChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)nonstopfound 5 days agoOpen this trip
11 Dec$155MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)nonstopfound 4 days agoOpen this trip
15 Dec$155MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)nonstopfound 6 days agoOpen this trip
19 Dec$156Air ChinaChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)nonstopfound yesterdayOpen this trip
25 Dec$192Air ChinaChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)nonstopfound 2 days agoOpen this trip
29 Dec$182Air ChinaChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)nonstopfound yesterdayOpen this trip
31 Dec$159Air ChinaChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)nonstopfound 2 days agoOpen this trip

Which month looks cheapest?

October 2026 is the cheapest month — from $117.

October 2026From $117Cheapest seen5 departure dates28 Oct · found yesterdayOpen this tripEvery date in October 2026
November 2026From $13917 departure dates9 Nov · found yesterdayOpen this tripEvery date in November 2026
December 2026From $1557 departure dates11 Dec · found 4 days agoOpen this trip
February 2027From $1742 departure dates5 Feb 2027 · found 6 days agoOpen this trip
March 2027From $1551 departure date10 Mar 2027 · found 3 days agoOpen this trip
April 2027From $1553 departure dates9 Apr 2027 · found 3 days agoOpen this tripEvery date in April 2027
May 2027From $1576 departure dates2 May 2027 · found 2 days agoOpen this tripEvery date in May 2027
June 2027From $1561 departure date14 Jun 2027 · found 5 days agoOpen this trip
July 2027From $1561 departure date5 Jul 2027 · found 3 days agoOpen this trip
August 2027From $1531 departure date2 Aug 2027 · found yesterdayOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work