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

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

For departures in October 2026, the cheapest return found recently is $90 with Nok Air, 20 Oct – 26 Oct, found yesterday. The cheapest one-way found recently is $31 with Thai Lion Air, 27 Oct, found 2 days ago.

Return

In October 2026, the cheapest return fare on each of 8 departure dates is usually $71 to $83. Across all 74 departure dates we hold on this route, it is usually $82 to $105. Of the 5 months with enough return fares to compare, 1 is usually cheaper than October 2026.

Cheapest return found recently

$90

20 Oct – 26 Oct · Nok Air

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

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$66

27 Oct – 27 Oct · Nok Air

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

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

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The cheapest dates in October 2026

DatesFromAirlineStopsFound
27 Oct – 27 Oct$66Nok Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
25 Oct – 27 Oct$69Nok Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
26 Oct – 29 Oct$72Nok Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
21 Oct – 28 Oct$77Nok Airout nonstop, back nonstopfound 3 days agoSee prices for these dates
24 Oct – 29 Oct$80Nok Airout nonstop, back nonstopfound 5 days agoSee prices for these dates

Every date we hold

8 departure dates

20 Oct – 26 Oct: $90, found yesterday21 Oct – 28 Oct: $77, found 3 days ago24 Oct – 29 Oct: $80, found 5 days ago25 Oct – 27 Oct: $69, found 2 days ago26 Oct – 29 Oct: $72, found 2 days ago27 Oct – 27 Oct: $66, found 2 days ago29 Oct – 9 Nov: $92, found 6 days ago31 Oct – 1 Nov: $81, found 2 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
20 Oct – 26 Oct$90Nok AirDon Mueang International Airport (DMK) → Chiang Mai International Airport (CNX)out nonstop, back nonstopfound yesterdaySee prices for these dates
21 Oct – 28 Oct$77Nok AirDon Mueang International Airport (DMK) → Chiang Mai International Airport (CNX)out nonstop, back nonstopfound 3 days agoSee prices for these dates
24 Oct – 29 Oct$80Nok AirDon Mueang International Airport (DMK) → Chiang Mai International Airport (CNX)out nonstop, back nonstopfound 5 days agoSee prices for these dates
25 Oct – 27 Oct$69Nok AirDon Mueang International Airport (DMK) → Chiang Mai International Airport (CNX)out nonstop, back nonstopfound 2 days agoSee prices for these dates
26 Oct – 29 Oct$72Nok AirDon Mueang International Airport (DMK) → Chiang Mai International Airport (CNX)out nonstop, back nonstopfound 2 days agoSee prices for these dates
27 Oct – 27 Oct$66Nok AirDon Mueang International Airport (DMK) → Chiang Mai International Airport (CNX)out nonstop, back nonstopfound 2 days agoSee prices for these dates
29 Oct – 9 Nov$92Thai AirAsiaSuvarnabhumi Airport (BKK) → Chiang Mai International Airport (CNX)out nonstop, back nonstopfound 6 days agoSee prices for these dates
31 Oct – 1 Nov$81Nok AirDon Mueang International Airport (DMK) → Chiang Mai International Airport (CNX)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

October 2026 is the cheapest month — from $66.

October 2026From $66Cheapest seen8 departure dates27 Oct – 27 Oct · found 2 days agoSee prices for these dates
November 2026From $8124 departure dates3 Nov – 7 Nov · found 3 days agoSee prices for these datesEvery date in November 2026
December 2026From $8518 departure dates22 Dec – 8 Jan 2027 · found 6 days agoSee prices for these datesEvery date in December 2026
January 2027From $7817 departure dates5 Jan 2027 – 14 Jan 2027 · found 5 days agoSee prices for these datesEvery date in January 2027
February 2027From $715 departure dates9 Feb 2027 – 16 Feb 2027 · found 3 days agoSee prices for these dates
May 2027From $881 departure date5 May 2027 – 7 May 2027 · found 5 days agoSee prices for these dates
July 2027From $821 departure date1 Jul 2027 – 4 Jul 2027 · found 2 days agoSee prices for these datesEvery date in July 2027

One-way

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

Cheapest one-way found recently

$31

27 Oct · Thai Lion Air

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

nonstop

found 2 days ago

Open this tripCheck today's price

Cheapest we hold, of any age

$30

26 Oct · Nok Air

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

nonstop

found 3 days ago

Open this tripCheck today's price

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The cheapest dates in October 2026

DatesFromAirlineStopsFound
26 Oct$30Nok Airnonstopfound 3 days agoOpen this trip
27 Oct$31Thai Lion Airnonstopfound 2 days agoOpen this trip

Every date we hold

2 departure dates

26 Oct: $30, found 3 days ago27 Oct: $31, found 2 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
26 Oct$30Nok AirDon Mueang International Airport (DMK) → Chiang Mai International Airport (CNX)nonstopfound 3 days agoOpen this trip
27 Oct$31Thai Lion AirDon Mueang International Airport (DMK) → Chiang Mai International Airport (CNX)nonstopfound 2 days agoOpen this trip

Which month looks cheapest?

June 2027 is the cheapest month — from $29.

October 2026From $302 departure dates26 Oct · found 3 days agoOpen this trip
November 2026From $393 departure dates5 Nov · found 4 days agoOpen this tripEvery date in November 2026
December 2026From $403 departure dates12 Dec · found 4 days agoOpen this tripEvery date in December 2026
January 2027From $351 departure date12 Jan 2027 · found 3 days agoOpen this tripEvery date in January 2027
February 2027From $422 departure dates5 Feb 2027 · found 2 days agoOpen this trip
March 2027From $353 departure dates30 Mar 2027 · found 5 days agoOpen this trip
April 2027From $541 departure date15 Apr 2027 · found 2 days agoOpen this trip
June 2027From $29Cheapest seen1 departure date15 Jun 2027 · found 5 days agoOpen this trip
July 2027From $297 departure dates19 Jul 2027 · found 17 hours agoOpen this tripEvery date in July 2027
August 2027From $401 departure date6 Aug 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