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Chiang Mai to Bangkok flights in December 2026 from $49 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 $111 with Thai Lion Air, 28 Dec – 4 Jan 2027, found 2 days ago. The cheapest one-way found recently is $49 with Thai AirAsia, 2 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 15 departure dates is usually $112 to $121. Across all 39 departure dates we hold on this route, it is usually $93 to $124. Of the 4 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$111

28 Dec – 4 Jan 2027 · Thai Lion Air

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

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$102

18 Dec – 15 Jan 2027 · Thai Vietjet Air

Chiang Mai International Airport (CNX) → 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
18 Dec – 15 Jan 2027$102Thai Vietjet Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
4 Dec – 6 Dec$105Thai Lion Airout nonstop, back nonstopfound 3 days agoSee prices for these dates
17 Dec – 1 Jan 2027$111Thai AirAsiaout nonstop, back nonstopfound 3 days agoSee prices for these dates
28 Dec – 4 Jan 2027$111Thai Lion Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
6 Dec – 17 Dec$112Thai Lion Airout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

15 departure dates

3 Dec – 4 Dec: $125, found 5 days ago4 Dec – 6 Dec: $105, found 3 days ago5 Dec – 15 Dec: $122, found 7 days ago6 Dec – 17 Dec: $112, found 2 days ago8 Dec – 8 Dec: $125, found 4 days ago11 Dec – 13 Dec: $117, found 5 days ago16 Dec – 20 Dec: $114, found 4 days ago17 Dec – 1 Jan 2027: $111, found 3 days ago18 Dec – 15 Jan 2027: $102, found 4 days ago19 Dec – 20 Dec: $115, found 4 days ago20 Dec – 23 Dec: $116, found 2 days ago21 Dec – 4 Jan 2027: $115, found 3 days ago23 Dec – 23 Dec: $119, found 6 days ago25 Dec – 26 Dec: $140, found 6 days ago28 Dec – 4 Jan 2027: $111, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec – 4 Dec$125Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 5 days agoSee prices for these dates
4 Dec – 6 Dec$105Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 3 days agoSee prices for these dates
5 Dec – 15 Dec$122Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 7 days agoSee prices for these dates
6 Dec – 17 Dec$112Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 2 days agoSee prices for these dates
8 Dec – 8 Dec$125Thai Vietjet AirChiang Mai International Airport (CNX) → Suvarnabhumi Airport (BKK)out nonstop, back nonstopfound 4 days agoSee prices for these dates
11 Dec – 13 Dec$117Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 5 days agoSee prices for these dates
16 Dec – 20 Dec$114Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 4 days agoSee prices for these dates
17 Dec – 1 Jan 2027$111Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 3 days agoSee prices for these dates
18 Dec – 15 Jan 2027$102Thai Vietjet AirChiang Mai International Airport (CNX) → Suvarnabhumi Airport (BKK)out nonstop, back nonstopfound 4 days agoSee prices for these dates
19 Dec – 20 Dec$115Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 4 days agoSee prices for these dates
20 Dec – 23 Dec$116Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 2 days agoSee prices for these dates
21 Dec – 4 Jan 2027$115Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 3 days agoSee prices for these dates
23 Dec – 23 Dec$119Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 6 days agoSee prices for these dates
25 Dec – 26 Dec$140Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 6 days agoSee prices for these dates
28 Dec – 4 Jan 2027$111Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

March 2027 is the cheapest month — from $73.

November 2026From $8814 departure dates18 Nov – 26 Nov · found 7 days agoSee prices for these datesEvery date in November 2026
December 2026From $10215 departure dates18 Dec – 15 Jan 2027 · found 4 days agoSee prices for these dates
January 2027From $825 departure dates21 Jan 2027 – 26 Jan 2027 · found 4 days agoSee prices for these datesEvery date in January 2027
February 2027From $791 departure date11 Feb 2027 – 5 Mar 2027 · found 3 days agoSee prices for these datesEvery date in February 2027
March 2027From $73Cheapest seen4 departure dates2 Mar 2027 – 25 Mar 2027 · found 7 days agoSee prices for these datesEvery date in March 2027

One-way

In December 2026, the cheapest one-way fare on each of 30 departure dates is usually $52 to $56. Across all 95 departure dates we hold on this route, it is usually $40 to $56. Of the 5 months with enough one-way fares to compare, December 2026 is usually the most expensive.

