How do I get Price Alerts for flights from Philadelphia to Siem Reap?

Search flight deals from Philadelphia to Siem Reap . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Philadelphia to Siem Reap with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Philadelphia Airport to Siem Reap–Angkor Intl Airport?

Prices for flights from Philadelphia Airport to Siem Reap–Angkor Intl Airport refresh daily.

How old do you have to be to fly from Philadelphia Airport to Siem Reap–Angkor Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Siem Reap–Angkor Intl Airport.

What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

The travel and health documents required for your trip to Siem Reap–Angkor Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Siem Reap–Angkor Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,431 Cheap Flights from Philadelphia to Siem Reap in 2026

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0 bags

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Find the cheapest flights from Philadelphia to Siem Reap

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 pm - 6:55 pm

PHL

SAI

35h 25m

2 stops

9:45 pm - 9:00 am

SAI

PHL

46h 15m

2 stops

$1,431Multiple Airlines

mar., oct. 6 - vie., oct. 23

5:50 pm - 6:55 pm

PHL

SAI

38h 05m

3 stops

12:55 pm - 9:00 am

SAI

PHL

31h 05m

2 stops

$1,729Qatar Airways

mar., oct. 6 - vie., oct. 23

10:45 am - 9:00 am

PHL

SAI

35h 15m

3 stops

12:55 pm - 5:59 pm

SAI

PHL

40h 04m

3 stops

$1,742Etihad Airways

mar., oct. 6 - vie., oct. 23

6:00 am - 9:30 pm

PHL

SAI

52h 30m

3 stops

11:50 pm - 10:43 pm

SAI

PHL

57h 53m

3 stops

$1,824Multiple Airlines

mar., may. 26 - mar., jun. 2

6:00 am - 9:40 am

PHL

SAI

40h 40m

2 stops

9:45 am - 12:25 pm

SAI

PHL

37h 40m

2 stops

$2,544Multiple Airlines

mar., may. 26 - mar., jun. 2

10:10 pm - 7:05 pm

PHL

SAI

33h 55m

2 stops

1:05 pm - 12:10 pm

SAI

PHL

34h 05m

2 stops

$2,636Multiple Airlines

vie., may. 29 - mié., jun. 3

3:47 pm - 7:05 pm

PHL

SAI

40h 18m

3 stops

7:45 pm - 12:57 am

SAI

PHL

40h 12m

3 stops

$2,738Qatar Airways

vie., may. 29 - mié., jun. 3

3:47 pm - 7:05 pm

PHL

SAI

40h 18m

3 stops

7:45 pm - 12:57 am

SAI

PHL

40h 12m

3 stops

$2,741Qatar Airways

vie., may. 29 - mié., jun. 3

10:10 pm - 7:05 pm

PHL

SAI

33h 55m

2 stops

7:45 pm - 12:10 pm

SAI

PHL

27h 25m

2 stops

$2,970British Airways

vie., may. 29 - mié., jun. 3

6:00 am - 9:30 pm

PHL

SAI

52h 30m

3 stops

10:30 am - 4:05 pm

SAI

PHL

40h 35m

2 stops

$3,247Multiple Airlines

mar., may. 26 - mar., jun. 2

Qatar Airways flights from Philadelphia to Siem Reap

Our best Qatar Airways deals on Philadelphia to Siem Reap flight tickets

Qatar Airways

Oct 6

PHL5:50 pmPhiladelphia

38h 05m

3 stops

SAI6:55 pmSiem Reap–Angkor Intl

Oct 23

SAI12:55 pmSiem Reap–Angkor Intl

31h 05m

2 stops

PHL9:00 amPhiladelphia

$1,729

Qatar Airways

May 29

PHL3:47 pmPhiladelphia

40h 18m

3 stops

SAI7:05 pmSiem Reap–Angkor Intl

Jun 3

SAI7:45 pmSiem Reap–Angkor Intl

40h 12m

3 stops

PHL12:57 amPhiladelphia

$2,738

Qatar Airways

May 29

PHL3:47 pmPhiladelphia

40h 18m

3 stops

SAI7:05 pmSiem Reap–Angkor Intl

Jun 3

SAI7:45 pmSiem Reap–Angkor Intl

40h 12m

3 stops

PHL12:57 amPhiladelphia

$2,741

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

mar. 10/6

8:30 pm-6:55 pm

2 stops35h 25m

Siem Reap–Angkor Intl

vie. 10/23

9:45 pm-9:00 am

2 stops46h 15m

$1,431

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

mar. 10/6

5:50 pm-6:55 pm

3 stops38h 05m

Siem Reap–Angkor Intl

vie. 10/23

12:55 pm-9:00 am

2 stops31h 05m

$1,729

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

mar. 10/6

10:45 am-9:00 am

3 stops35h 15m

Siem Reap–Angkor Intl

vie. 10/23

12:55 pm-5:59 pm

3 stops40h 04m

$1,742

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

mar. 5/26

6:00 am-9:30 pm

3 stops52h 30m

Siem Reap–Angkor Intl

mar. 6/2

11:50 pm-10:43 pm

3 stops57h 53m

$1,824

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

mar. 5/26

6:00 am-9:40 am

2 stops40h 40m

Siem Reap–Angkor Intl

mar. 6/2

9:45 am-12:25 pm

2 stops37h 40m

