Cheap flights from Siem Reap to Phnom Penh

One-way fares from $55 · SAI → PNH · prices found by travellers in the last 48 hours

Compare all dates Phnom Penh → Siem Reap
Cheapest fare
$55

Cambodia Airways · Tue, Nov 10

Cheapest month
November

from $55

Direct flights
Yes

Cambodia Airways and Air Cambodia

Flight time
0h 40m

230 km

Get a price alert

We'll email you when Siem Reap → Phnom Penh drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $55. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Siem Reap to Phnom Penh

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

  1. November 2026 Cheapest $55
  2. December 2026 $88
  3. January 2027 $93
  4. February 2027 $109
  5. March 2027 $109

Cheapest dates in November 2026

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

Cambodia Airways
Depart11:20 Tue, Nov 10SAI → KTI 1h 05m · Direct
$55one way, per person
View deal
Cambodia Airways
Depart17:00 Fri, Nov 20SAI → KTI 1h 05m · Direct
$68one way, per person
View deal
Cambodia Airways
Depart20:05 Sat, Nov 21SAI → KTI 1h 05m · Direct
$68one way, per person
View deal
Cambodia Airways
Depart11:20 Sat, Nov 14SAI → KTI 1h 05m · Direct
$69one way, per person
View deal
Air Cambodia
Depart15:00 Tue, Nov 17SAI → KTI 0h 50m · Direct
$74one way, per person
View deal
Cambodia Airways
Depart20:05 Thu, Nov 26SAI → KTI 1h 05m · Direct
$76one way, per person
View deal
Cambodia Airways
Depart20:05 Sun, Nov 29SAI → KTI 1h 05m · Direct
$79one way, per person
View deal
Cambodia Airways
Depart20:05 Sat, Nov 28SAI → KTI 1h 05m · Direct
$80one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Phnom Penh

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

Where to stay

Hotels in Phnom PenhCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in Phnom PenhTours, attractions and day trips on Klook Explore →

Getting around

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

About flights from Siem Reap to Phnom Penh

Siem Reap (SAI) and Phnom Penh (PNH) are about 230 km apart. Direct flights take around 0h 40m, and recent direct fares were with Cambodia Airways and Air Cambodia. Over the next few months, one-way fares start from $55, and November 2026 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 Siem Reap to Phnom Penh?

The cheapest one-way fare we've seen recently is $55 with Cambodia Airways, departing Tuesday, November 10, 2026. Over the coming months, the lowest fare in each month ranges from $55 to $109.

What is the cheapest month to fly from Siem Reap to Phnom Penh?

November 2026 currently has the lowest fares, from $55 one way.

Are there direct flights from Siem Reap to Phnom Penh?

Yes. Recent direct fares were with Cambodia Airways and Air Cambodia.

How long is the flight from Siem Reap to Phnom Penh?

A direct flight takes about 0h 40m. Siem Reap and Phnom Penh are around 230 km apart.

Which airlines fly from Siem Reap to Phnom Penh?

Recent fares on this route were with Cambodia Airways, Air Cambodia and Thai AirAsia.

More cheap flights from Siem Reap

Compare flights to Phnom Penh from other cities →