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Bangkok to Udon Thani flights in December 2026 from $38 BKK, DMK → UTH

Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK) → Udon Thani International Airport (UTH)

For departures in December 2026, the cheapest return found recently is $78 with Nok Air, 3 Dec – 16 Dec, found today. The cheapest one-way found recently is $38 with Nok Air, 1 Dec, found yesterday.

Return

In December 2026, the cheapest return fare on each of 7 departure dates is usually $94 to $114. Across all 16 departure dates we hold on this route, it is usually $76 to $113. Of the 3 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$78

3 Dec – 16 Dec · Nok Air

Don Mueang International Airport (DMK) → Udon Thani International Airport (UTH)

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
3 Dec – 16 Dec$78Nok Airout nonstop, back nonstopfound todaySee prices for these dates
1 Dec – 5 Dec$83Nok Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
25 Dec – 29 Dec$105Nok Airout nonstop, back nonstopfound 3 days agoSee prices for these dates
28 Dec – 29 Dec$106Thai AirAsiaout nonstop, back nonstopfound 6 days agoSee prices for these dates
29 Dec – 31 Dec$113Nok Airout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

7 departure dates

1 Dec – 5 Dec: $83, found 4 days ago3 Dec – 16 Dec: $78, found today25 Dec – 29 Dec: $105, found 3 days ago26 Dec – 28 Dec: $114, found yesterday27 Dec – 1 Jan 2027: $121, found yesterday28 Dec – 29 Dec: $106, found 6 days ago29 Dec – 31 Dec: $113, 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 – 5 Dec$83Nok AirDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)out nonstop, back nonstopfound 4 days agoSee prices for these dates
3 Dec – 16 Dec$78Nok AirDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)out nonstop, back nonstopfound todaySee prices for these dates
25 Dec – 29 Dec$105Nok AirDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)out nonstop, back nonstopfound 3 days agoSee prices for these dates
26 Dec – 28 Dec$114Nok AirDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)out nonstop, back nonstopfound yesterdaySee prices for these dates
27 Dec – 1 Jan 2027$121Nok AirDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)out nonstop, back nonstopfound yesterdaySee prices for these dates
28 Dec – 29 Dec$106Thai AirAsiaDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)out nonstop, back nonstopfound 6 days agoSee prices for these dates
29 Dec – 31 Dec$113Nok AirDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $71.

November 2026From $71Cheapest seen4 departure dates28 Nov – 3 Dec · found yesterdaySee prices for these datesEvery date in November 2026
December 2026From $787 departure dates3 Dec – 16 Dec · found todaySee prices for these dates
January 2027From $753 departure dates16 Jan 2027 – 18 Jan 2027 · found 4 days agoSee prices for these dates
February 2027From $761 departure date9 Feb 2027 – 11 Feb 2027 · found yesterdaySee prices for these dates
April 2027From $1301 departure date9 Apr 2027 – 15 Apr 2027 · found 6 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 8 departure dates is usually $44 to $61. Across all 20 departure dates we hold on this route, it is usually $39 to $50. Of the 2 months with enough one-way fares to compare, December 2026 is usually the most expensive.

Cheapest one-way found recently

$38

1 Dec · Nok Air

Don Mueang International Airport (DMK) → Udon Thani International Airport (UTH)

nonstop

found yesterday

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
1 Dec$38Nok Airnonstopfound yesterdayOpen this trip
17 Dec$40Nok Airnonstopfound 4 days agoOpen this trip
10 Dec$45Nok Airnonstopfound 4 days agoOpen this trip
14 Dec$46Nok Airnonstopfound 6 days agoOpen this trip
5 Dec$48Nok Airnonstopfound 5 days agoOpen this trip

Every date we hold

8 departure dates

1 Dec: $38, found yesterday5 Dec: $48, found 5 days ago10 Dec: $45, found 4 days ago14 Dec: $46, found 6 days ago17 Dec: $40, found 4 days ago28 Dec: $60, found 6 days ago29 Dec: $63, found 5 days ago30 Dec: $68, 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$38Nok AirDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)nonstopfound yesterdayOpen this trip
5 Dec$48Nok AirDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)nonstopfound 5 days agoOpen this trip
10 Dec$45Nok AirDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)nonstopfound 4 days agoOpen this trip
14 Dec$46Nok AirDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)nonstopfound 6 days agoOpen this trip
17 Dec$40Nok AirDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)nonstopfound 4 days agoOpen this trip
28 Dec$60Thai AirAsiaDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)nonstopfound 6 days agoOpen this trip
29 Dec$63Nok AirDon Mueang International Airport (DMK) → Udon Thani International Airport (UTH)nonstopfound 5 days agoOpen this trip
30 Dec$68Thai Vietjet AirSuvarnabhumi Airport (BKK) → Udon Thani International Airport (UTH)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $35.

November 2026From $35Cheapest seen9 departure dates22 Nov · found todayOpen this tripEvery date in November 2026
December 2026From $388 departure dates1 Dec · found yesterdayOpen this trip
January 2027From $502 departure dates1 Jan 2027 · found 3 days agoOpen this trip
April 2027From $731 departure date12 Apr 2027 · found 6 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