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

Airfare is above average for this route at the moment. Siem Reap to Hanoi flights typically cost between C$ 203 and C$ 241 in October. The cheapest round-trip price found within the last 5 days was C$ 325 on Vietnam Airlines (10 Oct-15 Oct).

Question 1

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 Wednesday has historically faced a higher average of delays compared to other days of the week.

Question 2

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

Accepted Answer

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

Question 3

How often are flights from Siem Reap to Hanoi delayed?

Accepted Answer

About 24% of weekly flights between Siem Reap and Hanoi have experienced delays in the past year, with the average delay time being 108 minutes.

Question 4

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

Accepted Answer

Airfare is above average for this route at the moment.Siem Reap to Hanoi flights typically cost between C$ 203 and C$ 241 in October.
The cheapest round-trip price found within the last 5 days was C$ 325 on Vietnam Airlines (10 Oct-15 Oct).

Question 5

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

Accepted Answer

Over the past year, Vietnam Airlines has had the lowest number of delays on this route, with just 23% of flights being delayed.

Question 6

How popular is this Siem Reap to Hanoi flight route?

Accepted Answer

This flight path from Siem Reap–Angkor Intl to Hanoi Noibai 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 Siem Reap to Hanoi?

Accepted Answer

Airlines like Vietnam Airlines and China Eastern fly from Siem Reap to Hanoi in about 3h 15m. The time it takes to get you to your destination can typically vary by up to 49h 20m. Airlines will cover a distance of 888 km. This flight may include one or multiple stops.

Question 8

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

Accepted Answer

The price you pay for your flight from Siem Reap to Hanoi may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 9

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

Accepted Answer

Currently, September is the cheapest month in which you can book a flight from Siem Reap to Hanoi (average of C$ 177). Flying from Siem Reap to Hanoi in June is currently the most expensive (average of C$ 313). 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 Siem Reap to Hanoi

Accepted Answer

The most flights from SAI to HAN are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Question 11

E

Accepted Answer

In terms of precipitation, rainfall in Hanoi ranges from 14.0 - 296.0 mm per month. August is typically the wettest month, when rainfall can reach 296.0 mm. December is typically the driest time to visit Hanoi when rainfall is around 14.0 mm.

Question 12

E

Accepted Answer

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June 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 January, when temperatures are typically at their lowest (around 17.0 C).

Question 13

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

Accepted Answer

The top 3 most reliable airlines when flying from Siem Reap to Hanoi are Air France (66%), Vietnam Airlines (66%) and Cambodia Angkor Air (65%).

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Siem Reap to Hanoi.

Question 17

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

Accepted Answer

Yes. Cheapflights offers flight deals from Siem Reap to Hanoi 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 Siem Reap to Hanoi?

Accepted Answer

Cheapflights helps you search for flights from Siem Reap to Hanoi 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 Siem Reap to Hanoi?

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 Hanoi from Siem Reap.

Question 20

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

Accepted Answer

Yes, we can. To see specific flights from Siem Reap to Hanoi with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 21

Can Cheapflights notify me if prices for flights from Siem Reap to Hanoi 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 Hanoi from Siem Reap today and book when prices fit your budget.

Round-trip from	C$ 325
One-way from	C$ 149
Popular in	June
Cheapest in	September
Average price	C$ 252

Cheap flights from Siem Reap, Cambodia to Hanoi from C$ 149

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Siem Reap to Hanoi

Cheapest flights from Siem Reap to HanoiExplore the most affordable flight options available from Siem Reap to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2026.

Explore the most affordable flight options available from Siem Reap to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2026.

Best flights from Siem Reap to HanoiDiscover carefully curated flight deals from Siem Reap to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 July 2026.

Discover carefully curated flight deals from Siem Reap to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 July 2026.

Direct flights from Siem Reap to HanoiExplore direct flight options from Siem Reap to Hanoi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 July 2026.

Explore direct flight options from Siem Reap to Hanoi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 July 2026.

Last-minute flights from Siem Reap to HanoiDiscover last-minute flight deals from Siem Reap to Hanoi. Data last updated 30 July 2026 and is based on user searches.

Discover last-minute flight deals from Siem Reap to Hanoi. Data last updated 30 July 2026 and is based on user searches.

One-way flights from Siem Reap to HanoiSearch for one-way flight options from Siem Reap to Hanoi. Find affordable one-way fares based on user searches. Data last updated 30 July 2026.

Search for one-way flight options from Siem Reap to Hanoi. Find affordable one-way fares based on user searches. Data last updated 30 July 2026.

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Cheapflights Insights

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

The price you pay for your flight from Siem Reap to Hanoi may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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

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

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

Airfare is above average for this route at the moment.

Siem Reap to Hanoi flights typically cost between C$ 203 and C$ 241 in October.The cheapest round-trip price found within the last 5 days was C$ 325 on Vietnam Airlines (10 Oct-15 Oct).

Weekly flight availability from Siem Reap to Hanoi

The most flights from SAI to HAN are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

How often are flights from Siem Reap to Hanoi delayed?

About 24% of weekly flights between Siem Reap and Hanoi have experienced delays in the past year, with the average delay time being 108 minutes.

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

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening 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 Wednesday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Vietnam Airlines has had the lowest number of delays on this route, with just 23% of flights being delayed.

Related info for your journey

How popular is this Siem Reap to Hanoi flight route?

How long is the flight from Siem Reap to Hanoi?

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

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

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

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

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

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

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Cheapest flights from Siem Reap to Hanoi
Explore the most affordable flight options available from Siem Reap to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2026.

Best flights from Siem Reap to Hanoi
Discover carefully curated flight deals from Siem Reap to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 July 2026.

Direct flights from Siem Reap to Hanoi
Explore direct flight options from Siem Reap to Hanoi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 July 2026.

Last-minute flights from Siem Reap to Hanoi
Discover last-minute flight deals from Siem Reap to Hanoi. Data last updated 30 July 2026 and is based on user searches.

One-way flights from Siem Reap to Hanoi
Search for one-way flight options from Siem Reap to Hanoi. Find affordable one-way fares based on user searches. Data last updated 30 July 2026.

Siem Reap to Hanoi flights typically cost between C$ 203 and C$ 241 in October.
The cheapest round-trip price found within the last 5 days was C$ 325 on Vietnam Airlines (10 Oct-15 Oct).