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Irkutsk to Ulaanbaatar flights in December 2026 from $234 IKT → UBN

Irkutsk International Airport (IKT) → Chinggis Khaan International Airport (UBN)

For departures in December 2026, the cheapest return found recently is $234 with S7 Airlines, 22 Dec – 8 Jan 2027, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 8 departure dates is usually $234 to $291. Across all 31 departure dates we hold on this route, it is usually $234 to $278. Of the 4 months with enough return fares to compare, 2 are usually cheaper than December 2026.

Cheapest return found recently

$234

22 Dec – 8 Jan 2027 · S7 Airlines

Irkutsk International Airport (IKT) → Chinggis Khaan International Airport (UBN)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$233

15 Dec – 22 Dec · S7 Airlines

Irkutsk International Airport (IKT) → Chinggis Khaan International Airport (UBN)

out nonstop, back nonstop

found 3 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
15 Dec – 22 Dec$233S7 Airlinesout nonstop, back nonstopfound 3 days agoSee prices for these dates
22 Dec – 8 Jan 2027$234S7 Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
25 Dec – 29 Dec$234S7 Airlinesout nonstop, back nonstopfound 3 days agoSee prices for these dates
18 Dec – 25 Dec$235S7 Airlinesout nonstop, back nonstopfound 3 days agoSee prices for these dates
14 Dec – 24 Dec$255IrAeroout nonstop, back nonstopfound 3 days agoSee prices for these dates

Every date we hold

8 departure dates

7 Dec – 29 Dec: $298, found 3 days ago13 Dec – 19 Dec: $295, found 4 days ago14 Dec – 24 Dec: $255, found 3 days ago15 Dec – 22 Dec: $233, found 3 days ago18 Dec – 25 Dec: $235, found 3 days ago22 Dec – 8 Jan 2027: $234, found 2 days ago24 Dec – 9 Jan 2027: $290, found 2 days ago25 Dec – 29 Dec: $234, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
7 Dec – 29 Dec$298IrAeroIrkutsk International Airport (IKT) → Chinggis Khaan International Airport (UBN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
13 Dec – 19 Dec$295IrAeroIrkutsk International Airport (IKT) → Chinggis Khaan International Airport (UBN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
14 Dec – 24 Dec$255IrAeroIrkutsk International Airport (IKT) → Chinggis Khaan International Airport (UBN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
15 Dec – 22 Dec$233S7 AirlinesIrkutsk International Airport (IKT) → Chinggis Khaan International Airport (UBN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
18 Dec – 25 Dec$235S7 AirlinesIrkutsk International Airport (IKT) → Chinggis Khaan International Airport (UBN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
22 Dec – 8 Jan 2027$234S7 AirlinesIrkutsk International Airport (IKT) → Chinggis Khaan International Airport (UBN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
24 Dec – 9 Jan 2027$290IrAeroIrkutsk International Airport (IKT) → Chinggis Khaan International Airport (UBN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
25 Dec – 29 Dec$234S7 AirlinesIrkutsk International Airport (IKT) → Chinggis Khaan International Airport (UBN)out nonstop, back nonstopfound 3 days agoSee prices for these dates

Which month looks cheapest?

January 2027 is the cheapest month — from $214.

November 2026From $2512 departure dates26 Nov – 3 Dec · found 2 days agoSee prices for these dates
December 2026From $2338 departure dates15 Dec – 22 Dec · found 3 days agoSee prices for these dates
January 2027From $214Cheapest seen8 departure dates14 Jan 2027 – 24 Jan 2027 · found 2 days agoSee prices for these datesEvery date in January 2027
February 2027From $2345 departure dates9 Feb 2027 – 19 Feb 2027 · found 3 days agoSee prices for these dates
March 2027From $2338 departure dates19 Mar 2027 – 23 Mar 2027 · found 2 days agoSee prices for these datesEvery date in March 2027

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