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Ulaanbaatar to Beijing flights in March 2027 from $154 UBN → PEK, PKX

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

For departures in March 2027, the cheapest return found recently is $257 with MIAT Mongolian Airlines, 9 Mar 2027 – 26 Mar 2027, found 2 days ago. The cheapest one-way found recently is $154 with MIAT Mongolian Airlines, 21 Mar 2027, found 2 days ago.

Return

In March 2027, the cheapest return fare on each of 9 departure dates is usually $258 to $290. Across all 59 departure dates we hold on this route, it is usually $261 to $331. Of the 7 months with enough return fares to compare, 2 are usually cheaper than March 2027.

Cheapest return found recently

$257

9 Mar 2027 – 26 Mar 2027 · MIAT Mongolian Airlines

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

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

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

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The cheapest dates in March 2027

DatesFromAirlineStopsFound
9 Mar 2027 – 26 Mar 2027$257MIAT Mongolian Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
26 Mar 2027 – 3 Apr 2027$257MIAT Mongolian Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates
20 Mar 2027 – 26 Mar 2027$258MIAT Mongolian Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
27 Mar 2027 – 28 Mar 2027$260MIAT Mongolian Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
31 Mar 2027 – 4 Apr 2027$273MIAT Mongolian Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

9 departure dates

9 Mar 2027 – 26 Mar 2027: $257, found 2 days ago20 Mar 2027 – 26 Mar 2027: $258, found 5 days ago22 Mar 2027 – 12 Apr 2027: $297, found 2 days ago23 Mar 2027 – 31 Mar 2027: $290, found 2 days ago24 Mar 2027 – 7 Apr 2027: $304, found 4 days ago26 Mar 2027 – 3 Apr 2027: $257, found 4 days ago27 Mar 2027 – 28 Mar 2027: $260, found 5 days ago29 Mar 2027 – 4 Apr 2027: $290, found 5 days ago31 Mar 2027 – 4 Apr 2027: $273, found 2 days agoMar
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
9 Mar 2027 – 26 Mar 2027$257MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 2 days agoSee prices for these dates
20 Mar 2027 – 26 Mar 2027$258MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 5 days agoSee prices for these dates
22 Mar 2027 – 12 Apr 2027$297MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 2 days agoSee prices for these dates
23 Mar 2027 – 31 Mar 2027$290MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 2 days agoSee prices for these dates
24 Mar 2027 – 7 Apr 2027$304MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 4 days agoSee prices for these dates
26 Mar 2027 – 3 Apr 2027$257MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 4 days agoSee prices for these dates
27 Mar 2027 – 28 Mar 2027$260MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 5 days agoSee prices for these dates
29 Mar 2027 – 4 Apr 2027$290MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 5 days agoSee prices for these dates
31 Mar 2027 – 4 Apr 2027$273MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $255.

November 2026From $255Cheapest seen9 departure dates23 Nov – 28 Nov · found 2 days agoSee prices for these datesEvery date in November 2026
December 2026From $26013 departure dates1 Dec – 7 Dec · found 5 days agoSee prices for these datesEvery date in December 2026
January 2027From $2759 departure dates30 Jan 2027 – 6 Feb 2027 · found 4 days agoSee prices for these datesEvery date in January 2027
February 2027From $2611 departure date26 Feb 2027 – 12 Mar 2027 · found 7 days agoSee prices for these datesEvery date in February 2027
March 2027From $2579 departure dates9 Mar 2027 – 26 Mar 2027 · found 2 days agoSee prices for these dates
April 2027From $2586 departure dates1 Apr 2027 – 7 Apr 2027 · found 2 days agoSee prices for these dates
May 2027From $2613 departure dates2 May 2027 – 4 May 2027 · found 5 days agoSee prices for these dates
June 2027From $2632 departure dates12 Jun 2027 – 23 Jun 2027 · found 3 days agoSee prices for these dates
July 2027From $2611 departure date15 Jul 2027 – 22 Jul 2027 · found 7 days agoSee prices for these dates
August 2027From $2612 departure dates2 Aug 2027 – 27 Aug 2027 · found 6 days agoSee prices for these dates
October 2027From $2644 departure dates21 Oct 2027 – 28 Oct 2027 · found 7 days agoSee prices for these dates

One-way

We hold one-way fares on only 2 departure dates in March 2027, too few to say what one usually costs.

Cheapest one-way found recently

$154

21 Mar 2027 · MIAT Mongolian Airlines

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

nonstop

found 2 days ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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

The cheapest dates in March 2027

DatesFromAirlineStopsFound
21 Mar 2027$154MIAT Mongolian Airlinesnonstopfound 2 days agoOpen this trip
26 Mar 2027$154MIAT Mongolian Airlinesnonstopfound 3 days agoOpen this trip

Every date we hold

2 departure dates

21 Mar 2027: $154, found 2 days ago26 Mar 2027: $154, found 3 days agoMar
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
21 Mar 2027$154MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)nonstopfound 2 days agoOpen this trip
26 Mar 2027$154MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Beijing Capital International Airport (PEK)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $132.

November 2026From $132Cheapest seen9 departure dates13 Nov · found 2 days agoOpen this tripEvery date in November 2026
December 2026From $14810 departure dates1 Dec · found 8 days agoSee prices for these datesEvery date in December 2026
January 2027From $1538 departure dates16 Jan 2027 · found 2 days agoOpen this tripEvery date in January 2027
February 2027From $1549 departure dates3 Feb 2027 · found 2 days agoOpen this tripEvery date in February 2027
March 2027From $1542 departure dates21 Mar 2027 · found 2 days agoOpen this trip
April 2027From $1532 departure dates19 Apr 2027 · found 2 days agoOpen this trip
May 2027From $1441 departure date3 May 2027 · found 8 days agoSee prices for these dates
June 2027From $1545 departure dates3 Jun 2027 · found 2 days agoOpen this trip
July 2027From $1551 departure date17 Jul 2027 · found 2 days agoOpen 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