Cheap flights from Siem Reap, Cambodia to Hanoi from C$ 180

SAI — HAN
29 Nov — 6 Dec1
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

Fri 30/105:05 p.m. -
1 stop3h 25m
Tue 3/116:00 p.m. -
Nonstop1h 40m
Deal found 26/10C$ 333
Sat 31/108:30 p.m. -
Nonstop1h 45m
Sun 1/113:15 p.m. -
Nonstop1h 40m
Deal found 30/10C$ 343
Thu 10/125:05 p.m. -
1 stop3h 25m
Thu 17/1212:40 p.m. -
1 stop3h 30m
Deal found 30/10C$ 345
Thu 29/108:30 p.m. -
Nonstop1h 45m
Mon 2/113:15 p.m. -
Nonstop1h 40m
Deal found 25/10C$ 348
Thu 29/108:30 p.m. -
Nonstop1h 45m
Sun 1/117:05 a.m. -
2 stops14h 40m
Deal found 27/10C$ 385

Find flight deals from Siem Reap to Hanoi

Round-trip from

C$ 333

One-way from

C$ 180

Popular in

June

Cheapest in

March

Average price

C$ 239
Vietnam Airlines
  • Vietnam Airlines
  • 10/12-17/12
  • 1 total stop
  • 5h 05m total
  • Siem Reap to Hanoi
Vietnam Airlines
  • Vietnam Airlines
  • 3/11-31/12
  • Nonstop
  • 1h 45m total
  • Siem Reap to Hanoi
Highest demand for flights based on searches. 3% potential increase in price (C$ 11 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

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

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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

Thu 19/11

8:30 p.m.-10:15 p.m.

Nonstop1h 45m

Hanoi Noibai

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 190

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Fri 13/11

5:05 p.m.-8:30 p.m.

1 stop3h 25m

Hanoi Noibai

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 194

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Thu 5/11

5:05 p.m.-8:30 p.m.

1 stop3h 25m

Hanoi Noibai

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 194

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Sun 22/11

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

Nonstop1h 45m

Hanoi Noibai

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 213

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Wed 9/12

5:05 p.m.-8:30 p.m.

1 stop3h 25m

Hanoi Noibai

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 218

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Wed 9/12

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

Nonstop1h 45m

Hanoi Noibai

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 225

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Fri 27/11

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

Nonstop1h 45m

Hanoi Noibai

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 262

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Mon 9/11

5:05 p.m.-8:30 p.m.

1 stop3h 25m

Hanoi Noibai

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 267

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Mon 7/12

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

1 stop14h 45m

Hanoi Noibai

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 267

Siem ReapHanoi

SAI Siem Reap–Angkor Intl - HAN Hanoi Noibai

SAIHAN

Siem Reap–Angkor Intl

Fri 15/1

5:05 p.m.-8:30 p.m.

1 stop3h 25m

Hanoi Noibai

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 277

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

Showing 1-10 of 17 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

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 C$ 208). Flying from Siem Reap to Hanoi in June is currently the most expensive (average of C$ 310). 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 above average for this route at the moment.

Siem Reap to Hanoi flights typically cost between C$ 242 and C$ 290 in December.
The cheapest round-trip price found within the last 5 days was C$ 333 on Vietnam Airlines (10 Dec-17 Dec).

Related info for your journey

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

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

    Airlines like Vietnam Airlines and VietJet Air 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 40m. 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 VietJet Air (80%), Air France (51%) and Vietnam Airlines (51%).

  • 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 C$ 208). Flying from Siem Reap to Hanoi in June is currently the most expensive (average of C$ 310). 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

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