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$353+ 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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
— SAI
12 Feb — 19 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Siem Reap in 2026

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 13 January 2026.

Return from

$652

One-way from

$583

Popular in

April

Cheapest in

August

Average price

$1,661
23/2-10/3
  • 23/2-10/3
  • 4 total stops
  • 52h 15m total
  • Sydney to Siem Reap
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31/3
  • 31/3
  • 3 total stops
  • 20h 20m total
  • Sydney to Siem Reap
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Highest demand for flights based on searches. 8% potential increase in price ($113 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease ($71 potential savings vs. average return price).
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Average for return flights in January 2026
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Find flight deals to Siem Reap

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 13 January 2026.

Mon 23/213:35
SYD
-
SAI
2 stops24h 25m
Multiple Airlines
Tue 10/311:00
SAI
-
SYD
2 stops27h 50m
Multiple Airlines
Deal found 11/1$652
Wed 4/316:10
SYD
-
SAI
1 stop27h 45m
Singapore Airlines
Wed 18/310:45
SAI
-
SYD
1 stop27h 10m
Singapore Airlines
Deal found 10/1$936
Tue 23/610:15
SYD
-
SAI
1 stop25h 30m
Multiple Airlines
Thu 16/714:55
SAI
-
SYD
2 stops37h 25m
Multiple Airlines
Deal found 10/1$939
Mon 22/610:15
SYD
-
SAI
2 stops34h 50m
VietJet Air
Sat 11/719:05
SAI
-
SYD
2 stops33h 15m
VietJet Air
Deal found 12/1$953
Tue 23/610:15
SYD
-
SAI
1 stop25h 30m
Multiple Airlines
Wed 15/714:55
SAI
-
SYD
2 stops37h 25m
Multiple Airlines
Deal found 10/1$974
Tue 23/622:10
SYD
-
SAI
1 stop14h 05m
Multiple Airlines
Sun 12/710:00
SAI
-
SYD
2 stops42h 20m
Multiple Airlines
Deal found 10/1$1,011
Mon 22/610:15
SYD
-
SAI
2 stops34h 50m
VietJet Air
Fri 10/719:05
SAI
-
SYD
2 stops33h 15m
VietJet Air
Deal found 10/1$1,017

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 13 January 2026.
Use the filters below to find and compare flights to Siem Reap that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Mon 23/2

13:35-10:00

2 stops24h 25m

Siem Reap–Angkor Intl

Tue 10/3

15:55-06:15

3 stops34h 20m

$754

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sun 1/3

10:45-09:20

1 stop26h 35m

Siem Reap–Angkor Intl

Sat 7/3

15:55-20:35

1 stop24h 40m

$871

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 4/3

16:10-15:55

1 stop27h 45m

Siem Reap–Angkor Intl

Wed 18/3

10:45-11:50

1 stop21h 05m

$951

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Tue 23/6

22:10-09:15

1 stop14h 05m

Siem Reap–Angkor Intl

Thu 16/7

14:55-07:20

2 stops37h 25m

$1,021

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Thu 25/6

10:15-18:05

2 stops34h 50m

Siem Reap–Angkor Intl

Sun 12/7

19:05-07:20

2 stops33h 15m

$1,036

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Fri 26/6

10:15-18:05

2 stops34h 50m

Siem Reap–Angkor Intl

Sat 11/7

19:05-07:20

2 stops33h 15m

$1,036

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sun 28/6

10:15-18:05

2 stops34h 50m

Siem Reap–Angkor Intl

Sun 12/7

19:05-07:20

2 stops33h 15m

$1,036

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Thu 9/4

13:00-09:15

2 stops23h 15m

Siem Reap–Angkor Intl

Tue 14/4

11:00-11:45

2 stops21h 45m

$1,045

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 24/6

10:15-18:05

2 stops34h 50m

Siem Reap–Angkor Intl

Sat 11/7

19:05-07:20

2 stops33h 15m

$1,102

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Thu 9/4

18:00-09:40

1 stop18h 40m

Siem Reap–Angkor Intl

Fri 10/4

16:00-10:25

1 stop15h 25m

$1,108

Flights are sorted by cheapest return flights first.

Deals found on 10/1

Showing 1-10 of 14 results
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 55 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 $682
Vietnam Airlines
Vietnam Airlines
From $729
Virgin Australia
Virgin Australia
From $1,133

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 13 January 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
8.1
Very Good
1,431 reviews
Check prices

Food

7.8

Crew

8.6

Entertainment

8.0

Comfort

8.0

Boarding

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Singapore Airlines
8.1
Very Good
1,431 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Food

7.8

Crew

8.6

Entertainment

8.0

Comfort

8.0

Boarding

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Vietnam Airlines
7.6
Good
220 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Food

7.8

Crew

8.6

Entertainment

8.0

Comfort

8.0

Boarding

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

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 $148, while return flights cost around $373.

  • How much is a return flight to Siem Reap?

    A return flight to Siem Reap will typically cost around $586, however they can be found for as little as $373.

  • 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 40 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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