Cheap flights from Hanoi to Siem Reap, Cambodia from £54
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — SAI
10 Oct — 17 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hanoi Noibai to Siem Reap–Angkor Intl are usually found in June or September, booked 44 days in advance, depart on a Tuesday or Monday and return on a Monday
Cheap flight deals from Hanoi to Siem Reap
Enter your travel dates to find the best prices.
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Best
Direct
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One-way
Cheapest flights from Hanoi to Siem Reap
Explore the most affordable flight options available from Hanoi to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.
Thu 15/1016:20 -
Nonstop1h 45m
Sun 18/1019:05 -
Nonstop1h 45m
Deal found 7/9£114
Wed 21/1016:20 -
Nonstop1h 45m
Thu 5/1119:05 -
Nonstop1h 45m
Deal found 6/9£116
Wed 21/1016:20 -
Nonstop1h 45m
Wed 4/1119:05 -
Nonstop1h 45m
Deal found 6/9£122
Wed 21/1015:30 -
Nonstop1h 40m
Thu 5/1119:05 -
Nonstop1h 45m
Deal found 6/9£141
Thu 15/1013:10 -
1 stop3h 15m
Sun 18/1019:05 -
Nonstop1h 45m
Deal found 7/9£142
Mon 14/915:30 -
Nonstop1h 40m
Mon 21/918:05 -
Nonstop1h 45m
Deal found 7/9£143
Wed 21/1013:10 -
1 stop3h 15m
Wed 4/1119:05 -
Nonstop1h 45m
Deal found 6/9£151
Wed 21/1015:30 -
Nonstop1h 40m
Thu 5/1117:05 -
1 stop3h 25m
Deal found 6/9£154
Thu 5/1112:40 -
1 stop3h 30m
Tue 10/1120:30 -
Nonstop1h 45m
Deal found 9/9£158
Mon 26/1015:15 -
Nonstop1h 40m
Thu 12/1117:05 -
1 stop3h 25m
Deal found 5/9£159
Thu 5/1112:40 -
1 stop3h 30m
Sat 14/1120:30 -
Nonstop1h 45m
Deal found 9/9£162
Best flights from Hanoi to Siem Reap
Discover carefully curated flight deals from Hanoi to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.
Thu 15/1016:20 -
Nonstop1h 45m
Sun 18/1019:05 -
Nonstop1h 45m
Deal found 7/9£114
Thu 15/1013:10 -
1 stop3h 15m
Sun 18/1019:05 -
Nonstop1h 45m
Deal found 7/9£142
Tue 10/1118:00 -
Nonstop1h 40m
Thu 12/1117:05 -
1 stop3h 25m
Deal found 9/9£158
Mon 26/1012:40 -
1 stop3h 30m
Sat 14/1120:30 -
Nonstop1h 40m
Deal found 5/9£162
Thu 22/1013:10 -
1 stop3h 15m
Thu 29/1017:05 -
1 stop3h 25m
Deal found 7/9£164
Tue 10/1118:00 -
Nonstop1h 40m
Wed 11/1121:30 -
1 stop12h 40m
Deal found 9/9£193
Sun 25/1015:15 -
Nonstop1h 40m
Fri 13/1121:30 -
1 stop21h 20m
Deal found 5/9£198
Wed 4/1115:00 -
1 stop5h 30m
Sat 7/1117:05 -
1 stop3h 25m
Deal found 8/9£199
Wed 21/1013:10 -
1 stop3h 15m
Tue 3/1121:30 -
1 stop23h 40m
Deal found 6/9£210
Mon 9/1115:05 -
1 stop5h 25m
Sun 15/1121:30 -
1 stop10h 40m
Deal found 9/9£230
Thu 19/1115:00 -
1 stop5h 30m
Sat 21/1121:30 -
1 stop11h 10m
Deal found 9/9£236
Direct flights from Hanoi to Siem Reap
Explore direct flight options from Hanoi to Siem Reap based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.
Thu 15/1016:20 -
Nonstop1h 45m
Sun 18/1019:05 -
Nonstop1h 45m
Deal found 7/9£114
Wed 21/1016:20 -
Nonstop1h 45m
Thu 5/1119:05 -
Nonstop1h 45m
Deal found 6/9£116
Wed 21/1016:20 -
Nonstop1h 45m
Wed 4/1119:05 -
Nonstop1h 45m
Deal found 6/9£122
Wed 21/1015:30 -
Nonstop1h 40m
Thu 5/1119:05 -
Nonstop1h 45m
Deal found 6/9£141
Last-minute flights from Hanoi to Siem Reap
Discover last-minute flight deals from Hanoi to Siem Reap. Data last updated 10 September 2026 and is based on user searches.
