Cheap flights from Sydney to Thailand from $257

The month of October is, on average, the cheapest month to fly to Thailand from Sydney, with most prices found around $833. If you don’t want to visit Thailand in October, then you should wait until August to fly from Sydney, when ticket prices are also cheap, with an average price of $843.

Our data shows that Wednesday is the least expensive day to fly to Thailand. Tickets to fly out on this day can be as low as $1,303. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Thailand on Thursday is $1,379.

Flying to Thailand from Sydney in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,293 when looking at flights departing in the afternoon. At midday is when there is more demand to fly to Thailand, so prices are often more expensive at around $1,383 per ticket.

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

You are more likely to see cheaper flights to Thailand from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $956 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from Sydney for as low as $884 on momondo.

There are 3 cabin classes available to choose from on Sydney Kingsford Smith to Thailand flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Scoot, China Eastern, and Malaysia Airlines are the most popular carriers operating from Sydney Kingsford Smith to Thailand

Thai Airways, Scoot and Jetstar are the top three most popular airlines that fly to Thailand from Sydney according to our data. Thai Airways is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Thailand. Keep in mind that there are 21 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Sydney and Thailand have experienced a delay on any given week. The average delay length over the past 12 months has been 110 minutes.

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

Sunday 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 10% of their flights experiencing any sort of delay.

As of February 2026, there are 18 flights per day flying from Sydney to Thailand. The most common time of day flights depart is 10:00, with 65% of flights taking off at midday.

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