Phnom Penh

$359+ Cheap flights from the United States to Phnom Penh (PNH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PNH
may. 6 — may. 131
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Cheap 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 mayo 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$746
(CrystalTravel)

One-way from

$359
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$1,237
Provider with most accurate pricing for New York (NYC)-Phnom Penh Pochentong flight deals.
Provider most trusted by Cheapflights users for New York (NYC)-Phnom Penh Pochentong flights.
From USA to Phnom Penh Pochentong
One-way flight from USA to Phnom Penh Pochentong
Highest demand for flights based on searches. 12% potential increase in price ($183 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($61 potential savings vs. average RT price).
Average for round-trip flights in May 2025

Find flight deals from USA to Phnom Penh

Cheapest flights from USA to Phnom Penh
Explore the most affordable flight options available from USA to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

This CrystalTravel deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/238:30 amLAX - PNH
2 stops23h 40mKorean Air
dom. 11/2311:45 pmPNH - LAX
1 stop23h 45mKorean Air
Deal found 4/30$746
This Gurufare deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1212:45 pmLAX - PNH
2 stops34h 05mSingapore Airlines
mié. 11/199:35 amPNH - LAX
1 stop25h 20mSingapore Airlines
Deal found 4/30$747
This KAYAK deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/3112:55 pmLAX - PNH
1 stop21h 20mPhilippine Airlines
sáb. 11/221:15 amPNH - LAX
1 stop33h 45mPhilippine Airlines
Deal found 4/30$749
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/812:10 pmLAX - PNH
1 stop20h 45mAsiana Airlines
dom. 5/1111:55 pmPNH - LAX
1 stop30h 05mAsiana Airlines
Deal found 4/30$756
This Gotogate deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/312:30 amLAX - PNH
1 stop19h 45mMultiple Airlines
sáb. 5/313:35 pmPNH - LAX
1 stop18h 05mMultiple Airlines
Deal found 4/30$760
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/1612:30 amLAX - PNH
1 stop19h 45mCathay Pacific
mié. 10/226:30 pmPNH - LAX
1 stop17h 35mCathay Pacific
Deal found 4/30$761
This KAYAK deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/1912:00 pmSFO - PNH
1 stop21h 15mChina Eastern
vie. 5/3012:10 amPNH - SFO
1 stop22h 55mChina Eastern
Deal found 4/30$770
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/712:30 pmLAX - PNH
1 stop20h 45mChina Eastern
jue. 6/512:40 pmPNH - LAX
2 stops35h 25mChina Eastern
Deal found 4/30$770
This Gurufare deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/2611:30 amSFO - PNH
1 stop35h 40mSingapore Airlines
vie. 9/266:55 pmPNH - SFO
1 stop28h 45mSingapore Airlines
Deal found 4/30$774
This Korean Air deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/1912:40 pmSFO - PNH
1 stop19h 30mKorean Air
dom. 6/111:30 pmPNH - SFO
1 stop25h 10mKorean Air
Deal found 4/30$777
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/71:05 amSFO - PNH
1 stop19h 10mCathay Pacific
lun. 12/811:45 amPNH - SFO
1 stop24h 30mCathay Pacific
Deal found 4/30$789
This Asiana Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/2411:30 pmSFO - PNH
1 stop32h 25mAsiana Airlines
dom. 2/2211:55 pmPNH - SFO
1 stop30h 05mAsiana Airlines
Deal found 4/30$807

Cheapflights Fare Finder

Customize your flight search to find flights from USA to Phnom Penh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated mayo 1, 2025.
Use the filters below to find and compare flights from the United States to Phnom Penh that are best for you.

Fly from

USA

Fly to

Phnom Penh

Route

Depart

Return

Price

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

jue. 10/23

8:30 am-10:10 pm

2 stops23h 40m

Phnom Penh Pochentong

dom. 11/23

11:45 pm-8:30 am

1 stop23h 45m

$746

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

lun. 9/15

12:50 pm-12:15 am

1 stop21h 25m

Phnom Penh Pochentong

jue. 10/23

1:15 am-8:45 pm

1 stop33h 30m

$749

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

mar. 9/16

12:30 am-10:15 am

1 stop19h 45m

Phnom Penh Pochentong

mié. 10/22

6:30 pm-10:05 pm

1 stop17h 35m

$761

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

dom. 8/10

11:00 pm-10:55 pm

1 stop33h 55m

Phnom Penh Pochentong

lun. 9/15

11:55 pm-9:50 am

1 stop23h 55m

$764

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

lun. 5/19

12:00 pm-11:15 pm

1 stop21h 15m

Phnom Penh Pochentong

vie. 5/30

12:10 am-9:05 am

1 stop22h 55m

$770

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

dom. 5/11

12:30 pm-11:15 pm

1 stop20h 45m

Phnom Penh Pochentong

sáb. 5/31

6:50 pm-10:05 am

2 stops29h 15m

$770

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

mié. 5/14

11:30 pm-10:55 pm

1 stop33h 25m

Phnom Penh Pochentong

dom. 6/1

11:55 pm-3:30 pm

1 stop29h 35m

$772

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

mar. 8/26

11:30 am-1:10 pm

1 stop35h 40m

Phnom Penh Pochentong

vie. 9/26

6:55 pm-9:40 am

1 stop28h 45m

$774

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

lun. 5/19

12:40 pm-10:10 pm

1 stop19h 30m

Phnom Penh Pochentong

dom. 6/1

11:30 pm-10:40 am

1 stop25h 10m

$777

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

dom. 9/14

8:40 pm-1:10 pm

1 stop26h 30m

Phnom Penh Pochentong

sáb. 11/1

2:50 pm-12:15 pm

2 stops35h 25m

$780

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 60 results
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Best time to book a flight from USA to Phnom Penh

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

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, March is the cheapest month in which you can book a flight from USA to Phnom Penh (average of $991). Flying from USA to Phnom Penh in June is currently the most expensive (average of $1,582). 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.

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

Find hourly flight availability from USA to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 1, 2025.

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.

Rainfall in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average rainfall totals by month.

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.

Temperature in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phnom Penh. Reviews last updated mayo 1, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and China Airlines from USA to Phnom Penh by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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?

    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 $359. Cathay Pacific flights start at $387 while deals on Asiana Airlines start at $401 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?

    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, March is the cheapest month in which you can book a flight from USA to Phnom Penh (average of $991). Flying from USA to Phnom Penh in June is currently the most expensive (average of $1,582). 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

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Alternative routes for USA to Phnom Penh

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

Top 10 airlines flying from USA to Phnom Penh

Discover the top 10 airlines that operate flights from USA to Phnom Penh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$563Average$1,337FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$644Average$712FlexibilityNo cancel feeOn-time67%
China EasternCheapest$656Average$836FlexibilityNo cancel feeOn-time62%
Philippine AirlinesCheapest$693Average$877FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$694Average$1,125FlexibilityNo cancel feeOn-time76%
Vietnam AirlinesCheapest$704Average$809FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$711Average$994FlexibilityNo cancel feeOn-time72%
Singapore AirlinesCheapest$730Average$1,155FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$733Average$1,253FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$825Average$1,097FlexibilityNo cancel feeOn-time70%

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