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$512+ 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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
— SAI
29 Jun — 6 Jul1
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 30 May 2026.

Fri 4/910:15
SYD
-
SAI
2 stops34h 50m
VietJet Air
Tue 8/919:05
SAI
-
SYD
2 stops33h 15m
VietJet Air
Deal found 26/5$881
Fri 30/1014:20
SYD
-
SAI
2 stops29h 45m
Multiple Airlines
Sun 15/1116:50
SAI
-
SYD
2 stops22h 00m
Multiple Airlines
Deal found 26/5$895
Tue 27/1011:15
SYD
-
SAI
2 stops34h 50m
VietJet Air
Fri 6/1119:05
SAI
-
SYD
2 stops33h 00m
VietJet Air
Deal found 26/5$915
Tue 27/1011:50
SYD
-
SAI
1 stop12h 40m
Vietnam Airlines
Mon 9/1118:40
SAI
-
SYD
1 stop11h 10m
Vietnam Airlines
Deal found 26/5$928
Tue 27/1011:15
SYD
-
SAI
2 stops34h 50m
VietJet Air
Tue 3/1119:05
SAI
-
SYD
2 stops33h 00m
VietJet Air
Deal found 26/5$935
Wed 28/1011:50
SYD
-
SAI
1 stop12h 40m
Vietnam Airlines
Thu 5/1117:05
SAI
-
SYD
2 stops16h 10m
Vietnam Airlines
Deal found 26/5$940
Fri 4/910:15
SYD
-
SAI
1 stop11h 05m
Vietnam Airlines
Fri 11/918:05
SAI
-
SYD
1 stop15h 10m
Vietnam Airlines
Deal found 26/5$953
Fri 30/1015:15
SYD
-
SAI
2 stops28h 55m
Vietnam Airlines
Thu 5/1117:05
SAI
-
SYD
2 stops16h 10m
Vietnam Airlines
Deal found 26/5$954
Sun 1/1111:50
SYD
-
SAI
1 stop12h 40m
Vietnam Airlines
Mon 9/1118:40
SAI
-
SYD
1 stop11h 10m
Vietnam Airlines
Deal found 26/5$957
Fri 4/910:15
SYD
-
SAI
2 stops34h 50m
VietJet Air
Mon 14/919:05
SAI
-
SYD
2 stops33h 15m
VietJet Air
Deal found 26/5$966

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 30 May 2026.

Return from

$881

One-way from

$458

Popular in

December

Cheapest in

September

Average price

$1,274
VietJet Air
  • VietJet Air
  • 4/9-8/9
  • 4 total stops
  • 68h 05m total
  • Sydney to Siem Reap
Search Deals
4/9
  • 4/9
  • 2 total stops
  • 34h 50m total
  • Sydney to Siem Reap
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($253 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($53 potential savings vs. average return price).
Search Deals
Average for return flights in May 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 30 May 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

Sun 12/7

15:10-08:45

1 stop20h 35m

Siem Reap–Angkor Intl

Sun 19/7

19:05-19:20

2 stops45h 15m

$1,255

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sat 27/6

10:15-17:10

2 stops33h 55m

Siem Reap–Angkor Intl

Sat 4/7

23:50-07:20

2 stops28h 30m

$1,458

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 8/7

14:15-18:05

1 stop30h 50m

Siem Reap–Angkor Intl

Wed 15/7

09:40-09:40

2 stops21h 00m

$5,776

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 8/7

14:15-17:10

1 stop29h 55m

Siem Reap–Angkor Intl

Wed 15/7

09:35-08:15

1 stop19h 40m

$5,882
Fastest return journey

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 8/7

14:50-09:40

1 stop21h 50m

Siem Reap–Angkor Intl

Wed 15/7

10:30-06:05

1 stop16h 35m

$11,038
Cheapest one-way

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Wed 29/7

20:35-18:05

2 stops48h 30m

$512

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Thu 4/6

10:15-17:10

3 stops33h 55m

$775

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sun 21/6

10:15-08:45

1 stop25h 30m

$1,106

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sun 21/6

10:15-08:45

1 stop25h 30m

$1,160

SydneySiem Reap

SYD - SAI

SYDSAI

Sydney Kingsford Smith

Sat 20/6

11:00-15:10

1 stop31h 10m

$1,267

Flights are sorted by cheapest return flights first.

Deals found on 26/5

Showing 1-10 of 13 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 20 hours 35 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 $709
Vietnam Airlines
Vietnam Airlines
From $734
Virgin Australia
Virgin Australia
From $1,058

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 30 May 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
1,526 reviews
Check prices

Comfort

8.0

Overall

8.2

Entertainment

8.1

Food

7.8

Crew

8.6

Boarding

8.3

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
1,526 reviews
Singapore Airlines
8.2
Very Good
1,526 reviews
Check prices

Comfort

8.0

Overall

8.2

Entertainment

8.1

Food

7.8

Crew

8.6

Boarding

8.3

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.
Vietnam Airlines
7.7
Good
271 reviews
Singapore Airlines
8.2
Very Good
1,526 reviews
Check prices

Comfort

8.0

Overall

8.2

Entertainment

8.1

Food

7.8

Crew

8.6

Boarding

8.3

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.

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, Vietnam Airlines is rated the highest out of the airlines that fly to Siem Reap.

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

    For those looking to save time traveling to Siem Reap, Perth offers the quickest one-way flight (10 hours 45 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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