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Cheap flights from Siem Reap, Cambodia to Hanoi from C$ 124

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — HAN
19 Apr — 26 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Siem Reap to Hanoi

Enter your travel dates to find the best prices.

Cheapest flights from Siem Reap to Hanoi
Explore the most affordable flight options available from Siem Reap to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2026.

Mon 1/67:05 p.m.
SAI
-
HAN
Nonstop1h 45m
VietJet Air
Fri 5/64:20 p.m.
HAN
-
SAI
Nonstop1h 45m
VietJet Air
Deal found 16/3C$ 295
Thu 10/127:05 p.m.
SAI
-
HAN
Nonstop1h 45m
VietJet Air
Thu 17/124:20 p.m.
HAN
-
SAI
Nonstop1h 45m
VietJet Air
Deal found 16/3C$ 346
Thu 10/128:30 p.m.
SAI
-
HAN
Nonstop1h 40m
Vietnam Airlines
Thu 17/1212:55 p.m.
HAN
-
SAI
1 stop3h 15m
Vietnam Airlines
Deal found 16/3C$ 361
Thu 19/35:55 p.m.
SAI
-
HAN
Nonstop1h 40m
Vietnam Airlines
Sat 28/312:55 p.m.
HAN
-
SAI
1 stop3h 15m
Vietnam Airlines
Deal found 16/3C$ 390

Find flight deals from Siem Reap to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from Siem Reap (SAI) to Hanoi (HAN). 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 20 March 2026.

Round-trip from

C$ 295

One-way from

C$ 124

Popular in

February

Cheapest in

September

Average price

C$ 254
VietJet Air
  • VietJet Air
  • 1/6-5/6
  • Nonstop
  • 3h 30m total
  • Siem Reap to Hanoi
Search Deals
VietJet Air
  • VietJet Air
  • 15/4
  • Nonstop
  • 1h 45m total
  • Siem Reap to Hanoi
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 20 March 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

Cheapest round-trip
Quickest round-trip

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Mon 1/6

7:05 p.m.-8:50 p.m.

Nonstop1h 45m

Hanoi Noibai

Fri 5/6

4:20 p.m.-6:05 p.m.

Nonstop1h 45m

C$ 295

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Mon 13/4

5:20 p.m.-8:35 p.m.

1 stop3h 15m

Hanoi Noibai

Fri 17/4

1:10 p.m.-4:25 p.m.

1 stop3h 15m

C$ 413

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Wed 15/4

5:20 p.m.-8:35 p.m.

1 stop3h 15m

Hanoi Noibai

Fri 17/4

1:10 p.m.-4:25 p.m.

1 stop3h 15m

C$ 413

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Thu 16/7

7:10 p.m.-1:10 a.m.

1 stop6h 00m

Hanoi Noibai

Mon 20/7

11:00 a.m.-6:20 p.m.

1 stop7h 20m

C$ 461

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Wed 15/4

5:20 p.m.-8:35 p.m.

1 stop3h 15m

Hanoi Noibai

Thu 16/4

10:55 p.m.-6:20 p.m.

1 stop19h 25m

C$ 462

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Mon 1/6

7:10 p.m.-7:10 a.m.

1 stop12h 00m

Hanoi Noibai

Fri 5/6

12:00 p.m.-6:20 p.m.

1 stop6h 20m

C$ 501
Cheapest one-way

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Wed 15/4

7:05 p.m.-8:50 p.m.

Nonstop1h 45m

C$ 124

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Sun 26/4

7:05 p.m.-8:50 p.m.

Nonstop1h 45m

C$ 167

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Sat 18/7

7:05 p.m.-8:50 p.m.

Nonstop1h 45m

C$ 180

Siem ReapHanoi

SAI - HAN

SAIHAN

Siem Reap–Angkor Intl

Fri 10/4

7:05 p.m.-8:50 p.m.

Nonstop1h 45m

C$ 198

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/3

Showing 1-10 of 14 resultsSorted by cheapest first
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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
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 Siem Reap to Hanoi

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

Use this chart to determine the optimal time to book a round-trip flight from Siem Reap to Hanoi. Price data was last updated on 13 March 2026.

The price you pay for your flight from Siem Reap to Hanoi may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, April is the cheapest month in which you can book a flight from Siem Reap to Hanoi (average of C$ 143). Flying from Siem Reap to Hanoi in February is currently the most expensive (average of C$ 233). 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?

Find hourly flight availability from Siem Reap to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 March 2026.

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.

Related info for your journey

Find useful and relevant information for your journey from Siem Reap to Hanoi. 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 Siem Reap to Hanoi flight route?

    This flight path from Siem Reap–Angkor Intl to Hanoi Noibai was viewed by 4 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 Siem Reap to Hanoi?

    Airlines like VietJet Air and Vietnam Airlines fly from Siem Reap to Hanoi in about 1h 45m. The time it takes to get you to your destination can typically vary by up to 1h 30m. Airlines will cover a distance of 888 km. This flight may include one or multiple stops.

  • 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 Vietnam Airlines (74%), Cambodia Angkor Air (74%) and Air France (74%).

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

    Looking for the cheapest flight from Siem Reap to Hanoi? While on average our users pay C$ 179, our data indicates the cheapest price to be C$ 161. The most popular route (Siem Reap–Angkor Intl - Hanoi Noibai), is priced around C$ 200.

  • 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, April is the cheapest month in which you can book a flight from Siem Reap to Hanoi (average of C$ 143). Flying from Siem Reap to Hanoi in February is currently the most expensive (average of C$ 233). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Siem Reap to Hanoi

See prices for flight routes from nearby airports that may be better suited for you.
Siem Reap to Ho Chi Minh City flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Siem Reap to Hanoi?

Cheapflights helps you search for flights from Siem Reap to Hanoi 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 Siem Reap to Hanoi?

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 Hanoi from Siem Reap.

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

Yes, we can. To see specific flights from Siem Reap to Hanoi with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Hanoi from Siem Reap today and book when prices fit your budget.

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