Cheap Flights from Siem Reap to Hanoi starting at S$ 85

Here are our top budget-friendly flights, offering flexible one-way or round-trip options. Additional flights with other timings and airlines are also available.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Siem Reap to Hanoi

Cheapest one-way flight price	S$ 84
Cheapest return ticket price	S$ 154
Off-season for travel	April
Peak season for travel	March
Flight distance	893.88km
Average flight time	1 hour 45 minutes
Popular airline	Bangkok Airways

Cheapest time to fly from Siem Reap to Hanoi

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

8 15
15 22
22 29
Jul

29 6
6 13
13 20
20 27
Aug

27 3
3 10
10 17
17 24
24 31

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When to buy flight tickets from Siem Reap (REP) to Hanoi (HAN) the cheapest?

Airlines adjust prices for flights from Siem Reap to Hanoi based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Siem Reap (REP) to Hanoi (HAN) cost?

According to Trip.com's data, the lowest price is around S$ 386.
How long is a flight from Siem Reap (REP) to Hanoi (HAN)?

It takes about 1 hour 45 minutes to fly from Siem Reap (REP) to Hanoi (HAN).
What are the most popular airlines that fly from Siem Reap (REP) to Hanoi (HAN)?

Airlines with flights from Siem Reap (REP) to Hanoi (HAN): Air Cambodia, Air France, Vietnam Airlines, VietJet Air, Flexflight Aps, Hahn Air System and APG Airline.
How many airports in Hanoi?

There are 1 airports near Hanoi: Noi Bai International Airport.

How to find a cheap flight from Siem Reap to Hanoi

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Siem Reap to Hanoi. Book your flights at the right time and save more.

Choose your dates flexibly and get the best deals on flights from Siem Reap to Hanoi.

Tap 'Date' on the flight search bar to browse the calendar for Siem Reap to Hanoi airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Tue, Jul 1, with one-way flights starting at S$ 85.

Compare cheap flight deals from hundreds of airlines for Siem Reap to Hanoi flights.

Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from Siem Reap to Hanoi. The cheapest flight at the moment is with VietJet Air.

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Book early or wait for last-minute deals.

It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.

Search for flights on the go.

For the best flight booking experience on the go, download Trip.com and search for cheap flights from Siem Reap to Hanoi to get your exclusive deals.

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