Cheap Flights from Colombo to Siem Reap–Angkor from 398 €

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

The best price we found for a return flight from Colombo to Siem Reap–Angkor is 398 €. 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: Which airlines fly direct from Colombo to Siem Reap–Angkor ?

Currently, there are no airlines that fly direct from Colombo to Siem Reap–Angkor . But we found flights with one stop from 398 €.

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

As of March 2025, there are no flights flying from Colombo to Siem Reap–Angkor .

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

The cheapest month to fly from Colombo to Siem Reap–Angkor is usually June.

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Colombo to Siem Reap–Angkor Airport on Sunday, 1 June 2025 .

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

No airlines currently offer direct flights between Colombo and Siem Reap–Angkor Airport. Most routes have one or more stops.

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 Colombo to Siem Reap–Angkor with?

The cheapest airline that flies to Siem Reap–Angkor is Singapore Airlines .

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Flight deals from Colombo to Siem Reap–Angkor

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

Siem Reap.398 € per passenger.Departing Sun, 1 Jun, returning Mon, 25 Aug.Return flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Colombo Bandaranayake on Sun, 1 Jun, arriving in Siem Reap–Angkor .Inbound indirect flight with Singapore Airlines, departs from Siem Reap–Angkor on Mon, 25 Aug, arriving in Colombo Bandaranayake.Price includes taxes and charges.From 398 €, select.

Siem Reap.403 € per passenger.Departing Sat, 1 Nov, returning Wed, 5 Nov.Return flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Colombo Bandaranayake on Sat, 1 Nov, arriving in Siem Reap–Angkor .Inbound indirect flight with Singapore Airlines, departs from Siem Reap–Angkor on Wed, 5 Nov, arriving in Colombo Bandaranayake.Price includes taxes and charges.From 403 €, select.

Siem Reap.406 € per passenger.Departing Thu, 15 May, returning Mon, 26 May.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Colombo Bandaranayake on Thu, 15 May, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Mon, 26 May, arriving in Colombo Bandaranayake.Price includes taxes and charges.From 406 €, select.

Siem Reap.409 € per passenger.Departing Wed, 2 Jul, returning Wed, 9 Jul.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Colombo Bandaranayake on Wed, 2 Jul, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Wed, 9 Jul, arriving in Colombo Bandaranayake.Price includes taxes and charges.From 409 €, select.

Siem Reap.412 € per passenger.Departing Mon, 27 Oct, returning Fri, 31 Oct.Return flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Colombo Bandaranayake on Mon, 27 Oct, arriving in Siem Reap–Angkor .Inbound indirect flight with Singapore Airlines, departs from Siem Reap–Angkor on Fri, 31 Oct, arriving in Colombo Bandaranayake.Price includes taxes and charges.From 412 €, select.

Siem Reap.413 € per passenger.Departing Sat, 16 Aug, returning Sat, 23 Aug.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Colombo Bandaranayake on Sat, 16 Aug, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Sat, 23 Aug, arriving in Colombo Bandaranayake.Price includes taxes and charges.From 413 €, select.

Siem Reap.420 € per passenger.Departing Wed, 25 Jun, returning Wed, 9 Jul.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Colombo Bandaranayake on Wed, 25 Jun, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Wed, 9 Jul, arriving in Colombo Bandaranayake.Price includes taxes and charges.From 420 €, select.

Siem Reap.432 € per passenger.Departing Sun, 18 May, returning Sat, 7 Jun.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Colombo Bandaranayake on Sun, 18 May, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Sat, 7 Jun, arriving in Colombo Bandaranayake.Price includes taxes and charges.From 432 €, select.

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

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

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Colombo to Siem Reap–Angkor : Alternative routes

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

Colombo to Siem Reap: Flight information

The things to know before you go.

