£90 Cheap Flights from Hanoi (HAN) to Siem Reap–Angkor (SAI)

Q: How much are return flights from Hanoi to Siem Reap–Angkor ?

The best price we found for a return flight from Hanoi to Siem Reap–Angkor is £90. 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.

Q: How long does it take to fly from Hanoi to Siem Reap–Angkor ?

1 hour and 42 minutes is the average flight time from Hanoi to Siem Reap–Angkor .

Q: Which airlines fly direct from Hanoi to Siem Reap–Angkor ?

Vietnam Airlines, ANA (All Nippon Airways) and Hahn Air Systems fly direct from Hanoi to Siem Reap–Angkor .

Q: How many flights are there a week from Hanoi to Siem Reap–Angkor ?

As of May 2025, there are 49 flights per week flying from Hanoi to Siem Reap–Angkor .

Q: When is the cheapest time to fly from Hanoi to Siem Reap–Angkor ?

The cheapest month to fly from Hanoi to Siem Reap–Angkor is usually May 2025.

Q: Which upcoming date is cheapest to fly from Hanoi Airport to Siem Reap–Angkor Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hanoi Airport to Siem Reap–Angkor Airport on Monday, 2 June 2025 .

Q: Can I get a direct flight from Hanoi Airport to Siem Reap–Angkor Airport?

Yes – the average flight time is 1 hour and 42 minutes.

Q: How can I find the best flight deal to Siem Reap–Angkor ?

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 Siem Reap–Angkor 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.

Q: When is the best time to book flights to Siem Reap?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Siem Reap is around 40 days in advance, so don’t leave your flight to the last minute.

Q: Which is the cheapest airline to fly from Hanoi Airport to Siem Reap–Angkor with?

Currently, VietJet Air offers the cheapest flight tickets to Siem Reap–Angkor .

Compare Hanoi to Siem Reap–Angkor flight deals

Find the cheapest month or even day of the year to fly to Siem Reap–Angkor

Book the best Siem Reap–Angkor fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Hanoi to Siem Reap–Angkor

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

Siem Reap.£90 per passenger.Departing Mon, 2 Jun, returning Mon, 16 Jun.Return flight with VietJet Air.Outbound direct flight with VietJet Air departs from Hanoi on Mon, 2 Jun, arriving in Siem Reap–Angkor .Inbound direct flight with VietJet Air departs from Siem Reap–Angkor on Mon, 16 Jun, arriving in Hanoi.Price includes taxes and charges.From £90, select.

Siem Reap.£93 per passenger.Departing Tue, 27 May, returning Wed, 4 Jun.Return flight with VietJet Air.Outbound direct flight with VietJet Air departs from Hanoi on Tue, 27 May, arriving in Siem Reap–Angkor .Inbound direct flight with VietJet Air departs from Siem Reap–Angkor on Wed, 4 Jun, arriving in Hanoi.Price includes taxes and charges.From £93, select.

Siem Reap.£97 per passenger.Departing Sun, 14 Sep, returning Sun, 21 Sep.Return flight with VietJet Air.Outbound direct flight with VietJet Air departs from Hanoi on Sun, 14 Sep, arriving in Siem Reap–Angkor .Inbound direct flight with VietJet Air departs from Siem Reap–Angkor on Sun, 21 Sep, arriving in Hanoi.Price includes taxes and charges.From £97, select.

Siem Reap.£98 per passenger.Departing Sun, 28 Sep, returning Fri, 3 Oct.Return flight with VietJet Air.Outbound direct flight with VietJet Air departs from Hanoi on Sun, 28 Sep, arriving in Siem Reap–Angkor .Inbound direct flight with VietJet Air departs from Siem Reap–Angkor on Fri, 3 Oct, arriving in Hanoi.Price includes taxes and charges.From £98, select.

Siem Reap.£99 per passenger.Departing Sun, 31 Aug, returning Thu, 4 Sep.Return flight with VietJet Air.Outbound direct flight with VietJet Air departs from Hanoi on Sun, 31 Aug, arriving in Siem Reap–Angkor .Inbound direct flight with VietJet Air departs from Siem Reap–Angkor on Thu, 4 Sep, arriving in Hanoi.Price includes taxes and charges.From £99, select.

Siem Reap.£100 per passenger.Departing Fri, 23 May, returning Mon, 26 May.Return flight with VietJet Air.Outbound direct flight with VietJet Air departs from Hanoi on Fri, 23 May, arriving in Siem Reap–Angkor .Inbound direct flight with VietJet Air departs from Siem Reap–Angkor on Mon, 26 May, arriving in Hanoi.Price includes taxes and charges.From £100, select.

Siem Reap.£107 per passenger.Departing Mon, 30 Jun, returning Wed, 2 Jul.Return flight with VietJet Air.Outbound direct flight with VietJet Air departs from Hanoi on Mon, 30 Jun, arriving in Siem Reap–Angkor .Inbound direct flight with VietJet Air departs from Siem Reap–Angkor on Wed, 2 Jul, arriving in Hanoi.Price includes taxes and charges.From £107, select.

Siem Reap.£109 per passenger.Departing Sat, 7 Feb, returning Wed, 11 Feb.Return flight with VietJet Air.Outbound direct flight with VietJet Air departs from Hanoi on Sat, 7 Feb, arriving in Siem Reap–Angkor .Inbound direct flight with VietJet Air departs from Siem Reap–Angkor on Wed, 11 Feb, arriving in Hanoi.Price includes taxes and charges.From £109, select.

