In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What is the cheapest day to fly round-trip from Phnom Penh to Philadelphia?

Monday is generally a great day to depart. Flying on this day could help you save up to 17%.

What is the cheapest time of day to fly from PNH to PHL?

When flying from Phnom Penh to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 35% versus a flight in the afternoon.

Can I find deals for flights from Phnom Penh to Philadelphia that include hotel bookings?

Yes. In addition to deals on Phnom Penh to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Phnom Penh to Philadelphia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to Philadelphia.

Can I find deals for business class flights from Phnom Penh to Philadelphia?

Yes. Cheapflights offers flight deals from Phnom Penh to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$788+ Cheap Flights from Phnom Penh to Philadelphia

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Cheap flight deals from Phnom Penh to Philadelphia

Round-trip from	$1,356 (oojo)
One-way from	$788 (oojo)

From Phnom Penh Pochentong to Philadelphia

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One-way flight from Phnom Penh Pochentong to Philadelphia

Search Deals

Find flight deals from Phnom Penh to Philadelphia

Cheapest flights from Phnom Penh to Philadelphia
Explore the most affordable flight options available from Phnom Penh to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

Thu 11/612:45 pmPNH - PHL

2 stops28h 57mEVA Air

Thu 11/137:02 amPHL - PNH

2 stops40h 23mEVA Air

Deal found 8/16

$1,356

Thu 12/412:45 pmPNH - PHL

2 stops29h 16mEVA Air

Wed 12/177:25 amPHL - PNH

2 stops40h 00mEVA Air

Deal found 8/15

$1,810

Thu 11/68:00 amPNH - PHL

3 stops35h 25mChina Southern

Thu 11/134:05 pmPHL - PNH

3 stops34h 30mChina Southern

Deal found 8/17

$2,391

Wed 12/312:25 amPNH - PHL

2 stops43h 08mMultiple Airlines

Wed 12/179:00 pmPHL - PNH

2 stops62h 10mMultiple Airlines

Deal found 8/15

$3,175

Thu 12/411:55 amPNH - PHL

3 stops31h 45mChina Southern

Wed 12/174:00 pmPHL - PNH

2 stops34h 35mChina Southern

Deal found 8/15

$3,560

Thu 11/611:55 pmPNH - PHL

2 stops41h 19mUnited Airlines

Thu 11/138:15 amPHL - PNH

3 stops50h 40mUnited Airlines

Deal found 8/17

$4,008

Best flights from Phnom Penh to Philadelphia
Discover carefully curated flight deals from Phnom Penh to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2025.

Thu 11/612:45 pmPNH - PHL

2 stops28h 57mEVA Air

Thu 11/137:02 amPHL - PNH

2 stops40h 23mEVA Air

Deal found 8/15

$1,356

Thu 11/68:00 amPNH - PHL

3 stops35h 25mChina Southern

Thu 11/134:05 pmPHL - PNH

3 stops34h 30mChina Southern

Deal found 8/17

$2,391

Wed 12/312:25 amPNH - PHL

2 stops43h 08mMultiple Airlines

Wed 12/179:00 pmPHL - PNH

2 stops62h 10mMultiple Airlines

Deal found 8/15

$3,175

Thu 12/412:45 pmPNH - PHL

2 stops29h 16mEVA Air

Wed 12/177:25 amPHL - PNH

2 stops40h 00mEVA Air

Deal found 8/15

$1,810

Thu 11/611:55 pmPNH - PHL

2 stops29h 15mUnited Airlines

Thu 11/138:15 amPHL - PNH

3 stops50h 40mUnited Airlines

Deal found 8/15

$4,008

Thu 12/411:55 amPNH - PHL

3 stops31h 45mChina Southern

Wed 12/174:00 pmPHL - PNH

2 stops34h 35mChina Southern

Deal found 8/15

$3,560

One-way flights from Phnom Penh to Philadelphia
Search for one-way flight options from Phnom Penh to Philadelphia. Find affordable one-way fares based on user searches. Data last updated August 17, 2025.

