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HK$1,489+ Cheap flights to Siem Reap, Cambodia

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 25-5. Fares are subject to change and may not be available on all flights or dates of travel.
— SAI
27 May — 3 Jun1
1 adult
1 adult, Economy, 0 bags

Flights to Siem Reap, Cambodia 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 27 April 2026.

Tue 21-718:45
HKG
-
SAI
1 stop28h 10m
Vietnam Airlines
Thu 23-719:10
SAI
-
HKG
1 stop21h 15m
Vietnam Airlines
Deal found 26-4HK$2,782
Mon 17-814:30
HKG
-
SAI
1 stop27h 40m
Vietnam Airlines
Fri 21-819:10
SAI
-
HKG
1 stop21h 15m
Vietnam Airlines
Deal found 27-4HK$2,931
Thu 2-718:45
HKG
-
SAI
1 stop24h 35m
Vietnam Airlines
Sat 4-718:05
SAI
-
HKG
1 stop18h 25m
Vietnam Airlines
Deal found 26-4HK$3,056
Fri 8-514:30
HKG
-
SAI
1 stop27h 40m
Vietnam Airlines
Sat 16-518:05
SAI
-
HKG
1 stop18h 25m
Vietnam Airlines
Deal found 27-4HK$3,197
Sat 19-1214:30
HKG
-
SAI
1 stop27h 25m
Multiple Airlines
Wed 6-114:50
SAI
-
HKG
1 stop23h 50m
Multiple Airlines
Deal found 25-4HK$3,221
Tue 28-414:30
HKG
-
SAI
1 stop27h 40m
Vietnam Airlines
Fri 1-518:05
SAI
-
HKG
1 stop18h 25m
Vietnam Airlines
Deal found 25-4HK$3,229
Thu 7-518:30
HKG
-
SAI
1 stop15h 45m
Multiple Airlines
Sun 10-519:20
SAI
-
HKG
1 stop24h 15m
Multiple Airlines
Deal found 27-4HK$3,331
Wed 23-1218:40
HKG
-
SAI
1 stop24h 00m
Multiple Airlines
Tue 19-120:45
SAI
-
HKG
1 stop14h 40m
Multiple Airlines
Deal found 25-4HK$3,378

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 70,647 searches and data was last updated on 27 April 2026.

Return from

HK$2,782

One-way from

HK$1,489
Vietnam Airlines
  • Vietnam Airlines
  • 21-7-23-7
  • 2 total stops
  • 49h 25m total
  • Hong Kong to Siem Reap
Search Deals
25-5
  • 25-5
  • 1 total stop
  • 11h 25m total
  • Hong Kong to Siem Reap
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 70,647 searches and data was last updated on 27 April 2026.
Use the filters below to find and compare flights to Siem Reap that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Tue 21-7

18:45-21:55

1 stop28h 10m

Siem Reap–Angkor Intl

Thu 23-7

19:10-17:25

1 stop21h 15m

HK$2,782

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 2-7

18:45-18:20

1 stop24h 35m

Siem Reap–Angkor Intl

Sat 4-7

18:05-13:30

1 stop18h 25m

HK$3,056

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Fri 8-5

14:30-17:10

1 stop27h 40m

Siem Reap–Angkor Intl

Sat 16-5

18:05-13:30

1 stop18h 25m

HK$3,197

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 7-5

18:30-09:15

1 stop15h 45m

Siem Reap–Angkor Intl

Sun 10-5

19:20-20:35

1 stop24h 15m

HK$3,331

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Sat 9-5

18:45-18:20

1 stop24h 35m

Siem Reap–Angkor Intl

Tue 12-5

23:50-14:20

1 stop13h 30m

HK$3,699
Fastest return journey

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Thu 2-7

18:45-18:20

1 stop24h 35m

Siem Reap–Angkor Intl

Sat 4-7

17:20-04:55

2 stops10h 35m

HK$3,816

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Mon 17-8

18:10-20:10

2 stops51h 00m

Siem Reap–Angkor Intl

Fri 21-8

21:10-19:45

2 stops45h 35m

HK$4,224
Cheapest one-way

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Mon 25-5

21:35-11:15

1 stop14h 40m

HK$1,528

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Wed 23-9

18:45-13:15

1 stop19h 30m

HK$1,544

Hong KongSiem Reap

HKG - SAI

HKGSAI

Hong Kong Intl

Wed 20-5

07:40-18:05

1 stop11h 25m

HK$1,552

Flights are sorted by cheapest return flights first.

Deals found on 24-4

Showing 1-10 of 18 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

What are the cheapest airlines that fly to Siem Reap?

The cheapest airlines flying from Hong Kong to Siem Reap are Vietnam Airlines and Bangkok Airways.

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 27 April 2026.
Get a feel of what it's like to fly with Bangkok Airways and Vietnam Airlines to Cambodia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.1
Very Good
127 reviews
Check prices

Overall

8.1

Boarding

8.1

Entertainment

6.3

Crew

8.6

Comfort

8.0

Food

7.3

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Bangkok Airways
8.1
Very Good
127 reviews
Bangkok Airways
8.1
Very Good
127 reviews
Check prices

Overall

8.1

Boarding

8.1

Entertainment

6.3

Crew

8.6

Comfort

8.0

Food

7.3

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Vietnam Airlines
7.7
Good
264 reviews
Bangkok Airways
8.1
Very Good
127 reviews
Check prices

Overall

8.1

Boarding

8.1

Entertainment

6.3

Crew

8.6

Comfort

8.0

Food

7.3

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

FAQs about flying to Siem Reap

  • What airport do you fly into for flights to Siem Reap?

    Travellers will need to book flights to Siem Reap–Angkor Intl (SAI) if they wish to fly to Siem Reap. The Siem Reap airport is 39.7 km from the city centre.

  • 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.

  • Does Siem Reap–Angkor Intl have rental cars?

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

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

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

Yes, Cheapflights offers price alerts on Siem Reap flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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