Cheap Flights from Siem Reap–Angkor to Phnom Penh from $179

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

The best price we found for a return flight from Siem Reap–Angkor to Phnom Penh is $179. 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 Siem Reap–Angkor to Phnom Penh?

54 minutes is the average flight time from Siem Reap–Angkor to Phnom Penh.

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

Cambodia Angkor Air, Vietnam Airlines and AirAsia Cambodia fly direct from Siem Reap–Angkor to Phnom Penh.

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

As of April 2025, there are 39 flights per week flying from Siem Reap–Angkor to Phnom Penh.

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

The cheapest month to fly from Siem Reap–Angkor to Phnom Penh is usually April 2025.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Siem Reap–Angkor Airport to Phnom Penh Airport on Saturday, 31 May 2025 .

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

Yes – the average flight time is 54 minutes.

Q: How can I find the best flight deal to Phnom Penh?

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 Phnom Penh 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 Phnom Penh?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Phnom Penh 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 Siem Reap–Angkor Airport to Phnom Penh with?

Currently, Cambodia Angkor Air offers the cheapest flight tickets to Phnom Penh.

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Flight deals from Siem Reap–Angkor to Phnom Penh

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

Phnom Penh.$180 per passenger.Departing Sat, 31 May, returning Sun, 1 Jun.Return flight with Cambodia Angkor Air.Outbound direct flight with Cambodia Angkor Air departs from Siem Reap–Angkor on Sat, 31 May, arriving in Phnom Penh.Inbound direct flight with Cambodia Angkor Air departs from Phnom Penh on Sun, 1 Jun, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $180, select.

Phnom Penh.$186 per passenger.Departing Thu, 10 Apr, returning Mon, 14 Apr.Return flight with Cambodia Angkor Air.Outbound direct flight with Cambodia Angkor Air departs from Siem Reap–Angkor on Thu, 10 Apr, arriving in Phnom Penh.Inbound direct flight with Cambodia Angkor Air departs from Phnom Penh on Mon, 14 Apr, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $186, select.

Phnom Penh.$194 per passenger.Departing Fri, 16 May, returning Fri, 23 May.Return flight with Cambodia Angkor Air.Outbound direct flight with Cambodia Angkor Air departs from Siem Reap–Angkor on Fri, 16 May, arriving in Phnom Penh.Inbound direct flight with Cambodia Angkor Air departs from Phnom Penh on Fri, 23 May, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $194, select.

Phnom Penh.$202 per passenger.Departing Mon, 28 Apr, returning Mon, 5 May.Return flight with Cambodia Angkor Air and AirAsia Cambodia.Outbound direct flight with Cambodia Angkor Air departs from Siem Reap–Angkor on Mon, 28 Apr, arriving in Phnom Penh.Inbound direct flight with AirAsia Cambodia departs from Phnom Penh on Mon, 5 May, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $202, select.

Phnom Penh.$204 per passenger.Departing Sat, 19 Jul, returning Sat, 9 Aug.Return flight with AirAsia Cambodia.Outbound direct flight with AirAsia Cambodia departs from Siem Reap–Angkor on Sat, 19 Jul, arriving in Phnom Penh.Inbound direct flight with AirAsia Cambodia departs from Phnom Penh on Sat, 9 Aug, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $204, select.

Phnom Penh.$204 per passenger.Departing Sun, 29 Jun, returning Sat, 19 Jul.Return flight with AirAsia Cambodia.Outbound direct flight with AirAsia Cambodia departs from Siem Reap–Angkor on Sun, 29 Jun, arriving in Phnom Penh.Inbound direct flight with AirAsia Cambodia departs from Phnom Penh on Sat, 19 Jul, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $204, select.

Phnom Penh.$204 per passenger.Departing Wed, 9 Jul, returning Sat, 19 Jul.Return flight with AirAsia Cambodia.Outbound direct flight with AirAsia Cambodia departs from Siem Reap–Angkor on Wed, 9 Jul, arriving in Phnom Penh.Inbound direct flight with AirAsia Cambodia departs from Phnom Penh on Sat, 19 Jul, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $204, select.

Phnom Penh.$204 per passenger.Departing Fri, 22 Aug, returning Sat, 23 Aug.Return flight with AirAsia Cambodia.Outbound direct flight with AirAsia Cambodia departs from Siem Reap–Angkor on Fri, 22 Aug, arriving in Phnom Penh.Inbound direct flight with AirAsia Cambodia departs from Phnom Penh on Sat, 23 Aug, arriving in Siem Reap–Angkor .Price includes taxes and charges.From $204, select.

Find the cheapest month to fly from Siem Reap–Angkor to Phnom Penh

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

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Direct flights from Siem Reap–Angkor to Phnom Penh

Siem Reap–Angkor to Phnom Penh: Alternative routes

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

Siem Reap to Phnom Penh: Flight information

The things to know before you go.

