Phnom Penh

$366+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PNH
feb. 25 — mar. 41
We work with more than 300 partners to bring you better travel deals

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.

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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$723
(KAYAK)

One-way from

$366
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$1,113
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. 9% potential increase in price ($134 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
Average for round-trip flights in February 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 febrero 20, 2025.

This KAYAK deal was found by Cheapflights users on 2/19. 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.
mar. 3/1112:30 pmLAX - PNH
1 stop20h 45mChina Eastern
jue. 3/1312:15 amPNH - LAX
1 stop23h 50mChina Eastern
Deal found 2/19$723
This Gurufare deal was found by Cheapflights users on 2/20. 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.
lun. 9/111:30 amSFO - PNH
1 stop31h 10mSingapore Airlines
mar. 9/302:05 pmPNH - SFO
1 stop33h 35mSingapore Airlines
Deal found 2/20$725
This CheapOair deal was found by Cheapflights users on 2/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/171:00 pmSFO - PNH
1 stop20h 15mChina Eastern
dom. 3/2311:05 amPNH - SFO
3 stops36h 55mChina Eastern
Deal found 2/19$727
This oojo deal was found by Cheapflights users on 2/19. 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. 3/2411:00 pmLAX - PNH
1 stop34h 10mAir China
jue. 3/2712:25 amPNH - LAX
1 stop33h 35mAir China
Deal found 2/19$728
This oojo deal was found by Cheapflights users on 2/19. 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.
mar. 4/2211:55 pmSFO - PNH
1 stop34h 20mPhilippine Airlines
jue. 5/221:15 amPNH - SFO
1 stop33h 45mPhilippine Airlines
Deal found 2/19$738
This oojo deal was found by Cheapflights users on 2/19. 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.
vie. 2/2811:00 amLAX - PNH
1 stop22h 15mPhilippine Airlines
sáb. 5/171:15 amPNH - LAX
1 stop33h 35mPhilippine Airlines
Deal found 2/19$738
This oojo deal was found by Cheapflights users on 2/20. 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. 2/2410:15 pmLAX - PNH
1 stop28h 30mCathay Pacific
mié. 3/2611:45 amPNH - LAX
1 stop16h 35mCathay Pacific
Deal found 2/20$752
This FlightHub deal was found by Cheapflights users on 2/20. 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. 3/411:30 pmSFO - PNH
1 stop32h 50mAsiana Airlines
lun. 3/1712:30 amPNH - SFO
1 stop28h 30mAsiana Airlines
Deal found 2/20$758
This oojo deal was found by Cheapflights users on 2/20. 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. 3/611:00 amSEA - PNH
1 stop20h 25mKorean Air
lun. 3/1711:45 pmPNH - SEA
1 stop24h 15mKorean Air
Deal found 2/20$758
This oojo deal was found by Cheapflights users on 2/19. 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. 4/1010:50 pmSFO - PNH
1 stop28h 05mVietnam Airlines
jue. 4/172:10 pmPNH - SFO
1 stop18h 30mVietnam Airlines
Deal found 2/19$770
This oojo deal was found by Cheapflights users on 2/19. 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. 8/38:40 pmLAX - PNH
1 stop22h 00mSingapore Airlines
mié. 9/176:55 pmPNH - LAX
2 stops31h 55mSingapore Airlines
Deal found 2/19$776
This oojo deal was found by Cheapflights users on 2/19. 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. 2/2610:55 pmSFO - PNH
1 stop20h 30mCathay Pacific
dom. 3/97:05 pmPNH - SFO
1 stop17h 10mCathay Pacific
Deal found 2/19$791

Find flights from USA to Phnom Penh within your budget

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 febrero 20, 2025.

Fly from

USA

Fly to

Phnom Penh

Route

Depart

Return

Price

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

mar. 3/11

12:30 pm-11:15 pm

1 stop20h 45m

Phnom Penh Pochentong

jue. 3/13

12:15 am-10:05 am

1 stop23h 50m

$723

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

lun. 3/17

1:00 pm-11:15 pm

1 stop20h 15m

Phnom Penh Pochentong

dom. 3/23

11:05 am-10:00 am

3 stops36h 55m

$727

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

lun. 3/24

11:00 pm-11:10 pm

1 stop34h 10m

Phnom Penh Pochentong

jue. 3/27

12:25 am-8:00 pm

1 stop33h 35m

$728

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

mar. 3/18

10:40 am-2:05 pm

1 stop37h 25m

Phnom Penh Pochentong

mar. 4/1

2:05 pm-9:40 am

1 stop33h 35m

$730

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

mar. 4/22

11:55 pm-12:15 am

1 stop34h 20m

Phnom Penh Pochentong

jue. 5/22

1:15 am-9:00 pm

1 stop33h 45m

$738

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

vie. 4/11

12:40 pm-12:15 am

1 stop21h 35m

Phnom Penh Pochentong

mar. 4/22

1:15 am-9:50 am

1 stop22h 35m

$747

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

lun. 3/17

12:20 am-10:25 am

1 stop20h 05m

Phnom Penh Pochentong

mié. 3/26

11:45 am-2:20 pm

1 stop16h 35m

$752

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

mar. 3/4

11:30 pm-11:20 pm

1 stop32h 50m

Phnom Penh Pochentong

lun. 3/17

12:30 am-3:00 pm

1 stop28h 30m

$758

SeattlePhnom Penh

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

jue. 3/6

11:00 am-10:25 pm

1 stop20h 25m

Phnom Penh Pochentong

lun. 3/17

11:45 pm-10:00 am

1 stop24h 15m

$758

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

jue. 4/10

10:50 pm-4:55 pm

1 stop28h 05m

Phnom Penh Pochentong

jue. 4/17

2:10 pm-6:40 pm

1 stop18h 30m

$770

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
1
2
3
...
6

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.

Travel insights for flights from USA to Phnom Penh

Get recent, data-driven insights about flights from USA to Phnom Penh including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from USA to Phnom Penh (average of $1,014). 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 febrero 20, 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 febrero 20, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and ANA 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.

Comfort

8.2

Food

8.0

Entertainment

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Comfort

8.2

Food

8.0

Entertainment

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Comfort

8.2

Food

8.0

Entertainment

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

8.4
Very good

Comfort

8.2

Food

8.0

Entertainment

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Comfort

8.2

Food

8.0

Entertainment

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Comfort

8.2

Food

8.0

Entertainment

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

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 China Southern, which is currently one of the cheapest options available, starting at $366. Singapore Airlines flights start at $377 while deals on Asiana Airlines start at $425 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, October is the cheapest month in which you can book a flight from USA to Phnom Penh (average of $1,014). 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

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.

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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$630Average$1,326FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$644Average$702FlexibilityNo cancel feeOn-time67%
China EasternCheapest$661Average$847FlexibilityNo cancel feeOn-time62%
Vietnam AirlinesCheapest$683Average$998FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$694Average$1,162FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$709Average$988FlexibilityNo cancel feeOn-time72%
Philippine AirlinesCheapest$733Average$834FlexibilityNo cancel feeOn-time60%
Korean AirCheapest$736Average$1,331FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$740Average$1,157FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$837Average$1,187FlexibilityNo cancel feeOn-time70%
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.