What is the cheapest airline to fly from Phoenix Sky Harbor Intl Airport to Siem Reap round-trip?

Currently priced at $999, Singapore Airlines will fly you from Phoenix Sky Harbor Intl Airport to Siem Reap and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Siem Reap?

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Siem Reap flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 10.2 inches per month. September is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 in.

If weather is an important factor for your trip to Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 75.2 F).

What is the cheapest time of day to fly from PHX to SAI?

One of the essential ways to save on airfare from Phoenix Sky Harbor Intl Airport to Siem Reap is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 35% on airfare.

What airport do you fly into for flights to Siem Reap from Phoenix Sky Harbor Intl?

Most people fly into Siem Reap–Angkor Intl (SAI) if they book a flight to Siem Reap from Phoenix Sky Harbor Intl. On average, Siem Reap–Angkor Intl has 0 inbound flights from Phoenix Sky Harbor Intl per day from 1 airline. Siem Reap–Angkor Intl is conveniently located just 24.7 mi from Siem Reap’s city center.

Can I find deals for flights from Sky Harbor Intl to Siem Reap that include hotel bookings?

Yes. In addition to deals on Sky Harbor Intl to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Sky Harbor Intl to Siem Reap?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Siem Reap.

Can I find deals for business class flights from Sky Harbor Intl to Siem Reap?

Yes. Cheapflights offers flight deals from Sky Harbor Intl to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Phoenix Sky Harbor Intl Airport to Siem Reap, Cambodia

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Best time to book a flight from Sky Harbor Intl to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Sky Harbor Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Siem Reap

Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Siem Reap, such as Singapore Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.1

Very good

1,367 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Singapore Airlines

8.1

Very good

1,367 reviews

Singapore Airlines

8.1

Very good

1,367 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

DAD - SIN

Related info for your journey

What airport do you fly into for flights to Siem Reap from Phoenix Sky Harbor Intl?
Most people fly into Siem Reap–Angkor Intl (SAI) if they book a flight to Siem Reap from Phoenix Sky Harbor Intl. On average, Siem Reap–Angkor Intl has 0 inbound flights from Phoenix Sky Harbor Intl per day from 1 airline. Siem Reap–Angkor Intl is conveniently located just 24.7 mi from Siem Reap’s city center.
What is the cheapest airline to fly from Phoenix Sky Harbor Intl Airport to Siem Reap round-trip?
Currently priced at $999, Singapore Airlines will fly you from Phoenix Sky Harbor Intl Airport to Siem Reap and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip.
Can I find deals for flights from Sky Harbor Intl to Siem Reap that include hotel bookings?
Yes. In addition to deals on Sky Harbor Intl to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sky Harbor Intl to Siem Reap?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Siem Reap.
Can I find deals for business class flights from Sky Harbor Intl to Siem Reap?
Yes. Cheapflights offers flight deals from Sky Harbor Intl to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from Sky Harbor Intl to Siem Reap

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$999	Average$1,389	FlexibilityNo cancel fee	On-time81%

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Find cheap flights from Sky Harbor Intl to Siem Reap with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Sky Harbor Intl to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Sky Harbor Intl with our price prediction graph.

Reviews of airlines servicing Siem Reap

Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Siem Reap, such as Singapore Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Siem Reap from Phoenix Sky Harbor Intl?

What is the cheapest airline to fly from Phoenix Sky Harbor Intl Airport to Siem Reap round-trip?

Can I find deals for flights from Sky Harbor Intl to Siem Reap that include hotel bookings?

How can I find direct flights from Sky Harbor Intl to Siem Reap?

Can I find deals for business class flights from Sky Harbor Intl to Siem Reap?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Siem Reap by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Sky Harbor Intl to Siem Reap by cabin class

Find flights from Sky Harbor Intl to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Sky Harbor Intl and Siem Reap flights

Browse other Sky Harbor Intl and Siem Reap flight options. Last updated on September 17, 2025.

Other flights from Sky Harbor Intl

Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2025.

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Top airline flying from Sky Harbor Intl to Siem Reap

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Cheap flights from Sky Harbor Intl (PHX) to Siem Reap, Cambodia (SAI)

Find cheap flights from Sky Harbor Intl to Siem Reap with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Sky Harbor Intl to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Sky Harbor Intl with our price prediction graph.

Reviews of airlines servicing Siem Reap

Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Siem Reap, such as Singapore Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Siem Reap from Phoenix Sky Harbor Intl?

What is the cheapest airline to fly from Phoenix Sky Harbor Intl Airport to Siem Reap round-trip?

Can I find deals for flights from Sky Harbor Intl to Siem Reap that include hotel bookings?

How can I find direct flights from Sky Harbor Intl to Siem Reap?

Can I find deals for business class flights from Sky Harbor Intl to Siem Reap?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Siem Reap by adding a car rental and/or hotel reservation to your travel itinerary.

Top airline flying from Sky Harbor Intl to Siem Reap

100% Free

Book with Flexibility

Travel Smart