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Hanoi

$82+ Cheap flights from Siem Reap, Cambodia (SAI) to Hanoi (HAN)

SAI — HAN
Nov 20 — Nov 271
Fri 11/20
Fri 11/27
1 adult, Economy
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Cheap flight deals from Siem Reap to Hanoi

Cheapest flights from Siem Reap to Hanoi

Sun 11/17:05 pm -
Nonstop1h 45m
Tue 11/34:20 pm -
Nonstop1h 45m
Deal found 10/17$155
Thu 10/297:05 pm -
Nonstop1h 45m
Mon 11/24:20 pm -
Nonstop1h 45m
Deal found 10/21$157
Tue 10/277:05 pm -
Nonstop1h 45m
Mon 11/24:20 pm -
Nonstop1h 45m
Deal found 10/21$160
Fri 12/47:05 pm -
Nonstop1h 45m
Thu 12/104:20 pm -
Nonstop1h 45m
Deal found 10/20$164
Mon 10/197:05 pm -
Nonstop1h 45m
Fri 10/234:20 pm -
Nonstop1h 45m
Deal found 10/18$165
Mon 11/27:05 pm -
Nonstop1h 45m
Tue 11/34:20 pm -
Nonstop1h 45m
Deal found 10/16$168
Thu 12/107:05 pm -
Nonstop1h 45m
Thu 12/174:20 pm -
Nonstop1h 45m
Deal found 10/21$171
Sun 11/17:05 pm -
Nonstop1h 45m
Wed 11/44:20 pm -
Nonstop1h 45m
Deal found 10/17$186
Mon 11/27:05 pm -
Nonstop1h 45m
Wed 11/44:20 pm -
Nonstop1h 45m
Deal found 10/16$196
Tue 11/247:05 pm -
Nonstop1h 45m
Sat 11/284:20 pm -
Nonstop1h 45m
Deal found 10/20$204
Mon 12/217:05 pm -
Nonstop1h 45m
Mon 1/44:20 pm -
Nonstop1h 45m
Deal found 10/19$210

Find flight deals from Siem Reap to Hanoi

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$155
(Booking.com)

One-way from

$82
(Booking.com)

Popular in

June

Cheapest in

March

Average price

$171
Provider with most accurate pricing for Siem Reap–Angkor Intl-Hanoi Noibai flight deals.
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Provider most trusted by Cheapflights users for Siem Reap–Angkor Intl-Hanoi Noibai flights.
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From Siem Reap–Angkor Intl to Hanoi Noibai
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One-way flight from Siem Reap–Angkor Intl to Hanoi Noibai
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Siem Reap to Hanoi that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Sun 11/8

5:55 pm-7:40 pm

Nonstop1h 45m

Hanoi Noibai

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$147

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Sun 11/1

6:50 pm-11:35 am

2 stops16h 45m

Hanoi Noibai

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$190

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Fri 12/4

9:30 pm-8:40 am

1 stop11h 10m

Hanoi Noibai

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$190

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Wed 11/11

9:30 pm-8:40 am

1 stop11h 10m

Hanoi Noibai

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$190

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Thu 2/11

6:50 pm-5:40 pm

1 stop22h 50m

Hanoi Noibai

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$191

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Tue 11/3

6:50 pm-2:25 pm

1 stop19h 35m

Hanoi Noibai

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$191

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Tue 2/9

6:50 pm-8:10 pm

1 stop25h 20m

Hanoi Noibai

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$191

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Mon 12/7

6:50 pm-12:10 am

1 stop5h 20m

Hanoi Noibai

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$192

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Mon 11/16

12:45 pm-11:00 am

1 stop22h 15m

Hanoi Noibai

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$212

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Sat 1/30

12:30 pm-11:00 am

1 stop22h 30m

Hanoi Noibai

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 18 resultsSorted by cheapest first
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Compare providers for flights from Siem Reap to Hanoi

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Siem Reap to Hanoi in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Siem Reap-Hanoi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Siem Reap-Hanoi flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Siem Reap-Hanoi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Siem Reap-Hanoi flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Siem Reap-Hanoi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Siem Reap to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Siem Reap with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

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

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

Currently, March is the cheapest month in which you can book a flight from Siem Reap to Hanoi (average of $149). Flying from Siem Reap to Hanoi in June is currently the most expensive (average of $222). 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 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 below average for this route at the moment.

