What is the cheapest airline to fly from Adelaide to Siem Reap round-trip?

Flying on Singapore Airlines is currently your cheapest option to Siem Reap, with prices starting at $914.

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 260.0 inches per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.0 C).

What is the cheapest time of day to fly from ADL to SAI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Adelaide to Siem Reap as you normally would.

Can I find deals for flights from Adelaide to Siem Reap that include hotel bookings?

Yes. In addition to deals on Adelaide to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Adelaide to Siem Reap?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Adelaide to Siem Reap.

Can I find deals for business class flights from Adelaide to Siem Reap?

Yes. Cheapflights offers flight deals from Adelaide to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$902+ Cheap Flights from Adelaide to Siem Reap, Cambodia

Cheap flight deals from Adelaide to Siem Reap

Enter your travel dates to find the best prices.

One-way

One-way flights from Adelaide to Siem Reap
Search for one-way flight options from Adelaide to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.

Tue 29/1215:55 -

2 stops20h 30m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 11/10$902

Wed 30/1206:25 -

2 stops17h 35m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 11/10$1,143

Sun 27/1215:55 -

2 stops20h 50m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 11/10$1,201

Mon 28/1211:30 -

2 stops24h 35m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 11/10$1,320

Mon 28/1218:35 -

1 stop18h 50m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 11/10$1,419

Sun 27/1218:35 -

1 stop24h 55m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 11/10$1,524

Sat 26/1211:00 -

2 stops14h 15m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 11/10$1,981

Mon 28/1220:25 -

3 stops25h 50m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 11/10$5,282

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideSiem Reap

ADL Adelaide - SAI Siem Reap–Angkor Intl

ADLSAI

Adelaide

Wed 30/12

06:25-20:30

2 stops17h 35m

Siem Reap–Angkor Intl

Wed 31/12

00:00-02:30

Nonstop0h 00m

$1,143

AdelaideSiem Reap

ADL Adelaide - SAI Siem Reap–Angkor Intl

ADLSAI

Adelaide

Wed 30/12

10:15-16:00

1 stop33h 15m

Siem Reap–Angkor Intl

Wed 31/12

00:00-02:30

Nonstop0h 00m

$1,524

AdelaideSiem Reap

ADL Adelaide - SAI Siem Reap–Angkor Intl

ADLSAI

Adelaide

Sun 27/12

18:35-16:00

1 stop24h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-02:30

Nonstop0h 00m

$1,524

Fastest return journey

AdelaideSiem Reap

ADL Adelaide - SAI Siem Reap–Angkor Intl

ADLSAI

Adelaide

Sun 27/12

06:25-18:10

3 stops15h 15m

Siem Reap–Angkor Intl

Wed 31/12

00:00-02:30

Nonstop0h 00m

$1,963

AdelaideSiem Reap

ADL Adelaide - SAI Siem Reap–Angkor Intl

ADLSAI

Adelaide

Mon 28/12

20:25-18:45

3 stops25h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-02:30

Nonstop0h 00m

$5,282

Flights are sorted by cheapest return flights first.

Deals found on 11/10

Sorted by cheapest first

Best time to book a flight from Adelaide to Siem Reap

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

ADL-SAI

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Siem Reap

Read reviews from past customers who have flown with Singapore Airlines from Adelaide to Siem Reap. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very Good

1,623 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Singapore Airlines

8.2

Very Good

1,623 reviews

Singapore Airlines

8.2

Very Good

1,623 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Related info for your journey

What is the cheapest airline to fly from Adelaide to Siem Reap round-trip?
Flying on Singapore Airlines is currently your cheapest option to Siem Reap, with prices starting at $914.
Can I find deals for flights from Adelaide to Siem Reap that include hotel bookings?
Yes. In addition to deals on Adelaide to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Adelaide to Siem Reap?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Adelaide to Siem Reap.
Can I find deals for business class flights from Adelaide to Siem Reap?
Yes. Cheapflights offers flight deals from Adelaide to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Complete your trip

Flights by cabin class

Other flight options

Other flights from Adelaide

Popular flights

Complete your trip

Siem Reap car hire

Siem Reap–Angkor Intl Airport car hire

Old French Quarter car hire

Wat Bo Area car hire

Taphul Village Area car hire

Wat Polanka Area car hire

Wat Damnak Area car hire

Night Market Area car hire

Phsar Leu Area car hire

Old Market Area car hire

Royal Gardens Area car hire

Top airline flying from Adelaide to Siem Reap

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$914	Average$1,327	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Adelaide to Siem Reap?