Cheapest flight found	398 €
Cheapest month to fly	June

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

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

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

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

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

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

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

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

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

Travelling from Colombo to Siem Reap-Ankor International Airport (SAI): what you need to know

Bandaranaike International Airport (CMB) is Colombo's main airport. Explore your options for reserving a flight from Colombo to Siem Reap-Ankor International Airport (SAI) taking off from here.
Siem Reap-Ankor International Airport is located in Siem Reap. The city operates in the UTC+7 timezone and is 1 hour 30 minutes ahead of Colombo.
Get to the airport on time so you don't miss your flight from Colombo to SAI. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.
You'll likely experience longer queues in popular months such as August and other peak seasons. Arriving up to four hours in advance for an international flight and two hours for domestic departures will help ensure a smooth travel experience.

Airports in Colombo

Bandaranaike International Airport (CMB)

Think about adding a stopover to possibly find a cheaper flight from Colombo to SAI. Just deselect 'Direct flights only' when browsing departures from Bandaranaike International Airport (CMB). Take a break (and maybe save some cash) by stopping at one of these popular options:
- Suvarnabhumi Airport (BKK)
- Changi International Airport (SIN)
- Kuala Lumpur International Airport (KUL)
From the centre of Colombo, CMB is approximately 32 kilometres away. Visit the official airport website or use navigation apps to find the best way to arrive at the terminal.
Have an early flight from Colombo to Siem Reap-Ankor International Airport? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by choosing one of these hotels near Bandaranaike International Airport:

About Siem Reap-Ankor International Airport (SAI)

Hop off your flight from Colombo to Siem Reap-Ankor International Airport and be sprawled out in your hotel bed shortly after. If you need a comfortable option a short drive from SAI, head for Chansor Community Homestay 18.

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

From Siem Reap-Ankor International Airport, Siem Reap is approximately 48 kilometres away. It takes around 59 minutes to reach the centre driving.

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

For a one-way ticket from Colombo to Siem Reap-Ankor International Airport, 184 € is the best price we've seen. You can also book a return flight starting from 398 €. These are the lowest fares right now but could change depending on availability.
We suggest booking as soon as possible to get cheap tickets from Colombo to SAI. You're more likely to land a great deal and have a larger selection of departure times and dates.
Use the 'Whole month' tool and compare the prices of tickets from Colombo to Siem Reap-Ankor International Airport across the month. We've highlighted the lowest fares in green, making it easy to find a flight that fits your budget.
Sign into your online account or use the app to create a Price Alert. We'll notify you straight away if there's an incredible deal on this route. It doesn't take long, and it'll save you from searching for cheap tickets from Colombo to SAI every day.
Use the filters to tailor your flights from Colombo to Siem Reap-Ankor International Airport. Simply enter your preferred arrival and departure times, number of stops and airlines. You can also sort your results by 'Cheapest' to find the best deals.

The best time to fly from Colombo to Siem Reap-Ankor International Airport (SAI)

August is the busiest month to hop on a flight from Colombo to Siem Reap-Ankor International Airport while April is the quietest. To work out the best time to visit Siem Reap, consider the pace you prefer to travel at.
Think about the kind of weather that'll work with your plans for Siem Reap. The warmest month is March. Book your flights from Colombo to SAI sometime then and you can expect temperatures of between 22ºC and 38ºC.
If you'd rather travel in cooler conditions, look for a cheap flight from Colombo to Siem Reap-Ankor International Airport in January when temperatures average between 18ºC and 33ºC.

More about Siem Reap

Start your Siem Reap trip right by choosing the ideal place to stay. After booking your flight from Colombo to Siem Reap-Ankor International Airport, check out our selection of hotels including:
Every great holiday has to include some sightseeing. Bayon Temple, Angkor Thom and Pub Street are attractions you won't want to skip in Siem Reap.

Complete your Siem Reap trip with a car rental

Once you've locked in your hotel and cheap flight from Colombo to Siem Reap-Ankor International Airport, next up is choosing one of our car rentals in Siem Reap. Check out the deals and easily compare options on price, fuel policies, and more.

Plan the rest of your trip from Colombo to Siem Reap

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

Flight deals from Colombo to Siem Reap–Angkor

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

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

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

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

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

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

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

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

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

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

Plan the rest of your trip from Colombo to Siem Reap

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