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Cheap flights from Siem Reap to Hanoi from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Siem Reap to Hanoi departing on 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Siem Reap to Hanoi

Cheap round-trip flights

Enter your travel dates to find the best prices.
VietJet Air Logo
7:05 pm - 8:50 pm
SAI
-
HAN
1h 45mnonstop
VietJet Air Logo
4:20 pm - 6:05 pm
HAN
-
SAI
1h 45mnonstop
$182VietJet Air
Wed, Feb 18 - Sun, Feb 22
VietJet Air Logo
7:05 pm - 8:50 pm
SAI
-
HAN
1h 45mnonstop
VietJet Air Logo
4:20 pm - 6:05 pm
HAN
-
SAI
1h 45mnonstop
$187VietJet Air
Sat, Feb 14 - Sun, Feb 15
Multiple Airlines Logo
7:05 pm - 8:50 pm
SAI
-
HAN
1h 45mnonstop
Multiple Airlines Logo
3:15 pm - 8:30 pm
HAN
-
SAI
5h 15m
1 stop
$259Multiple Airlines
Sat, Feb 14 - Sun, Feb 15
Multiple Airlines Logo
7:05 pm - 8:50 pm
SAI
-
HAN
1h 45mnonstop
Multiple Airlines Logo
8:50 pm - 11:00 am
HAN
-
SAI
14h 10m
1 stop
$263Multiple Airlines
Wed, Feb 18 - Sun, Feb 22
Vietnam Airlines Logo
9:55 am - 3:05 pm
SAI
-
HAN
5h 10m
1 stop
Vietnam Airlines Logo
6:00 pm - 7:40 pm
HAN
-
SAI
1h 40mnonstop
$280Vietnam Airlines
Sat, Feb 28 - Sat, Feb 28
Multiple Airlines Logo
9:55 am - 3:05 pm
SAI
-
HAN
5h 10m
1 stop
Multiple Airlines Logo
8:50 pm - 11:00 am
HAN
-
SAI
14h 10m
1 stop
$323Multiple Airlines
Sat, Feb 28 - Sat, Feb 28
Multiple Airlines Logo
5:05 pm - 8:15 pm
SAI
-
HAN
3h 10m
1 stop
Multiple Airlines Logo
8:50 pm - 11:00 am
HAN
-
SAI
14h 10m
1 stop
$360Multiple Airlines
Wed, Feb 18 - Sun, Feb 22
Vietnam Airlines Logo
5:05 pm - 8:15 pm
SAI
-
HAN
3h 10m
1 stop
Vietnam Airlines Logo
6:55 am - 8:30 pm
HAN
-
SAI
13h 35m
1 stop
$369Vietnam Airlines
Sat, Feb 14 - Sun, Feb 15
Multiple Airlines Logo
5:05 pm - 8:15 pm
SAI
-
HAN
3h 10m
1 stop
Multiple Airlines Logo
8:50 pm - 10:50 am
HAN
-
SAI
14h 00m
2 stops
$493Multiple Airlines
Wed, Feb 18 - Sun, Feb 22
Multiple Airlines Logo
12:30 pm - 6:35 pm
SAI
-
HAN
6h 05m
2 stops
Multiple Airlines Logo
8:50 pm - 11:00 am
HAN
-
SAI
14h 10m
1 stop
$521Multiple Airlines
Sat, Feb 28 - Sat, Feb 28

VietJet Air flights from Siem Reap to Hanoi

Our best VietJet Air deals on Siem Reap to Hanoi flight tickets
VietJet Air
Mar 18
SAI7:05 pmSiem Reap–Angkor Intl
1h 45m
HAN8:50 pmHanoi Noibai
Mar 25
HAN4:20 pmHanoi Noibai
1h 45m
SAI6:05 pmSiem Reap–Angkor Intl
$165
VietJet Air
Feb 11
SAI7:05 pmSiem Reap–Angkor Intl
1h 45m
HAN8:50 pmHanoi Noibai
Feb 15
HAN4:20 pmHanoi Noibai
1h 45m
SAI6:05 pmSiem Reap–Angkor Intl
$180
VietJet Air
Mar 20
SAI7:05 pmSiem Reap–Angkor Intl
1h 45m
HAN8:50 pmHanoi Noibai
Mar 27
HAN4:20 pmHanoi Noibai
1h 45m
SAI6:05 pmSiem Reap–Angkor Intl
$181

