Business class flights from Bangkok to Sydney from $1,364 BKK, DMK → SYD, WSI
Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK) → Sydney (Kingsford Smith) Airport (SYD), Western Sydney Airport (WSI)
The cheapest business class return found recently is $2,643 with China Southern Airlines, 28 Dec – 9 Jan 2027, found 6 days ago.
Business class return
The cheapest business class return fare on each of 5 departure dates is usually $2,754 to $3,199.
Business
The lowest business fare we have seen is $2,643, across 5 departure dates.
28 Dec – 9 Jan 2027 · BKK → SYD · China Southern Airlines
out 1 stop, back 1 stop · via CAN · overnight connection · 11 h connection
found 6 days ago
That business fare is 4.9 times the economy fare of $535.
We hold too few return dates with both a business class and an economy fare for the same trip to compare the two.
Every business class date we hold
6 business class fares; the cheapest on each of 5 departure dates.
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | Economy, same dates | |
|---|---|---|---|---|---|---|---|
| 17 Dec – 4 Jan 2027 | $3,284 | Shenzhen Airlines | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back 1 stop | found 7 days ago | None held | See prices for these dates |
| 28 Dec – 9 Jan 2027 | $2,643 | China Southern Airlines | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back 1 stop | found 6 days ago | None held | See prices for these dates |
| 13 Jan 2027 – 24 Jan 2027 | $2,754 | Philippine Airlines | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back 1 stop | found 8 days ago | None held | See prices for these dates |
| 14 Jan 2027 – 25 Jan 2027 | $2,754 | Philippine Airlines | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back 1 stop | found 8 days ago | None held | See prices for these dates |
| 15 Jan 2027 – 26 Jan 2027 | $3,199 | Philippine Airlines | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back 1 stop | found 8 days ago | None held | See prices for these dates |
Business class one-way
The cheapest business class one-way fare on each of 13 departure dates is usually $1,532 to $1,781.
Business
The lowest business fare we have seen is $1,364, across 13 departure dates.
17 Nov · DMK → SYD · Batik Air Malaysia
1 stop · via KUL · overnight connection · 20 h connection
found 5 days ago
That business fare is 5.1 times the economy fare of $268.
We hold too few one-way dates with both a business class and an economy fare for the same trip to compare the two.
Every business class date we hold
13 business class fares; the cheapest on each of 13 departure dates.
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | Economy, same dates | |
|---|---|---|---|---|---|---|---|
| 17 Nov | $1,364 | Batik Air Malaysia | Don Mueang International Airport (DMK) → Sydney (Kingsford Smith) Airport (SYD) | 1 stop | found 5 days ago | None held | See prices for these dates |
| 21 Nov | $1,505 | Batik Air Malaysia | Don Mueang International Airport (DMK) → Sydney (Kingsford Smith) Airport (SYD) | 1 stop | found 3 days ago | None held | See prices for these dates |
| 3 Dec | $1,408 | Vietjet | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | 1 stop | found 5 days ago | None held | See prices for these dates |
| 14 Jan 2027 | $1,781 | Philippine Airlines | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | 1 stop | found 8 days ago | None held | See prices for these dates |
| 15 Jan 2027 | $1,942 | Jetstar | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | 1 stop | found 8 days ago | None held | See prices for these dates |
| 1 Feb 2027 | $1,806 | Philippine Airlines | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | 1 stop | found 7 days ago | None held | See prices for these dates |
| 2 Feb 2027 | $1,556 | Jetstar | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | 1 stop | found 7 days ago | None held | See prices for these dates |
| 3 Feb 2027 | $1,684 | Batik Air Malaysia | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | 1 stop | found 7 days ago | None held | See prices for these dates |
| 4 Feb 2027 | $1,532 | Jetstar | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | 1 stop | found 7 days ago | None held | See prices for these dates |
| 5 Feb 2027 | $1,684 | Batik Air Malaysia | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | 1 stop | found 7 days ago | None held | See prices for these dates |
| 6 Feb 2027 | $1,801 | Virgin Australia | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | 1 stop | found 7 days ago | None held | See prices for these dates |
| 7 Feb 2027 | $1,532 | Jetstar | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | 1 stop | found 7 days ago | None held | See prices for these dates |
| 8 Feb 2027 | $1,748 | Virgin Australia | Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD) | 3 stops | found 7 days ago | None held | See 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