$811 Cheap Flights from Des Moines (DSM) to Phnom Penh (PNH)

View $811 flight on Mon, Mar 16, 2026Opens in a new window

Popular airlines from Des Moines International Airport (DSM) to Phnom Penh Intl. Airport (PNH)

Cheap Flights from Des Moines to Phnom Penh (DSM-PNH)

Prices were available within the past 7 days and start at $811 for one-way flights and $1,393 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Oct 8 - Wed, Oct 29
DSM
Des Moines
PNH
Phnom Penh
$1,393 Roundtrip, found 1 day ago
$1,393
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 8 from Des Moines to Phnom Penh, returning Wed, Oct 29, priced at $1,393 found 1 day ago
American Airlines
Wed, Oct 8 - Wed, Oct 29
DSM
Des Moines
PNH
Phnom Penh
$1,404 Roundtrip, found 1 day ago
$1,404
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 8 from Des Moines to Phnom Penh, returning Wed, Oct 29, priced at $1,404 found 1 day ago
American Airlines
Wed, Oct 8 - Wed, Oct 29
DSM
Des Moines
PNH
Phnom Penh
$1,409 Roundtrip, found 1 day ago
$1,409
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 8 from Des Moines to Phnom Penh, returning Wed, Oct 29, priced at $1,409 found 1 day ago
American Airlines
Tue, Oct 7 - Sat, Nov 1
DSM
Des Moines
PNH
Phnom Penh
$1,460 Roundtrip, found 1 day ago
$1,460
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 7 from Des Moines to Phnom Penh, returning Sat, Nov 1, priced at $1,460 found 1 day ago
Delta
Mon, Dec 1 - Tue, Dec 30
DSM
Des Moines
PNH
Phnom Penh
$1,474 Roundtrip, found 2 days ago
$1,474
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Dec 1 from Des Moines to Phnom Penh, returning Tue, Dec 30, priced at $1,474 found 2 days ago
American Airlines
Thu, Oct 9 - Mon, Oct 27
DSM
Des Moines
PNH
Phnom Penh
$1,476 Roundtrip, found 1 day ago
$1,476
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 9 from Des Moines to Phnom Penh, returning Mon, Oct 27, priced at $1,476 found 1 day ago
American Airlines
Thu, Oct 9 - Fri, Oct 31
DSM
Des Moines
PNH
Phnom Penh
$1,487 Roundtrip, found 1 day ago
$1,487
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 9 from Des Moines to Phnom Penh, returning Fri, Oct 31, priced at $1,487 found 1 day ago
Qatar Airways
Mon, Oct 6 - Fri, Oct 31
DSM
Des Moines
PNH
Phnom Penh
$1,498 Roundtrip, found 1 day ago
$1,498
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Mon, Oct 6 from Des Moines to Phnom Penh, returning Fri, Oct 31, priced at $1,498 found 1 day ago
United
Wed, Oct 8 - Wed, Oct 29
DSM
Des Moines
PNH
Phnom Penh
$1,506 Roundtrip, found 1 day ago
$1,506
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 8 from Des Moines to Phnom Penh, returning Wed, Oct 29, priced at $1,506 found 1 day ago
Korean Air
Fri, Jul 18 - Tue, Jul 22
DSM
Des Moines
PNH
Phnom Penh
$2,280 Roundtrip, found 9 hours ago
$2,280
Roundtrip
found 9 hours ago
Select Korean Air flight, departing Fri, Jul 18 from Des Moines to Phnom Penh, returning Tue, Jul 22, priced at $2,280 found 9 hours ago
Flights from Des Moines (DSM) to Phnom Penh (PNH)
Origin airport
Des Moines Intl.
Destination airport
Phnom Penh Intl.
Airlines serving
Delta, Korean Air, Qatar Airways, United
Roundtrip price
$1,393
Distance
8584 mi

Des Moines to Phnom Penh Flights

The cheapest times to fly from Des Moines 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 Des Moines to Phnom Penh are during the month of October. You can find some of the cheapest flights from Des Moines to Phnom Penh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Des Moines to Phnom Penh

Sunday is one of the best days to book for cheap flights from Des Moines 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 Des Moines 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 Des Moines to Phnom Penh in 2025. You can also book with separate airlines for your outbound and return journeys, from $811 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 Des Moines 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 Des Moines 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 Des Moines Intl. Airport (DSM) to Phnom Penh Intl. Airport (PNH) cost?
Discover the latest flight deals from DSM to PNH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DSM to PNH?
The cheapest flights from DSM to PNH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DSM to PNH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DSM to PNH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Des Moines Intl. Airport (DSM) to Phnom Penh Intl. Airport (PNH)?
You'll have to catch a flight with a layover when traveling from Des Moines Intl. Airport (DSM) to Phnom Penh Intl. Airport (PNH). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from DSM to PNH?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, carrier 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 Des Moines Intl. Airport (DSM) to Phnom Penh Intl. Airport (PNH)?
To reach Phnom Penh Intl. Airport (PNH) without delays, pick a flight that leaves from Des Moines Intl. Airport (DSM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Des Moines Intl. Airport (DSM) to Phnom Penh Intl. Airport (PNH) last-minute?
Booking your flight from DSM to PNH just before your trip is typically more expensive. But if you're flexible with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a DSM to PNH flight and hotel package?
Booking a DSM to PNH flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our wide range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Des Moines Intl. Airport (DSM) to Phnom Penh Intl. Airport (PNH)?
Typically, it's possible to reschedule or cancel your DSM to PNH flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.