What is the cheapest month to book a flight from Adelaide to Singapore with Qantas Airways?

Currently, the most affordable month to book a Qantas Airways flight from Adelaide to Singapore in November, with an average price of S$ 706. Conversely, traveling with Qantas Airways from Adelaide to Singapore in December will be the most expensive, with an average cost of S$ 1,270. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).

S$ 991+ Qantas Airways Flights from Adelaide to Singapore

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Cheapest Qantas Airways flights from Adelaide to Singapore
Explore the most affordable Qantas Airways flight options available from Adelaide to Singapore. Find the lowest fares with prices last updated on 29 August 2026.

Wed 23-912:00 -

1 stop11h 35m

Wed 30-910:30 -

1 stop30h 05m

Deal found 26-8S$ 1,174

Fri 28-820:00 -

1 stop26h 45m

Wed 10-323:40 -

1 stop18h 00m

Deal found 28-8S$ 1,305

Fri 28-820:00 -

2 stops23h 45m

Sat 29-822:05 -

1 stop10h 25m

Deal found 28-8S$ 2,599

Qantas Airways flights from Adelaide to Singapore in 2026

One-way from	S$ 1,333
Return from	S$ 991
Popular in	December
Cheapest in	May
Average price (all airlines)	S$ 788

Qantas Airways
23-12
2 total stops
17h 55m total
Adelaide to Singapore

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Qantas Airways
21-11-4-12
2 total stops
29h 00m total
Adelaide to Singapore

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Highest demand for flights from Adelaide to Singapore Changi; 17% potential price increase.

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Best time to find cheap flights from Adelaide to Singapore Changi; 4% potential price drop.

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Average price for all Adelaide to Singapore Changi flights (one-way and round-trip).

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Prices

For Economy class flights, the cheapest month to fly this route is November. The most expensive months are December and October.

Best time to book a flight from Adelaide to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Adelaide with our price prediction graph.

ADL-SIN

Estimated return price

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Find Qantas Airways flight deals from Adelaide to Singapore

Cheapest Qantas Airways flights from Adelaide to Singapore
Explore the most affordable Qantas Airways flight options available from Adelaide to Singapore. Find the lowest fares with prices last updated on 29 August 2026.

Explore the most affordable Qantas Airways flight options available from Adelaide to Singapore. Find the lowest fares with prices last updated on 29 August 2026.

Best Qantas Airways flights from Adelaide to Singapore
Discover carefully curated Qantas Airways flight deals from Adelaide to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2026.

Discover carefully curated Qantas Airways flight deals from Adelaide to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2026.

Last-minute Qantas Airways flights from Adelaide to Singapore
Discover last-minute Qantas Airways flight deals from Adelaide to Singapore. Data last updated 29 August 2026 and is based on user searches.

Discover last-minute Qantas Airways flight deals from Adelaide to Singapore. Data last updated 29 August 2026 and is based on user searches.

One-way Qantas Airways flights to Singapore
Search for one-way Qantas Airways flight options to Singapore. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.

Search for one-way Qantas Airways flight options to Singapore. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.

Qantas Airways flights from Adelaide to Singapore in 2026

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

Which month is the cheapest to fly Economy class from Adelaide to Singapore?

For Economy class flights, the cheapest month to fly this route is November. The most expensive months are December and October.

Rainfall in Singapore by month

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

Temperature in Singapore by month

Best time to book a flight from Adelaide to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Adelaide with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Adelaide to Singapore on another airline

Consider alternative airlines that service the Singapore area. Flight routes are based on user searches made on Cheapflights and were last updated on 29 August 2026.

Complete your trip

Complete your trip to Singapore by adding a car rental and/or hotel reservation to your travel itinerary.

Other airlines serving Adelaide and Singapore

Choose from other airlines serving Adelaide and Singapore.

Other popular destinations in Asia

If Singapore is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 29 August 2026.

Popular flights with Qantas Airways

Browse through some of the most popular routes that Qantas Airways offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 29 August 2026.

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Qantas Airways flights from Adelaide to Singapore (ADL - SIN)

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Cheapest Qantas Airways flights from Adelaide to SingaporeExplore the most affordable Qantas Airways flight options available from Adelaide to Singapore. Find the lowest fares with prices last updated on 29 August 2026.

Explore the most affordable Qantas Airways flight options available from Adelaide to Singapore. Find the lowest fares with prices last updated on 29 August 2026.

Best Qantas Airways flights from Adelaide to SingaporeDiscover carefully curated Qantas Airways flight deals from Adelaide to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2026.

Discover carefully curated Qantas Airways flight deals from Adelaide to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2026.

Last-minute Qantas Airways flights from Adelaide to SingaporeDiscover last-minute Qantas Airways flight deals from Adelaide to Singapore. Data last updated 29 August 2026 and is based on user searches.

Discover last-minute Qantas Airways flight deals from Adelaide to Singapore. Data last updated 29 August 2026 and is based on user searches.

One-way Qantas Airways flights to SingaporeSearch for one-way Qantas Airways flight options to Singapore. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.

Search for one-way Qantas Airways flight options to Singapore. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.

Qantas Airways flights from Adelaide to Singapore in 2026

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

Which month is the cheapest to fly Economy class from Adelaide to Singapore?

For Economy class flights, the cheapest month to fly this route is November. The most expensive months are December and October.

Rainfall in Singapore by month

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

Temperature in Singapore by month

Best time to book a flight from Adelaide to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Adelaide with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Adelaide to Singapore on another airline

Consider alternative airlines that service the Singapore area. Flight routes are based on user searches made on Cheapflights and were last updated on 29 August 2026.

Complete your trip

Complete your trip to Singapore by adding a car rental and/or hotel reservation to your travel itinerary.

Other airlines serving Adelaide and Singapore

Choose from other airlines serving Adelaide and Singapore.

Other popular destinations in Asia

If Singapore is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 29 August 2026.

Popular flights with Qantas Airways

Browse through some of the most popular routes that Qantas Airways offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 29 August 2026.

See what others are saying about Qantas Airways

Overview

Recent reviews

100% Free

Book With Flexibility

Travel Smart

Cheapest Qantas Airways flights from Adelaide to Singapore
Explore the most affordable Qantas Airways flight options available from Adelaide to Singapore. Find the lowest fares with prices last updated on 29 August 2026.

Best Qantas Airways flights from Adelaide to Singapore
Discover carefully curated Qantas Airways flight deals from Adelaide to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2026.

Last-minute Qantas Airways flights from Adelaide to Singapore
Discover last-minute Qantas Airways flight deals from Adelaide to Singapore. Data last updated 29 August 2026 and is based on user searches.

One-way Qantas Airways flights to Singapore
Search for one-way Qantas Airways flight options to Singapore. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.