$2,544

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

vie. 5/29

10:10 pm-7:05 pm

2 stops33h 55m

Siem Reap–Angkor Intl

mié. 6/3

1:05 pm-12:10 pm

2 stops34h 05m

$2,636

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

vie. 5/29

3:47 pm-7:05 pm

3 stops40h 18m

Siem Reap–Angkor Intl

mié. 6/3

7:45 pm-12:57 am

3 stops40h 12m

$2,738

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

vie. 5/29

3:47 pm-7:05 pm

3 stops40h 18m

Siem Reap–Angkor Intl

mié. 6/3

7:45 pm-12:57 am

3 stops40h 12m

$2,741

Quickest round-trip

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

vie. 5/29

10:10 pm-7:05 pm

2 stops33h 55m

Siem Reap–Angkor Intl

mié. 6/3

7:45 pm-12:10 pm

2 stops27h 25m

$2,970

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

mar. 5/26

6:00 am-9:30 pm

3 stops52h 30m

Siem Reap–Angkor Intl

mar. 6/2

10:30 am-4:05 pm

2 stops40h 35m

$3,247

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Philadelphia to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Siem Reap (PHL to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Siem Reap

Fastest flight time	35h 25m
Direct flights	None

The fastest flight from Philadelphia to Siem Reap takes 35h 25m

There are no direct flights from Philadelphia to Siem Reap. There are no popular flight routes from Philadelphia to Siem Reap.

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Frequently asked questions about flying from Philadelphia to Siem Reap

How far is Philadelphia to Siem Reap–Angkor Intl by plane?
The straight-line distance from Philadelphia to Siem Reap–Angkor Intl is 8746.6 mi. 35h 25m is a normal flight duration for this route.
When did momondo last update prices for flights from Philadelphia Airport to Siem Reap–Angkor Intl Airport?
Prices for flights from Philadelphia Airport to Siem Reap–Angkor Intl Airport refresh daily.
How old do you have to be to fly from Philadelphia Airport to Siem Reap–Angkor Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Siem Reap–Angkor Intl Airport.
What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?
The travel and health documents required for your trip to Siem Reap–Angkor Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Siem Reap–Angkor Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Philadelphia to Siem Reap

How do I get Price Alerts for flights from Philadelphia to Siem Reap?
Search flight deals from Philadelphia to Siem Reap. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Philadelphia to Siem Reap with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Siem Reap?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to Siem Reap. momondo saves you time and could save you money on your trip.

Can I find flights from Philadelphia to Siem Reap with flexible booking policies on momondo?

All flight searches from Philadelphia to Siem Reap on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Philadelphia to Siem Reap?

Once all potential Philadelphia to Siem Reap flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Philadelphia to Siem Reap right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Siem Reap from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Philadelphia to Siem Reap from $1,431

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Siem Reap departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Our best Qatar Airways deals on Philadelphia to Siem Reap flight tickets

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When to book flights from Philadelphia to Siem Reap

Cheap Philadelphia to Siem Reap (PHL to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Siem Reap

Fastest flight time

Direct flights

Frequently asked questions about flying from Philadelphia to Siem Reap

Frequently asked questions about flying from Philadelphia to Siem Reap

Why use momondo?

An easier way to manage your Siem Reap trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Cambodia

Cabin classes currently available on flights to Siem Reap

List of cabin classes available on flights landing in Siem Reap. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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