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Colombo to Bangkok flights in December 2026 from $156 CMB → BKK, DMK

Bandaranaike International Airport (CMB) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)

For departures in December 2026, the cheapest return found recently is $310 with Thai AirAsia, 7 Dec – 13 Dec, found yesterday. The cheapest one-way found recently is $156 with Thai AirAsia, 13 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 10 departure dates is usually $311 to $373. Across all 42 departure dates we hold on this route, it is usually $316 to $364. Of the 5 months with enough return fares to compare, 1 is usually cheaper than December 2026.

Cheapest return found recently

$310

7 Dec – 13 Dec · Thai AirAsia

Bandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)

out nonstop, back nonstop

found yesterday

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Cheapest we hold, of any age

$297

31 Dec – 7 Jan 2027 · Thai AirAsia

Bandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)

out nonstop, back nonstop

found 4 days ago

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
31 Dec – 7 Jan 2027$297Thai AirAsiaout nonstop, back nonstopfound 4 days agoSee prices for these dates
18 Dec – 24 Dec$303Thai AirAsiaout nonstop, back nonstopfound 6 days agoSee prices for these dates
7 Dec – 13 Dec$310Thai AirAsiaout nonstop, back nonstopfound yesterdaySee prices for these dates
15 Dec – 13 Jan 2027$312Thai AirAsiaout nonstop, back nonstopfound 4 days agoSee prices for these dates
2 Dec – 4 Dec$316Thai AirAsiaout nonstop, back nonstopfound 5 days agoSee prices for these dates

Every date we hold

10 departure dates

2 Dec – 4 Dec: $316, found 5 days ago5 Dec – 6 Dec: $373, found 7 days ago7 Dec – 13 Dec: $310, found yesterday9 Dec – 14 Dec: $373, found 2 days ago15 Dec – 13 Jan 2027: $312, found 4 days ago17 Dec – 7 Jan 2027: $338, found 6 days ago18 Dec – 24 Dec: $303, found 6 days ago23 Dec – 17 Jan 2027: $398, found 3 days ago30 Dec – 2 Jan 2027: $373, found 5 days ago31 Dec – 7 Jan 2027: $297, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Dec – 4 Dec$316Thai AirAsiaBandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 5 days agoSee prices for these dates
5 Dec – 6 Dec$373Thai AirAsiaBandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 7 days agoSee prices for these dates
7 Dec – 13 Dec$310Thai AirAsiaBandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound yesterdaySee prices for these dates
9 Dec – 14 Dec$373Thai AirAsiaBandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)out nonstop, back 1 stopfound 2 days agoSee prices for these dates
15 Dec – 13 Jan 2027$312Thai AirAsiaBandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 4 days agoSee prices for these dates
17 Dec – 7 Jan 2027$338Thai AirAsiaBandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 6 days agoSee prices for these dates
18 Dec – 24 Dec$303Thai AirAsiaBandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 6 days agoSee prices for these dates
23 Dec – 17 Jan 2027$398Air IndiaBandaranaike International Airport (CMB) → Suvarnabhumi Airport (BKK)out 1 stop, back nonstopfound 3 days agoSee prices for these dates
30 Dec – 2 Jan 2027$373Thai AirAsiaBandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 5 days agoSee prices for these dates
31 Dec – 7 Jan 2027$297Thai AirAsiaBandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $274.

November 2026From $274Cheapest seen11 departure dates15 Nov – 26 Nov · found 3 days agoSee prices for these datesEvery date in November 2026
December 2026From $29710 departure dates31 Dec – 7 Jan 2027 · found 4 days agoSee prices for these dates
January 2027From $29610 departure dates14 Jan 2027 – 21 Jan 2027 · found 6 days agoSee prices for these datesEvery date in January 2027
February 2027From $3324 departure dates25 Feb 2027 – 14 Mar 2027 · found 6 days agoSee prices for these datesEvery date in February 2027
March 2027From $3173 departure dates11 Mar 2027 – 15 Mar 2027 · found 5 days agoSee prices for these datesEvery date in March 2027
April 2027From $3372 departure dates10 Apr 2027 – 18 Apr 2027 · found 2 days agoSee prices for these dates
May 2027From $3641 departure date14 May 2027 – 23 May 2027 · found 6 days agoSee prices for these dates
June 2027From $3441 departure date10 Jun 2027 – 14 Jun 2027 · found 5 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 3 departure dates is usually $154 to $159. Across all 31 departure dates we hold on this route, it is usually $166 to $172. Of the 4 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$156

13 Dec · Thai AirAsia

Bandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)

nonstop

found 2 days ago

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Cheapest we hold, of any age

$152

16 Dec · Thai AirAsia

Bandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)

nonstop

found 6 days ago

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
16 Dec$152Thai AirAsianonstopfound 6 days agoOpen this trip
13 Dec$156Thai AirAsianonstopfound 2 days agoOpen this trip
31 Dec$162Thai AirAsianonstopfound 3 days agoOpen this trip

Every date we hold

3 departure dates

13 Dec: $156, found 2 days ago16 Dec: $152, found 6 days ago31 Dec: $162, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
13 Dec$156Thai AirAsiaBandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
16 Dec$152Thai AirAsiaBandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)nonstopfound 6 days agoOpen this trip
31 Dec$162Thai AirAsiaBandaranaike International Airport (CMB) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

January 2027 is the cheapest month — from $146.

December 2026From $1523 departure dates16 Dec · found 6 days agoOpen this trip
January 2027From $146Cheapest seen13 departure dates31 Jan 2027 · found 5 days agoOpen this tripEvery date in January 2027
February 2027From $1637 departure dates15 Feb 2027 · found 4 days agoOpen this tripEvery date in February 2027
March 2027From $1688 departure dates2 Mar 2027 · found 3 days agoOpen this tripEvery 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