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Bangkok to Siem Reap in December 2026 BKK, DMK → SAI

Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK) → Siem Reap International Airport (SAI)

For departures in December 2026, the cheapest return found recently is $237 with Emirates, 19 Dec – 5 Jan 2027, found 3 days ago.

Return

In December 2026, the cheapest return fare on each of 9 departure dates is usually $237 to $288. Across all 35 departure dates we hold on this route, it is usually $210 to $246. Of the 5 months with enough return fares to compare, 3 are usually cheaper than December 2026.

Cheapest return found recently

$237

19 Dec – 5 Jan 2027 · Emirates

Suvarnabhumi Airport (BKK) → Siem Reap International Airport (SAI)

out nonstop, back nonstop

found 3 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$232

31 Dec – 2 Jan 2027 · Emirates

Suvarnabhumi Airport (BKK) → Siem Reap International Airport (SAI)

out nonstop, back nonstop

found 6 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
31 Dec – 2 Jan 2027$232Emiratesout nonstop, back nonstopfound 6 days agoSee prices for these dates
2 Dec – 4 Dec$233Thai AirAsiaout nonstop, back nonstopfound 4 days agoSee prices for these dates
1 Dec – 22 Dec$237Emiratesout nonstop, back nonstopfound 5 days agoSee prices for these dates
19 Dec – 5 Jan 2027$237Emiratesout nonstop, back nonstopfound 3 days agoSee prices for these dates
17 Dec – 4 Jan 2027$244Thai AirAsiaout nonstop, back nonstopfound 3 days agoSee prices for these dates

Every date we hold

9 departure dates

1 Dec – 22 Dec: $237, found 5 days ago2 Dec – 4 Dec: $233, found 4 days ago12 Dec – 3 Jan 2027: $288, found 6 days ago17 Dec – 4 Jan 2027: $244, found 3 days ago19 Dec – 5 Jan 2027: $237, found 3 days ago24 Dec – 3 Jan 2027: $322, found 4 days ago27 Dec – 28 Dec: $323, found 3 days ago28 Dec – 9 Jan 2027: $274, found 3 days ago31 Dec – 2 Jan 2027: $232, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 22 Dec$237EmiratesSuvarnabhumi Airport (BKK) → Siem Reap International Airport (SAI)out nonstop, back nonstopfound 5 days agoSee prices for these dates
2 Dec – 4 Dec$233Thai AirAsiaDon Mueang International Airport (DMK) → Siem Reap International Airport (SAI)out nonstop, back nonstopfound 4 days agoSee prices for these dates
12 Dec – 3 Jan 2027$288Thai AirAsiaDon Mueang International Airport (DMK) → Siem Reap International Airport (SAI)out nonstop, back nonstopfound 6 days agoSee prices for these dates
17 Dec – 4 Jan 2027$244Thai AirAsiaDon Mueang International Airport (DMK) → Siem Reap International Airport (SAI)out nonstop, back nonstopfound 3 days agoSee prices for these dates
19 Dec – 5 Jan 2027$237EmiratesSuvarnabhumi Airport (BKK) → Siem Reap International Airport (SAI)out nonstop, back nonstopfound 3 days agoSee prices for these dates
24 Dec – 3 Jan 2027$322Thai AirAsiaDon Mueang International Airport (DMK) → Siem Reap International Airport (SAI)out nonstop, back nonstopfound 4 days agoSee prices for these dates
27 Dec – 28 Dec$323Thai AirAsiaDon Mueang International Airport (DMK) → Siem Reap International Airport (SAI)out nonstop, back nonstopfound 3 days agoSee prices for these dates
28 Dec – 9 Jan 2027$274Thai AirAsiaDon Mueang International Airport (DMK) → Siem Reap International Airport (SAI)out nonstop, back nonstopfound 3 days agoSee prices for these dates
31 Dec – 2 Jan 2027$232EmiratesSuvarnabhumi Airport (BKK) → Siem Reap International Airport (SAI)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $194.

October 2026From $2361 departure date22 Oct – 19 Nov · found 2 days agoSee prices for these dates
November 2026From $194Cheapest seen8 departure dates25 Nov – 16 Dec · found 6 days agoSee prices for these datesEvery date in November 2026
December 2026From $2329 departure dates31 Dec – 2 Jan 2027 · found 6 days agoSee prices for these dates
January 2027From $1957 departure dates29 Jan 2027 – 19 Feb 2027 · found 2 hours agoSee prices for these datesEvery date in January 2027
February 2027From $2004 departure dates11 Feb 2027 – 10 Mar 2027 · found 6 days agoSee prices for these dates
March 2027From $1955 departure dates5 Mar 2027 – 8 Mar 2027 · found 2 days agoSee prices for these dates
September 2027From $2381 departure date22 Sept 2027 – 2 Oct 2027 · found 5 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