$597 Cheap Flights from Raleigh (RDU) to Phnom Penh (PNH)

View $597 flight on Thu, Sep 11, 2025Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Phnom Penh Intl. Airport (PNH)

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Cheap Flights from Raleigh to Phnom Penh (RDU-PNH)

Prices were available within the past 7 days and start at $597 for one-way flights and $985 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Sat, Aug 16 - Mon, Sep 8
RDU
Raleigh
PNH
Phnom Penh
$985 Roundtrip, found 5 days ago
$985
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Sat, Aug 16 from Raleigh to Phnom Penh, returning Mon, Sep 8, priced at $985 found 5 days ago
Cathay Pacific
Mon, Aug 18 - Sun, Sep 7
RDU
Raleigh
PNH
Phnom Penh
$1,021 Roundtrip, found 5 days ago
$1,021
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Mon, Aug 18 from Raleigh to Phnom Penh, returning Sun, Sep 7, priced at $1,021 found 5 days ago
Cathay Pacific
Wed, Aug 20 - Sun, Sep 7
RDU
Raleigh
PNH
Phnom Penh
$1,036 Roundtrip, found 5 days ago
$1,036
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Wed, Aug 20 from Raleigh to Phnom Penh, returning Sun, Sep 7, priced at $1,036 found 5 days ago
Cathay Pacific
Mon, Aug 18 - Mon, Sep 8
RDU
Raleigh
PNH
Phnom Penh
$1,050 Roundtrip, found 5 days ago
$1,050
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Mon, Aug 18 from Raleigh to Phnom Penh, returning Mon, Sep 8, priced at $1,050 found 5 days ago
Cathay Pacific
Mon, Aug 18 - Mon, Sep 8
RDU
Raleigh
PNH
Phnom Penh
$1,066 Roundtrip, found 5 days ago
$1,066
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Mon, Aug 18 from Raleigh to Phnom Penh, returning Mon, Sep 8, priced at $1,066 found 5 days ago
Cathay Pacific
Mon, Aug 25 - Tue, Sep 2
RDU
Raleigh
PNH
Phnom Penh
$1,070 Roundtrip, found 2 days ago
$1,070
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Mon, Aug 25 from Raleigh to Phnom Penh, returning Tue, Sep 2, priced at $1,070 found 2 days ago
American Airlines
Sun, Aug 17 - Sun, Sep 7
RDU
Raleigh
PNH
Phnom Penh
$1,152 Roundtrip, found 5 days ago
$1,152
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Aug 17 from Raleigh to Phnom Penh, returning Sun, Sep 7, priced at $1,152 found 5 days ago
China Eastern Airlines
Tue, Oct 21 - Thu, Nov 6
RDU
Raleigh
PNH
Phnom Penh
$1,253 Roundtrip, found 5 days ago
$1,253
Roundtrip
found 5 days ago
Select China Eastern Airlines flight, departing Tue, Oct 21 from Raleigh to Phnom Penh, returning Thu, Nov 6, priced at $1,253 found 5 days ago
JetBlue Airways
Mon, Sep 22 - Mon, Sep 29
RDU
Raleigh
PNH
Phnom Penh
$1,265 Roundtrip, found 3 days ago
$1,265
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Mon, Sep 22 from Raleigh to Phnom Penh, returning Mon, Sep 29, priced at $1,265 found 3 days ago
Delta
Mon, Dec 1 - Wed, Dec 10
RDU
Raleigh
PNH
Phnom Penh
$1,286 Roundtrip, found 1 hour ago
$1,286
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Dec 1 from Raleigh to Phnom Penh, returning Wed, Dec 10, priced at $1,286 found 1 hour ago

Alternative airports near Phnom Penh

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Phnom Penh Intl. PNH. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $1,483
PNH
Phnom Penh Intl.
CheapestClosest
Average driving time to city center14 min
Flights from $1,483
Flights from Raleigh (RDU) to Phnom Penh (PNH)
Origin airport
Raleigh - Durham Intl.
Destination airport
Phnom Penh Intl.
Airlines serving
British Airways, Korean Air, Singapore Airlines
Roundtrip price
$984
Distance
9150 mi

Raleigh to Phnom Penh Flights

The cheapest times to fly from Raleigh to Phnom Penh

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Raleigh to Phnom Penh are during the month of August. You can find some of the cheapest flights from Raleigh to Phnom Penh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Raleigh to Phnom Penh

Sunday is one of the best days to book for cheap flights from Raleigh to Phnom Penh: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Raleigh to Phnom Penh

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Raleigh to Phnom Penh in 2025. You can also book with separate airlines for your outbound and return journeys, from $597 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Raleigh to Phnom Penh flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Raleigh to Phnom Penh airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to Phnom Penh Intl. Airport (PNH) cost?
Secure a cheap one-way flight from $597 or cheap return flight from $985 from Raleigh - Durham Intl. Airport (RDU) to Phnom Penh Intl. Airport (PNH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to Phnom Penh Intl. Airport (PNH)?
Traveling in August is a good way to save, as it's the cheapest month for flights between RDU and PNH. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Phnom Penh Intl. Airport (PNH)?
To find the cheapest airline that'll fly you from RDU to PNH, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Phnom Penh Intl. Airport (PNH)?
There are no daily direct flights from Raleigh - Durham Intl. Airport (RDU) to Phnom Penh Intl. Airport (PNH). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from RDU to PNH?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Phnom Penh Intl. Airport (PNH)?
Choose a flight from Raleigh - Durham Intl. Airport (RDU) to Phnom Penh Intl. Airport (PNH) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to Phnom Penh Intl. Airport (PNH) last-minute?
Holding off until right before your break to book a ticket from RDU to PNH generally means paying more. While you may find some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book a RDU to PNH flight and hotel package?
Securing a RDU to PNH flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Phnom Penh Intl. Airport (PNH)?
If you booked your RDU to PNH flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

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*Available to One Key members.