Cambodia Angkor Air flights from Siem Reap to Hanoi

Our best Cambodia Angkor Air deals on Siem Reap to Hanoi flight tickets
Cambodia Angkor Air
Feb 9
SAI9:40 pmSiem Reap–Angkor Intl
23h 15m
2 stops
HAN8:55 pmHanoi Noibai
Feb 15
HAN3:15 pmHanoi Noibai
17h 25m
1 stop
SAI8:40 amSiem Reap–Angkor Intl
$609
Cambodia Angkor Air
Feb 13
SAI9:20 amSiem Reap–Angkor Intl
11h 35m
2 stops
HAN8:55 pmHanoi Noibai
Feb 15
HAN3:15 pmHanoi Noibai
17h 25m
1 stop
SAI8:40 amSiem Reap–Angkor Intl
$620
Cambodia Angkor Air
Feb 10
SAI9:20 amSiem Reap–Angkor Intl
11h 35m
2 stops
HAN8:55 pmHanoi Noibai
Feb 15
HAN3:15 pmHanoi Noibai
17h 25m
1 stop
SAI8:40 amSiem Reap–Angkor Intl
$639

momondo Fare Finder

 
Customize your flight search to find flights from Siem Reap to Hanoi 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, momondo users made 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Siem Reap to Hanoi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Wed 2/18

7:05 pm-8:50 pm

Nonstop1h 45m

Hanoi Noibai

Sun 2/22

4:20 pm-6:05 pm

Nonstop1h 45m

$182

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Sat 2/14

7:05 pm-8:50 pm

Nonstop1h 45m

Hanoi Noibai

Sun 2/15

4:20 pm-6:05 pm

Nonstop1h 45m

$187

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Sat 2/14

7:05 pm-8:50 pm

Nonstop1h 45m

Hanoi Noibai

Sun 2/15

3:15 pm-8:30 pm

1 stop5h 15m

$259

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Wed 2/18

7:05 pm-8:50 pm

Nonstop1h 45m

Hanoi Noibai

Sun 2/22

8:50 pm-11:00 am

1 stop14h 10m

$263

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Sat 2/28

9:55 am-3:05 pm

1 stop5h 10m

Hanoi Noibai

Sat 2/28

6:00 pm-7:40 pm

Nonstop1h 40m

$280

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Sat 2/28

9:55 am-3:05 pm

1 stop5h 10m

Hanoi Noibai

Sat 2/28

8:50 pm-11:00 am

1 stop14h 10m

$323

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Wed 2/18

5:05 pm-8:15 pm

1 stop3h 10m

Hanoi Noibai

Sun 2/22

8:50 pm-11:00 am

1 stop14h 10m

$360

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Sat 2/14

5:05 pm-8:15 pm

1 stop3h 10m

Hanoi Noibai

Sun 2/15

6:55 am-8:30 pm

1 stop13h 35m

$369

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Wed 2/18

5:05 pm-8:15 pm

1 stop3h 10m

Hanoi Noibai

Sun 2/22

8:50 pm-10:50 am

2 stops14h 00m

$493

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Sat 2/28

12:30 pm-6:35 pm

2 stops6h 05m

Hanoi Noibai

Sat 2/28

8:50 pm-11:00 am

1 stop14h 10m

$521

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Hanoi from

How to get the cheapest flight ticket from Siem Reap to Hanoi

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Hanoi?

The cheapest month to fly to Hanoi from Siem Reap is in September. Flight prices, which tend to average around $127, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in September, then July is your next best option. Flight prices from Siem Reap to Hanoi during July average around $132.

