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.

How often are flights from Hanoi to Siem Reap delayed?

About 26% of weekly flights between Hanoi and Siem Reap have experienced delays in the past year, with the average delay time being 101 minutes.

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 23% of flights being delayed.

How popular is this Hanoi to Siem Reap flight route?

This flight path from Hanoi Noibai to Siem Reap–Angkor Intl was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from Hanoi to Siem Reap?

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.

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.

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).

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

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: Cambodia Angkor Air (71%), Vietnam Airlines (71%), ANA (71%).

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 vacation 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.

C$ 106+ Cheap Flights from Hanoi to Siem Reap, Cambodia

Cheap flight deals from Hanoi to Siem Reap

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

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 25 October 2026.

Wed 16/124:20 p.m. -

Nonstop1h 45m

Mon 21/127:05 p.m. -

Nonstop1h 45m

Deal found 21/10C$ 234

Wed 16/124:20 p.m. -

Nonstop1h 45m

Thu 24/127:05 p.m. -

Nonstop1h 45m

Deal found 21/10C$ 235

Sat 19/124:20 p.m. -

Nonstop1h 45m

Wed 23/127:05 p.m. -

Nonstop1h 45m

Deal found 21/10C$ 237

Tue 15/124:20 p.m. -

Nonstop1h 45m

Mon 21/127:05 p.m. -

Nonstop1h 45m

Deal found 21/10C$ 238

Wed 16/1212:40 p.m. -

1 stop3h 30m

Mon 21/127:05 p.m. -

Nonstop1h 45m

Deal found 21/10C$ 290

Sat 19/1212:40 p.m. -

1 stop3h 30m

Sun 20/127:05 p.m. -

Nonstop1h 45m

Deal found 21/10C$ 291

Thu 17/1212:40 p.m. -

1 stop3h 30m

Sat 19/127:05 p.m. -

Nonstop1h 45m

Deal found 21/10C$ 294

Wed 16/1212:40 p.m. -

1 stop3h 30m

Sat 19/127:05 p.m. -

Nonstop1h 45m

Deal found 21/10C$ 295

Sat 19/124:20 p.m. -

Nonstop1h 45m

Sat 19/128:30 p.m. -

Nonstop1h 45m

Deal found 21/10C$ 305

Tue 15/124:20 p.m. -

Nonstop1h 45m

Fri 18/125:05 p.m. -

1 stop3h 25m

Deal found 21/10C$ 311

Thu 26/114:20 p.m. -

Nonstop1h 45m

Sun 29/117:05 p.m. -

Nonstop1h 45m

Deal found 24/10C$ 314

Find flight deals from Hanoi to Siem Reap

Round-trip from	C$ 234
One-way from	C$ 106
Popular in	May
Cheapest in	June
Average price	C$ 294

VietJet Air
16/12-21/12
Nonstop
3h 30m total
Hanoi to Siem Reap

Search Deals

VietJet Air
5/11-31/12
Nonstop
1h 45m total
Hanoi to Siem Reap

Search Deals

High demand for flights, 1% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HanoiSiem Reap

HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl

HANSAI

Hanoi Noibai

Mon 22/2

3:15 p.m.-4:55 p.m.

Nonstop1h 40m

Siem Reap–Angkor Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 160

HanoiSiem Reap

HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl

HANSAI

Hanoi Noibai

Sat 20/3

12:40 p.m.-4:10 p.m.

1 stop3h 30m

Siem Reap–Angkor Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 196

HanoiSiem Reap

HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl

HANSAI

Hanoi Noibai

Mon 8/3

12:40 p.m.-4:10 p.m.

1 stop3h 30m

Siem Reap–Angkor Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 197

HanoiSiem Reap

HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl

HANSAI

Hanoi Noibai

Wed 23/12

3:00 p.m.-8:30 p.m.

1 stop5h 30m

Siem Reap–Angkor Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 245

HanoiSiem Reap

HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl

HANSAI

Hanoi Noibai

Sun 27/12

2:00 p.m.-8:30 p.m.

