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Phnom Penh

$348+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PNH
abr. 16 — abr. 231
mié. 4/16
mié. 4/23
1 adult, Economy
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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 abril 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$742
(FlightHub)

One-way from

$348
(oojo)

Popular in

December

Cheapest in

February

Average price

$1,222
Provider with most accurate pricing for New York (NYC)-Phnom Penh Pochentong flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Phnom Penh Pochentong flights.
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From USA to Phnom Penh Pochentong
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One-way flight from USA to Phnom Penh Pochentong
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Highest demand for flights based on searches. 12% potential increase in price ($189 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($63 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 abril 11, 2025.

This FlightHub deal was found by Cheapflights users on 4/11. 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.
dom. 5/1112:10 pmLAX - PNH
1 stop20h 45mAsiana Airlines
dom. 5/2511:55 pmPNH - LAX
1 stop30h 05mAsiana Airlines
Deal found 4/11$742
This oojo deal was found by Cheapflights users on 4/10. 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. 4/1712:25 pmLAX - PNH
1 stop31h 50mCathay Pacific
vie. 5/166:30 pmPNH - LAX
1 stop17h 35mCathay Pacific
Deal found 4/10$750
This Gurufare deal was found by Cheapflights users on 4/10. 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.
jue. 10/301:45 pmLAX - PNH
2 stops28h 50mSingapore Airlines
dom. 11/99:35 amPNH - LAX
1 stop23h 25mSingapore Airlines
Deal found 4/10$751
This StudentUniverse deal was found by Cheapflights users on 4/10. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/712:20 amSFO - PNH
1 stop19h 55mCathay Pacific
lun. 5/1911:25 amPNH - SFO
1 stop20h 05mCathay Pacific
Deal found 4/10$768
This oojo deal was found by Cheapflights users on 4/10. 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. 11/2711:40 amSFO - PNH
1 stop19h 45mKorean Air
sáb. 2/2111:45 pmPNH - SFO
1 stop24h 45mKorean Air
Deal found 4/10$771
This United deal was found by Cheapflights users on 4/10. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/2310:25 amSFO - PNH
1 stop32h 15mMultiple Airlines
jue. 5/12:05 pmPNH - SFO
1 stop33h 00mMultiple Airlines
Deal found 4/10$778
This StudentUniverse deal was found by Cheapflights users on 4/10. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/188:30 amLAX - PNH
2 stops23h 40mKorean Air
lun. 9/1511:30 pmPNH - LAX
1 stop24h 10mKorean Air
Deal found 4/10$788
This Ovago deal was found by Cheapflights users on 4/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/209:10 pmSFO - PNH
1 stop28h 30mVietnam Airlines
mié. 11/261:50 pmPNH - SFO
1 stop18h 10mVietnam Airlines
Deal found 4/10$789
This oojo deal was found by Cheapflights users on 4/10. 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.
mié. 9/311:35 pmSEA - PNH
1 stop34h 40mPhilippine Airlines
mar. 9/91:15 amPNH - SEA
1 stop32h 00mPhilippine Airlines
Deal found 4/10$807
This oojo deal was found by Cheapflights users on 4/9. 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.
mié. 10/2212:50 pmLAX - PNH
1 stop21h 25mPhilippine Airlines
sáb. 11/221:15 amPNH - LAX
1 stop23h 45mPhilippine Airlines
Deal found 4/9$807
This Gurufare deal was found by Cheapflights users on 4/10. 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.
vie. 11/289:40 amSFO - PNH
1 stop41h 55mSingapore Airlines
mié. 2/252:50 pmPNH - SFO
1 stop32h 00mSingapore Airlines
Deal found 4/10$812
This oojo deal was found by Cheapflights users on 4/10. 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.
lun. 4/2812:50 pmSEA - PNH
1 stop19h 20mKorean Air
vie. 5/911:30 pmPNH - SEA
1 stop25h 10mKorean Air
Deal found 4/10$817

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 abril 11, 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

dom. 5/11

12:10 pm-10:55 pm

1 stop20h 45m

Phnom Penh Pochentong

dom. 5/25

11:55 pm-4:00 pm

1 stop30h 05m

$742

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

jue. 5/1

12:25 pm-5:20 pm

1 stop38h 55m

Phnom Penh Pochentong

mié. 6/4

6:30 pm-10:35 pm

1 stop18h 05m

$760

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

mié. 5/7

12:20 am-10:15 am

1 stop19h 55m

Phnom Penh Pochentong

lun. 5/19

11:25 am-5:30 pm

1 stop20h 05m

$768

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

mié. 4/23

10:25 am-8:40 am

1 stop32h 15m

Phnom Penh Pochentong

jue. 5/1

2:05 pm-9:05 am

1 stop33h 00m

$778

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

vie. 10/3

8:40 pm-8:40 am

1 stop22h 00m

Phnom Penh Pochentong

jue. 10/30

7:45 pm-7:00 pm

1 stop37h 15m

$786

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

lun. 8/18

8:30 am-10:10 pm

2 stops23h 40m

Phnom Penh Pochentong

lun. 9/15

11:30 pm-9:40 am

1 stop24h 10m

$788

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

mié. 4/23

1:45 pm-10:10 pm

2 stops42h 25m

Phnom Penh Pochentong

mar. 5/13

11:30 pm-10:40 am

1 stop25h 10m

$793

SeattlePhnom Penh

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

mié. 9/3

11:35 pm-12:15 am

1 stop34h 40m

Phnom Penh Pochentong

mar. 9/9

1:15 am-7:15 pm

1 stop32h 00m

$807

SeattlePhnom Penh

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

lun. 4/28

12:50 pm-10:10 pm

1 stop19h 20m

Phnom Penh Pochentong

vie. 5/9

11:30 pm-10:40 am

1 stop25h 10m

$817

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

mar. 5/6

12:10 pm-10:55 pm

1 stop20h 45m

Phnom Penh Pochentong

lun. 6/9

8:15 am-4:00 pm

2 stops21h 45m

$823

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

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 $994). 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 abril 11, 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 abril 11, 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.
EVA Air
8.4
Very good
1,172 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,172 reviews
EVA Air
8.4
Very good
1,172 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,060 reviews
EVA Air
8.4
Very good
1,172 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Airlines
8.2
Very good
729 reviews
EVA Air
8.4
Very good
1,172 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Asiana Airlines
8.2
Very good
438 reviews
EVA Air
8.4
Very good
1,172 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Singapore Airlines
8.1
Very good
1,288 reviews
EVA Air
8.4
Very good
1,172 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 Cathay Pacific, which is currently one of the cheapest options available, starting at $348. Singapore Airlines flights start at $356 while deals on Korean Air start at $423 one-way.

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

    The most popular route from USA to Phnom Penh is Los Angeles - Phnom Penh Pochentong. You may also consider Seattle/Tacoma Intl - Phnom Penh Pochentong or Boston Logan 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, March is the cheapest month in which you can book a flight from USA to Phnom Penh (average of $994). 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.
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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 abril 11, 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%
Asiana AirlinesCheapest$694Average$1,183FlexibilityNo cancel feeOn-time76%
Vietnam AirlinesCheapest$704Average$856FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$708Average$1,001FlexibilityNo cancel feeOn-time72%
Philippine AirlinesCheapest$720Average$810FlexibilityNo cancel feeOn-time60%
Singapore AirlinesCheapest$731Average$1,168FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$733Average$1,282FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$827Average$1,144FlexibilityNo cancel feeOn-time70%

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