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Chiang Rai to Bangkok in December 2026 CEI → BKK, DMK

Chiang Rai International Airport (CEI) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)

For departures in December 2026, the cheapest return found recently is $104 with Thai Lion Air, 28 Dec – 1 Jan 2027, found today. The cheapest one-way found recently is $49 with Thai Lion Air, 10 Dec, found today.

Return

We hold return fares on only 1 departure date in December 2026, too few to say what one usually costs.

Cheapest return found recently

$104

28 Dec – 1 Jan 2027 · Thai Lion Air

Chiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)

out nonstop, back nonstop

found today

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
28 Dec – 1 Jan 2027$104Thai Lion Airout nonstop, back nonstopfound todaySee prices for these dates

Every date we hold

1 departure date

See every date as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
28 Dec – 1 Jan 2027$104Thai Lion AirChiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound todaySee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $86.

November 2026From $86Cheapest seen2 departure dates10 Nov – 12 Nov · found yesterdaySee prices for these datesEvery date in November 2026
December 2026From $1041 departure date28 Dec – 1 Jan 2027 · found todaySee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 11 departure dates is usually $49 to $51. Across all 43 departure dates we hold on this route, it is usually $40 to $50. Of the 3 months with enough one-way fares to compare, December 2026 is usually the most expensive.

Cheapest one-way found recently

$49

10 Dec · Thai Lion Air

Chiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)

nonstop

found today

Open this tripCheck today's price

Cheapest we hold, of any age

$39

19 Dec · Thai Lion Air

Chiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)

nonstop

found 4 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
19 Dec$39Thai Lion Airnonstopfound 4 days agoOpen this trip
1 Dec$47Thai Lion Airnonstopfound 4 days agoOpen this trip
9 Dec$49Thai Lion Airnonstopfound 6 days agoOpen this trip
10 Dec$49Thai Lion Airnonstopfound todayOpen this trip
6 Dec$50Thai AirAsianonstopfound 5 days agoOpen this trip

Every date we hold

11 departure dates

1 Dec: $47, found 4 days ago6 Dec: $50, found 5 days ago7 Dec: $51, found 6 days ago8 Dec: $50, found 6 days ago9 Dec: $49, found 6 days ago10 Dec: $49, found today11 Dec: $50, found 6 days ago12 Dec: $51, found 6 days ago13 Dec: $54, found 6 days ago19 Dec: $39, found 4 days ago28 Dec: $53, found todayDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec$47Thai Lion AirChiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)nonstopfound 4 days agoOpen this trip
6 Dec$50Thai AirAsiaChiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)nonstopfound 5 days agoOpen this trip
7 Dec$51Thai AirAsiaChiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)nonstopfound 6 days agoOpen this trip
8 Dec$50Thai Lion AirChiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)nonstopfound 6 days agoOpen this trip
9 Dec$49Thai Lion AirChiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)nonstopfound 6 days agoOpen this trip
10 Dec$49Thai Lion AirChiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)nonstopfound todayOpen this trip
11 Dec$50Thai Lion AirChiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)nonstopfound 6 days agoOpen this trip
12 Dec$51Thai Lion AirChiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)nonstopfound 6 days agoOpen this trip
13 Dec$54Thai AirAsiaChiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)nonstopfound 6 days agoOpen this trip
19 Dec$39Thai Lion AirChiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)nonstopfound 4 days agoOpen this trip
28 Dec$53Thai Lion AirChiang Rai International Airport (CEI) → Don Mueang International Airport (DMK)nonstopfound todayOpen this trip

Which month looks cheapest?

June 2027 is the cheapest month — from $26.

October 2026From $389 departure dates28 Oct · found 6 days agoOpen this tripEvery date in October 2026
November 2026From $3717 departure dates11 Nov · found 2 days agoOpen this tripEvery date in November 2026
December 2026From $3911 departure dates19 Dec · found 4 days agoOpen this trip
January 2027From $402 departure dates9 Jan 2027 · found 11 hours agoOpen this trip
February 2027From $381 departure date9 Feb 2027 · found 6 days agoOpen this trip
March 2027From $381 departure date20 Mar 2027 · found 6 days agoOpen this trip
June 2027From $26Cheapest seen1 departure date1 Jun 2027 · found 5 days agoOpen this trip
August 2027From $301 departure date26 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