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Heihe to Bangkok flights in December 2026 from $192 HEK → BKK, DMK

Heihe Airport (HEK) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)

For departures in December 2026, the cheapest return found recently is $480 with China Eastern, 13 Dec – 7 Jan 2027, found 2 days ago. The cheapest one-way found recently is $192 with Air China, 17 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 14 departure dates is usually $518 to $635. Across all 46 departure dates we hold on this route, it is usually $525 to $686. Of the 6 months with enough return fares to compare, 2 are usually cheaper than December 2026.

Cheapest return found recently

$480

13 Dec – 7 Jan 2027 · China Eastern

Heihe Airport (HEK) → Suvarnabhumi Airport (BKK)

out 2 stops, back 2 stops

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$471

14 Dec – 21 Dec · Chengdu Airlines

Heihe Airport (HEK) → Suvarnabhumi Airport (BKK)

out 2 stops, back 2 stops

found 5 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
14 Dec – 21 Dec$471Chengdu Airlinesout 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
13 Dec – 7 Jan 2027$480China Easternout 2 stops, back 2 stopsfound 2 days agoSee prices for these dates
26 Dec – 11 Jan 2027$485Chengdu Airlinesout 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
22 Dec – 8 Jan 2027$516Chengdu Airlinesout 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
18 Dec – 22 Dec$524China Easternout 1 stop, back 1 stopfound 6 days agoSee prices for these dates

Every date we hold

14 departure dates

5 Dec – 12 Dec: $527, found 4 days ago13 Dec – 7 Jan 2027: $480, found 2 days ago14 Dec – 21 Dec: $471, found 5 days ago18 Dec – 22 Dec: $524, found 6 days ago21 Dec – 8 Jan 2027: $531, found 4 days ago22 Dec – 8 Jan 2027: $516, found 5 days ago24 Dec – 9 Jan 2027: $568, found 5 days ago25 Dec – 7 Jan 2027: $639, found 5 days ago26 Dec – 11 Jan 2027: $485, found 5 days ago27 Dec – 25 Jan 2027: $745, found 2 days ago28 Dec – 12 Jan 2027: $558, found 2 days ago29 Dec – 29 Jan 2027: $651, found 7 days ago30 Dec – 12 Jan 2027: $622, found 4 days ago31 Dec – 19 Jan 2027: $694, found 8 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
5 Dec – 12 Dec$527China EasternHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
13 Dec – 7 Jan 2027$480China EasternHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 2 days agoSee prices for these dates
14 Dec – 21 Dec$471Chengdu AirlinesHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
18 Dec – 22 Dec$524China EasternHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
21 Dec – 8 Jan 2027$531Chengdu AirlinesHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
22 Dec – 8 Jan 2027$516Chengdu AirlinesHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
24 Dec – 9 Jan 2027$568Chengdu AirlinesHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
25 Dec – 7 Jan 2027$639China EasternHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 1 stop, back 2 stopsfound 5 days agoSee prices for these dates
26 Dec – 11 Jan 2027$485Chengdu AirlinesHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
27 Dec – 25 Jan 2027$745China EasternHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 2 days agoSee prices for these dates
28 Dec – 12 Jan 2027$558China EasternHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 2 days agoSee prices for these dates
29 Dec – 29 Jan 2027$651China EasternHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
30 Dec – 12 Jan 2027$622Chengdu AirlinesHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
31 Dec – 19 Jan 2027$694Loong AirHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 8 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $439.

November 2026From $439Cheapest seen4 departure dates17 Nov – 1 Dec · found 6 days agoSee prices for these dates
December 2026From $47114 departure dates14 Dec – 21 Dec · found 5 days agoSee prices for these dates
January 2027From $56112 departure dates7 Jan 2027 – 6 Feb 2027 · found 2 days agoSee prices for these datesEvery date in January 2027
February 2027From $4899 departure dates18 Feb 2027 – 4 Mar 2027 · found 3 days agoSee prices for these datesEvery date in February 2027
March 2027From $5353 departure dates7 Mar 2027 – 21 Mar 2027 · found 2 days agoSee prices for these dates
April 2027From $7573 departure dates6 Apr 2027 – 27 Apr 2027 · found 4 days agoSee prices for these dates
June 2027From $5331 departure date1 Jun 2027 – 14 Jun 2027 · found 2 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 3 departure dates is usually $196 to $208. Across all 26 departure dates we hold on this route, it is usually $256 to $272. Of the 4 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$192

17 Dec · Air China

Heihe Airport (HEK) → Suvarnabhumi Airport (BKK)

2 stops

found 2 days ago

Open this tripCheck today's price

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

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
17 Dec$192Air China2 stopsfound 2 days agoOpen this trip
10 Dec$201Air China2 stopsfound 8 days agoSee prices for these dates
24 Dec$216Shandong Airlines2 stopsfound 8 days agoSee prices for these dates

Every date we hold

3 departure dates

10 Dec: $201, found 8 days ago17 Dec: $192, found 2 days ago24 Dec: $216, found 8 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
10 Dec$201Air ChinaHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)2 stopsfound 8 days agoSee prices for these dates
17 Dec$192Air ChinaHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)2 stopsfound 2 days agoOpen this trip
24 Dec$216Shandong AirlinesHeihe Airport (HEK) → Suvarnabhumi Airport (BKK)2 stopsfound 8 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $191.

November 2026From $191Cheapest seen1 departure date17 Nov · found 3 days agoOpen this trip
December 2026From $1923 departure dates17 Dec · found 2 days agoOpen this trip
January 2027From $25410 departure dates7 Jan 2027 · found 8 days agoSee prices for these datesEvery date in January 2027
February 2027From $3593 departure dates4 Feb 2027 · found 4 days agoOpen this tripEvery date in February 2027
March 2027From $2706 departure dates22 Mar 2027 · found 7 days agoOpen this trip
April 2027From $3971 departure date8 Apr 2027 · found 3 days agoOpen this trip
June 2027From $2831 departure date19 Jun 2027 · found 3 days agoOpen this trip
July 2027From $3571 departure date8 Jul 2027 · found 5 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