Cheap flights from Bangkok Suvarnabhumi Airport to Perth from $145

In general, September is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $274. If you are unable to visit Perth during the month of September, then departing from Bangkok Suvarnabhumi Airport during the month May is also very affordable. Most momondo users find prices during this month for around $289.

The cheapest day to depart on your flight to Perth is on a Sunday when prices can be found for as low as $322. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Tuesday, with ticket prices averaging around $977.

In the evening is the cheapest time of day to fly from Bangkok Suvarnabhumi Airport to Perth when you can find flight prices for as low as $406. Flying to Perth in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,027. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Bangkok Suvarnabhumi to Perth for the best Bangkok Suvarnabhumi - Perth flight prices

You are more likely to see cheaper flights to Perth from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Perth for around $407 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Perth from Bangkok Suvarnabhumi Airport for as low as $353 on momondo.

There are 2 cabin classes available to choose from on Bangkok Suvarnabhumi Airport to Perth 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 25% on your flight if you consider stops on a Bangkok Suvarnabhumi Airport to Perth flight.

As of April 2026, prices for Bangkok Suvarnabhumi Airport to Perth flights are approximately 2% cheaper when compared to flights at the same time last year.

Historically, on average around 32% of flights between Bangkok and Perth have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

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

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

According to our data, Thai Airways have had the least number of delays on this route over the last 12 months; with about 21% of their flights experiencing any sort of delay.

Singapore (SIN) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Singapore (SIN) offer the lowest average round-trip price of $479.

Flights connecting via Kuala Lumpur (KUL) have the shortest average one-way travel time: 9h 23m.

Kuala Lumpur (KUL) has the shortest average layover time for this route: 2h 06m.

As of April 2026, there are 8 flights per day flying from Bangkok Suvarnabhumi Airport to Perth. The most common time of day flights depart is 7:00AM, with 38% of flights taking off at noon.

58 flights are operational weekly from Bangkok Suvarnabhumi Airport to Perth as of April 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.