Cheapflights makes it easy to find Adelaide to Siem Reap flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Adelaide to Siem Reap?

Millions of users choose and trust Cheapflights to book the best flight deals from Adelaide to Siem Reap for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Adelaide to Siem Reap with no change fees?

Need flexible booking options for your flight to Siem Reap from Adelaide? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Adelaide to Siem Reap become cheaper?

Yes! Start tracking prices for Adelaide to Siem Reap flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Adelaide to Siem Reap

One-way flights from Adelaide to Siem Reap
Search for one-way flight options from Adelaide to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.

Search for one-way flight options from Adelaide to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Adelaide to Siem Reap that are best for you.

Best time to book a flight from Adelaide to Siem Reap

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

Reviews of airlines servicing Siem Reap

Read reviews from past customers who have flown with Singapore Airlines from Adelaide to Siem Reap. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What is the cheapest airline to fly from Adelaide to Siem Reap round-trip?

Can I find deals for flights from Adelaide to Siem Reap that include hotel bookings?

How can I find direct flights from Adelaide to Siem Reap?

Can I find deals for business class flights from Adelaide to Siem Reap?

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.

Complete your trip

Complete your trip to Siem Reap by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from Adelaide to Siem Reap by cabin class

Find flights from Adelaide to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Adelaide and Siem Reap flights

Browse other Adelaide and Siem Reap flight options. Last updated on 13 October 2026.

Other flights from Adelaide

Browse through other flights departing from Adelaide. Flights are based on user searches made on Cheapflights and were last updated on 13 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Adelaide to Siem Reap

Fly with Cheapflights

How does Cheapflights help users find flights from Adelaide to Siem Reap?

Why should you use Cheapflights to find cheap flight tickets from Adelaide to Siem Reap?

Can Cheapflights find flights from Adelaide to Siem Reap with no change fees?

Can Cheapflights notify me if prices for flights from Adelaide to Siem Reap become cheaper?

100% Free

Book with flexibility

Travel Smart

Cheap flights from Adelaide to Siem Reap, Cambodia from $902

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Adelaide to Siem Reap

One-way flights from Adelaide to Siem ReapSearch for one-way flight options from Adelaide to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.

Search for one-way flight options from Adelaide to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Adelaide to Siem Reap that are best for you.

Best time to book a flight from Adelaide to Siem Reap

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

Reviews of airlines servicing Siem Reap

Read reviews from past customers who have flown with Singapore Airlines from Adelaide to Siem Reap. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What is the cheapest airline to fly from Adelaide to Siem Reap round-trip?

Can I find deals for flights from Adelaide to Siem Reap that include hotel bookings?

How can I find direct flights from Adelaide to Siem Reap?

Can I find deals for business class flights from Adelaide to Siem Reap?

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.

Complete your trip

Complete your trip to Siem Reap by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from Adelaide to Siem Reap by cabin class

Find flights from Adelaide to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Adelaide and Siem Reap flights

Browse other Adelaide and Siem Reap flight options. Last updated on 13 October 2026.

Other flights from Adelaide

Browse through other flights departing from Adelaide. Flights are based on user searches made on Cheapflights and were last updated on 13 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Adelaide to Siem Reap

Fly with Cheapflights

How does Cheapflights help users find flights from Adelaide to Siem Reap?

Why should you use Cheapflights to find cheap flight tickets from Adelaide to Siem Reap?

Can Cheapflights find flights from Adelaide to Siem Reap with no change fees?

Can Cheapflights notify me if prices for flights from Adelaide to Siem Reap become cheaper?

100% Free

Book with flexibility

Travel Smart

One-way flights from Adelaide to Siem Reap
Search for one-way flight options from Adelaide to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.