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Bangkok to Colombo in December 2026 BKK, DMK → CMB

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

For departures in December 2026, the cheapest return found recently is $396 with Thai AirAsia, 3 Dec – 18 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 7 departure dates is usually $373 to $403. Across all 27 departure dates we hold on this route, it is usually $338 to $374. Of the 5 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$396

3 Dec – 18 Dec · Thai AirAsia

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

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$351

18 Dec – 8 Jan 2027 · Thai AirAsia

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

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
18 Dec – 8 Jan 2027$351Thai AirAsiaout nonstop, back nonstopfound 3 days agoSee prices for these dates
5 Dec – 14 Jan 2027$364Thai AirAsiaout nonstop, back nonstopfound 7 days agoSee prices for these dates
19 Dec – 15 Jan 2027$381Thai AirAsiaout nonstop, back nonstopfound 6 days agoSee prices for these dates
3 Dec – 18 Dec$396Thai AirAsiaout nonstop, back nonstopfound 2 days agoSee prices for these dates
15 Dec – 29 Dec$396Thai AirAsiaout nonstop, back 1 stopfound 4 days agoSee prices for these dates

Every date we hold

7 departure dates

3 Dec – 18 Dec: $396, found 2 days ago5 Dec – 14 Jan 2027: $364, found 7 days ago14 Dec – 29 Dec: $418, found 5 days ago15 Dec – 29 Dec: $396, found 4 days ago16 Dec – 7 Jan 2027: $409, found 3 days ago18 Dec – 8 Jan 2027: $351, found 3 days ago19 Dec – 15 Jan 2027: $381, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec – 18 Dec$396Thai AirAsiaDon Mueang International Airport (DMK) → Bandaranaike International Airport (CMB)out nonstop, back nonstopfound 2 days agoSee prices for these dates
5 Dec – 14 Jan 2027$364Thai AirAsiaDon Mueang International Airport (DMK) → Bandaranaike International Airport (CMB)out nonstop, back nonstopfound 7 days agoSee prices for these dates
14 Dec – 29 Dec$418VietjetSuvarnabhumi Airport (BKK) → Bandaranaike International Airport (CMB)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
15 Dec – 29 Dec$396Thai AirAsiaDon Mueang International Airport (DMK) → Bandaranaike International Airport (CMB)out nonstop, back 1 stopfound 4 days agoSee prices for these dates
16 Dec – 7 Jan 2027$409VietjetSuvarnabhumi Airport (BKK) → Bandaranaike International Airport (CMB)out 1 stop, back nonstopfound 3 days agoSee prices for these dates
18 Dec – 8 Jan 2027$351Thai AirAsiaDon Mueang International Airport (DMK) → Bandaranaike International Airport (CMB)out nonstop, back nonstopfound 3 days agoSee prices for these dates
19 Dec – 15 Jan 2027$381Thai AirAsiaDon Mueang International Airport (DMK) → Bandaranaike International Airport (CMB)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Which month looks cheapest?

April 2027 is the cheapest month — from $295.

November 2026From $3593 departure dates28 Nov – 9 Dec · found 3 days agoSee prices for these dates
December 2026From $3517 departure dates18 Dec – 8 Jan 2027 · found 3 days agoSee prices for these dates
January 2027From $3286 departure dates27 Jan 2027 – 26 Feb 2027 · found 3 days agoSee prices for these dates
February 2027From $3296 departure dates24 Feb 2027 – 7 Mar 2027 · found 3 days agoSee prices for these dates
March 2027From $3403 departure dates10 Mar 2027 – 25 Mar 2027 · found 19 hours agoSee prices for these dates
April 2027From $295Cheapest seen1 departure date23 Apr 2027 – 24 Apr 2027 · found todaySee prices for these dates
May 2027From $3621 departure date6 May 2027 – 20 May 2027 · found 2 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