Mon 14/915:30 -
Nonstop1h 40m
Mon 21/918:05 -
Nonstop1h 45m
Deal found 7/9£143
Thu 15/1016:20 -
Nonstop1h 45m
Sun 18/1019:05 -
Nonstop1h 45m
Deal found 7/9£114
Thu 15/1013:10 -
1 stop3h 15m
Sun 18/1019:05 -
Nonstop1h 45m
Deal found 7/9£142
Wed 21/1016:20 -
Nonstop1h 45m
Thu 5/1119:05 -
Nonstop1h 45m
Deal found 6/9£116
Wed 21/1016:20 -
Nonstop1h 45m
Wed 4/1119:05 -
Nonstop1h 45m
Deal found 6/9£122
Wed 21/1015:30 -
Nonstop1h 40m
Thu 5/1119:05 -
Nonstop1h 45m
Deal found 6/9£141
Wed 21/1013:10 -
1 stop3h 15m
Wed 4/1119:05 -
Nonstop1h 45m
Deal found 6/9£151
Wed 21/1015:30 -
Nonstop1h 40m
Thu 5/1117:05 -
1 stop3h 25m
Deal found 6/9£154
Thu 22/1013:10 -
1 stop3h 15m
Thu 29/1017:05 -
1 stop3h 25m
Deal found 7/9£164
Sun 25/1015:15 -
Nonstop1h 40m
Thu 12/1117:05 -
1 stop3h 25m
Deal found 5/9£162
Mon 26/1015:15 -
Nonstop1h 40m
Thu 12/1117:05 -
1 stop3h 25m
Deal found 5/9£159
One-way flights from Hanoi to Siem Reap
Search for one-way flight options from Hanoi to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.
Wed 21/1016:20 -
Nonstop1h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£54
Tue 10/1116:20 -
Nonstop1h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£66
Sun 15/1116:20 -
Nonstop1h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£67
Wed 21/1015:30 -
Nonstop1h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£71
Thu 24/1215:15 -
Nonstop1h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£72
Thu 22/1015:30 -
Nonstop1h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£73
Wed 11/1116:20 -
Nonstop1h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£76
Sat 7/1118:00 -
Nonstop1h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£77
Thu 1/1016:20 -
Nonstop1h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£77
Thu 15/1013:10 -
1 stop3h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£83
Wed 21/1016:20 -
Nonstop1h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£89
Find flight deals from Hanoi to Siem Reap
Discover tips and strategies to find the most affordable flight options for your journey from Hanoi (HAN) 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 10 September 2026.
Customise your flight search to find flights from Hanoi 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 7,457,451 searches. Data last updated 10 September 2026.
Use the filters below to find and compare flights from Hanoi to Siem Reap that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
Fastest return journey
HanoiSiem Reap
HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl
HANSAI
Hanoi Noibai
Sat 7/11
18:00-19:40
Nonstop1h 40m
Siem Reap–Angkor Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£77
HanoiSiem Reap
HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl
HANSAI
Hanoi Noibai
Thu 29/10
12:40-16:10
1 stop3h 30m
Siem Reap–Angkor Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£83
HanoiSiem Reap
HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl
HANSAI
Hanoi Noibai
Thu 22/10
13:10-16:25
1 stop3h 15m
Siem Reap–Angkor Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£83
HanoiSiem Reap
HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl
HANSAI
Hanoi Noibai
Wed 21/10
13:10-16:25
1 stop3h 15m
Siem Reap–Angkor Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£84
HanoiSiem Reap
HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl
HANSAI
Hanoi Noibai
Tue 9/2
16:20-18:05
Nonstop1h 45m
Siem Reap–Angkor Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£92
HanoiSiem Reap
HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl
HANSAI
Hanoi Noibai
Thu 22/10
16:20-18:05
Nonstop1h 45m
Siem Reap–Angkor Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£113
HanoiSiem Reap
HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl
HANSAI
Hanoi Noibai
Thu 15/10
16:20-18:05
Nonstop1h 45m
Siem Reap–Angkor Intl
Sun 18/10
19:05-20:50
Nonstop1h 45m
£114
HanoiSiem Reap
HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl
HANSAI
Hanoi Noibai
Fri 20/11
20:30-20:30
1 stop24h 00m
Siem Reap–Angkor Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£122
HanoiSiem Reap
HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl
HANSAI
Hanoi Noibai
Thu 19/11
22:00-20:30
1 stop22h 30m
Siem Reap–Angkor Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£122
HanoiSiem Reap
HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl
HANSAI
Hanoi Noibai
Mon 16/11
17:30-20:30
1 stop27h 00m
Siem Reap–Angkor Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
£122
Flights are sorted by cheapest return flights first.