Siem Reap to Hanoi flights typically cost between $162 and $208 in November.
The cheapest round-trip price found within the last 5 days was $155 on VietJet Air (Nov 1-Nov 3).

Reviews of airlines servicing Hanoi

Get a feel of what it's like to fly with Vietnam Airlines and VietJet Air from Siem Reap to Hanoi by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.7
Good
293 reviews

Entertainment

6.3

Comfort

7.7

Boarding

7.8

Food

6.9

Overall

7.7

Crew

8.3

Reviews

1 / 17
6.0
Good

Laura,Sep 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late
Vietnam Airlines
7.7
Good
293 reviews
Vietnam Airlines
7.7
Good
293 reviews

Entertainment

6.3

Comfort

7.7

Boarding

7.8

Food

6.9

Overall

7.7

Crew

8.3

Reviews

1 / 17
6.0
Good

Laura,Sep 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late
VietJet Air
5.6
Fair
176 reviews
Vietnam Airlines
7.7
Good
293 reviews

Entertainment

6.3

Comfort

7.7

Boarding

7.8

Food

6.9

Overall

7.7

Crew

8.3

Reviews

1 / 17
6.0
Good

Laura,Sep 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Related info for your journey

  • What airports do I use to fly from Siem Reap to Hanoi?

    To fly from Siem Reap to Hanoi, you need to book a flight from Siem Reap–Angkor Intl (SAI) to Noibai (HAN). Nonstop flights to Hanoi Noibai from Siem Reap–Angkor Intl take 23h 15m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from Siem Reap–Angkor Intl to Noibai offered by 2 different airlines.

  • How popular is this Siem Reap to Hanoi flight route?

    Within the past month, 3 users have taken a look at flights from Siem Reap–Angkor Intl to Hanoi Noibai.

  • How long is the flight from Siem Reap to Hanoi?

    For as low as $247, Vietnam Airlines can have you in Hanoi from Siem Reap in 3h 25m. The distance between Siem Reap and Hanoi is about 552 mi.

  • What are the cheapest airlines flying from Siem Reap to Hanoi round-trip?

    Cheapflights users have booked flights from Siem Reap to Hanoi round-trip from $136. Another airline that can offer you cheap pricing is Vietnam Airlines. VietJet Air is priced at 25% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Siem Reap to Hanoi one-way?

    To fly one-way, consider booking your trip with VietJet Air, which is currently one of the cheapest options available, starting at $71. Vietnam Airlines flights start at $117 while deals on Hahn Air Systems start at $127 one-way.

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

    The top 3 most reliable airlines when flying from Siem Reap to Hanoi are VietJet Air (80%), Air France (51%) and Vietnam Airlines (51%).

  • What are the cheapest flights from Siem Reap to Hanoi?

    On average you can expect to pay $184 for a flight from Siem Reap to Hanoi. The cheapest flight overall is $81 while the most popular route, (Siem Reap–Angkor Intl - Hanoi Noibai) is currently priced at $2,612.

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

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

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

    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.

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

    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.

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

    Currently, March is the cheapest month in which you can book a flight from Siem Reap to Hanoi (average of $149). Flying from Siem Reap to Hanoi in June is currently the most expensive (average of $222). 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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Alternative routes for Siem Reap to Hanoi

Siem Reap to Da Nang flights
Siem Reap to Ho Chi Minh City flights

Top 2 airlines flying from Siem Reap to Hanoi

AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$136Average$177FlexibilityNo cancel feeOn-timeN/A
Vietnam AirlinesCheapest$222Average$237FlexibilityNo cancel feeOn-time81%

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