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Singapore to Bangkok flights in December 2026 from $206 SIN, XSP → BKK, DMK

Changi International Airport (SIN), Seletar (XSP) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)

For departures in December 2026, the cheapest return found recently is $206 with Thai AirAsia, 31 Dec – 12 Jan 2027, found 7 days ago.

Return

In December 2026, the cheapest return fare on each of 16 departure dates is usually $249 to $320. Across all 46 departure dates we hold on this route, it is usually $208 to $281. Of the 5 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$206

31 Dec – 12 Jan 2027 · Thai AirAsia

Changi International Airport (SIN) → Don Mueang International Airport (DMK)

out nonstop, back nonstop

found 7 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 December 2026

DatesFromAirlineStopsFound
31 Dec – 12 Jan 2027$206Thai AirAsiaout nonstop, back nonstopfound 7 days agoSee prices for these dates
27 Dec – 31 Dec$248Thai AirAsiaout nonstop, back nonstopfound 7 days agoSee prices for these dates
28 Dec – 31 Dec$248Thai AirAsiaout nonstop, back nonstopfound 7 days agoSee prices for these dates
29 Dec – 31 Dec$248Thai AirAsiaout nonstop, back nonstopfound 7 days agoSee prices for these dates
14 Dec – 15 Dec$249Thai Lion Airout nonstop, back nonstopfound 7 days agoSee prices for these dates

Every date we hold

16 departure dates

14 Dec – 15 Dec: $249, found 7 days ago16 Dec – 19 Dec: $288, found 7 days ago17 Dec – 20 Dec: $333, found 7 days ago18 Dec – 22 Dec: $316, found 7 days ago19 Dec – 23 Dec: $332, found 7 days ago20 Dec – 24 Dec: $278, found 7 days ago21 Dec – 25 Dec: $283, found 7 days ago22 Dec – 26 Dec: $298, found 7 days ago23 Dec – 27 Dec: $364, found 7 days ago24 Dec – 28 Dec: $382, found 7 days ago25 Dec – 29 Dec: $296, found 7 days ago26 Dec – 28 Dec: $280, found 7 days ago27 Dec – 31 Dec: $248, found 7 days ago28 Dec – 31 Dec: $248, found 7 days ago29 Dec – 31 Dec: $248, found 7 days ago31 Dec – 12 Jan 2027: $206, found 7 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
14 Dec – 15 Dec$249Thai Lion AirChangi International Airport (SIN) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 7 days agoSee prices for these dates
16 Dec – 19 Dec$288ScootChangi International Airport (SIN) → Suvarnabhumi Airport (BKK)out 1 stop, back nonstopfound 7 days agoSee prices for these dates
17 Dec – 20 Dec$333Vietnam AirlinesChangi International Airport (SIN) → Suvarnabhumi Airport (BKK)out 1 stop, back nonstopfound 7 days agoSee prices for these dates
18 Dec – 22 Dec$316ScootChangi International Airport (SIN) → Don Mueang International Airport (DMK)out 1 stop, back nonstopfound 7 days agoSee prices for these dates
19 Dec – 23 Dec$332Ethiopian AirlinesChangi International Airport (SIN) → Suvarnabhumi Airport (BKK)out 1 stop, back nonstopfound 7 days agoSee prices for these dates
20 Dec – 24 Dec$278ScootChangi International Airport (SIN) → Don Mueang International Airport (DMK)out 1 stop, back nonstopfound 7 days agoSee prices for these dates
21 Dec – 25 Dec$283AirAsiaChangi International Airport (SIN) → Don Mueang International Airport (DMK)out 1 stop, back nonstopfound 7 days agoSee prices for these dates
22 Dec – 26 Dec$298Thai AirAsiaChangi International Airport (SIN) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 7 days agoSee prices for these dates
23 Dec – 27 Dec$364ScootChangi International Airport (SIN) → Don Mueang International Airport (DMK)out 1 stop, back nonstopfound 7 days agoSee prices for these dates
24 Dec – 28 Dec$382ScootChangi International Airport (SIN) → Suvarnabhumi Airport (BKK)out nonstop, back nonstopfound 7 days agoSee prices for these dates
25 Dec – 29 Dec$296Thai AirAsiaChangi International Airport (SIN) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 7 days agoSee prices for these dates
26 Dec – 28 Dec$280Thai AirAsiaChangi International Airport (SIN) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 7 days agoSee prices for these dates
27 Dec – 31 Dec$248Thai AirAsiaChangi International Airport (SIN) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 7 days agoSee prices for these dates
28 Dec – 31 Dec$248Thai AirAsiaChangi International Airport (SIN) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 7 days agoSee prices for these dates
29 Dec – 31 Dec$248Thai AirAsiaChangi International Airport (SIN) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 7 days agoSee prices for these dates
31 Dec – 12 Jan 2027$206Thai AirAsiaChangi International Airport (SIN) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 7 days agoSee prices for these dates

Which month looks cheapest?

February 2027 is the cheapest month — from $166.

November 2026From $20413 departure dates24 Nov – 26 Nov · found 8 days agoSee prices for these datesEvery date in November 2026
December 2026From $20616 departure dates31 Dec – 12 Jan 2027 · found 7 days agoSee prices for these dates
January 2027From $1709 departure dates6 Jan 2027 – 17 Feb 2027 · found 2 days agoSee prices for these datesEvery date in January 2027
February 2027From $166Cheapest seen5 departure dates10 Feb 2027 – 17 Feb 2027 · found yesterdaySee prices for these dates
March 2027From $1703 departure dates1 Mar 2027 – 4 Mar 2027 · found 4 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