Kostanay to Bangkok flights in December 2026 from $802 KSN → BKK, DMK
Kostanay Airport (KSN) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)
For departures in December 2026, the cheapest return found recently is $802 with Vietjet Qazaqstan, 22 Dec – 20 Jan 2027, found 2 days ago.
Return
In December 2026, the cheapest return fare on each of 18 departure dates is usually $723 to $806. Across all 45 departure dates we hold on this route, it is usually $723 to $806. Of the 5 months with enough return fares to compare, 3 are usually cheaper than December 2026.
Cheapest return found recently
$802
22 Dec – 20 Jan 2027 · Vietjet Qazaqstan
Kostanay Airport (KSN) → Suvarnabhumi Airport (BKK)
out 3 stops, back 3 stops
found 2 days ago
Cheapest we hold, of any age
$661
17 Dec – 25 Jan 2027 · FlyArystan
Kostanay Airport (KSN) → Suvarnabhumi Airport (BKK)
out 3 stops, back 2 stops
found 4 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 17 Dec – 25 Jan 2027 | $661 | FlyArystan | out 3 stops, back 2 stops | found 4 days ago | See prices for these dates |
| 16 Dec – 23 Jan 2027 | $691 | FlyArystan | out 1 stop, back 2 stops | found 4 days ago | See prices for these dates |
| 20 Dec – 18 Jan 2027 | $711 | FlyArystan | out 1 stop, back 2 stops | found 5 days ago | See prices for these dates |
| 18 Dec – 13 Jan 2027 | $723 | FlyArystan | out 1 stop, back 2 stops | found 4 days ago | See prices for these dates |
| 21 Dec – 14 Jan 2027 | $723 | Shandong Airlines | out 3 stops, back 3 stops | found 7 days ago | See prices for these dates |
Every date we hold
18 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec – 14 Dec | $769 | Vietjet Qazaqstan | Kostanay Airport (KSN) → Suvarnabhumi Airport (BKK) | out 2 stops, back 1 stop | found 4 days ago | See prices for these dates |
| 4 Dec – 26 Dec | $802 | FlyArystan | Kostanay Airport (KSN) → Don Mueang International Airport (DMK) | out 1 stop, back 2 stops | found 4 days ago | See prices for these dates |
| 6 Dec – 17 Dec | $816 | FlyArystan | Kostanay Airport (KSN) → Don Mueang International Airport (DMK) | out 1 stop, back 2 stops | found 4 days ago | See prices for these dates |
| 8 Dec – 21 Dec | $807 | FlyArystan | Kostanay Airport (KSN) → Don Mueang International Airport (DMK) | out 1 stop, back 2 stops | found 4 days ago | See prices for these dates |
| 12 Dec – 20 Jan 2027 | $737 | FlyArystan | Kostanay Airport (KSN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 15 Dec – 28 Dec | $810 | FlyArystan | Kostanay Airport (KSN) → Don Mueang International Airport (DMK) | out 1 stop, back 2 stops | found 4 days ago | See prices for these dates |
| 16 Dec – 23 Jan 2027 | $691 | FlyArystan | Kostanay Airport (KSN) → Don Mueang International Airport (DMK) | out 1 stop, back 2 stops | found 4 days ago | See prices for these dates |
| 17 Dec – 25 Jan 2027 | $661 | FlyArystan | Kostanay Airport (KSN) → Suvarnabhumi Airport (BKK) | out 3 stops, back 2 stops | found 4 days ago | See prices for these dates |
| 18 Dec – 13 Jan 2027 | $723 | FlyArystan | Kostanay Airport (KSN) → Don Mueang International Airport (DMK) | out 1 stop, back 2 stops | found 4 days ago | See prices for these dates |
| 19 Dec – 12 Jan 2027 | $767 | FlyArystan | Kostanay Airport (KSN) → Don Mueang International Airport (DMK) | out 3 stops, back 2 stops | found 7 days ago | See prices for these dates |
| 20 Dec – 18 Jan 2027 | $711 | FlyArystan | Kostanay Airport (KSN) → Don Mueang International Airport (DMK) | out 1 stop, back 2 stops | found 5 days ago | See prices for these dates |
| 21 Dec – 14 Jan 2027 | $723 | Shandong Airlines | Kostanay Airport (KSN) → Suvarnabhumi Airport (BKK) | out 3 stops, back 3 stops | found 7 days ago | See prices for these dates |
| 22 Dec – 20 Jan 2027 | $802 | Vietjet Qazaqstan | Kostanay Airport (KSN) → Suvarnabhumi Airport (BKK) | out 3 stops, back 3 stops | found 2 days ago | See prices for these dates |
| 23 Dec – 18 Jan 2027 | $724 | FlyArystan | Kostanay Airport (KSN) → Suvarnabhumi Airport (BKK) | out 3 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 24 Dec – 19 Jan 2027 | $768 | FlyArystan | Kostanay Airport (KSN) → Suvarnabhumi Airport (BKK) | out 3 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 26 Dec – 22 Jan 2027 | $803 | FlyArystan | Kostanay Airport (KSN) → Suvarnabhumi Airport (BKK) | out 3 stops, back 1 stop | found 5 days ago | See prices for these dates |
| 29 Dec – 12 Jan 2027 | $1,014 | Vietjet Qazaqstan | Kostanay Airport (KSN) → Suvarnabhumi Airport (BKK) | out 3 stops, back 3 stops | found 7 days ago | See prices for these dates |
| 30 Dec – 27 Jan 2027 | $925 | FlyArystan | Kostanay Airport (KSN) → Suvarnabhumi Airport (BKK) | out 3 stops, back 2 stops | found 5 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $659.
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