Q: How much does it cost to fly round-trip from Hanoi to Siem Reap?

Airfare is above average for this route at the moment. Hanoi to Siem Reap flights typically cost between C$ 221 and C$ 290 in November. The cheapest round-trip price found within the last 5 days was C$ 297 on Vietnam Airlines (5 Nov-10 Nov).

Question 1

Which airline has the best punctuality record on Hanoi to Siem Reap flights?

Accepted Answer

Over the past year, Vietnam Airlines has had the lowest number of delays on this route, with just 25% of flights being delayed.

Question 2

How often are flights from Hanoi to Siem Reap delayed?

Accepted Answer

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.

Question 3

How much does it cost to fly round-trip from Hanoi to Siem Reap?

Accepted Answer

Airfare is above average for this route at the moment.Hanoi to Siem Reap flights typically cost between C$ 221 and C$ 290 in November.
The cheapest round-trip price found within the last 5 days was C$ 297 on Vietnam Airlines (5 Nov-10 Nov).

Question 4

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

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.

Question 5

What is the most punctual flight time for Hanoi to Siem Reap flights?

Accepted Answer

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.

Question 6

How popular is this Hanoi to Siem Reap flight route?

Accepted Answer

This flight path from Hanoi Noibai to Siem Reap–Angkor Intl was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 7

How long is the flight from Hanoi to Siem Reap?

Accepted Answer

Departing from Hanoi to Siem Reap will take you 1h 40m. Airlines will cover a distance of 888 km. Generally, flights for this route are direct.

Question 8

How far ahead should I book a flight from Hanoi to Siem Reap?

Accepted Answer

To ensure you get the cheapest price possible for a flight from Hanoi to Siem Reap, you should look to book at least 1 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.

Question 9

What is the cheapest month to book a flight from Hanoi to Siem Reap?

Accepted Answer

Currently, June is the cheapest month in which you can book a flight from Hanoi to Siem Reap (average of C$ 221). Flying from Hanoi to Siem Reap in May is currently the most expensive (average of C$ 347). 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.

Question 10

Weekly flight availability from Hanoi to Siem Reap

Accepted Answer

The most flights from HAN to SAI are scheduled on a Wednesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Question 11

E

Accepted Answer

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.

Question 12

E

Accepted Answer

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).

Question 13

What are the most reliable airlines from Hanoi to Siem Reap?

Accepted Answer

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Hanoi to Siem Reap on time: Vietnam Airlines (67%), ANA (67%), Cambodia Angkor Air (67%).

Question 14

What is the cheapest time of day to fly from HAN to SAI?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hanoi to Siem Reap as you normally would.

Question 15

Can I find deals for flights from Hanoi to Siem Reap that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Hanoi to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 16

How can I find direct flights from Hanoi to Siem Reap?

Accepted Answer

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.

Question 17

Can I find deals for business class flights from Hanoi to Siem Reap?

Accepted Answer

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.

Question 18

How does Cheapflights help users find flights from Hanoi to Siem Reap?

Accepted Answer

Cheapflights helps you search for flights from Hanoi to Siem Reap via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 19

Why should you use Cheapflights to find cheap flight tickets from Hanoi to Siem Reap?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Siem Reap from Hanoi.

Question 20

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

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from Hanoi to Siem Reap, users can toggle the no change fees filter when performing a flight search.

Question 21

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

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Siem Reap from Hanoi today and book when prices fit your budget.

Round-trip from	C$ 297
One-way from	C$ 143
Popular in	May
Cheapest in	June
Average price	C$ 230

Cheap flights from Hanoi to Siem Reap, Cambodia from C$ 143

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hanoi to Siem Reap

Cheapest flights from Hanoi to Siem ReapExplore 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 13 September 2026.

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 13 September 2026.

Best flights from Hanoi to Siem ReapDiscover carefully curated flight deals from Hanoi to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Discover carefully curated flight deals from Hanoi to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from Hanoi to Siem ReapDiscover last-minute flight deals from Hanoi to Siem Reap. Data last updated 13 September 2026 and is based on user searches.

Discover last-minute flight deals from Hanoi to Siem Reap. Data last updated 13 September 2026 and is based on user searches.

One-way flights from Hanoi to Siem ReapSearch for one-way flight options from Hanoi to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

Search for one-way flight options from Hanoi to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

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Cheapflights Insights

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 1 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?

What is the cheapest time of day to fly from HAN to SAI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hanoi to Siem Reap as you normally would.

How much does it cost to fly round-trip from Hanoi to Siem Reap?

Airfare is above average for this route at the moment.

Hanoi to Siem Reap flights typically cost between C$ 221 and C$ 290 in November.The cheapest round-trip price found within the last 5 days was C$ 297 on Vietnam Airlines (5 Nov-10 Nov).

Weekly flight availability from Hanoi to Siem Reap

The most flights from HAN to SAI are scheduled on a Wednesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 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 has had the lowest number of delays on this route, with just 25% of flights being delayed.

Related info for your journey

How popular is this Hanoi to Siem Reap flight route?

How long is the flight from Hanoi to Siem Reap?

What are the most reliable airlines from Hanoi to Siem Reap?

Can I find deals for flights from Hanoi to Siem Reap that include hotel bookings?

How can I find direct flights from Hanoi to Siem Reap?

Can I find deals for business class flights from Hanoi to Siem Reap?

What is the cheapest month to book a flight from Hanoi to Siem Reap?

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Complete your trip

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 Hanoi to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hanoi and Siem Reap flights

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

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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 13 September 2026.

Best flights from Hanoi to Siem Reap
Discover carefully curated flight deals from Hanoi to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from Hanoi to Siem Reap
Discover last-minute flight deals from Hanoi to Siem Reap. Data last updated 13 September 2026 and is based on user searches.

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 13 September 2026.

Hanoi to Siem Reap flights typically cost between C$ 221 and C$ 290 in November.
The cheapest round-trip price found within the last 5 days was C$ 297 on Vietnam Airlines (5 Nov-10 Nov).