Cheapest one-way found recently

$49

2 Dec · Thai AirAsia

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

nonstop

found 2 days ago

Open this tripCheck today's price

Cheapest we hold, of any age

$48

16 Dec · Thai Vietjet Air

Chiang Mai International Airport (CNX) → 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
16 Dec$48Thai Vietjet Airnonstopfound 3 days agoOpen this trip
2 Dec$49Thai AirAsianonstopfound 2 days agoOpen this trip
23 Dec$50Thai Vietjet Airnonstopfound 5 days agoOpen this trip
24 Dec$50Thai Vietjet Airnonstopfound 2 days agoOpen this trip
1 Dec$51Thai AirAsianonstopfound 4 days agoOpen this trip

Every date we hold

30 departure dates

1 Dec: $51, found 4 days ago2 Dec: $49, found 2 days ago3 Dec: $53, found 5 days ago4 Dec: $56, found 5 days ago5 Dec: $57, found 2 days ago6 Dec: $56, found 2 days ago7 Dec: $65, found 6 days ago8 Dec: $52, found 2 days ago9 Dec: $56, found 6 days ago10 Dec: $52, found 2 days ago12 Dec: $56, found 5 days ago13 Dec: $55, found 3 days ago14 Dec: $61, found 5 days ago15 Dec: $52, found 2 days ago16 Dec: $48, found 3 days ago17 Dec: $51, found 7 days ago18 Dec: $54, found 2 days ago19 Dec: $52, found 4 days ago20 Dec: $60, found 2 days ago21 Dec: $58, found 3 days ago22 Dec: $56, found 5 days ago23 Dec: $50, found 5 days ago24 Dec: $50, found 2 days ago25 Dec: $53, found 3 days ago26 Dec: $53, found 3 days ago27 Dec: $66, found 4 days ago28 Dec: $56, found 3 days ago29 Dec: $56, found 3 days ago30 Dec: $64, found 3 days ago31 Dec: $55, 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$51Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 4 days agoOpen this trip
2 Dec$49Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
3 Dec$53Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 5 days agoOpen this trip
4 Dec$56Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 5 days agoOpen this trip
5 Dec$57Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
6 Dec$56Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
7 Dec$65Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 6 days agoOpen this trip
8 Dec$52Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
9 Dec$56Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 6 days agoOpen this trip
10 Dec$52Thai Vietjet AirChiang Mai International Airport (CNX) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
12 Dec$56Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 5 days agoOpen this trip
13 Dec$55Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
14 Dec$61Nok AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 5 days agoOpen this trip
15 Dec$52Thai Vietjet AirChiang Mai International Airport (CNX) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
16 Dec$48Thai Vietjet AirChiang Mai International Airport (CNX) → Suvarnabhumi Airport (BKK)nonstopfound 3 days agoOpen this trip
17 Dec$51Thai AirAsiaChiang Mai International Airport (CNX) → Suvarnabhumi Airport (BKK)nonstopfound 7 days agoOpen this trip
18 Dec$54Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
19 Dec$52Thai AirAsiaChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 4 days agoOpen this trip
20 Dec$60Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip
21 Dec$58Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
22 Dec$56Thai AirAsiaChiang Mai International Airport (CNX) → Suvarnabhumi Airport (BKK)nonstopfound 5 days agoOpen this trip
23 Dec$50Thai Vietjet AirChiang Mai International Airport (CNX) → Suvarnabhumi Airport (BKK)nonstopfound 5 days agoOpen this trip
24 Dec$50Thai Vietjet AirChiang Mai International Airport (CNX) → Suvarnabhumi Airport (BKK)nonstopfound 2 days agoOpen this trip
25 Dec$53Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
26 Dec$53Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
27 Dec$66Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 4 days agoOpen this trip
28 Dec$56Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
29 Dec$56Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
30 Dec$64Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 3 days agoOpen this trip
31 Dec$55Thai Lion AirChiang Mai International Airport (CNX) → Don Mueang International Airport (DMK)nonstopfound 2 days agoOpen this trip

Which month looks cheapest?

August 2027 is the cheapest month — from $31.

November 2026From $3915 departure dates19 Nov · found 4 days agoOpen this tripEvery date in November 2026
December 2026From $4830 departure dates16 Dec · found 3 days agoOpen this trip
January 2027From $3624 departure dates23 Jan 2027 · found 6 days agoOpen this tripEvery date in January 2027
February 2027From $3510 departure dates11 Feb 2027 · found 5 days agoOpen this tripEvery date in February 2027
March 2027From $359 departure dates17 Mar 2027 · found 7 days agoOpen this tripEvery date in March 2027
April 2027From $392 departure dates25 Apr 2027 · found 6 days agoOpen this trip
May 2027From $611 departure date2 May 2027 · found 6 days agoOpen this trip
June 2027From $452 departure dates16 Jun 2027 · found 5 days agoOpen this trip
August 2027From $31Cheapest seen2 departure dates11 Aug 2027 · found 2 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