1 stop6h 30m

Siem Reap–Angkor Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 245

HanoiSiem Reap

HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl

HANSAI

Hanoi Noibai

Thu 21/1

12:00 p.m.-8:30 p.m.

1 stop8h 30m

Siem Reap–Angkor Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 246

HanoiSiem Reap

HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl

HANSAI

Hanoi Noibai

Fri 27/11

3:00 p.m.-8:30 p.m.

1 stop5h 30m

Siem Reap–Angkor Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 252

HanoiSiem Reap

HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl

HANSAI

Hanoi Noibai

Mon 9/11

11:50 a.m.-8:25 p.m.

1 stop8h 35m

Siem Reap–Angkor Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 288

HanoiSiem Reap

HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl

HANSAI

Hanoi Noibai

Tue 1/12

7:05 a.m.-8:30 p.m.

2 stops13h 25m

Siem Reap–Angkor Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 323

HanoiSiem Reap

HAN Hanoi Noibai - SAI Siem Reap–Angkor Intl

HANSAI

Hanoi Noibai

Fri 4/12

7:05 a.m.-8:30 p.m.

2 stops13h 25m

Siem Reap–Angkor Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 323

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/10

Showing 1-10 of 20 resultsSorted by cheapest first

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 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.

Cheapflights Insights

Everything you need to know about your flight from Hanoi to Siem Reap

Prices

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 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?

Currently, June is the cheapest month in which you can book a flight from Hanoi to Siem Reap (average of C$ 223). Flying from Hanoi to Siem Reap in May is currently the most expensive (average of C$ 350). 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?

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 below average for this route at the moment.

Hanoi to Siem Reap flights typically cost between C$ 269 and C$ 330 in December.
The cheapest round-trip price found within the last 5 days was C$ 234 on VietJet Air (16 Dec-21 Dec).

Related info for your journey

How popular is this Hanoi to Siem Reap flight route?
This flight path from Hanoi Noibai to Siem Reap–Angkor Intl was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Hanoi to Siem Reap?
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.
What are the most reliable airlines from Hanoi to Siem Reap?
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: Cambodia Angkor Air (71%), Vietnam Airlines (71%), ANA (71%).
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 vacation 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 C$ 223). Flying from Hanoi to Siem Reap in May is currently the most expensive (average of C$ 350). 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.

See more FAQs

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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.

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

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.

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

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.

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

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.

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Cheap flights from Hanoi to Siem Reap, Cambodia from C$ 106

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 5/11. 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 25 October 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 25 October 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 25 October 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 25 October 2026.

Direct flights from Hanoi to Siem ReapExplore 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 25 October 2026.

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 25 October 2026.

Last-minute flights from Hanoi to Siem ReapDiscover last-minute flight deals from Hanoi to Siem Reap. Data last updated 25 October 2026 and is based on user searches.

Discover last-minute flight deals from Hanoi to Siem Reap. Data last updated 25 October 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 25 October 2026.

Search for one-way flight options from Hanoi to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

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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.

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 below average for this route at the moment.

Hanoi to Siem Reap flights typically cost between C$ 269 and C$ 330 in December.The cheapest round-trip price found within the last 5 days was C$ 234 on VietJet Air (16 Dec-21 Dec).

How often are flights from Hanoi to Siem Reap delayed?

About 26% of weekly flights between Hanoi and Siem Reap have experienced delays in the past year, with the average delay time being 101 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 23% 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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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 25 October 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 25 October 2026.

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 25 October 2026.

Last-minute flights from Hanoi to Siem Reap
Discover last-minute flight deals from Hanoi to Siem Reap. Data last updated 25 October 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 25 October 2026.

Hanoi to Siem Reap flights typically cost between C$ 269 and C$ 330 in December.
The cheapest round-trip price found within the last 5 days was C$ 234 on VietJet Air (16 Dec-21 Dec).