$169+ Cheap flights from Hong Kong (HKG) to Siem Reap, Cambodia (SAI)
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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAI
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Hong Kong to Siem Reap with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Hong Kong to Siem Reap
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Best
Last-minute
One-way
Cheapest flights from Hong Kong to Siem ReapExplore the most affordable flight options available from Hong Kong to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Hong Kong to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This oojo deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:45 pm -
1 stop15h 00m
Sun 9/66:30 pm -
1 stop21h 55m
Deal found 7/31![Vietnam Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:45 pm -
1 stop28h 10m
Thu 8/203:00 pm -
1 stop25h 25m
Deal found 8/1![Vietnam Airlines logo]()
$314
This Booking.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:45 pm -
1 stop28h 10m
Tue 10/206:30 pm -
1 stop21h 55m
Deal found 8/1![Vietnam Airlines logo]()
$325
This oojo deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:45 pm -
1 stop28h 10m
Mon 10/197:40 pm -
1 stop20h 45m
Deal found 8/4![Vietnam Airlines logo]()
$335
This Booking.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:45 pm -
1 stop28h 10m
Sun 8/169:35 am -
1 stop6h 50m
Deal found 8/2![Vietnam Airlines logo]()
$341
This Vietnam Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:45 pm -
1 stop15h 00m
Mon 10/197:40 pm -
1 stop20h 45m
Deal found 8/4![Vietnam Airlines logo]()
$342
This Booking.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:35 pm -
1 stop21h 15m
Mon 10/511:55 am -
1 stop7h 40m
Deal found 8/4![Cambodia Angkor Air logo]()
$365
This oojo deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:45 pm -
1 stop28h 10m
Mon 10/55:20 pm -
2 stops19h 10m
Deal found 8/4![Vietnam Airlines logo]()
$380
This Mytrip deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:40 am -
1 stop11h 25m
Thu 8/207:05 pm -
2 stops22h 45m
Deal found 8/1![Multiple Airlines logo]()
$401
Best flights from Hong Kong to Siem ReapDiscover carefully curated flight deals from Hong Kong to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Hong Kong to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:45 pm -
1 stop28h 10m
Thu 8/203:00 pm -
1 stop25h 25m
Deal found 8/1![Vietnam Airlines logo]()
$314
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:45 pm -
1 stop15h 00m
Sun 9/67:05 pm -
2 stops27h 05m
Deal found 7/31![Multiple Airlines logo]()
$417
This Booking.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:45 pm -
1 stop28h 10m
Tue 10/206:30 pm -
1 stop21h 55m
Deal found 8/1![Vietnam Airlines logo]()
$325
This oojo deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:45 pm -
1 stop28h 10m
Mon 10/197:40 pm -
1 stop20h 45m
Deal found 8/4![Vietnam Airlines logo]()
$335
This Booking.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:45 pm -
1 stop28h 10m
Sun 8/169:35 am -
1 stop6h 50m
Deal found 8/2![Vietnam Airlines logo]()
$341
This Mytrip deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:25 am -
2 stops10h 40m
Sun 8/169:35 am -
1 stop6h 50m
Deal found 8/2![Multiple Airlines logo]()
$458
This Vietnam Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:45 pm -
1 stop15h 00m
Mon 10/195:20 pm -
2 stops19h 10m
Deal found 8/4![Vietnam Airlines logo]()
$365
This Mytrip deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:40 am -
2 stops11h 40m
Thu 8/207:05 pm -
2 stops22h 45m
Deal found 8/1![Multiple Airlines logo]()
$502
This oojo deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:45 pm -
1 stop28h 10m
Mon 10/55:20 pm -
2 stops19h 10m
Deal found 8/4![Vietnam Airlines logo]()
$380
This oojo deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:30 pm -
2 stops26h 40m
Sun 5/26:05 pm -
1 stop18h 25m
Deal found 8/1![Vietnam Airlines logo]()
$452
Last-minute flights from Hong Kong to Siem ReapDiscover last-minute flight deals from Hong Kong to Siem Reap. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Hong Kong to Siem Reap. Data last updated August 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:45 pm -
1 stop28h 10m
Thu 8/203:00 pm -
1 stop25h 25m
Deal found 8/1![Vietnam Airlines logo]()
$314
This Booking.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:45 pm -
1 stop28h 10m
Sun 8/169:35 am -
1 stop6h 50m
Deal found 8/2![Vietnam Airlines logo]()
$341
This Mytrip deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:40 am -
1 stop11h 25m
Thu 8/207:05 pm -
2 stops22h 45m
Deal found 8/1![Multiple Airlines logo]()
$401
This Mytrip deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:25 am -
2 stops10h 40m
Sun 8/169:35 am -
1 stop6h 50m
Deal found 8/2![Multiple Airlines logo]()
$458
This oojo deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:45 pm -
1 stop15h 00m
Sun 9/66:30 pm -
1 stop21h 55m
Deal found 7/31![Vietnam Airlines logo]()
$310
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:45 pm -
1 stop15h 00m
Sun 9/67:05 pm -
2 stops27h 05m
Deal found 7/31![Multiple Airlines logo]()
$417
One-way flights from Hong Kong to Siem ReapSearch for one-way flight options from Hong Kong to Siem Reap. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Hong Kong to Siem Reap. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:40 am -
1 stop11h 25m
Deal found 7/31![Multiple Airlines logo]()
$169
This Booking.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:25 pm -
1 stop23h 25m
Deal found 8/3![Cambodia Airways logo]()
$176
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/86:40 pm -
1 stop26h 50m
Deal found 7/30![Vietnam Airlines logo]()
$182
This CheapOair deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:25 pm -
1 stop23h 25m
Deal found 8/2![Cambodia Airways logo]()
$183
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:40 pm -
1 stop24h 00m
Deal found 7/30![Vietnam Airlines logo]()
$184
This Booking.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:40 pm -
1 stop26h 50m
Deal found 7/30![Vietnam Airlines logo]()
$185
This Cambodia Angkor Air deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cambodia Angkor Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:35 pm -
1 stop21h 15m
Deal found 8/4![Cambodia Angkor Air logo]()
$186
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/36:40 pm -
1 stop26h 50m
Deal found 7/30![Vietnam Airlines logo]()
$191
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:40 pm -
1 stop26h 50m
Deal found 7/30![Vietnam Airlines logo]()
$195
This SmartFares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/26:40 pm -
1 stop26h 50m
Deal found 7/30![Vietnam Airlines logo]()
$201
Find flight deals from Hong Kong to Siem Reap
Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Siem Reap (SAI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 4, 2026.
