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Ulan-Ude to Bangkok flights in December 2026 from $971 UUD → BKK, DMK

Ulan-Ude Airport (UUD) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)

For departures in December 2026, the cheapest return found recently is $971 with IrAero, 29 Dec – 16 Jan 2027, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 9 departure dates is usually $681 to $960. Across all 35 departure dates we hold on this route, it is usually $611 to $833. Of the 4 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$971

29 Dec – 16 Jan 2027 · IrAero

Ulan-Ude Airport (UUD) → Suvarnabhumi Airport (BKK)

out 3 stops, back 3 stops

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$649

11 Dec – 21 Dec · S7 Airlines

Ulan-Ude Airport (UUD) → Suvarnabhumi Airport (BKK)

out 3 stops, back 1 stop

found 6 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
11 Dec – 21 Dec$649S7 Airlinesout 3 stops, back 1 stopfound 6 days agoSee prices for these dates
10 Dec – 24 Dec$657S7 Airlinesout 3 stops, back 1 stopfound 6 days agoSee prices for these dates
16 Dec – 26 Dec$681S7 Airlinesout 3 stops, back 1 stopfound 6 days agoSee prices for these dates
12 Dec – 22 Dec$707IrAeroout 2 stops, back 3 stopsfound 6 days agoSee prices for these dates
24 Dec – 18 Jan 2027$810IrAeroout 3 stops, back 3 stopsfound 3 days agoSee prices for these dates

Every date we hold

9 departure dates

10 Dec – 24 Dec: $657, found 6 days ago11 Dec – 21 Dec: $649, found 6 days ago12 Dec – 22 Dec: $707, found 6 days ago16 Dec – 26 Dec: $681, found 6 days ago21 Dec – 6 Jan 2027: $855, found 7 days ago24 Dec – 18 Jan 2027: $810, found 3 days ago26 Dec – 24 Jan 2027: $960, found 5 days ago29 Dec – 16 Jan 2027: $971, found 2 days ago30 Dec – 22 Jan 2027: $1,090, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
10 Dec – 24 Dec$657S7 AirlinesUlan-Ude Airport (UUD) → Suvarnabhumi Airport (BKK)out 3 stops, back 1 stopfound 6 days agoSee prices for these dates
11 Dec – 21 Dec$649S7 AirlinesUlan-Ude Airport (UUD) → Suvarnabhumi Airport (BKK)out 3 stops, back 1 stopfound 6 days agoSee prices for these dates
12 Dec – 22 Dec$707IrAeroUlan-Ude Airport (UUD) → Suvarnabhumi Airport (BKK)out 2 stops, back 3 stopsfound 6 days agoSee prices for these dates
16 Dec – 26 Dec$681S7 AirlinesUlan-Ude Airport (UUD) → Suvarnabhumi Airport (BKK)out 3 stops, back 1 stopfound 6 days agoSee prices for these dates
21 Dec – 6 Jan 2027$855S7 AirlinesUlan-Ude Airport (UUD) → Suvarnabhumi Airport (BKK)out 3 stops, back 3 stopsfound 7 days agoSee prices for these dates
24 Dec – 18 Jan 2027$810IrAeroUlan-Ude Airport (UUD) → Suvarnabhumi Airport (BKK)out 3 stops, back 3 stopsfound 3 days agoSee prices for these dates
26 Dec – 24 Jan 2027$960S7 AirlinesUlan-Ude Airport (UUD) → Don Mueang International Airport (DMK)out 3 stops, back 3 stopsfound 5 days agoSee prices for these dates
29 Dec – 16 Jan 2027$971IrAeroUlan-Ude Airport (UUD) → Suvarnabhumi Airport (BKK)out 3 stops, back 3 stopsfound 2 days agoSee prices for these dates
30 Dec – 22 Jan 2027$1,090S7 AirlinesUlan-Ude Airport (UUD) → Suvarnabhumi Airport (BKK)out 3 stops, back 2 stopsfound 4 days agoSee prices for these dates

Which month looks cheapest?

March 2027 is the cheapest month — from $558.

December 2026From $6499 departure dates11 Dec – 21 Dec · found 6 days agoSee prices for these dates
January 2027From $67810 departure dates18 Jan 2027 – 26 Jan 2027 · found 3 days agoSee prices for these datesEvery date in January 2027
February 2027From $5808 departure dates16 Feb 2027 – 9 Mar 2027 · found 5 days agoSee prices for these datesEvery date in February 2027
March 2027From $558Cheapest seen6 departure dates6 Mar 2027 – 19 Mar 2027 · found 3 days agoSee prices for these dates
April 2027From $9921 departure date1 Apr 2027 – 8 Apr 2027 · found 2 days agoSee prices for these dates
May 2027From $1,2201 departure date21 May 2027 – 28 May 2027 · found 6 days agoSee prices for these dates

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