Cheap flights from Thailand to Sydney from $286

The month of December is, on average, the cheapest month to fly to Sydney from Thailand, with most prices found around $235. If you aren’t able to travel to Sydney during the month of December, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $247.

Our data shows that Thursday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,134. The most expensive day to fly to Sydney is Wednesday, with ticket prices averaging around $1,357.

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Thailand to Sydney in the afternoon for as low as $1,095. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,259 on average. Flights to Sydney from Thailand in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Phuket City to Sydney Kingsford Smith for the best Thailand - Sydney Kingsford Smith flight prices

You are more likely to see cheaper flights to Sydney from Thailand when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,090 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Thailand for as low as $810 on momondo.

Scoot, Jetstar, and Batik Air are the most popular carriers operating from Thailand to Sydney Kingsford Smith

Qantas Airways, Thai Airways and Scoot are the top three most popular airlines that fly to Sydney from Thailand according to our data. Qantas Airways is the first choice among our users, with 39% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 7 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Thailand and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Thai Airways have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

The number of flights available between Thailand and Sydney is 18 per day as of May 2026. The most frequent departure time is 18:00, with 77% of daily flights leaving in the evening.

As of May 2026, there are 128 flights per week flying from Thailand to Sydney. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.