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

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

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Direct flights from Hanoi to Siem Reap–Angkor

Hanoi to Siem Reap–Angkor : Alternative routes

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

Hanoi to Siem Reap: Flight information

The things to know before you go.

Cheapest flight found	£90
Cheapest month to fly	June
Average flight time	1 hr, 43 mins
Most popular airline	Vietnam Airlines
Average flights per week	49

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

How much are return flights from Hanoi to Siem Reap–Angkor ?

How long does it take to fly from Hanoi to Siem Reap–Angkor ?

Which airlines fly direct from Hanoi to Siem Reap–Angkor ?

How many flights are there a week from Hanoi to Siem Reap–Angkor ?

When is the cheapest time to fly from Hanoi to Siem Reap–Angkor ?

Which upcoming date is cheapest to fly from Hanoi Airport to Siem Reap–Angkor Airport on?

Can I get a direct flight from Hanoi Airport to Siem Reap–Angkor Airport?

How can I find the best flight deal to Siem Reap–Angkor ?

When is the best time to book flights to Siem Reap?

Which is the cheapest airline to fly from Hanoi Airport to Siem Reap–Angkor with?

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

The average time for a direct flight from Noi Bai International Airport to Siem Reap-Ankor International Airport is 1 hour 45 minutes.
Hanoi and Siem Reap are both in the UTC+7 timezone. That means you won't need to account for any time differences.
Take your pick of 38 weekly Noi Bai International Airport to Siem Reap-Ankor International Airport flights. The 15:05 departure with Vietnam Airlines is the earliest flight available. Vietnam Airlines operates the last service of the day at 18:15.
Get to the airport on time so you don't miss your HAN to SAI flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.
During popular months such as July, it's best to get to the airport earlier. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during a peak period in general.
With direct flights from Noi Bai International Airport to Siem Reap-Ankor International Airport operated by a number of airlines, getting to Siem Reap (and then other corners of Cambodia) is a snap. You can fly nonstop with:
Most travellers choose to travel with Cambodia Angkor Air on this route.
Among carriers operating HAN to SAI flights, Cambodia Angkor Air has the highest rate of on-time arrivals.
If you want to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from Noi Bai International Airport to Siem Reap-Ankor International Airport. These are the most popular stopovers between HAN and SAI:
- Da Nang International Airport
- Tan Son Nhat International Airport
- Suvarnabhumi Airport

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

The lowest price we've found for a one-way Noi Bai International Airport to Siem Reap-Ankor International Airport flight is £42. A round-trip ticket right now is £90. Depending on the availability and when you book, these fares can change.
Book five months before you travel. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from HAN to SAI.
The cheapest month for flights from Noi Bai International Airport to Siem Reap-Ankor International Airport is April. Use the 'Whole month' tool to see the lowest prices if you have flexible dates.
There's no need to check every day to see if fares have gone down when you create a Price Alert. We'll notify you the moment there's a better deal on cheap flights from HAN to SAI.
Choose your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Noi Bai International Airport to Siem Reap-Ankor International Airport.

Handy information about Noi Bai International Airport (HAN)

Of the flights that depart from Noi Bai International Airport, 75.32% touch down on time at their destination.
Central Hanoi to Noi Bai International Airport is around 16 miles. Depending on traffic, it'll take you about 35 minutes to get there if you're catching a cab, ride-sharing or driving.
Expect a journey time of about 1 hour 55 minutes when using public transport.
Looking for a convenient hotel near HAN? If you're catching an early flight from Noi Bai International Airport to Siem Reap-Ankor International Airport, these accommodation options will have you sleeping moments from your check-in counter:

Arriving at Siem Reap-Ankor International Airport (SAI)

Consider staying at Chansor Community Homestay 18 after touching down from your Noi Bai International Airport to Siem Reap-Ankor International Airport flight. It's a short drive from SAI and a comfortable option if you'd like to get some sleep right away.

Getting from Siem Reap-Ankor International Airport (SAI) to central Siem Reap

Siem Reap-Ankor International Airport to the centre of Siem Reap has a drive time of around 1 hour. It's approximately 30 miles away.

When to fly to Siem Reap-Ankor International Airport (SAI)

The quietest month for a flight from Noi Bai International Airport to Siem Reap-Ankor International Airport is April, while April is the busiest. Choose the best time to go to Siem Reap based on whether you prefer a more relaxed vibe or a faster pace.
Lock in your flight from Noi Bai International Airport to Siem Reap-Ankor International Airport for March if you'd like to go to Siem Reap during its warmest month. You can expect temperatures of between 22ºC (72ºF) and 38ºC (100ºF).
January has average temperatures of between 18ºC (64ºF) and 33ºC (91ºF). Search for cheap tickets from HAN to SAI sometime around then if you like cooler conditions.

Explore more of Cambodia

Phnom Penh is just one of the many places in Cambodia waiting to be explored once you've taken in the sights of Siem Reap. Around 140 miles away to the south-east, its best attractions include Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.
Around 190 miles south of Siem Reap, Sihanoukville is another favourite stop in Cambodia. Get a taste of what this destination has to offer at Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple.