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Ulaanbaatar to Irkutsk in December 2026 UBN → IKT

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

For departures in December 2026, the cheapest return found recently is $540 with Air China, 19 Dec – 8 Jan 2027, found today. The cheapest one-way found recently is $158 with IrAero, 17 Dec, found yesterday.

Return

In December 2026, the cheapest return fare on each of 3 departure dates is usually $414 to $538. Across all 19 departure dates we hold on this route, it is usually $271 to $606. Of the 3 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$540

19 Dec – 8 Jan 2027 · Air China

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

out 1 stop, back 1 stop

found today

See prices for these datesCheck today's price

Cheapest we hold, of any age

$292

31 Dec – 11 Jan 2027 · IrAero

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

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
31 Dec – 11 Jan 2027$292IrAeroout nonstop, back nonstopfound 3 days agoSee prices for these dates
28 Dec – 10 Jan 2027$536Air Chinaout 1 stop, back 1 stopfound 6 days agoSee prices for these dates
19 Dec – 8 Jan 2027$540Air Chinaout 1 stop, back 1 stopfound todaySee prices for these dates

Every date we hold

3 departure dates

19 Dec – 8 Jan 2027: $540, found today28 Dec – 10 Jan 2027: $536, found 6 days ago31 Dec – 11 Jan 2027: $292, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
19 Dec – 8 Jan 2027$540Air ChinaChinggis Khaan International Airport (UBN) → Irkutsk International Airport (IKT)out 1 stop, back 1 stopfound todaySee prices for these dates
28 Dec – 10 Jan 2027$536Air ChinaChinggis Khaan International Airport (UBN) → Irkutsk International Airport (IKT)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
31 Dec – 11 Jan 2027$292IrAeroChinggis Khaan International Airport (UBN) → Irkutsk International Airport (IKT)out nonstop, back nonstopfound 3 days agoSee prices for these dates

Which month looks cheapest?

October 2026 is the cheapest month — from $209.

October 2026From $209Cheapest seen7 departure dates27 Oct – 31 Oct · found 4 days agoSee prices for these datesEvery date in October 2026
November 2026From $3744 departure dates5 Nov – 12 Nov · found 6 days agoSee prices for these dates
December 2026From $2923 departure dates31 Dec – 11 Jan 2027 · found 3 days agoSee prices for these dates
January 2027From $2382 departure dates5 Jan 2027 – 12 Jan 2027 · found todaySee prices for these datesEvery date in January 2027
February 2027From $2342 departure dates9 Feb 2027 – 16 Feb 2027 · found yesterdaySee prices for these datesEvery date in February 2027
March 2027From $6961 departure date15 Mar 2027 – 24 Mar 2027 · found 3 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 10 departure dates is usually $158 to $189. Across all 43 departure dates we hold on this route, it is usually $153 to $190. Of the 7 months with enough one-way fares to compare, 3 are usually cheaper than December 2026.

Cheapest one-way found recently

$158

17 Dec · IrAero

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

nonstop

found yesterday

Open this tripCheck today's price

Cheapest we hold, of any age

$146

15 Dec · S7 Airlines

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

nonstop

found 2 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
15 Dec$146S7 Airlinesnonstopfound 2 days agoOpen this trip
10 Dec$154IrAerononstopfound 5 days agoOpen this trip
17 Dec$158IrAerononstopfound yesterdayOpen this trip
31 Dec$159IrAerononstopfound 3 days agoOpen this trip
24 Dec$168IrAerononstopfound todayOpen this trip

Every date we hold

10 departure dates

5 Dec: $184, found 6 days ago10 Dec: $154, found 5 days ago12 Dec: $184, found today13 Dec: $204, found 3 days ago15 Dec: $146, found 2 days ago17 Dec: $158, found yesterday20 Dec: $190, found today24 Dec: $168, found today27 Dec: $190, found today31 Dec: $159, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
5 Dec$184IrAeroChinggis Khaan International Airport (UBN) → Irkutsk International Airport (IKT)nonstopfound 6 days agoOpen this trip
10 Dec$154IrAeroChinggis Khaan International Airport (UBN) → Irkutsk International Airport (IKT)nonstopfound 5 days agoOpen this trip
12 Dec$184IrAeroChinggis Khaan International Airport (UBN) → Irkutsk International Airport (IKT)nonstopfound todayOpen this trip
13 Dec$204IrAeroChinggis Khaan International Airport (UBN) → Irkutsk International Airport (IKT)nonstopfound 3 days agoOpen this trip
15 Dec$146S7 AirlinesChinggis Khaan International Airport (UBN) → Irkutsk International Airport (IKT)nonstopfound 2 days agoOpen this trip
17 Dec$158IrAeroChinggis Khaan International Airport (UBN) → Irkutsk International Airport (IKT)nonstopfound yesterdayOpen this trip
20 Dec$190IrAeroChinggis Khaan International Airport (UBN) → Irkutsk International Airport (IKT)nonstopfound todayOpen this trip
24 Dec$168IrAeroChinggis Khaan International Airport (UBN) → Irkutsk International Airport (IKT)nonstopfound todayOpen this trip
27 Dec$190IrAeroChinggis Khaan International Airport (UBN) → Irkutsk International Airport (IKT)nonstopfound todayOpen this trip
31 Dec$159IrAeroChinggis Khaan International Airport (UBN) → Irkutsk International Airport (IKT)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

October 2026 is the cheapest month — from $100.

October 2026From $100Cheapest seen5 departure dates20 Oct · found todayOpen this tripEvery date in October 2026
November 2026From $1544 departure dates3 Nov · found yesterdayOpen this trip
December 2026From $14610 departure dates15 Dec · found 2 days agoOpen this trip
January 2027From $11510 departure dates14 Jan 2027 · found 3 days agoOpen this tripEvery date in January 2027
February 2027From $1127 departure dates13 Feb 2027 · found 8 hours agoOpen this tripEvery date in February 2027
March 2027From $1523 departure dates23 Mar 2027 · found 3 days agoOpen this trip
April 2027From $5273 departure dates14 Apr 2027 · found yesterdayOpen this trip
May 2027From $4291 departure date7 May 2027 · found 3 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