Cheap flights from Adelaide to Singapore from $303

In general, August is the cheapest month to fly from Adelaide to Singapore. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $786. If you aren’t able to travel during the month of August, then book flights to Singapore from Adelaide during February instead. Flights to Singapore in February, while not as cheap as those in August, still average around $814.

The cheapest day to depart on your flight to Singapore is on a Monday when prices can be found for as low as $1,160. This is often the case because there is less demand to fly during this day of the week. 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 Singapore on Thursday is $1,225.

In the afternoon is the cheapest time of day to fly from Adelaide to Singapore when you can find flight prices for as low as $1,181. Flying to Singapore in the afternoon 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 $1,221. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Adelaide to Singapore Changi for the best Adelaide - Singapore Changi flight prices

You are more likely to see cheaper flights to Singapore from Adelaide when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $985 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Adelaide for as low as $810 on momondo.

There are 4 cabin classes available to choose from on Adelaide to Singapore Changi 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 2% on your flight if you consider stops on a Adelaide to Singapore flight.

As of March 2026, prices for Adelaide to Singapore flights are approximately 11% cheaper when compared to flights at the same time last year.

Indonesia AirAsia is the most popular carrier operating from Adelaide to Singapore Changi

Singapore Airlines, Jetstar and Qantas Airways are the top three most popular airlines that fly to Singapore from Adelaide according to our data. Singapore Airlines is the first choice among our users, with 66% of people opting to fly with this airline when travelling to Singapore. Keep in mind that there are 7 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Adelaide and Singapore have experienced a delay on any given week. The average delay length over the past 12 months has been 113 minutes.

Generally, flights departing in the morning 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. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Singapore Airlines have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

Melbourne (MEL) was the most common stop: 30% of momondo users choosing one-stop flights on this route connected there.

Flights via Denpasar (DPS) offer the lowest average return price of $779.

Flights connecting via Kuala Lumpur (KUL) have the shortest average one-way travel time: 10h 19m.

Kuala Lumpur (KUL) has the shortest average stopover time for this route: 2h 25m.

As of March 2026, there are 12 flights per day flying from Adelaide to Singapore. The most common time of day flights depart is 10:00, with 58% of flights taking off at midday.

The number of flights available between Adelaide and Singapore is 85 per week as of March 2026. The most frequent departure day is Thu, with 20% of weekly flights leaving on this day.