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Cheap flights from Adelaide to Siem Reap, Cambodia from $518

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — SAI
15 Jul — 22 Jul1
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 15 June 2026.

Mon 19/1018:35
ADL
-
SAI
1 stop48h 05m
Singapore Airlines
Thu 24/1210:45
SAI
-
ADL
1 stop18h 35m
Singapore Airlines
Deal found 12/6$1,146
Sun 19/717:35
ADL
-
SAI
1 stop18h 35m
Singapore Airlines
Sun 2/816:00
SAI
-
ADL
1 stop21h 50m
Singapore Airlines
Deal found 13/6$1,259
Mon 19/1006:25
ADL
-
SAI
2 stops15h 25m
Multiple Airlines
Thu 24/1218:40
SAI
-
ADL
2 stops17h 40m
Multiple Airlines
Deal found 12/6$1,268
Thu 16/710:30
ADL
-
SAI
2 stops34h 05m
Multiple Airlines
Fri 24/715:35
SAI
-
ADL
2 stops17h 10m
Multiple Airlines
Deal found 10/6$1,388
Sun 19/715:00
ADL
-
SAI
2 stops21h 10m
Multiple Airlines
Sun 2/815:35
SAI
-
ADL
2 stops16h 15m
Multiple Airlines
Deal found 13/6$1,441
Mon 13/714:20
ADL
-
SAI
2 stops21h 50m
Singapore Airlines
Tue 28/710:30
SAI
-
ADL
1 stop18h 25m
Singapore Airlines
Deal found 11/6$1,577
Mon 13/721:45
ADL
-
SAI
2 stops23h 05m
Multiple Airlines
Tue 28/719:10
SAI
-
ADL
2 stops22h 00m
Multiple Airlines
Deal found 11/6$1,598
Mon 14/1219:00
ADL
-
SAI
2 stops23h 30m
Multiple Airlines
Mon 18/115:45
SAI
-
ADL
3 stops35h 00m
Multiple Airlines
Deal found 11/6$1,619

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 15 June 2026.

Round-trip from

$1,146

One-way from

$518
Singapore Airlines
  • Singapore Airlines
  • 19/10-24/12
  • 2 total stops
  • 66h 40m total
  • Adelaide to Siem Reap
Search Deals
23/7
  • 23/7
  • 3 total stops
  • 47h 30m 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 15 June 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
Fastest return journey

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Mon 19/10

06:25-18:20

2 stops15h 25m

Siem Reap–Angkor Intl

Thu 24/12

18:40-15:50

2 stops17h 40m

$1,268

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Sun 19/7

18:20-09:40

2 stops17h 50m

Siem Reap–Angkor Intl

Sun 2/8

16:00-16:20

1 stop21h 50m

$1,329

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Mon 13/7

14:20-09:40

2 stops21h 50m

Siem Reap–Angkor Intl

Tue 28/7

10:30-07:25

1 stop18h 25m

$1,577

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Thu 16/7

17:35-09:40

1 stop18h 35m

Siem Reap–Angkor Intl

Fri 24/7

16:00-18:10

2 stops23h 40m

$1,724

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Thu 16/7

10:30-08:45

2 stops24h 45m

Siem Reap–Angkor Intl

Fri 24/7

21:10-07:30

3 stops31h 50m

$1,740

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Sun 12/7

17:35-09:40

1 stop18h 35m

Siem Reap–Angkor Intl

Tue 14/7

10:30-10:05

2 stops21h 05m

$1,815

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Mon 13/7

19:45-18:55

3 stops25h 40m

Siem Reap–Angkor Intl

Tue 28/7

19:35-11:55

2 stops37h 50m

$2,144

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Sun 19/7

19:45-18:55

3 stops25h 40m

Siem Reap–Angkor Intl

Sun 2/8

09:40-11:55

2 stops23h 45m

$2,235
Cheapest one-way

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Thu 23/7

17:50-14:50

3 stops47h 30m

$518

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Mon 22/6

07:20-16:35

2 stops35h 45m

$702

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 15 June 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
1,545 reviews
Check prices

Boarding

8.3

Overall

8.2

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.
Singapore Airlines
8.2
Very Good
1,545 reviews
Singapore Airlines
8.2
Very Good
1,545 reviews
Check prices

Boarding

8.3

Overall

8.2

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.
Virgin Australia
7.6
Good
462 reviews
Singapore Airlines
8.2
Very Good
1,545 reviews
Check prices

Boarding

8.3

Overall

8.2

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

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 $888. Another option worth looking into is Virgin Australia, starting at $1,078 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 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$888Average$1,091FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Virgin AustraliaCheapest$1,078Average$1,213FlexibilityNo 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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