Cheapest flight found	$179
Cheapest month to fly	May
Average flight time	54 mins
Most popular airline	Cambodia Angkor Air
Average flights per week	39

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

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

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

Which airlines fly direct from Siem Reap–Angkor to Phnom Penh?

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

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

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

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

How can I find the best flight deal to Phnom Penh?

When is the best time to book flights to Phnom Penh?

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

Flying from Siem Reap-Ankor International Airport (SAI) to Phnom Penh International Airport (PNH): what you need to know

A direct flight from Siem Reap-Ankor International Airport to Phnom Penh International Airport takes on average 51 minutes. Phnom Penh's timezone is UTC+7 — the same as Siem Reap.
There are 273 flights from Siem Reap-Ankor International Airport to Phnom Penh International Airport every week. Take the 07:40 flight if you want to be on your way as early as possible. If you'd like to get the most out of your day, the latest flight from SAI to PNH is 21:20.
Travelling during a peak month such as August? Major public holidays and other high seasons can mean longer lines and delays at security. Play things extra safe and arrive up to four hours before international flights and two hours before a domestic departure.
Cambodia Angkor Air is your gateway to exploring Phnom Penh (and perhaps some other exciting corners of Cambodia!). Browse the direct flights from Siem Reap-Ankor International Airport to Phnom Penh International Airport offered by this carrier.
We make it simple to book a flight with a stopover. To look at your options for flights from Siem Reap-Ankor International Airport to Phnom Penh International Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to explore your chosen city. Some popular stopovers between SAI and PNH are:
- Tan Son Nhat International Airport
- Changi International Airport
- Kuala Lumpur International Airport
Once you've booked cheap ticket from SAI to PNH, get your travel documents ready. A passport or visa isn't needed as you're travelling within Cambodia. As long as you have some other proof of identity, like a driver's license or an ID card, you're good to go.

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

The best price we've seen for a one-way ticket from Siem Reap-Ankor International Airport to Phnom Penh International Airport is $86. The cheapest price for a return flight is $179. Keep in mind that fares may change due to availability at the time of booking.
To snag flight tickets from SAI to PNH, book your trip 8 months before the departure date.
The cheapest month for tickets from Siem Reap-Ankor International Airport to Phnom Penh International Airport is April. Use the 'Whole month' tool to find the lowest airfares if you have a flexible travel schedule.
Create a Price Alert for flight tickets from SAI to PNH. You don't need to check back in every day to see whether fares have dropped. We'll update you when the price changes.
Use filters to tailor your flights from Siem Reap-Ankor International Airport to Phnom Penh International Airport. Select your preferred arrival and departure times, number of stops and airlines. Or sort your results by 'Cheapest' to see the best deals.

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

To reach Siem Reap-Ankor International Airport from central Siem Reap, it takes about 59 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 48 kilometres from the airport to the city centre.
Booking a night at a hotel can take the stress out of reaching the airport on time. If you want a place to stay before your flight from Siem Reap-Ankor International Airport to Phnom Penh International Airport, have a look at Chansor Community Homestay 18. It's a short drive from SAI.

Arriving at Phnom Penh International Airport (PNH)

Book a hotel close to PNH if you're taking a late flight from Siem Reap-Ankor International Airport to Phnom Penh International Airport. Settle into one of these accommodation options and skip the long transfer:

Getting from Phnom Penh International Airport (PNH) to central Phnom Penh

Phnom Penh International Airport to the centre of Phnom Penh takes about 30 minutes by car. It's approximately 11 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing services.

When to fly to Phnom Penh International Airport (PNH)

The quietest month for a flight from Siem Reap-Ankor International Airport to Phnom Penh International Airport is February, while August is the busiest. Pick the ideal time to visit Phnom Penh based on whether you prefer a bustling atmosphere or a more laid-back vibe.
The warmest month in Phnom Penh is March, with temperatures ranging between 23 ºC and 38 ºC. Lock in your flights from Siem Reap-Ankor International Airport to Phnom Penh International Airport in this month if you like this kind of weather.
If you like travelling in cooler conditions, search for a cheap ticket from SAI to PNH in January. Temperatures average between 20 ºC and 33 ºC then.

More about Phnom Penh

Start your Phnom Penh trip right by finding an amazing place to stay. After booking your flight from SAI to PNH, check out our selection of accommodation options including:
There are so many things to explore in this city it can be tricky to know where to start. Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom are highlights which should feature on every Phnom Penh itinerary.

Complete your Phnom Penh trip with hotels and a car rental

You've booked your cheap ticket to Phnom Penh International Airport — next up is finding a place to stay, and perhaps even your own set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in Phnom Penh.