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Siem Reap

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

HAN — SAI
oct. 15 — oct. 221
mer. 10/15
mer. 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Hanoi Noibai to Siem Reap–Angkor Intl are usually found in June or August, booked 9 days in advance, depart on a Saturday or Sunday and return on a Monday

Cheap flight deals from Hanoi to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from Hanoi (HAN) to Siem Reap (SAI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septembre 15, 2025.

Popular in

April

Cheapest in

June

Average price

$169
Highest demand for flights based on searches. 7% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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.
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

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

Use this chart to determine the optimal time to book a round-trip flight from Hanoi to Siem Reap. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Hanoi to Siem Reap, you should look to book at least 9 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 time of day to fly from HAN to SAI?

Find hourly flight availability from Hanoi to Siem Reap. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septembre 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Hanoi to Siem Reap in the morning. If you’re flexible enough to do this you can expect to save up to 5% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Siem Reap

Get insights into the airlines that provide service to Siem Reap. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siem Reap. Reviews last updated septembre 15, 2025.
See what other customers who have flown with Vietnam Airlines and VietJet Air from Hanoi to Siem Reap have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.6
Good
201 reviews

Crew

8.1

Boarding

7.5

Entertainment

6.3

Food

6.8

Comfort

7.6

Overall

7.6

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.
Vietnam Airlines
7.6
Good
201 reviews
Vietnam Airlines
7.6
Good
201 reviews

Crew

8.1

Boarding

7.5

Entertainment

6.3

Food

6.8

Comfort

7.6

Overall

7.6

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.
VietJet Air
5.6
Fair
147 reviews
Vietnam Airlines
7.6
Good
201 reviews

Crew

8.1

Boarding

7.5

Entertainment

6.3

Food

6.8

Comfort

7.6

Overall

7.6

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.

Related info for your journey

Find useful and relevant information for your journey from Hanoi to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Flights from Hanoi Noibai to Siem Reap–Angkor Intl have been viewed 4 times in the past calendar month.

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

    Flying on VietJet Air is currently your cheapest option to Siem Reap, with prices starting at $131. Additional round-trip tickets that might be worth considering are offered by Cambodia Angkor Air and Vietnam Airlines, with the lowest prices starting at $182 and $196, respectively. VietJet Air is priced at 33% lower than the current average price of a flight leaving 3 months from now.

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

    The top 3 most reliable airlines when flying from Hanoi to Siem Reap are Air France (0%), Vietnam Airlines (0%) and ANA (0%).

  • 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.

See more FAQs

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Top 3 airlines flying from Hanoi to Siem Reap

Discover the top 3 airlines that operate flights from Hanoi to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$131Average$195FlexibilityNo cancel feeOn-timeN/A
Cambodia Angkor AirCheapest$182Average$225FlexibilityNo cancel feeOn-timeN/A
Vietnam AirlinesCheapest$196Average$246FlexibilityNo cancel feeOn-time81%

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