Cheap Flights from Siem Reap–Angkor to Hanoi

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Flight deals from Siem Reap–Angkor to Hanoi

Looking for a cheap last-minute deal or the best return flight from Siem Reap–Angkor to Hanoi? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Siem Reap–Angkor to Hanoi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Siem Reap–Angkor to Hanoi flights are currently cheapest in October.

Direct flights from Siem Reap–Angkor to Hanoi

Siem Reap–Angkor to Hanoi: Alternative routes

Compare routes from Siem Reap–Angkor to Hanoi below. You may find an airport to fly into that's cheaper, faster, or easier than Hanoi.

Siem Reap to Hanoi: Flight information

The things to know before you go.
Cheapest flight foundR 1,551
Cheapest month to flyOctober
Average flight time1 hr, 43 mins
Most popular airlineVietJet Air
Average flights per week17

Finding cheap flights from Siem Reap–Angkor to Hanoi: Frequently asked questions

The best price we found for a return flight from Siem Reap–Angkor to Hanoi is R 2,679. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 43 minutes is the average flight time from Siem Reap–Angkor to Hanoi.
VietJet Air, Air Cambodia and Vietnam Airlines fly direct from Siem Reap–Angkor to Hanoi.
As of November 2025, there are 17 flights per week flying from Siem Reap–Angkor to Hanoi.
The cheapest month to fly from Siem Reap–Angkor to Hanoi is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Siem Reap–Angkor Airport to Hanoi Airport on Wednesday, 3 December 2025.
Yes – the average flight time is 1 hour and 43 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Hanoi but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Hanoi is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, VietJet Air offers the cheapest flight tickets to Hanoi.

Flying from Siem Reap-Ankor International Airport (SAI) to Noi Bai International Airport (HAN): what you need to know

  • Jump on a direct flight from Siem Reap-Ankor International Airport to Noi Bai International Airport and you'll be travelling for an average of 1 hour 45 minutes.

  • Hanoi's timezone is UTC+7, which is the same as Siem Reap.

  • Flights from SAI to HAN start from 14:20 — the first with Cambodia Angkor Air. The last departure is at 20:45 with Vietnam Airlines. In total, you can take your pick of 38 weekly Siem Reap-Ankor International Airport to Noi Bai International Airport flights.

  • Leave enough time to make your SAI to HAN flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like April, you'll want to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead of international flights when you fly during a peak period in general.

  • A variety of airlines offer direct flights from Siem Reap-Ankor International Airport to Noi Bai International Airport, so getting to Hanoi (and then discovering more of Vietnam!) is easy. Top carriers that fly nonstop include:

  • Cambodia Angkor Air has the highest passenger demand on this route.

  • With 77.7% of services arriving as scheduled, Vietnam Airlines is the most punctual carrier operating SAI to HAN flights.

  • If you want to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from Siem Reap-Ankor International Airport to Noi Bai International Airport. These are the most popular stopovers between SAI and HAN:

    • Da Nang International Airport

    • Tan Son Nhat International Airport

    • Suvarnabhumi Airport

How to find the cheapest flights from Siem Reap-Ankor International Airport (SAI) to Noi Bai International Airport (HAN)

  • The cheapest price we've seen for a one-way Siem Reap-Ankor International Airport to Noi Bai International Airport flight is R 1,551. A round-trip plane ticket is currently R 2,679. Depending on the availability when you book, these fares may change.

  • Book six months before you want to fly. After crunching the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from SAI to HAN.

  • The cheapest month for flights from Siem Reap-Ankor International Airport to Noi Bai International Airport is May. Use the 'Whole month' tool to see the lowest prices if you have a flexible schedule.

  • You won't have to check back in every day to see if fares have gone down when you create a Price Alert. We'll notify you the moment there's a change in price on cheap flights from SAI to HAN.

  • Tailor your trip with filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Siem Reap-Ankor International Airport to Noi Bai International Airport.

Handy information about Siem Reap-Ankor International Airport (SAI)

  • Siem Reap-Ankor International Airport scores high marks for on-time performance. 80.01% of flights that take off from SAI land on time.

  • Central Siem Reap to Siem Reap-Ankor International Airport is approximately 48 kilometres. Depending on traffic, it'll take you about 1 hour to get there if you're driving, ride-sharing or catching a cab.

  • Get your flight from Siem Reap-Ankor International Airport to Noi Bai International Airport off to a hassle-free start. Only a short drive from SAI, stay at Chansor Community Homestay 18 and you'll be well-rested for the journey ahead.

Arriving at Noi Bai International Airport (HAN)

  • If you're landing on a late Siem Reap-Ankor International Airport to Noi Bai International Airport flight, nothing tops the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and sleeping soon after at one of these accommodation options near HAN:

  • Pick up a Noi Bai International Airport rental car and explore corners of Hanoi that most visitors tend to miss. Find your ideal set of wheels with Dichung Car Hire.

  • Improve your chances of scoring the best rate by booking as early as possible. Reserving your vehicle from Noi Bai International Airport at least a few weeks in advance is a smart idea.

Getting from Noi Bai International Airport (HAN) to central Hanoi

  • From Noi Bai International Airport, Hanoi is approximately 26 kilometres away. It takes around 35 minutes to reach the centre driving.

  • When travelling on public transport, expect a journey time of about 1 hour 55 minutes.

When to fly to Noi Bai International Airport (HAN)

  • It's time to plan your dates for your flight from Siem Reap-Ankor International Airport to Noi Bai International Airport. July is the most popular month to visit Hanoi. If you like a more laid-back vibe, go in April.

  • When reserving your flight from Siem Reap-Ankor International Airport to Noi Bai International Airport, consider the type of weather you enjoy. June is the warmest month in Hanoi, with temperatures ranging from 25ºC (77ºF) to 36ºC (97ºF).

  • January sees average temperatures of between 10ºC (50ºF) and 22ºC (72ºF). Look for cheap tickets from SAI to HAN sometime then if you like travelling in cooler conditions.

Explore more of Vietnam

  • You've done Hanoi, now it's time to explore other corners of Vietnam. Journey about 48 kilometres north-west to Việt Trì to tick off its top attractions. From Vườn Lan Hiền Vũ to Nhà Vườn Tiến An and Vườn lan Ngọc Tân, there's plenty to keep you on the go.

  • If there's time to check out another great destination in Vietnam, head for Móng Cái, roughly 225 kilometres east of Hanoi. Tra Co beach, Moncay Catholic Church and Chimsu Chill on the beach are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.