What are the cheapest airlines flying from Denver to Phnom Penh round-trip?

Singapore Airlines, at $1,090, was found to be the cheapest airline from Denver to Phnom Penh. An alternate airline flying to your destination would be Asiana Airlines.

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 9.8 inches per month. October is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 in.

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 77.0 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Phnom Penh as you normally would.

Most accurate provider : When it comes to deals on Denver-Phnom Penh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Phnom Penh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Phnom Penh flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Denver-Phnom Penh flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Phnom Penh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

Find Cheap Flights from Denver to Phnom Penh

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1. Tell us where you want to go

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Find flight deals from Denver to Phnom Penh

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

Provider with most accurate pricing for Denver Intl-Phnom Penh Pochentong flight deals.

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Provider most trusted by Cheapflights users for Denver Intl-Phnom Penh Pochentong flights.

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Compare providers for flights from Denver to Phnom Penh

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Phnom Penh in May.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust Score*2 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Denver-Phnom Penh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Phnom Penh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Phnom Penh flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Denver-Phnom Penh flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Phnom Penh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Phnom Penh

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

DEN-PNH

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.

Reviews of airlines servicing Phnom Penh

Read through reviews of airlines operating flights from Denver to Phnom Penh, such as Singapore Airlines and Asiana Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very good

1,518 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Singapore Airlines

8.2

Very good

1,518 reviews

Singapore Airlines

8.2

Very good

1,518 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Asiana Airlines

8.1

Very good

534 reviews

Singapore Airlines

8.2

Very good

1,518 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Related info for your journey

What are the cheapest airlines flying from Denver to Phnom Penh round-trip?
Singapore Airlines, at $1,090, was found to be the cheapest airline from Denver to Phnom Penh. An alternate airline flying to your destination would be Asiana Airlines.
Can I find deals for flights from Denver to Phnom Penh that include hotel bookings?
Yes. In addition to deals on Denver to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Denver to Phnom Penh?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Phnom Penh.
Can I find deals for business class flights from Denver to Phnom Penh?
Yes. Cheapflights offers flight deals from Denver to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 2 airlines flying from Denver to Phnom Penh

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$1,090	Average$1,139	FlexibilityNo cancel fee	On-time81%
Asiana Airlines	Cheapest$1,160	Average$1,395	FlexibilityNo cancel fee	On-time76%

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Find cheap flights from Denver to Phnom Penh with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Denver to Phnom Penh

Most accurate provider

Most trusted provider

Compare providers for flights from Denver to Phnom Penh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Phnom Penh in May.

Best time to book a flight from Denver to Phnom Penh

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

Reviews of airlines servicing Phnom Penh

Read through reviews of airlines operating flights from Denver to Phnom Penh, such as Singapore Airlines and Asiana Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines flying from Denver to Phnom Penh round-trip?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Phnom Penh by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Denver to Phnom Penh by cabin class

Find flights from Denver to Phnom Penh, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Denver and Phnom Penh flights

Browse other Denver and Phnom Penh flight options. Last updated on May 17, 2026.

Other flights from Denver

Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on May 17, 2026.

Other flights to Phnom Penh

Explore flights to Phnom Penh departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 17, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 2 airlines flying from Denver to Phnom Penh

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Book with Flexibility

Travel Smart

Cheap flights from Denver (DEN) to Phnom Penh (PNH)

Find cheap flights from Denver to Phnom Penh with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Denver to Phnom Penh

Most accurate provider

Most trusted provider

Compare providers for flights from Denver to Phnom Penh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Phnom Penh in May.

Best time to book a flight from Denver to Phnom Penh

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

Reviews of airlines servicing Phnom Penh

Read through reviews of airlines operating flights from Denver to Phnom Penh, such as Singapore Airlines and Asiana Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines flying from Denver to Phnom Penh round-trip?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Phnom Penh by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Denver to Phnom Penh by cabin class

Find flights from Denver to Phnom Penh, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Denver and Phnom Penh flights

Browse other Denver and Phnom Penh flight options. Last updated on May 17, 2026.

Other flights from Denver

Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on May 17, 2026.

Other flights to Phnom Penh

Explore flights to Phnom Penh departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 17, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 2 airlines flying from Denver to Phnom Penh

100% Free

Book with Flexibility

Travel Smart