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$388+ Cheap flights to Siem Reap

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
— SAI
20 May — 27 May1
1 adult
1 adult, Economy, 0 bags

Flights to Siem Reap in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Siem Reap
Explore the most affordable flight options available to Siem Reap. Find the lowest fares based on data from user searches, with prices last updated on 20 April 2026.

Sun 31/510:15
SYD
-
SAI
1 stop11h 05m
Vietnam Airlines
Thu 11/618:55
SAI
-
SYD
1 stop34h 20m
Vietnam Airlines
Deal found 20/4$889
Tue 19/510:15
SYD
-
SAI
1 stop25h 30m
Multiple Airlines
Tue 26/523:50
SAI
-
SYD
2 stops28h 30m
Multiple Airlines
Deal found 18/4$935
Mon 1/620:50
SYD
-
SAI
1 stop22h 45m
Multiple Airlines
Sun 5/719:05
SAI
-
SYD
3 stops45h 30m
Multiple Airlines
Deal found 16/4$949
Tue 1/1211:15
SYD
-
SAI
1 stop25h 55m
Multiple Airlines
Sat 12/1218:50
SAI
-
SYD
1 stop33h 15m
Multiple Airlines
Deal found 17/4$950
Mon 1/610:15
SYD
-
SAI
1 stop11h 05m
Vietnam Airlines
Sun 5/722:35
SAI
-
SYD
1 stop30h 40m
Vietnam Airlines
Deal found 15/4$951
Sun 31/513:00
SYD
-
SAI
2 stops30h 35m
Multiple Airlines
Thu 11/618:55
SAI
-
SYD
1 stop12h 15m
Multiple Airlines
Deal found 20/4$981
Fri 12/614:15
SYD
-
SAI
1 stop29h 55m
Vietnam Airlines
Fri 19/621:45
SAI
-
SYD
1 stop31h 30m
Vietnam Airlines
Deal found 16/4$995

Find flight deals to Siem Reap

Find the latest flights to Siem Reap in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 20 April 2026.

Return from

$935

One-way from

$386

Popular in

December

Cheapest in

September

Average price

$1,046
19/5-26/5
  • 19/5-26/5
  • 3 total stops
  • 54h 00m total
  • Sydney to Siem Reap
Search Deals
15/9
  • 15/9
  • 1 total stop
  • 15h 25m total
  • Sydney to Siem Reap
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($295 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average return price).
Search Deals
Average for return flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Siem Reap that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 20 April 2026.
Use the filters below to find and compare flights to Siem Reap that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Mon 1/6

20:50-16:35

1 stop22h 45m

Siem Reap–Angkor Intl

Sun 5/7

19:05-19:35

3 stops45h 30m

$949
Fastest return journey

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Mon 1/6

10:15-18:20

1 stop11h 05m

Siem Reap–Angkor Intl

Sun 5/7

22:35-08:15

1 stop30h 40m

$953

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Fri 12/6

13:00-18:20

2 stops32h 20m

Siem Reap–Angkor Intl

Fri 19/6

21:45-08:20

2 stops31h 35m

$1,032

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Mon 29/6

09:20-12:15

2 stops29h 55m

Siem Reap–Angkor Intl

Tue 28/7

22:35-07:20

1 stop29h 45m

$1,249

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sat 23/5

15:00-09:40

1 stop21h 40m

Siem Reap–Angkor Intl

Sat 30/5

10:30-16:45

1 stop27h 15m

$1,304

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sat 23/5

10:15-18:20

1 stop11h 05m

Siem Reap–Angkor Intl

Sat 30/5

15:10-08:15

2 stops38h 05m

$1,444
Cheapest one-way

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Tue 8/9

20:50-14:50

1 stop21h 00m

$388

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Tue 8/9

10:15-18:05

2 stops34h 50m

$445

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 5/8

13:00-14:50

2 stops28h 50m

$469

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 7/10

11:15-18:05

2 stops34h 50m

$488

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap 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 to Siem Reap

How long is the flight to Siem Reap?

On average, a flight from Sydney to Siem Reap takes 22 hours 45 minutes. Flights to Siem Reap from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Siem Reap?

The most popular airlines flying from Sydney to Siem Reap are Vietnam Airlines and Singapore Airlines.

Singapore Airlines
Singapore Airlines
From $694
Vietnam Airlines
Vietnam Airlines
From $706
Virgin Australia
Virgin Australia
From $1,061

What are the cheapest airlines that fly to Siem Reap?

The cheapest airlines flying from Sydney to Siem Reap are Vietnam Airlines and Singapore Airlines.

Rainfall in Siem Reap by month

Plan your trip to Siem Reap by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 260.0 mm 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.

Temperature in Siem Reap by month

Plan your trip to Siem Reap by taking into account the average temperature totals by month.

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).

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 20 April 2026.
Get a feel of what it's like to fly with Singapore Airlines and Vietnam Airlines to Cambodia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,499 reviews
Check prices

Boarding

8.3

Crew

8.6

Food

7.8

Overall

8.2

Entertainment

8.0

Comfort

8.0

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.
Singapore Airlines
8.2
Very Good
1,499 reviews
Singapore Airlines
8.2
Very Good
1,499 reviews
Check prices

Boarding

8.3

Crew

8.6

Food

7.8

Overall

8.2

Entertainment

8.0

Comfort

8.0

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.
Vietnam Airlines
7.7
Good
259 reviews
Singapore Airlines
8.2
Very Good
1,499 reviews
Check prices

Boarding

8.3

Crew

8.6

Food

7.8

Overall

8.2

Entertainment

8.0

Comfort

8.0

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.

FAQs about flying to Siem Reap

  • Can I find cheaper flights to Siem Reap if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Siem Reap on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Siem Reap?

    Based on reviews from Cheapflights users, Singapore Airlines is rated the highest out of the airlines that fly to Siem Reap.

  • What is the cheapest airport to fly to in Siem Reap?

    Siem Reap–Angkor Intl is currently the cheapest airport to fly to in Siem Reap. One-way flights to Siem Reap–Angkor Intl typically cost $119, while return flights cost around $331.

  • How much is a return flight to Siem Reap?

    A return flight to Siem Reap will typically cost around $364, however they can be found for as little as $331.

  • Where does the fastest flight to Siem Reap depart from?

    For those looking to save time traveling to Siem Reap, Melbourne offers the quickest one-way flight (10 hours 15 minutes).

  • Does Siem Reap–Angkor Intl have car hire?

    Yes. Those touching down at Siem Reap–Angkor Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Siem Reap–Angkor Intl?

    Yes. Siem Reap–Angkor Intl has hotels nearby for those requiring accommodations. Beng Mealea Lodge is the closest property to Siem Reap–Angkor Intl (9.7 km away from Siem Reap–Angkor Intl).

See more FAQs

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