Cheap flights from Adelaide to Siem Reap from $608

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — SAI
4 Jun — 11 Jun1
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 5 May 2026.

Sun 12/717:35
ADL
-
SAI
1 stop18h 35m
Singapore Airlines
Sat 25/710:30
SAI
-
ADL
1 stop51h 20m
Singapore Airlines
Deal found 30/4$1,472
Sun 12/709:45
ADL
-
SAI
1 stop26h 00m
Multiple Airlines
Sat 25/715:35
SAI
-
ADL
2 stops28h 05m
Multiple Airlines
Deal found 30/4$1,686

Find flight deals from Adelaide to Siem Reap

Keep the following information in mind while searching for Adelaide to Siem Reap flight deals. Data was last updated 5 May 2026.

Round-trip from

$1,472

One-way from

$608
Singapore Airlines
  • Singapore Airlines
  • 12/7-25/7
  • 2 total stops
  • 69h 55m total
  • Adelaide to Siem Reap
1/6
  • 1/6
  • 2 total stops
  • 29h 55m total
  • Adelaide to Siem Reap

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 5 May 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

Sun 12/7

17:35-09:40

1 stop18h 35m

Siem Reap–Angkor Intl

Sat 25/7

10:30-16:20

1 stop51h 20m

$1,472
Fastest return journey

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Sun 12/7

09:45-09:15

1 stop26h 00m

Siem Reap–Angkor Intl

Sat 25/7

15:35-22:10

2 stops28h 05m

$1,686
Cheapest one-way

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Tue 2/6

17:15-21:55

2 stops31h 10m

$612

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Sat 6/6

17:15-21:55

2 stops31h 10m

$657
Fastest single journey

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Sun 7/6

17:35-09:40

1 stop18h 35m

$864

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Sat 6/6

17:35-09:40

1 stop18h 35m

$943

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Wed 3/6

09:10-09:40

1 stop27h 00m

$1,066

AdelaideSiem Reap

ADL - SAI

ADLSAI

Adelaide

Fri 5/6

17:35-09:40

1 stop18h 35m

$1,344

Flights are sorted by cheapest return flights first.

Deals found on 2/5

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.

Cheapflights Insights

Everything you need to know about your flight from Adelaide to Siem Reap
No data available for this route at this time. Please check back soon.

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 5 May 2026.
Read reviews from past customers who have flown with Singapore Airlines and Virgin Australia from Adelaide to Siem Reap. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Entertainment

8.0

Overall

8.2

Boarding

8.3

Crew

8.6

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Comfort

8.0

Entertainment

8.0

Overall

8.2

Boarding

8.3

Crew

8.6

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Comfort

8.0

Entertainment

8.0

Overall

8.2

Boarding

8.3

Crew

8.6

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

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.
  • What airport do you fly from for flights from Adelaide to Siem Reap?

    For a flight from Adelaide to Siem Reap, you will be flying from Adelaide. Adelaide (ADL) is just 6.6 km from the centre of the city.

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

    Singapore Airlines can get you from Adelaide to Region of Siem Reap in just under 18h 35m. Your travel time can differ by up to . Adelaide and Region of Siem Reap are separated by a distance of 6473 km.

  • 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

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Alternative routes for Adelaide to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.

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 5 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$872Average$1,089FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Virgin AustraliaCheapest$1,058Average$1,190FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Adelaide to Siem Reap flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Siem Reap from Adelaide today and book when prices fit your budget.

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