Beijing to Bangkok in December 2026 PEK, PKX → BKK, DMK

Beijing Capital International Airport (PEK), Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)

For departures in December 2026, the cheapest return found recently is $220 with China Southern Airlines, 1 Dec – 15 Dec, found today.

Return

In December 2026, the cheapest return fare on each of 31 departure dates is usually $220 to $249. Across all 179 departure dates we hold on this route, it is usually $232 to $287. Of the 11 months with enough return fares to compare, December 2026 is usually the cheapest.

Cheapest return found recently

$220

1 Dec – 15 Dec · China Southern Airlines

Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)

out 1 stop, back 1 stop

found today

See prices for these dates Check today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in December 2026

Dates	From	Airline	Stops	Found
1 Dec – 15 Dec	$220	China Southern Airlines	out 1 stop, back 1 stop	found today	See prices for these dates
2 Dec – 23 Dec	$220	China Southern Airlines	out 1 stop, back 1 stop	found 9 hours ago	See prices for these dates
5 Dec – 26 Dec	$220	China Southern Airlines	out 1 stop, back 1 stop	found today	See prices for these dates
7 Dec – 19 Dec	$220	China Southern Airlines	out 1 stop, back 1 stop	found today	See prices for these dates
11 Dec – 25 Dec	$220	China Southern Airlines	out 1 stop, back 1 stop	found today	See prices for these dates

Every date we hold

31 departure dates

See the chart as a table

The cheapest price seen for each departure date — per traveler in Economy.
Dates	From	Airline	Airports	Stops	Found
1 Dec – 15 Dec	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
2 Dec – 23 Dec	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found 9 hours ago	See prices for these dates
3 Dec – 11 Dec	$227	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found 2 days ago	See prices for these dates
4 Dec – 15 Dec	$231	Xiamen Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found 2 days ago	See prices for these dates
5 Dec – 26 Dec	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
6 Dec – 16 Dec	$224	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found yesterday	See prices for these dates
7 Dec – 19 Dec	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
8 Dec – 22 Dec	$257	Xiamen Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found 5 days ago	See prices for these dates
9 Dec – 31 Dec	$224	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found 3 days ago	See prices for these dates
10 Dec – 22 Dec	$257	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found 5 days ago	See prices for these dates
11 Dec – 25 Dec	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
12 Dec – 28 Dec	$259	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found 6 days ago	See prices for these dates
13 Dec – 5 Jan 2027	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
14 Dec – 2 Jan 2027	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
15 Dec – 24 Dec	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
16 Dec – 13 Jan 2027	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found yesterday	See prices for these dates
17 Dec – 27 Dec	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
18 Dec – 10 Jan 2027	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found yesterday	See prices for these dates
19 Dec – 9 Jan 2027	$224	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found yesterday	See prices for these dates
20 Dec – 18 Jan 2027	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
21 Dec – 10 Jan 2027	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found yesterday	See prices for these dates
22 Dec – 11 Jan 2027	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found yesterday	See prices for these dates
23 Dec – 12 Jan 2027	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
24 Dec – 13 Jan 2027	$220	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
25 Dec – 16 Jan 2027	$247	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
26 Dec – 21 Jan 2027	$251	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
27 Dec – 16 Jan 2027	$247	China Southern Airlines	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found today	See prices for these dates
28 Dec – 9 Jan 2027	$265	Shandong Airlines	Beijing Capital International Airport (PEK) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found 6 days ago	See prices for these dates
29 Dec – 9 Jan 2027	$262	Shandong Airlines	Beijing Capital International Airport (PEK) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found 6 days ago	See prices for these dates
30 Dec – 24 Jan 2027	$330	China Eastern	Beijing Daxing International Airport (PKX) → Suvarnabhumi Airport (BKK)	out 1 stop, back 1 stop	found 3 days ago	See prices for these dates
31 Dec – 24 Jan 2027	$342	Shenzhen Airlines	Beijing Capital International Airport (PEK) → Suvarnabhumi Airport (BKK)	out 1 stop, back nonstop	found 3 days ago	See prices for these dates

Which month looks cheapest?

October 2026 is the cheapest month — from $220.

October 2026From $220Cheapest seen11 departure dates20 Oct – 7 Nov · found yesterdaySee prices for these dates Every date in October 2026

November 2026From $22028 departure dates1 Nov – 13 Nov · found todaySee prices for these dates Every date in November 2026

December 2026From $22031 departure dates1 Dec – 15 Dec · found todaySee prices for these dates

January 2027From $24029 departure dates6 Jan 2027 – 30 Jan 2027 · found todaySee prices for these dates Every date in January 2027

February 2027From $24023 departure dates17 Feb 2027 – 21 Feb 2027 · found todaySee prices for these dates Every date in February 2027

March 2027From $24728 departure dates1 Mar 2027 – 12 Mar 2027 · found yesterdaySee prices for these dates Every date in March 2027

April 2027From $3276 departure dates12 Apr 2027 – 29 Apr 2027 · found 6 days agoSee prices for these dates Every date in April 2027

May 2027From $2726 departure dates11 May 2027 – 24 May 2027 · found 3 days agoSee prices for these dates Every date in May 2027

June 2027From $2713 departure dates1 Jun 2027 – 27 Jun 2027 · found 3 days agoSee prices for these dates

July 2027From $3019 departure dates3 Jul 2027 – 12 Jul 2027 · found yesterdaySee prices for these dates Every date in July 2027

August 2027From $3283 departure dates11 Aug 2027 – 18 Aug 2027 · found 6 days agoSee prices for these dates

September 2027From $3592 departure dates26 Sept 2027 – 2 Oct 2027 · found yesterdaySee prices for these dates

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