What is the cheapest day to depart on your flight to Hanoi?

According to our data, Wednesday is the cheapest day to fly to Hanoi from Siem Reap. The lowest ticket price found for a Wednesday departure recently was $173. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Hanoi on Tuesday is $304.

What is the cheapest time of day to depart on your flight to Hanoi?

Our most recent data shows that the best time of day to fly to Hanoi is in the evening. Flights from Siem Reap to Hanoi during this time can be as low as $186. Try not to purchase tickets in the afternoon because they tend to be around $425. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Siem Reap–Angkor Intl to Hanoi Noibai flight route?

Fly from Siem Reap–Angkor Intl to Hanoi Noibai for the best Siem Reap–Angkor Intl - Hanoi Noibai flight prices

How far in advance should I book a flight to Hanoi?

You are more likely to see cheaper flights to Hanoi from Siem Reap when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $165 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Siem Reap for as low as $146 on momondo.

What cabin class options are available on Siem Reap–Angkor Intl to Hanoi Noibai flights?

There are 3 cabin classes available to choose from on Siem Reap–Angkor Intl to Hanoi Noibai flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Siem Reap to Hanoi flight prices changed over time?

As of February 2026, prices for Siem Reap to Hanoi flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Siem Reap to Hanoi

Are you open to changing your travel dates? Check out the ideal times to fly from Siem Reap to Hanoi according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Siem Reap to Hanoi (SAI to HAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Siem Reap to Hanoi

Best Price Found

$96

Fastest flight time

23h 15m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Hanoi

1 airport
The best one-way flight to Hanoi from Siem Reap in the past 72 hours is $96. The best round-trip flight deal from Siem Reap to Hanoi found on momondo in the last 72 hours is $174.
The fastest flight from Siem Reap to Hanoi takes 23h 15m
Direct flights go from Siem Reap to Hanoi on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Hanoi. From Siem Reap there are direct flights to Hanoi Noibai (HAN).
Search flight deals

  • How far is Siem Reap–Angkor Intl to Hanoi Noibai by plane?

    A flight from Siem Reap–Angkor Intl to Hanoi Noibai will travel around 544.4 mi. Flights usually cover this in 23h 15m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Siem Reap–Angkor Intl Airport to Hanoi Noibai Airport?

    Prices for flights from Siem Reap–Angkor Intl Airport to Hanoi Noibai Airport were last updated today.

  • How many operators does momondo search for flights from Siem Reap–Angkor Intl Airport to Hanoi Noibai Airport?

  • How old do you have to be to fly from Siem Reap–Angkor Intl Airport to Hanoi Noibai Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Siem Reap–Angkor Intl Airport to Hanoi Noibai Airport.

  • What documentation or ID do you need to fly to Hanoi Noibai Airport?

    The travel and health documents required for your trip to Hanoi Noibai Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Hanoi Noibai Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Siem Reap to Hanoi?

Best airlines flying from Siem Reap to Hanoi

Compare and see reviews for airlines that fly from Siem Reap to Hanoi with momondo
Airline
Rating
Free Cancellation
Price
VietJet AirPriceFrom $122Free CancellationRating
5.5
160 reviews
Search VietJet Air flights

  • VietJet Air Flights From Siem Reap to Hanoi

    The lowest priced VietJet Air flight from Siem Reap to Hanoi from the last 72 hours was $122. Generally, VietJet Air has 7 flights on this route every week with an average price of $166. VietJet Air is rated 5.5/10 by our users.

Why use momondo?

Why should I use momondo to find a flight deal from Siem Reap to Hanoi?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Siem Reap to Hanoi. momondo saves you time and could save you money on your trip.

Can I find flights from Siem Reap to Hanoi with flexible booking policies on momondo?

momondo does allow users to show only those flights to Hanoi from Siem Reap which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Siem Reap to Hanoi?

Once you have performed a search for Siem Reap to Hanoi flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Siem Reap to Hanoi right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Siem Reap to Hanoi now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Hanoi and let you know when they change.

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