What are the cheapest airlines to fly from USA to Phnom Penh one-way?

To fly one-way, consider booking your trip with Singapore Airlines, which is currently one of the cheapest options available, starting at $306. Cathay Pacific flights start at $348 while deals on Korean Air start at $358 one-way.

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 are the most popular routes from USA to Phnom Penh?

The most popular route from USA to Phnom Penh is Jacksonville - Phnom Penh Pochentong. You may also consider Orlando - Phnom Penh Pochentong or Nashville Intl - Phnom Penh Pochentong.

What are the most popular airlines that fly from USA to Phnom Penh?

Before booking your flight from USA to Phnom Penh check out the most popular airlines for this route: EVA Air, Korean Air or China Airlines.

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

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

What airport do you fly into for flights to Phnom Penh from United States?

For a flight from United States to Phnom Penh, you will be flying into Pochentong. Phnom Penh Pochentong (PNH) is just 5.0 mi from the center of the city.

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

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

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

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

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

Yes. Cheapflights offers flight deals from USA 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 the United States to Phnom Penh

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from USA to Phnom Penh with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from USA to Phnom Penh

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	December
Cheapest in	May
Average price	$1,363

Provider with most accurate pricing for New York (NYC)-Phnom Penh Pochentong flight deals.

Search Deals

Provider most trusted by Cheapflights users for New York (NYC)-Phnom Penh Pochentong flights.

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($85 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2026

Search Deals

Cheapflights Insights

Everything you need to know about your flight from the United States to Phnom Penh

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

Currently, November is the cheapest month in which you can book a flight from USA to Phnom Penh (average of $364). Flying from USA to Phnom Penh in December is currently the most expensive (average of $748). 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.

The best insider tips for theUnited States to Phnom Penh flights

Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Phnom Penh trip

Our travel experts

Duncan Madden

Expert on EVA Air

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Yulia Denisyuk

Expert on Korean Air and Cathay Pacific

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Robert Schrader

Expert on China Airlines

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Marisa Garcia

Expert on Asiana Airlines

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Gabriel Leigh

Expert on Singapore Airlines

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

See what other customers who have flown with EVA Air,Korean Air, andChina Airlines from the United States to Phnom Penh have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.5

Very good

1,399 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

EVA Air

8.5

Very good

1,399 reviews

EVA Air

8.5

Very good

1,399 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Mar 2026

TPE - SFO

Korean Air

8.4

Very good

1,203 reviews

EVA Air

8.5

Very good

1,399 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Mar 2026

TPE - SFO

China Airlines

8.3

Very good

815 reviews

EVA Air

8.5

Very good

1,399 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Mar 2026

TPE - SFO

Asiana Airlines

8.1

Very good

508 reviews

EVA Air

8.5

Very good

1,399 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Mar 2026

TPE - SFO

Cathay Pacific

7.6

Good

1,239 reviews

EVA Air

8.5

Very good

1,399 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Mar 2026

TPE - SFO

Related info for your journey

What airport do you fly into for flights to Phnom Penh from United States?
For a flight from United States to Phnom Penh, you will be flying into Pochentong. Phnom Penh Pochentong (PNH) is just 5.0 mi from the center of the city.
What are the cheapest airlines to fly from USA to Phnom Penh one-way?
To fly one-way, consider booking your trip with Singapore Airlines, which is currently one of the cheapest options available, starting at $306. Cathay Pacific flights start at $348 while deals on Korean Air start at $358 one-way.
What are the most popular routes from USA to Phnom Penh?
The most popular route from USA to Phnom Penh is Jacksonville - Phnom Penh Pochentong. You may also consider Orlando - Phnom Penh Pochentong or Nashville Intl - Phnom Penh Pochentong.
Can I find deals for flights from USA to Phnom Penh that include hotel bookings?
Yes. In addition to deals on USA to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from USA to Phnom Penh?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Phnom Penh.
Can I find deals for business class flights from USA to Phnom Penh?
Yes. Cheapflights offers flight deals from USA 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.
What is the cheapest month to book a flight from USA to Phnom Penh?
Currently, November is the cheapest month in which you can book a flight from USA to Phnom Penh (average of $364). Flying from USA to Phnom Penh in December is currently the most expensive (average of $748). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Phnom Penh flight routes

Popular flights

Top destinations

Top 10 airlines flying from USA to Phnom Penh

Airline	Cheapest	Average	Flexibility	On-time
Philippine Airlines	Cheapest$537	Average$787	FlexibilityNo cancel fee	On-time60%
China Southern	Cheapest$560	Average$580	FlexibilityNo cancel fee	On-time69%
Singapore Airlines	Cheapest$565	Average$971	FlexibilityNo cancel fee	On-time81%
China Eastern	Cheapest$674	Average$831	FlexibilityNo cancel fee	On-time62%
Cathay Pacific	Cheapest$686	Average$1,193	FlexibilityNo cancel fee	On-time72%
Asiana Airlines	Cheapest$702	Average$1,087	FlexibilityNo cancel fee	On-time76%
Vietnam Airlines	Cheapest$736	Average$762	FlexibilityNo cancel fee	On-time81%
Korean Air	Cheapest$738	Average$1,018	FlexibilityNo cancel fee	On-time81%
China Airlines	Cheapest$764	Average$1,317	FlexibilityNo cancel fee	On-time70%
EVA Air	Cheapest$817	Average$1,346	FlexibilityNo cancel fee	On-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from the United States to Phnom Penh (PNH)

Find cheap flights from USA 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 USA to Phnom Penh

Keep the following information in mind while searching for USA to Phnom Penh flight deals. Data was last updated April 1, 2026.

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

Everything you need to know about your flight from the United States to Phnom Penh

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

The best insider tips for theUnited States to Phnom Penh flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Phnom Penh trip

Our travel experts

Reviews of airlines servicing Phnom Penh

See what other customers who have flown with EVA Air,Korean Air, andChina Airlines from the United States to Phnom Penh have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from USA 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 airport do you fly into for flights to Phnom Penh from United States?

What are the cheapest airlines to fly from USA to Phnom Penh one-way?

What are the most popular routes from USA to Phnom Penh?

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

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

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

What is the cheapest month to book a flight from USA 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.

Alternative routes for USA to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.

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 USA to Phnom Penh by cabin class

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

USA and Phnom Penh flights

Browse other USA and Phnom Penh flight options. Last updated on April 1, 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 April 1, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

USA to Phnom Penh flights

Consider these flights traveling from USA to Phnom Penh.

Top 10 airlines flying from USA to Phnom Penh

100% Free

Book with Flexibility

Travel Smart