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Hanoi

$84+ Cheap flights from Siem Reap, Cambodia (SAI) to Hanoi (HAN)

SAI — HAN
Sep 22 — Sep 291
Tue 9/22
Tue 9/29
1 adult, Economy
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Find cheap flights from Siem Reap to Hanoi with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Siem Reap–Angkor Intl to Hanoi Noibai are usually found in September or March, booked 28 days in advance, depart on a Saturday or Sunday and return on a Saturday

Cheap flight deals from Siem Reap to Hanoi

Cheapest flights from Siem Reap to Hanoi

Wed 10/147:05 pm -
Nonstop1h 45m
Sun 10/184:20 pm -
Nonstop1h 45m
Deal found 8/22$155
Sat 8/227:05 pm -
Nonstop1h 45m
Thu 8/274:20 pm -
Nonstop1h 45m
Deal found 8/20$157
Sun 8/237:05 pm -
Nonstop1h 45m
Fri 8/284:20 pm -
Nonstop1h 45m
Deal found 8/20$159
Tue 10/207:05 pm -
Nonstop1h 45m
Sat 10/244:20 pm -
Nonstop1h 45m
Deal found 8/19$160
Thu 12/107:05 pm -
Nonstop1h 45m
Thu 12/174:20 pm -
Nonstop1h 45m
Deal found 8/23$165
Fri 10/27:05 pm -
Nonstop1h 45m
Wed 10/74:20 pm -
Nonstop1h 45m
Deal found 8/18$174
Sat 10/37:05 pm -
Nonstop1h 45m
Sat 10/104:20 pm -
Nonstop1h 45m
Deal found 8/19$189
Mon 9/286:05 pm -
Nonstop1h 45m
Wed 9/304:20 pm -
Nonstop1h 45m
Deal found 8/21$196
Fri 10/27:05 pm -
Nonstop1h 45m
Wed 10/71:10 pm -
1 stop3h 15m
Deal found 8/18$203

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

$84
(Jetabroad)

Popular in

June

Cheapest in

September

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. 8% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Thu 12/10

7:05 pm-8:50 pm

Nonstop1h 45m

Hanoi Noibai

Thu 12/17

4:20 pm-6:05 pm

Nonstop1h 45m

$165

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Fri 10/2

7:05 pm-8:50 pm

Nonstop1h 45m

Hanoi Noibai

Wed 10/7

4:20 pm-6:05 pm

Nonstop1h 45m

$174

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Mon 9/28

6:05 pm-7:50 pm

Nonstop1h 45m

Hanoi Noibai

Wed 9/30

4:20 pm-6:05 pm

Nonstop1h 45m

$196

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Thu 12/10

7:05 pm-8:50 pm

Nonstop1h 45m

Hanoi Noibai

Thu 12/17

12:55 pm-4:10 pm

1 stop3h 15m

$204
Quickest round-trip

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Wed 9/2

7:05 pm-8:50 pm

Nonstop1h 45m

Hanoi Noibai

Sat 9/5

3:30 pm-5:10 pm

Nonstop1h 40m

$210

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Sat 10/3

5:20 pm-8:35 pm

1 stop3h 15m

Hanoi Noibai

Sat 10/10

1:10 pm-4:25 pm

1 stop3h 15m

$231

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Fri 10/2

5:20 pm-8:35 pm

1 stop3h 15m

Hanoi Noibai

Wed 10/7

1:10 pm-4:25 pm

1 stop3h 15m

$231

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Thu 12/10

5:05 pm-8:15 pm

1 stop3h 10m

Hanoi Noibai

Thu 12/17

12:55 pm-4:10 pm

1 stop3h 15m

$243
Cheapest one-way
Quickest one-way

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Wed 10/14

7:05 pm-8:50 pm

Nonstop1h 45m

$85

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Fri 1/8

7:05 pm-8:50 pm

Nonstop1h 45m

$87

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 19 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 August.
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

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

To ensure you get the cheapest price possible for a flight from Siem Reap to Hanoi, you should look to book at least 27 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 Siem Reap to Hanoi?

Currently, September is the cheapest month in which you can book a flight from Siem Reap to Hanoi (average of $128). 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 typical for this route at the moment.

Siem Reap to Hanoi flights typically cost between $136 and $160 in October.
The cheapest round-trip price found within the last 5 days was $155 on VietJet Air (Oct 14-Oct 18).

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
286 reviews

Crew

8.3

Overall

7.7

Boarding

7.7

Food

6.9

Comfort

7.7

Entertainment

6.3

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Vietnam Airlines
7.7
Good
286 reviews
Vietnam Airlines
7.7
Good
286 reviews

Crew

8.3

Overall

7.7

Boarding

7.7

Food

6.9

Comfort

7.7

Entertainment

6.3

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
VietJet Air
5.6
Fair
173 reviews
Vietnam Airlines
7.7
Good
286 reviews

Crew

8.3

Overall

7.7

Boarding

7.7

Food

6.9

Comfort

7.7

Entertainment

6.3

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

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 is 1 outbound flight 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, 4 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 $165, VietJet Air can have you in Hanoi from Siem Reap in 1h 45m. The distance between Siem Reap and Hanoi is about 552 mi. Most flights are nonstop.

  • 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 $120. Another airline that can offer you cheap pricing is Vietnam Airlines. VietJet Air is priced at 33% 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 $69. Vietnam Airlines flights start at $115 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 Cambodia Angkor Air (56%), Air France (55%) and Vietnam Airlines (55%).

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

    On average you can expect to pay $155 for a flight from Siem Reap to Hanoi. The cheapest flight overall is $83 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, September is the cheapest month in which you can book a flight from Siem Reap to Hanoi (average of $128). 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$120Average$170FlexibilityNo cancel feeOn-timeN/A
Vietnam AirlinesCheapest$222Average$274FlexibilityNo cancel feeOn-time81%

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