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Phnom Penh to Bangkok in December 2026 KTI → BKK, DMK

Techo International (KTI) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)

For departures in December 2026, the cheapest return found recently is $217 with Cambodia Airways, 29 Dec – 7 Jan 2027, found yesterday. The cheapest one-way found recently is $87 with Thai Vietjet Air, 3 Dec, found yesterday.

Return

In December 2026, the cheapest return fare on each of 5 departure dates is usually $198 to $217. Across all 14 departure dates we hold on this route, it is usually $165 to $213. Of the 2 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$217

29 Dec – 7 Jan 2027 · Cambodia Airways

Techo International (KTI) → Suvarnabhumi Airport (BKK)

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$163

2 Dec – 9 Dec · Thai Vietjet Air

Techo International (KTI) → Suvarnabhumi Airport (BKK)

out nonstop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
2 Dec – 9 Dec$163Thai Vietjet Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
12 Dec – 24 Dec$198Thai Vietjet Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
13 Dec – 23 Dec$199Thai Vietjet Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
29 Dec – 7 Jan 2027$217Cambodia Airwaysout nonstop, back nonstopfound yesterdaySee prices for these dates
10 Dec – 22 Dec$226Thai AirAsiaout nonstop, back nonstopfound 4 days agoSee prices for these dates

Every date we hold

5 departure dates

2 Dec – 9 Dec: $163, found 4 days ago10 Dec – 22 Dec: $226, found 4 days ago12 Dec – 24 Dec: $198, found 4 days ago13 Dec – 23 Dec: $199, found 4 days ago29 Dec – 7 Jan 2027: $217, found yesterdayDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Dec – 9 Dec$163Thai Vietjet AirTecho International (KTI) → Suvarnabhumi Airport (BKK)out nonstop, back nonstopfound 4 days agoSee prices for these dates
10 Dec – 22 Dec$226Thai AirAsiaTecho International (KTI) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 4 days agoSee prices for these dates
12 Dec – 24 Dec$198Thai Vietjet AirTecho International (KTI) → Suvarnabhumi Airport (BKK)out nonstop, back nonstopfound 4 days agoSee prices for these dates
13 Dec – 23 Dec$199Thai Vietjet AirTecho International (KTI) → Suvarnabhumi Airport (BKK)out nonstop, back nonstopfound 4 days agoSee prices for these dates
29 Dec – 7 Jan 2027$217Cambodia AirwaysTecho International (KTI) → Suvarnabhumi Airport (BKK)out nonstop, back nonstopfound yesterdaySee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $148.

October 2026From $1722 departure dates24 Oct – 6 Nov · found 4 days agoSee prices for these datesEvery date in October 2026
November 2026From $148Cheapest seen6 departure dates18 Nov – 19 Nov · found 4 days agoSee prices for these datesEvery date in November 2026
December 2026From $1635 departure dates2 Dec – 9 Dec · found 4 days agoSee prices for these dates
March 2027From $2421 departure date31 Mar 2027 – 9 Apr 2027 · found yesterdaySee prices for these datesEvery date in March 2027

One-way

In December 2026, the cheapest one-way fare on each of 16 departure dates is usually $87 to $119. Across all 62 departure dates we hold on this route, it is usually $84 to $98. Of the 7 months with enough one-way fares to compare, December 2026 is usually the most expensive.

Cheapest one-way found recently

$87

3 Dec · Thai Vietjet Air

Techo International (KTI) → Suvarnabhumi Airport (BKK)

nonstop

found yesterday

Open this tripCheck today's price

Cheapest we hold, of any age

$72

12 Dec · Thai Vietjet Air

Techo International (KTI) → Suvarnabhumi Airport (BKK)

nonstop

found 3 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
12 Dec$72Thai Vietjet Airnonstopfound 3 days agoOpen this trip
13 Dec$75Thai Vietjet Airnonstopfound 5 days agoOpen this trip
16 Dec$77Thai Vietjet Airnonstopfound 2 days agoOpen this trip
3 Dec$87Thai Vietjet Airnonstopfound yesterdayOpen this trip
17 Dec$87Thai Vietjet Airnonstopfound yesterdayOpen this trip

Every date we hold

16 departure dates

1 Dec: $88, found 4 days ago3 Dec: $87, found yesterday4 Dec: $98, found 3 days ago8 Dec: $110, found 3 days ago12 Dec: $72, found 3 days ago13 Dec: $75, found 5 days ago16 Dec: $77, found 2 days ago17 Dec: $87, found yesterday18 Dec: $116, found yesterday19 Dec: $140, found yesterday20 Dec: $125, found 3 days ago21 Dec: $117, found yesterday23 Dec: $117, found yesterday26 Dec: $140, found 5 days ago28 Dec: $112, found 2 days ago29 Dec: $126, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec$88Thai Vietjet AirTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound 4 days agoOpen this trip
3 Dec$87Thai Vietjet AirTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound yesterdayOpen this trip
4 Dec$98Thai AirAsiaTecho International (KTI) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
8 Dec$110Thai AirAsiaTecho International (KTI) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
12 Dec$72Thai Vietjet AirTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound 3 days agoOpen this trip
13 Dec$75Thai Vietjet AirTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound 5 days agoOpen this trip
16 Dec$77Thai Vietjet AirTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
17 Dec$87Thai Vietjet AirTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound yesterdayOpen this trip
18 Dec$116Cambodia AirwaysTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound yesterdayOpen this trip
19 Dec$140Air CambodiaTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound yesterdayOpen this trip
20 Dec$125Cambodia AirwaysTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound 3 days agoOpen this trip
21 Dec$117Air CambodiaTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound yesterdayOpen this trip
23 Dec$117Air CambodiaTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound yesterdayOpen this trip
26 Dec$140THAI AirwaysTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound 5 days agoOpen this trip
28 Dec$112Air CambodiaTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
29 Dec$126THAI AirwaysTecho International (KTI) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $72.

October 2026From $768 departure dates31 Oct · found 4 days agoOpen this tripEvery date in October 2026
November 2026From $7715 departure dates2 Nov · found 5 days agoOpen this tripEvery date in November 2026
December 2026From $72Cheapest seen16 departure dates12 Dec · found 3 days agoOpen this trip
January 2027From $839 departure dates20 Jan 2027 · found 5 days agoOpen this tripEvery date in January 2027
February 2027From $794 departure dates22 Feb 2027 · found 2 days agoOpen this trip
March 2027From $957 departure dates12 Mar 2027 · found yesterdayOpen this tripEvery date in March 2027
April 2027From $953 departure dates3 Apr 2027 · found 5 days agoOpen this trip

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