Cheap Flights from Phoenix Sky Harbor to Siem Reap–Angkor

Compare Phoenix Sky Harbor to Siem Reap–Angkor flight deals

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

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Find the cheapest month to fly from Phoenix Sky Harbor to Siem Reap–Angkor

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

Phoenix Sky Harbor to Siem Reap–Angkor : Alternative routes

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

Phoenix to Siem Reap: Flight information

The things to know before you go.
Cheapest flight foundRs151,336
Cheapest month to flyOctober

Finding cheap flights from Phoenix Sky Harbor to Siem Reap–Angkor : Frequently asked questions

The best price we found for a return flight from Phoenix Sky Harbor to Siem Reap–Angkor is Rs340,837. 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.
Currently, there are no airlines that fly direct from Phoenix Sky Harbor to Siem Reap–Angkor . But we found flights with one or more stops from Rs340,837.
As of August 2026, there are no flights flying from Phoenix Sky Harbor to Siem Reap–Angkor .
The cheapest month to fly from Phoenix Sky Harbor to Siem Reap–Angkor is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix Sky Harbor Airport to Siem Reap–Angkor Airport on Thursday, 8 October 2026.
No airlines currently offer direct flights between Phoenix Sky Harbor Airport and Siem Reap–Angkor Airport. Most routes have one or more stops.
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.

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.

Currently, Frontier Airlines offers the cheapest flight tickets to Siem Reap–Angkor .

Flying from Phoenix Sky Harbour Airport (PHX) to Siem Reap–Angkor Airport (SAI): what you need to know

  • Siem Reap's timezone is UTC+7, which makes Siem Reap 14 hours ahead of Phoenix.

  • Your PHX to SAI flight won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Be prepared for longer queues in popular months such as April. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a wise move.

How to find the cheapest flights from Phoenix Sky Harbour Airport (PHX) to Siem Reap–Angkor Airport (SAI)

  • Rs151,336 is currently the best price for a one-way Phoenix Sky Harbour Airport to Siem Reap–Angkor Airport flight. A return flight starts at Rs340,837. These fares may change depending on availability.

  • Don't wait until the last minute. You're more likely to get cheap tickets from PHX to SAI if you book early. Airlines often have some fantastic early bird discounts.

  • If you can be flexible with your travel dates, try using the 'Whole month' tool. It'll find the cheapest price in each month when looking for a flight from Phoenix Sky Harbour Airport to Siem Reap–Angkor Airport.

  • You won't have to check every day to see if fares have gone down when you create a Price Alert. We'll let you know the moment there's a new deal on cheap flights from PHX to SAI.

  • Tailor your flights using filters. Pick your ideal departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Phoenix Sky Harbour Airport to Siem Reap–Angkor Airport.

Handy information about Phoenix Sky Harbour Airport (PHX)

  • You'll find PHX at 3400 Sky Harbour Boulevard.

  • Phoenix Sky Harbour Airport earns top marks for on-time performance. 80% of flights that depart PHX land on time.

  • Phoenix Sky Harbour Airport is about 5 kilometres from central Phoenix. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 10 minutes or so to arrive, depending on the traffic.

  • You can expect a journey time of about 25 minutes on public transport.

  • Get your journey off to a leisurely start by staying near PHX. Whether you're taking an early flight from Phoenix Sky Harbour Airport to Siem Reap–Angkor Airport or just don't like being rushed, these stays have you covered:

Getting from Siem Reap–Angkor Airport (SAI) to central Siem Reap

  • Siem Reap–Angkor Airport to central Siem Reap has a drive time of about 15 minutes. It's approximately 8 kilometres away.

  • When travelling by public transport, expect a journey time of around 25 minutes.

When to fly to Siem Reap–Angkor Airport (SAI)

  • December is the most popular month for flights from Phoenix Sky Harbour Airport to Siem Reap–Angkor Airport. For a quieter experience, go to Siem Reap in June.

  • The warmest month in Siem Reap is March, with the temperature ranging between 22ºC and 38ºC. Lock in your flights from Phoenix Sky Harbour Airport to Siem Reap–Angkor Airport in this month if this is the type of weather you like.

  • Look for cheap tickets from PHX to SAI in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 18ºC and 33ºC on average.

Explore more of Cambodia

  • Siem Reap has plenty to offer, but there are so many other corners of Cambodia waiting to be explored. About 225 kilometres south-east of Siem Reap, a trip to Phnom Penh will keep you on the move. Start with leading sights like Royal Palace, Genocide museum and Documentation Centre of Cambodia.

  • Sihanoukville is another favourite destination in Cambodia and is around 306 kilometres south of Siem Reap. No journey is complete without seeing Otres Beach, Independence Beach and Sokha Beach.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.