Round-trip from | $310 (oojo) |
|---|---|
One-way from | $169 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Hong Kong 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 2,558,603 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from Hong Kong to Siem Reap that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Hong KongSiem Reap
HKG - SAI
HKGSAI
Hong Kong Intl
Fri 8/14
6:45 pm-9:55 pm
1 stop28h 10m
Siem Reap–Angkor Intl
Thu 8/20
3:00 pm-5:25 pm
1 stop25h 25m
$314
Hong KongSiem Reap
HKG - SAI
HKGSAI
Hong Kong Intl
Fri 10/16
6:45 pm-9:55 pm
1 stop28h 10m
Siem Reap–Angkor Intl
Tue 10/20
6:30 pm-5:25 pm
1 stop21h 55m
$325
Hong KongSiem Reap
HKG - SAI
HKGSAI
Hong Kong Intl
Fri 10/9
6:45 pm-9:55 pm
1 stop28h 10m
Siem Reap–Angkor Intl
Mon 10/19
7:40 pm-5:25 pm
1 stop20h 45m
$335
Hong KongSiem Reap
HKG - SAI
HKGSAI
Hong Kong Intl
Fri 8/14
6:45 pm-9:55 pm
1 stop28h 10m
Siem Reap–Angkor Intl
Sun 8/16
9:35 am-5:25 pm
1 stop6h 50m
$341
Hong KongSiem Reap
HKG - SAI
HKGSAI
Hong Kong Intl
Sat 10/10
6:45 pm-8:45 am
1 stop15h 00m
Siem Reap–Angkor Intl
Mon 10/19
5:20 pm-1:30 pm
2 stops19h 10m
$365
Hong KongSiem Reap
HKG - SAI
HKGSAI
Hong Kong Intl
Fri 10/2
6:45 pm-9:55 pm
1 stop28h 10m
Siem Reap–Angkor Intl
Mon 10/5
5:20 pm-1:30 pm
2 stops19h 10m
$380
Hong KongSiem Reap
HKG - SAI
HKGSAI
Hong Kong Intl
Fri 9/4
6:45 pm-8:45 am
1 stop15h 00m
Siem Reap–Angkor Intl
Sun 9/6
7:05 pm-11:10 pm
2 stops27h 05m
$417
Hong KongSiem Reap
HKG - SAI
HKGSAI
Hong Kong Intl
Fri 11/13
2:30 pm-4:10 pm
2 stops26h 40m
Siem Reap–Angkor Intl
Sun 5/2
6:05 pm-1:30 pm
1 stop18h 25m
$452
Quickest round-trip
Hong KongSiem Reap
HKG - SAI
HKGSAI
Hong Kong Intl
Fri 8/14
8:25 am-6:05 pm
2 stops10h 40m
Siem Reap–Angkor Intl
Sun 8/16
9:35 am-5:25 pm
1 stop6h 50m
$458
Hong KongSiem Reap
HKG - SAI
HKGSAI
Hong Kong Intl
Fri 8/14
7:40 am-6:20 pm
2 stops11h 40m
Siem Reap–Angkor Intl
Thu 8/20
7:05 pm-6:50 pm
2 stops22h 45m
$502
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Hong Kong to Siem Reap
Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Hong Kong with our price prediction graph.
HKG-SAI
Estimated round-trip 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.
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 August 4, 2026.
Peruse reviews from past customers who have flown with Vietnam Airlines from Hong Kong to Siem Reap to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.3
Crew
8.3
Overall
7.7
Boarding
7.7
Food
6.9
Comfort
7.7
Reviews
1 / 16
2.0
MediocreStephen,Apr 2026
SGN - DAD
Entertainment
6.3
Crew
8.3
Overall
7.7
Boarding
7.7
Food
6.9
Comfort
7.7
Reviews
1 / 16
2.0
MediocreStephen,Apr 2026
SGN - DAD
Related info for your journey
Find useful and relevant information for your journey from Hong Kong to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip to Siem Reap by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Hong Kong to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hong Kong and Siem Reap flights
Browse other Hong Kong and Siem Reap flight options. Last updated on August 4, 2026.
Other flights from Hong Kong
Browse through other flights departing from Hong Kong. Flights are based on user searches made on Cheapflights and were last updated on August 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Hong Kong to Siem Reap
Discover the top airline that operate flights from Hong Kong 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 2,558,603 searches. Data last updated August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$306 | Average$376 | FlexibilityNo cancel fee | On-time81% |