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Chiang Mai to Bangkok in December 2026 CNX → BKK, DMK

Chiang Mai International Airport (CNX) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)

For departures in December 2026, the cheapest return found recently is $108 with Thai Lion Air, 26 Dec – 22 Jan 2027, found yesterday. The cheapest one-way found recently is $47 with Thai Lion Air, 17 Dec, found yesterday.

Return

We hold return fares on only 2 departure dates in December 2026, too few to say what one usually costs.

Cheapest return found recently

$108

26 Dec – 22 Jan 2027 · Thai Lion Air

Chiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)

out nonstop, back nonstop

found yesterday

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
26 Dec – 22 Jan 2027$108Thai Lion Airout nonstop, back nonstopfound yesterdaySee prices for these dates
31 Dec – 2 Jan 2027$111Nok Airout nonstop, back nonstopfound 4 days agoSee prices for these dates

Every date we hold

2 departure dates

26 Dec – 22 Jan 2027: $108, found yesterday31 Dec – 2 Jan 2027: $111, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
26 Dec – 22 Jan 2027$108Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound yesterdaySee prices for these dates
31 Dec – 2 Jan 2027$111Nok AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

October 2026 is the cheapest month — from $71.

October 2026From $71Cheapest seen5 departure dates29 Oct – 30 Oct · found 2 days agoSee prices for these datesEvery date in October 2026
November 2026From $929 departure dates9 Nov – 11 Nov · found 4 days agoSee prices for these datesEvery date in November 2026
December 2026From $1082 departure dates26 Dec – 22 Jan 2027 · found yesterdaySee prices for these dates
January 2027From $821 departure date26 Jan 2027 – 29 Jan 2027 · found 2 days agoSee prices for these datesEvery date in January 2027
February 2027From $771 departure date6 Feb 2027 – 24 Feb 2027 · found 3 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 23 departure dates is usually $47 to $60. Across all 96 departure dates we hold on this route, it is usually $39 to $50. Of the 6 months with enough one-way fares to compare, December 2026 is usually the most expensive.

Cheapest one-way found recently

$47

17 Dec · Thai Lion Air

Chiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)

nonstop

found yesterday

Open this tripCheck today's price

Cheapest we hold, of any age

$39

22 Dec · Thai AirAsia

Chiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)

nonstop

found 3 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
22 Dec$39Thai AirAsianonstopfound 3 days agoOpen this trip
23 Dec$40Thai AirAsianonstopfound 4 days agoOpen this trip
19 Dec$41Thai AirAsianonstopfound 2 days agoOpen this trip
15 Dec$46Thai AirAsianonstopfound 3 days agoOpen this trip
24 Dec$46Thai AirAsianonstopfound 4 days agoOpen this trip

Every date we hold

23 departure dates

1 Dec: $48, found 2 days ago2 Dec: $49, found 4 days ago3 Dec: $47, found 5 days ago4 Dec: $60, found yesterday6 Dec: $55, found 5 days ago7 Dec: $66, found 2 days ago8 Dec: $48, found 2 days ago9 Dec: $59, found 6 days ago12 Dec: $49, found 2 days ago14 Dec: $58, found 5 days ago15 Dec: $46, found 3 days ago17 Dec: $47, found yesterday19 Dec: $41, found 2 days ago20 Dec: $49, found yesterday22 Dec: $39, found 3 days ago23 Dec: $40, found 4 days ago24 Dec: $46, found 4 days ago25 Dec: $50, found 3 days ago26 Dec: $61, found yesterday27 Dec: $66, found 5 days ago28 Dec: $57, found 2 days ago29 Dec: $65, found 2 days ago30 Dec: $67, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec$48Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
2 Dec$49Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 4 days agoOpen this trip
3 Dec$47Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 5 days agoOpen this trip
4 Dec$60Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound yesterdayOpen this trip
6 Dec$55Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 5 days agoOpen this trip
7 Dec$66Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
8 Dec$48Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
9 Dec$59Nok AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 6 days agoOpen this trip
12 Dec$49Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
14 Dec$58Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 5 days agoOpen this trip
15 Dec$46Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
17 Dec$47Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound yesterdayOpen this trip
19 Dec$41Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
20 Dec$49Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound yesterdayOpen this trip
22 Dec$39Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
23 Dec$40Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 4 days agoOpen this trip
24 Dec$46Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 4 days agoOpen this trip
25 Dec$50Nok AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
26 Dec$61Nok AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound yesterdayOpen this trip
27 Dec$66Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 5 days agoOpen this trip
28 Dec$57Nok AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
29 Dec$65Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
30 Dec$67Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

October 2026 is the cheapest month — from $28.

October 2026From $28Cheapest seen12 departure dates29 Oct · found 2 days agoOpen this tripEvery date in October 2026
November 2026From $3428 departure dates1 Nov · found 3 days agoOpen this tripEvery date in November 2026
December 2026From $3923 departure dates22 Dec · found 3 days agoOpen this trip
January 2027From $3219 departure dates14 Jan 2027 · found 2 days agoOpen this tripEvery date in January 2027
February 2027From $386 departure dates5 Feb 2027 · found yesterdayOpen this trip
March 2027From $352 departure dates3 Mar 2027 · found yesterdayOpen this trip
April 2027From $364 departure dates1 Apr 2027 · found todayOpen this trip
July 2027From $302 departure dates15 Jul 2027 · found 4 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