Cheap flights from Sydney to Bangkok from £186

If you don’t want to visit Bangkok Suvarnabhumi Airport in March, then you should wait until February to fly from Sydney, when ticket prices are also cheap, with an average price of £522.

According to our data, Sunday is the cheapest day to fly to Bangkok Suvarnabhumi Airport from Sydney. The lowest ticket price found for a Sunday departure recently was £791. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to Bangkok Suvarnabhumi Airport for around £1,079.

According to our data, the cheapest time of day to fly to Bangkok Suvarnabhumi Airport is in the morning. momondo users have found flights departing from Sydney to Bangkok Suvarnabhumi Airport in the morning for as low as £901. 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 at midday when prices are £1,285 on average. Flights to Bangkok Suvarnabhumi Airport from Sydney at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Sydney Kingsford Smith to Bangkok Suvarnabhumi for the best Sydney Kingsford Smith - Bangkok Suvarnabhumi flight prices

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around £596 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Sydney for as low as £549 on momondo.

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

You could potentially save up to 26% on your flight if you consider stops on a Sydney to Bangkok Suvarnabhumi Airport flight.

As of September 2026, prices for Sydney to Bangkok Suvarnabhumi Airport flights are approximately 9% more expensive when compared to flights at the same time last year.

VietJet Air, Malaysia Airlines, and Bangkok Airways are the most popular carriers operating from Sydney Kingsford Smith to Bangkok Suvarnabhumi

Scoot, Thai Airways and Qantas Airways are the top three most popular airlines that fly to Bangkok Suvarnabhumi Airport from Sydney according to our data. Scoot is the first choice among our users, with 38% of people opting to fly with this airline when travelling to Bangkok Suvarnabhumi Airport. Keep in mind that there are 3 different airlines that fly to Bangkok Suvarnabhumi Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Sydney and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

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

Wednesday 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 13% of their flights experiencing any sort of delay.

Singapore (SIN) was the most common stop: 60% of momondo users choosing one-stop flights on this route connected there.

Flights via Singapore (SIN) offer the lowest average return price of £596.

Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 14h 23m.

Singapore (SIN) has the shortest average stopover time for this route: 2h 51m.

As of September 2026, 16 flights take off from Sydney and land in Bangkok Suvarnabhumi Airport each day. The most common flight departure time for this route is 09:00, with 67% of daily flights taking off at midday.

As of September 2026, 114 flights take off from Sydney and land in Bangkok Suvarnabhumi Airport each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.