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Belgrade to Bangkok flights in December 2026 from $850 BEG → BKK, DMK

Belgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)

For departures in December 2026, the cheapest return found recently is $850 with Air Serbia, 7 Dec – 19 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 19 departure dates is usually $833 to $1,009. Across all 54 departure dates we hold on this route, it is usually $798 to $891. Of the 6 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$850

7 Dec – 19 Dec · Air Serbia

Belgrad Nikola Tesla Airport (BEG) → 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

$667

8 Dec – 4 Jan 2027 · Hainan Airlines

Belgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)

out 1 stop, back 1 stop

found 3 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
8 Dec – 4 Jan 2027$667Hainan Airlinesout 1 stop, back 1 stopfound 3 days agoSee prices for these dates
13 Dec – 26 Dec$746China Southern Airlinesout 1 stop, back 1 stopfound 4 days agoSee prices for these dates
10 Dec – 24 Dec$766Turkish Airlinesout 2 stops, back 2 stopsfound 7 days agoSee prices for these dates
1 Dec – 20 Dec$799Air Serbiaout 2 stops, back 2 stopsfound 6 days agoSee prices for these dates
9 Dec – 25 Dec$815Air Serbiaout 2 stops, back 2 stopsfound 7 days agoSee prices for these dates

Every date we hold

19 departure dates

1 Dec – 20 Dec: $799, found 6 days ago5 Dec – 2 Jan 2027: $1,002, found 5 days ago6 Dec – 4 Jan 2027: $930, found 4 days ago7 Dec – 19 Dec: $850, found 2 days ago8 Dec – 4 Jan 2027: $667, found 3 days ago9 Dec – 25 Dec: $815, found 7 days ago10 Dec – 24 Dec: $766, found 7 days ago13 Dec – 26 Dec: $746, found 4 days ago17 Dec – 17 Jan 2027: $950, found 5 days ago18 Dec – 2 Feb 2027: $1,015, found 2 days ago22 Dec – 18 Jan 2027: $912, found 3 days ago23 Dec – 19 Jan 2027: $1,026, found 5 days ago24 Dec – 22 Jan 2027: $1,003, found 2 days ago25 Dec – 23 Jan 2027: $1,043, found 5 days ago26 Dec – 19 Jan 2027: $1,112, found 3 days ago27 Dec – 25 Jan 2027: $892, found 2 days ago28 Dec – 23 Jan 2027: $1,028, found 3 days ago30 Dec – 22 Jan 2027: $862, found 2 days ago31 Dec – 31 Jan 2027: $955, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 20 Dec$799Air SerbiaBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 6 days agoSee prices for these dates
5 Dec – 2 Jan 2027$1,002Wizz AirBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
6 Dec – 4 Jan 2027$930Wizz AirBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
7 Dec – 19 Dec$850Air SerbiaBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 2 days agoSee prices for these dates
8 Dec – 4 Jan 2027$667Hainan AirlinesBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
9 Dec – 25 Dec$815Air SerbiaBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 7 days agoSee prices for these dates
10 Dec – 24 Dec$766Turkish AirlinesBelgrad Nikola Tesla Airport (BEG) → Don Mueang International Airport (DMK)out 2 stops, back 2 stopsfound 7 days agoSee prices for these dates
13 Dec – 26 Dec$746China Southern AirlinesBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
17 Dec – 17 Jan 2027$950Turkish AirlinesBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 3 stops, back 3 stopsfound 5 days agoSee prices for these dates
18 Dec – 2 Feb 2027$1,015SCATBelgrad Nikola Tesla Airport (BEG) → Don Mueang International Airport (DMK)out 2 stops, back 2 stopsfound 2 days agoSee prices for these dates
22 Dec – 18 Jan 2027$912Air SerbiaBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 3 stops, back 3 stopsfound 3 days agoSee prices for these dates
23 Dec – 19 Jan 2027$1,026China Southern AirlinesBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
24 Dec – 22 Jan 2027$1,003Air MontenegroBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 3 stops, back 3 stopsfound 2 days agoSee prices for these dates
25 Dec – 23 Jan 2027$1,043Pegasus AirlinesBelgrad Nikola Tesla Airport (BEG) → Don Mueang International Airport (DMK)out 2 stops, back 1 stopfound 5 days agoSee prices for these dates
26 Dec – 19 Jan 2027$1,112KLMBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 3 days agoSee prices for these dates
27 Dec – 25 Jan 2027$892China Southern AirlinesBelgrad Nikola Tesla Airport (BEG) → Don Mueang International Airport (DMK)out 2 stops, back 3 stopsfound 2 days agoSee prices for these dates
28 Dec – 23 Jan 2027$1,028Air SerbiaBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 3 stops, back 2 stopsfound 3 days agoSee prices for these dates
30 Dec – 22 Jan 2027$862China Southern AirlinesBelgrad Nikola Tesla Airport (BEG) → Don Mueang International Airport (DMK)out 2 stops, back 3 stopsfound 2 days agoSee prices for these dates
31 Dec – 31 Jan 2027$955Pegasus AirlinesBelgrad Nikola Tesla Airport (BEG) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 6 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $667.

November 2026From $667Cheapest seen3 departure dates28 Nov – 18 Dec · found 7 days agoSee prices for these dates
December 2026From $66719 departure dates8 Dec – 4 Jan 2027 · found 3 days agoSee prices for these dates
January 2027From $76112 departure dates25 Jan 2027 – 7 Feb 2027 · found 3 days agoSee prices for these datesEvery date in January 2027
February 2027From $7397 departure dates1 Feb 2027 – 28 Feb 2027 · found 7 days agoSee prices for these datesEvery date in February 2027
March 2027From $7018 departure dates17 Mar 2027 – 30 Mar 2027 · found 6 days agoSee prices for these datesEvery date in March 2027
April 2027From $8481 departure date11 Apr 2027 – 2 May 2027 · found 5 days agoSee prices for these dates
May 2027From $8061 departure date19 May 2027 – 2 Jun 2027 · found 5 days agoSee prices for these dates
June 2027From $7703 departure dates8 Jun 2027 – 21 Jun 2027 · found 8 days agoSee 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