Cheap flights from Cairns to Siem Reap

One-way fares from $434 · CNS → SAI · prices found by travellers in the last 48 hours

Compare all dates Siem Reap → Cairns
Cheapest fare
$434

Singapore Airlines · Wed, 17 Feb

Cheapest month
February

from $434

Direct flights
Not recently

Usually 1+ stop

Quickest trip
9h 00m

5,700 km

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Cheapest month to fly from Cairns to Siem Reap

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. February 2027 Cheapest $434

Cheapest dates in February 2027

The lowest fares we've seen for each day, cheapest first.

Singapore Airlines
Depart18:20 Wed, 17 FebCNS → SAI 9h 00m · 1 stop
$434one way, per person
View deal
See every date in February 2027 →

Plan the rest of your trip to Siem Reap

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in Siem ReapCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in Siem ReapTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in Siem ReapPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in Siem ReapCompare rental cars from major brands on EconomyBookings Compare cars →

Stay connected

eSIM for CambodiaMobile data from the moment you land, by Airalo Get eSIM →

About flights from Cairns to Siem Reap

Cairns (CNS) and Siem Reap (SAI) are about 5,700 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 9h 00m. Over the next few months, one-way fares start from $434, and February 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Cairns to Siem Reap?

The cheapest one-way fare we've seen recently is $434 with Singapore Airlines, departing Wednesday 17 February 2027.

What is the cheapest month to fly from Cairns to Siem Reap?

February 2027 currently has the lowest fares, from $434 one way.

Are there direct flights from Cairns to Siem Reap?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Cairns to Siem Reap?

The quickest journey we've seen takes about 9h 00m. Cairns and Siem Reap are around 5,700 km apart.

Which airlines fly from Cairns to Siem Reap?

Recent fares on this route were with Singapore Airlines.

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