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Nonstop flights from Bangkok to Sydney from $796 BKK, DMK → SYD, WSI

Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK) → Sydney (Kingsford Smith) Airport (SYD), Western Sydney Airport (WSI)

The cheapest nonstop return found recently is $796 with Qantas, 21 Feb 2027 – 5 Mar 2027, found 2 days ago.

Nonstop return

The cheapest nonstop return fare on each of 8 departure dates is usually $857 to $913.

Cheapest nonstop return

$796

21 Feb 2027 – 5 Mar 2027 · Qantas

Suvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD)

Leaves 6:00 p.m. · Return leaves 8:10 p.m. · 19 h 20 min of travel, both ways together

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

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Airlines flying it nonstop on the return fares we hold: Qantas (6 departure dates), THAI Airways (5 departure dates).

On the 8 trips where we hold both on the same dates, nonstop cost a median $313 (58%) more than the cheapest fare with stops. Nonstop was cheaper or the same price on 0 of those 8 trips.

Every nonstop date we hold

Nonstop fares on 8 of the 13 departure dates we hold for this route.

16 Dec – 13 Jan 2027: $843, found 6 days ago19 Jan 2027 – 11 Feb 2027: $1,417, found 7 days ago21 Feb 2027 – 5 Mar 2027: $796, found 2 days ago3 Apr 2027 – 1 May 2027: $962, found 7 days ago26 Apr 2027 – 14 May 2027: $897, found 8 days ago7 Jun 2027 – 20 Jun 2027: $892, found 3 days ago23 Aug 2027 – 16 Sept 2027: $866, found 5 days ago1 Sept 2027 – 30 Sept 2027: $862, found 5 days agoDecJanFebAprJunAugSep
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
16 Dec – 13 Jan 2027$843QantasSuvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 6 days agoSee prices for these dates
19 Jan 2027 – 11 Feb 2027$1,417THAI AirwaysSuvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 7 days agoSee prices for these dates
21 Feb 2027 – 5 Mar 2027$796QantasSuvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 2 days agoSee prices for these dates
3 Apr 2027 – 1 May 2027$962QantasSuvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 7 days agoSee prices for these dates
26 Apr 2027 – 14 May 2027$897QantasSuvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 8 days agoSee prices for these dates
7 Jun 2027 – 20 Jun 2027$892THAI AirwaysSuvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 3 days agoSee prices for these dates
23 Aug 2027 – 16 Sept 2027$866QantasSuvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 5 days agoSee prices for these dates
1 Sept 2027 – 30 Sept 2027$862THAI AirwaysSuvarnabhumi Airport (BKK) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 5 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