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Irkutsk to Ulan-Ude in December 2026 IKT → UUD

Irkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)

For departures in December 2026, the cheapest return found recently is $96 with S7 Airlines, 13 Dec – 22 Dec, found today. The cheapest one-way found recently is $40 with IrAero, 2 Dec, found yesterday.

Return

In December 2026, the cheapest return fare on each of 18 departure dates is usually $101 to $131. Across all 75 departure dates we hold on this route, it is usually $91 to $115. Of the 4 months with enough return fares to compare, 2 are usually cheaper than December 2026.

Cheapest return found recently

$96

13 Dec – 22 Dec · S7 Airlines

Irkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)

out nonstop, back nonstop

found today

See prices for these datesCheck today's price

Cheapest we hold, of any age

$81

12 Dec – 13 Dec · IrAero

Irkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)

out nonstop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
12 Dec – 13 Dec$81IrAeroout nonstop, back nonstopfound 4 days agoSee prices for these dates
2 Dec – 5 Dec$84IrAeroout nonstop, back nonstopfound 2 days agoSee prices for these dates
7 Dec – 13 Dec$84IrAeroout nonstop, back nonstopfound 5 days agoSee prices for these dates
13 Dec – 22 Dec$96S7 Airlinesout nonstop, back nonstopfound todaySee prices for these dates
1 Dec – 8 Dec$100S7 Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates

Every date we hold

18 departure dates

1 Dec – 8 Dec: $100, found 6 days ago2 Dec – 5 Dec: $84, found 2 days ago7 Dec – 13 Dec: $84, found 5 days ago8 Dec – 14 Dec: $107, found 5 days ago9 Dec – 11 Dec: $106, found 3 days ago10 Dec – 14 Dec: $106, found 6 days ago11 Dec – 14 Dec: $104, found 4 days ago12 Dec – 13 Dec: $81, found 4 days ago13 Dec – 22 Dec: $96, found today21 Dec – 2 Jan 2027: $105, found 2 days ago22 Dec – 9 Jan 2027: $138, found today24 Dec – 11 Jan 2027: $109, found 4 days ago25 Dec – 27 Dec: $132, found 2 days ago27 Dec – 10 Jan 2027: $150, found 5 days ago28 Dec – 3 Jan 2027: $116, found 2 days ago29 Dec – 3 Jan 2027: $141, found 3 days ago30 Dec – 8 Jan 2027: $143, found 6 days ago31 Dec – 5 Jan 2027: $126, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 8 Dec$100S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 6 days agoSee prices for these dates
2 Dec – 5 Dec$84IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 2 days agoSee prices for these dates
7 Dec – 13 Dec$84IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 5 days agoSee prices for these dates
8 Dec – 14 Dec$107S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 5 days agoSee prices for these dates
9 Dec – 11 Dec$106S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 3 days agoSee prices for these dates
10 Dec – 14 Dec$106IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 6 days agoSee prices for these dates
11 Dec – 14 Dec$104S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 4 days agoSee prices for these dates
12 Dec – 13 Dec$81IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 4 days agoSee prices for these dates
13 Dec – 22 Dec$96S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound todaySee prices for these dates
21 Dec – 2 Jan 2027$105S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 2 days agoSee prices for these dates
22 Dec – 9 Jan 2027$138S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound todaySee prices for these dates
24 Dec – 11 Jan 2027$109IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 4 days agoSee prices for these dates
25 Dec – 27 Dec$132S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 2 days agoSee prices for these dates
27 Dec – 10 Jan 2027$150S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 5 days agoSee prices for these dates
28 Dec – 3 Jan 2027$116IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 2 days agoSee prices for these dates
29 Dec – 3 Jan 2027$141S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 3 days agoSee prices for these dates
30 Dec – 8 Jan 2027$143S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 6 days agoSee prices for these dates
31 Dec – 5 Jan 2027$126S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

October 2026 is the cheapest month — from $81.

October 2026From $81Cheapest seen12 departure dates24 Oct – 22 Dec · found todaySee prices for these datesEvery date in October 2026
November 2026From $8128 departure dates2 Nov – 8 Nov · found 10 hours agoSee prices for these datesEvery date in November 2026
December 2026From $8118 departure dates12 Dec – 13 Dec · found 4 days agoSee prices for these dates
January 2027From $9910 departure dates7 Jan 2027 – 9 Feb 2027 · found 6 days agoSee prices for these datesEvery date in January 2027
February 2027From $992 departure dates16 Feb 2027 – 20 Feb 2027 · found 6 days agoSee prices for these datesEvery date in February 2027
March 2027From $2421 departure date21 Mar 2027 – 10 Apr 2027 · found 5 days agoSee prices for these datesEvery date in March 2027
April 2027From $3871 departure date9 Apr 2027 – 13 Apr 2027 · found 4 days agoSee prices for these dates
July 2027From $3851 departure date9 Jul 2027 – 11 Jul 2027 · found 6 days agoSee prices for these dates
August 2027From $3841 departure date22 Aug 2027 – 23 Aug 2027 · found yesterdaySee prices for these dates
September 2027From $3861 departure date26 Sept 2027 – 28 Sept 2027 · found 6 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 30 departure dates is usually $46 to $57. Across all 123 departure dates we hold on this route, it is usually $53 to $56. Of the 8 months with enough one-way fares to compare, 1 is usually cheaper than December 2026.

