Cheap flights from Perth to Bangkok from $146

The month of August is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Perth, with most prices found around $253. The month of May is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Perth averaging around $270.

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Friday when prices can be found for as low as $408. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Perth because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,155.

Our most recent data shows that the best time of day to fly to Bangkok Suvarnabhumi Airport is at noon. Flights from Perth to Bangkok Suvarnabhumi Airport during this time can be as low as $314. In the morning is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $1,006 per ticket.

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

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Perth when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around $401 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Perth for as low as $329 on momondo.

There are 3 cabin classes available to choose from on Perth to Bangkok Suvarnabhumi 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 63% on your flight if you consider stops on a Perth to Bangkok Suvarnabhumi Airport flight.

As of March 2026, prices for Perth to Bangkok Suvarnabhumi Airport flights are approximately 4% cheaper when compared to flights at the same time last year.

Jetstar is the most popular carrier operating from Perth to Bangkok Suvarnabhumi

Jetstar, Thai Airways and Scoot are the top three most popular airlines that fly to Bangkok Suvarnabhumi Airport from Perth according to our data. Jetstar is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Bangkok Suvarnabhumi Airport. Keep in mind that there are 4 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 24% of flights between Perth and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 109 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon 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: 89% of momondo users choosing 1-stop flights on this route connected there.

Flights via Singapore (SIN) offer the lowest average round-trip price of $302.

Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 11h 43m.

Singapore (SIN) has the shortest average layover time for this route: 3h 01m.