Cheap Flights from Phnom Penh (PNH) to Washington (DCA)

Popular airlines from Phnom Penh Intl. Airport (PNH) to Ronald Reagan Washington National Airport (DCA)

Flights from Phnom Penh (PNH) to Washington (DCA)
Origin airport
Phnom Penh Intl.
Destination airport
Ronald Reagan Washington National
Distance
8951 mi

Phnom Penh to Washington Flights

The cheapest times to fly from Phnom Penh to Washington

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 Phnom Penh to Washington are during the month of . You can find some of the cheapest flights from Phnom Penh to Washington with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Phnom Penh to Washington: 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 Phnom Penh to Washington

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 Phnom Penh to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Phnom Penh to Washington 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 Phnom Penh to Washington 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 Phnom Penh Intl. Airport (PNH) to Ronald Reagan Washington National Airport (DCA) cost?
Get a cheap one-way flight or cheap return flight from Phnom Penh Intl. Airport (PNH) to Ronald Reagan Washington National Airport (DCA) 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 Phnom Penh Intl. Airport (PNH) to Ronald Reagan Washington National Airport (DCA)?
Planning your trip for is a good way to save, as it's the cheapest month for flights between PNH and DCA. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Phnom Penh Intl. Airport (PNH) to Ronald Reagan Washington National Airport (DCA)?
To find the cheapest airline that'll fly you from PNH to DCA, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Phnom Penh Intl. Airport (PNH) to Ronald Reagan Washington National Airport (DCA)?
Nonstop flights from Phnom Penh Intl. Airport (PNH) to Ronald Reagan Washington National Airport (DCA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PNH to DCA?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Phnom Penh Intl. Airport (PNH) to Ronald Reagan Washington National Airport (DCA)?
To avoid possible delays on the Phnom Penh Intl. Airport (PNH) to Ronald Reagan Washington National Airport (DCA) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Phnom Penh Intl. Airport (PNH) to Ronald Reagan Washington National Airport (DCA) last-minute?
Waiting until right before your break to book a flight from PNH to DCA generally means paying more. While it's possible to find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans to maximize your chances of scoring a bargain.
Is it cheaper to book a PNH to DCA flight and hotel package?
Compared with arranging flights and hotels separately, booking a PNH to DCA flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the hassle out of travel planning. Just pick your flights and select from our wide range of stays, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Phnom Penh Intl. Airport (PNH) to Ronald Reagan Washington National Airport (DCA)?
Typically, you can cancel or reschedule your PNH to DCA flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need more details, visit our Customer Service portal.

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*Available to One Key members.