Cheapest one-way found recently

$40

2 Dec · IrAero

Irkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)

nonstop

found yesterday

Open this tripCheck today's price

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

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
2 Dec$40IrAerononstopfound yesterdayOpen this trip
5 Dec$40IrAerononstopfound yesterdayOpen this trip
14 Dec$40IrAerononstopfound todayOpen this trip
7 Dec$41IrAerononstopfound 2 days agoOpen this trip
12 Dec$45IrAerononstopfound 2 days agoOpen this trip

Every date we hold

30 departure dates

1 Dec: $55, found yesterday2 Dec: $40, found yesterday3 Dec: $53, found 2 days ago4 Dec: $57, found yesterday5 Dec: $40, found yesterday6 Dec: $53, found 4 days ago7 Dec: $41, found 2 days ago8 Dec: $52, found yesterday9 Dec: $56, found 3 days ago10 Dec: $58, found 5 days ago11 Dec: $55, found 3 days ago12 Dec: $45, found 2 days ago13 Dec: $53, found 2 days ago14 Dec: $40, found today15 Dec: $56, found yesterday16 Dec: $56, found today17 Dec: $56, found 3 days ago18 Dec: $45, found today19 Dec: $45, found today20 Dec: $61, found today21 Dec: $45, found today22 Dec: $56, found 2 days ago23 Dec: $56, found today24 Dec: $49, found today25 Dec: $73, found today26 Dec: $76, found today27 Dec: $81, found yesterday28 Dec: $49, found today30 Dec: $90, found 5 days ago31 Dec: $76, found todayDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec$55S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound yesterdayOpen this trip
2 Dec$40IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound yesterdayOpen this trip
3 Dec$53S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound 2 days agoOpen this trip
4 Dec$57S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound yesterdayOpen this trip
5 Dec$40IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound yesterdayOpen this trip
6 Dec$53S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound 4 days agoOpen this trip
7 Dec$41IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound 2 days agoOpen this trip
8 Dec$52S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound yesterdayOpen this trip
9 Dec$56S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound 3 days agoOpen this trip
10 Dec$58S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound 5 days agoOpen this trip
11 Dec$55S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound 3 days agoOpen this trip
12 Dec$45IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound 2 days agoOpen this trip
13 Dec$53S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound 2 days agoOpen this trip
14 Dec$40IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound todayOpen this trip
15 Dec$56S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound yesterdayOpen this trip
16 Dec$56S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound todayOpen this trip
17 Dec$56S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound 3 days agoOpen this trip
18 Dec$45IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound todayOpen this trip
19 Dec$45IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound todayOpen this trip
20 Dec$61S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound todayOpen this trip
21 Dec$45IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound todayOpen this trip
22 Dec$56S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound 2 days agoOpen this trip
23 Dec$56S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound todayOpen this trip
24 Dec$49IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound todayOpen this trip
25 Dec$73S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound todayOpen this trip
26 Dec$76IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound todayOpen this trip
27 Dec$81S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound yesterdayOpen this trip
28 Dec$49IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound todayOpen this trip
30 Dec$90S7 AirlinesIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound 5 days agoOpen this trip
31 Dec$76IrAeroIrkutsk International Airport (IKT) → Ulan-Ude Airport (UUD)nonstopfound todayOpen this trip

Which month looks cheapest?

October 2026 is the cheapest month — from $35.

October 2026From $35Cheapest seen12 departure dates24 Oct · found 2 hours agoOpen this tripEvery date in October 2026
November 2026From $4030 departure dates14 Nov · found todayOpen this tripEvery date in November 2026
December 2026From $4030 departure dates2 Dec · found yesterdayOpen this trip
January 2027From $5518 departure dates4 Jan 2027 · found yesterdayOpen this tripEvery date in January 2027
February 2027From $5516 departure dates7 Feb 2027 · found 5 days agoOpen this tripEvery date in February 2027
March 2027From $568 departure dates2 Mar 2027 · found 2 days agoOpen this tripEvery date in March 2027
July 2027From $2263 departure dates11 Jul 2027 · found 6 days agoOpen this trip
August 2027From $2262 departure dates13 Aug 2027 · found 5 days agoOpen this trip
September 2027From $2264 departure dates9 Sept 2027 · found 6 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