Deals found on 5/9
Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Hanoi to Siem Reap
Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Hanoi with our price prediction graph.
HAN-SAI
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 from Hanoi to Siem Reap
Prices
Airlines
Delays
How far ahead should I book a flight from Hanoi to Siem Reap?
To ensure you get the cheapest price possible for a flight from Hanoi to Siem Reap, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Hanoi to Siem Reap?
Currently, June is the cheapest month in which you can book a flight from Hanoi to Siem Reap (average of £117). Flying from Hanoi to Siem Reap in May is currently the most expensive (average of £184). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from HAN to SAI?
Find hourly flight availability from Hanoi to Siem Reap. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 September 2026.
When flying from Hanoi to Siem Reap, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost for a return flight from Hanoi to Siem Reap?
Airfare is below average for this route at the moment.
Hanoi to Siem Reap flights typically cost between £117 and £154 in October.The cheapest return price found within the last 5 days was £114 on VietJet Air (15 Oct–18 Oct).
Weekly flight availability from Hanoi to Siem Reap
Explore weekly flight availability from Hanoi to Siem Reap. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 10 September 2026.
The most flights from HAN to SAI are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).
How often are flights from Hanoi to Siem Reap delayed?
About 27% of weekly flights between Hanoi and Siem Reap have experienced delays in the past year, with the average delay time being 99 minutes.
What is the most punctual flight time for Hanoi to Siem Reap flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Hanoi to Siem Reap flights?
Over the past year, Vietnam Airlines have had the lowest number of delays on this route, with just 25% of flights being delayed.
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 10 September 2026.
Read reviews from past customers who have flown with VietJet Air
from Hanoi to Siem Reap. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Check in was too long (58 mn). Online check in wasn’t available on this flight (VJ85).
Related info for your journey
Find useful and relevant information for your journey from Hanoi to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How popular is this Hanoi to Siem Reap flight route?
Flights from Hanoi Noibai to Siem Reap–Angkor Intl have been viewed 2 times in the past calendar month.
How long is the flight from Hanoi to Siem Reap?
Departing from Hanoi to Siem Reap will take you 1h 45m. There are 552 mi between Hanoi and Siem Reap. Both multi-stop and direct flights can be found to your destination and back.
What is the cheapest airline to fly from Hanoi to Siem Reap round-trip?
Our cheapest airline available from Hanoi to Siem Reap is VietJet Air. Our recent data shows that you can find tickets from as low as £103 on this airline. Users have found that VietJet Air is 29% cheaper than the other options available to this destination.
What are the most reliable airlines from Hanoi to Siem Reap?
Before booking your flight to Siem Reap from Hanoi, check out the most reliable airlines to get you to your destination on time: Vietnam Airlines (67%), ANA (67%), Cambodia Angkor Air( 67%).
Can I find deals for flights from Hanoi to Siem Reap that include hotel bookings?
Yes. In addition to deals on Hanoi to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Hanoi to Siem Reap?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hanoi to Siem Reap.
Can I find deals for business class flights from Hanoi to Siem Reap?
Yes. Cheapflights offers flight deals from Hanoi to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Hanoi to Siem Reap?
Currently, June is the cheapest month in which you can book a flight from Hanoi to Siem Reap (average of £117). Flying from Hanoi to Siem Reap in May is currently the most expensive (average of £184). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Discover the top airline that operate flights from Hanoi 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 7,457,451 searches. Data last updated 10 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Hanoi to Siem Reap?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hanoi to Siem Reap. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Hanoi to Siem Reap?
Millions of users choose and trust Cheapflights to book the best flight deals from Hanoi to Siem Reap for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Hanoi to Siem Reap with no change fees?
Certainly. Search results for flights to Siem Reap from Hanoi shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Hanoi to Siem Reap become cheaper?
Not ready to book yet? You can track prices for flights from Hanoi to Siem Reap on Cheapflights with our Price Alert feature and get notified when better prices are available.
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