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Cheap flights from Adelaide to Siem Reap, Cambodia from $582

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — SAI
1 Aug — 8 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Adelaide to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Adelaide to Siem Reap
Explore the most affordable flight options available from Adelaide to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2026.

Tue 3/1110:15
ADL
-
SAI
1 stop27h 05m
Singapore Airlines
Thu 12/1110:45
SAI
-
ADL
1 stop27h 05m
Singapore Airlines
Deal found 1/7$1,090
Thu 23/717:35
ADL
-
SAI
1 stop18h 35m
Singapore Airlines
Thu 13/810:30
SAI
-
ADL
1 stop27h 20m
Singapore Airlines
Deal found 28/6$1,163
Mon 10/807:20
ADL
-
SAI
2 stops34h 00m
Multiple Airlines
Fri 14/815:35
SAI
-
ADL
2 stops22h 45m
Multiple Airlines
Deal found 1/7$1,173
Thu 23/707:20
ADL
-
SAI
2 stops34h 00m
Multiple Airlines
Thu 13/815:35
SAI
-
ADL
2 stops16h 15m
Multiple Airlines
Deal found 28/6$1,175
Mon 10/817:35
ADL
-
SAI
1 stop18h 35m
Singapore Airlines
Fri 14/810:30
SAI
-
ADL
1 stop18h 25m
Singapore Airlines
Deal found 1/7$1,188
Wed 5/809:45
ADL
-
SAI
1 stop31h 35m
Multiple Airlines
Wed 12/815:35
SAI
-
ADL
2 stops40h 15m
Multiple Airlines
Deal found 28/6$1,253
Tue 3/1118:35
ADL
-
SAI
2 stops18h 15m
Multiple Airlines
Thu 12/1118:40
SAI
-
ADL
2 stops32h 05m
Multiple Airlines
Deal found 1/7$1,282

Find flight deals from Adelaide to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from Adelaide (ADL) to Siem Reap (SAI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 July 2026.

Round-trip from

$1,163

One-way from

$582
Singapore Airlines
  • Singapore Airlines
  • 23/7-13/8
  • 2 total stops
  • 45h 55m total
  • Adelaide to Siem Reap
Search Deals
21/7
  • 21/7
  • 3 total stops
  • 37h 20m total
  • Adelaide to Siem Reap
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Adelaide to Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 2 July 2026.
Use the filters below to find and compare flights from Adelaide to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Wed 5/8

09:45-14:50

1 stop31h 35m

Siem Reap–Angkor Intl

Wed 12/8

15:35-10:20

2 stops40h 15m

$1,253

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Tue 3/11

18:20-16:10

3 stops25h 20m

Siem Reap–Angkor Intl

Thu 12/11

18:40-14:50

2 stops16h 40m

$1,292
Fastest return journey

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Wed 5/8

18:20-09:40

2 stops17h 50m

Siem Reap–Angkor Intl

Wed 12/8

16:00-10:55

2 stops16h 25m

$1,381

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Sun 20/9

17:35-09:40

1 stop18h 35m

Siem Reap–Angkor Intl

Sun 4/10

10:30-17:20

1 stop27h 20m

$1,385

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Fri 27/11

18:35-09:50

1 stop18h 45m

Siem Reap–Angkor Intl

Fri 11/12

10:45-08:50

1 stop18h 35m

$1,421

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Fri 27/11

06:15-20:30

2 stops17h 45m

Siem Reap–Angkor Intl

Fri 11/12

18:40-14:50

2 stops16h 40m

$1,457

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Mon 14/12

18:35-09:50

1 stop18h 45m

Siem Reap–Angkor Intl

Mon 18/1

16:45-16:10

2 stops19h 55m

$2,064

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Mon 10/8

19:45-18:55

3 stops25h 40m

Siem Reap–Angkor Intl

Fri 14/8

12:55-11:55

2 stops20h 30m

$2,188
Cheapest one-way
Fastest single journey

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Tue 21/7

07:15-18:05

3 stops37h 20m

$582

Flights are sorted by cheapest return flights first.

Deals found on 1/7

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.
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

Get insights into the airlines that provide service to Siem Reap. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siem Reap. Reviews last updated 2 July 2026.
Read reviews from past customers who have flown with Singapore Airlines and Virgin Australia 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
1,557 reviews
Check prices

Boarding

8.3

Comfort

8.0

Crew

8.6

Food

7.8

Overall

8.2

Entertainment

8.1

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
1,557 reviews
Singapore Airlines
8.2
Very Good
1,557 reviews
Check prices

Boarding

8.3

Comfort

8.0

Crew

8.6

Food

7.8

Overall

8.2

Entertainment

8.1

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.
Virgin Australia
7.6
Good
463 reviews
Singapore Airlines
8.2
Very Good
1,557 reviews
Check prices

Boarding

8.3

Comfort

8.0

Crew

8.6

Food

7.8

Overall

8.2

Entertainment

8.1

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

Find useful and relevant information for your journey from Adelaide to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Adelaide to Siem Reap?

    There are many flights that can get you from Adelaide to Siem Reap in 17h 50m. Fly via Singapore Airlines to get the fastest option. The distance from Adelaide to Siem Reap is about 6473 km.

  • What are the cheapest airlines flying from Adelaide to Siem Reap round-trip?

    Flying on Singapore Airlines is currently your cheapest option to Siem Reap, with prices starting at $909. Another option worth looking into is Virgin Australia, starting at $1,102 round trip.

  • 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

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Top 2 airlines flying from Adelaide to Siem Reap

Discover the top 2 airlines that operate flights from Adelaide to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 2 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$909Average$1,135FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Virgin AustraliaCheapest$1,102Average$1,240FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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