Thu 9/184:40 pmPNH - PHL

2 stops51h 25mMultiple Airlines

Deal found 8/15

$788

Fri 8/297:10 pmPNH - PHL

3 stops46h 51mMultiple Airlines

Deal found 8/15

$828

Mon 2/912:45 pmPNH - PHL

2 stops40h 46mMultiple Airlines

Deal found 8/17

$846

Fri 8/2212:35 pmPNH - PHL

3 stops43h 14mMultiple Airlines

Deal found 8/16

$970

Mon 2/98:00 amPNH - PHL

3 stops35h 40mChina Southern

Deal found 8/15

$1,167

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phnom Penh to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhPhiladelphia

PNH - PHL

PNHPHL

Phnom Penh Pochentong

Thu 11/6

12:45 pm-5:42 am

2 stops28h 57m

Philadelphia

Thu 11/13

7:02 am-11:25 am

2 stops40h 23m

$1,356

Phnom PenhPhiladelphia

PNH - PHL

PNHPHL

Phnom Penh Pochentong

Thu 12/4

12:45 pm-6:01 am

2 stops29h 16m

Philadelphia

Wed 12/17

7:25 am-11:25 am

2 stops40h 00m

$1,810

Phnom PenhPhiladelphia

PNH - PHL

PNHPHL

Phnom Penh Pochentong

Thu 11/6

8:00 am-7:25 am

3 stops35h 25m

Philadelphia

Thu 11/13

4:05 pm-2:35 pm

3 stops34h 30m

$2,391

Phnom PenhPhiladelphia

PNH - PHL

PNHPHL

Phnom Penh Pochentong

Wed 12/3

12:25 am-7:33 am

2 stops43h 08m

Philadelphia

Wed 12/17

9:00 pm-11:10 pm

2 stops62h 10m

$3,175

Phnom PenhPhiladelphia

PNH - PHL

PNHPHL

Phnom Penh Pochentong

Thu 12/4

11:55 am-7:40 am

3 stops31h 45m

Philadelphia

Wed 12/17

4:00 pm-2:35 pm

2 stops34h 35m

$3,560

Phnom PenhPhiladelphia

PNH - PHL

PNHPHL

Phnom Penh Pochentong

Thu 11/6

11:55 pm-5:10 pm

2 stops29h 15m

Philadelphia

Thu 11/13

8:15 am-10:55 pm

3 stops50h 40m

$4,008

Phnom PenhPhiladelphia

PNH - PHL

PNHPHL

Phnom Penh Pochentong

Thu 9/18

4:40 pm-9:05 am

2 stops51h 25m

$788

Phnom PenhPhiladelphia

PNH - PHL

PNHPHL

Phnom Penh Pochentong

Fri 8/29

7:10 pm-7:01 am

3 stops46h 51m

$828

Phnom PenhPhiladelphia

PNH - PHL

PNHPHL

Phnom Penh Pochentong

Mon 2/9

12:45 pm-5:31 pm

2 stops40h 46m

$846

Phnom PenhPhiladelphia

PNH - PHL

PNHPHL

Phnom Penh Pochentong

Fri 8/22

12:35 pm-8:49 pm

3 stops43h 14m

$970

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Showing 1-10 of 11 results

Best time to book a flight from Phnom Penh to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Phnom Penh 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.

Cheapflights Insights

Everything you need to know about your flight from Phnom Penh to Philadelphia

What is the cheapest month to book a flight from Phnom Penh to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Phnom Penh to Philadelphia (average of $236). Flying from Phnom Penh to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Can I find deals for flights from Phnom Penh to Philadelphia that include hotel bookings?
Yes. In addition to deals on Phnom Penh to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Phnom Penh to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to Philadelphia.
Can I find deals for business class flights from Phnom Penh to Philadelphia?
Yes. Cheapflights offers flight deals from Phnom Penh to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Phnom Penh to Philadelphia?
Currently, August is the cheapest month in which you can book a flight from Phnom Penh to Philadelphia (average of $236). Flying from Phnom Penh to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$788+ Cheap flights from Phnom Penh (PNH) to Philadelphia (PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Phnom Penh to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Phnom Penh to Philadelphia

Round-trip from

One-way from

Find flight deals from Phnom Penh to Philadelphia

Cheapest flights from Phnom Penh to PhiladelphiaExplore the most affordable flight options available from Phnom Penh to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

Explore the most affordable flight options available from Phnom Penh to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phnom Penh to Philadelphia that are best for you.

Best time to book a flight from Phnom Penh to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Phnom Penh with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Phnom Penh to Philadelphia

What is the cheapest month to book a flight from Phnom Penh to Philadelphia?

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Phnom Penh to Philadelphia that include hotel bookings?

How can I find direct flights from Phnom Penh to Philadelphia?

Can I find deals for business class flights from Phnom Penh to Philadelphia?

What is the cheapest month to book a flight from Phnom Penh to Philadelphia?

Traveling to a place near Philadelphia?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Phnom Penh to Philadelphia

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Cheapest flights from Phnom Penh to Philadelphia
Explore the most affordable flight options available from Phnom Penh to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.