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Phnom Penh

$352+ Cheap flights from Riverside, CA 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PNH
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Phnom Penh Pochentong are usually found in March or February, booked 18 days in advance, depart on a Monday or Friday and return on a Wednesday

Cheap flight deals from Riverside to Phnom Penh

Keep the following information in mind while searching for Riverside to Phnom Penh flight deals. Data was last updated April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$746
(FlightHub)

One-way from

$352
(oojo)

Popular in

June

Cheapest in

March

Average price

$902
Provider with most accurate pricing for Los Angeles-Phnom Penh Pochentong flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Phnom Penh Pochentong flights.
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From Riverside to Phnom Penh Pochentong
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One-way flight from Riverside to Phnom Penh Pochentong
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Highest demand for flights based on searches. 21% potential increase in price ($305 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 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 Riverside to Phnom Penh

Cheapest flights from Riverside to Phnom Penh
Explore the most affordable flight options available from Riverside to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Ovago deal was found by Cheapflights users on 4/23. 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.
Wed 4/3012:30 amLAX - PNH
1 stop19h 45mCathay Pacific
Mon 10/2011:25 amPNH - LAX
1 stop19h 00mCathay Pacific
Deal found 4/23$744
This Gurufare deal was found by Cheapflights users on 4/21. 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.
Thu 8/1411:40 pmLAX - PNH
1 stop28h 00mSingapore Airlines
Wed 9/249:35 amPNH - LAX
1 stop23h 30mSingapore Airlines
Deal found 4/21$747
This KAYAK deal was found by Cheapflights users on 4/22. 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.
Thu 9/412:50 pmLAX - PNH
1 stop21h 25mPhilippine Airlines
Fri 10/31:15 amPNH - LAX
1 stop33h 30mPhilippine Airlines
Deal found 4/22$749
This Asiana Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 11/911:00 pmLAX - PNH
1 stop32h 55mAsiana Airlines
Thu 11/2711:55 pmPNH - LAX
1 stop24h 45mAsiana Airlines
Deal found 4/23$764
This Korean Air deal was found by Cheapflights users on 4/22. 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.
Thu 9/411:50 pmLAX - PNH
1 stop32h 20mKorean Air
Tue 10/711:30 pmPNH - LAX
1 stop30h 05mKorean Air
Deal found 4/22$793
This oojo deal was found by Cheapflights users on 4/21. 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.
Wed 8/1312:55 amLAX - PNH
1 stop18h 55mChina Airlines
Wed 9/2410:50 amPNH - LAX
1 stop17h 05mChina Airlines
Deal found 4/21$804
This StudentUniverse deal was found by Cheapflights users on 4/23. 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.
Mon 5/128:10 amLAX - PNH
2 stops25h 05mMultiple Airlines
Wed 5/2812:40 pmPNH - LAX
2 stops35h 25mMultiple Airlines
Deal found 4/23$816
This Ovago deal was found by Cheapflights users on 4/23. 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.
Thu 4/2411:40 amLAX - PNH
1 stop33h 35mEVA Air
Mon 9/2912:35 pmPNH - LAX
1 stop32h 45mEVA Air
Deal found 4/23$968

Cheapflights Fare Finder

Customize your flight search to find flights from Riverside 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 April 24, 2025.
Use the filters below to find and compare flights from Riverside to Phnom Penh that are best for you.

Fly from

Riverside

Fly to

Phnom Penh

Route

Depart

Return

Price

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Tue 5/13

12:25 pm-10:15 am

1 stop31h 50m

Phnom Penh Pochentong

Tue 5/27

11:25 am-4:25 pm

1 stop19h 00m

$746

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Thu 8/14

11:40 pm-5:40 pm

1 stop28h 00m

Phnom Penh Pochentong

Wed 9/24

9:35 am-7:05 pm

1 stop23h 30m

$747

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Thu 9/4

12:50 pm-12:15 am

1 stop21h 25m

Phnom Penh Pochentong

Fri 10/3

1:15 am-8:45 pm

1 stop33h 30m

$749

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Wed 5/14

11:00 pm-10:55 pm

1 stop33h 55m

Phnom Penh Pochentong

Thu 5/29

11:55 pm-4:00 pm

1 stop30h 05m

$768

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Thu 9/4

11:50 pm-10:10 pm

1 stop32h 20m

Phnom Penh Pochentong

Tue 10/7

11:30 pm-3:35 pm

1 stop30h 05m

$793

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Wed 8/13

12:55 am-9:50 am

1 stop18h 55m

Phnom Penh Pochentong

Wed 9/24

10:50 am-1:55 pm

1 stop17h 05m

$804

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Mon 5/12

8:10 am-11:15 pm

2 stops25h 05m

Phnom Penh Pochentong

Wed 5/28

12:40 pm-10:05 am

2 stops35h 25m

$816

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Sun 9/7

1:05 am-11:15 am

1 stop20h 10m

Phnom Penh Pochentong

Wed 10/1

12:35 pm-4:40 pm

1 stop18h 05m

$1,021

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Wed 4/30

12:25 pm-10:15 am

1 stop31h 50m

$352

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Mon 8/11

11:40 pm-8:40 am

1 stop43h 00m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 22 results
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Best time to book a flight from Riverside to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Riverside 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 Riverside to Phnom Penh

How far ahead should I book a flight from Riverside to Phnom Penh?

Use this chart to determine the optimal time to book a round-trip flight from Riverside to Phnom Penh. Price data was last updated on April 18, 2025.

The price you pay for your flight from Riverside to Phnom Penh may vary depending on when you book. For the best chance of a lower fare, look to book 18 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Riverside to Phnom Penh (average of $994). Flying from Riverside 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 R1V to PNH?

Find hourly flight availability from Riverside 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 April 24, 2025.

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

What is the cheapest day to fly from Riverside to Phnom Penh?

Use this chart to determine the cheapest time to fly round-trip from Riverside to Phnom Penh. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Riverside to Phnom Penh flight should consider departing on Thursday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 April 24, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and China Airlines from Riverside to Phnom Penh by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
EVA Air
8.4
Very good
1,180 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Korean Air
8.4
Very good
1,062 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
China Airlines
8.3
Very good
727 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Asiana Airlines
8.2
Very good
443 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Singapore Airlines
8.1
Very good
1,290 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

Find useful and relevant information for your journey from Riverside 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 Riverside?

    Located just 5.0 mi from the city center, Phnom Penh Pochentong is the airport most travelers will use when flying to Phnom Penh from Riverside. Booking flights from Riverside to Pochentong (PNH) should be relatively easy as there are 0 daily inbound flights from Riverside from 10 different airlines.

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

    For one-way options, check prices for Cathay Pacific. According to our data, you can fly for as low as $352. Users have also found prices from $356 and $427 on Singapore Airlines and Korean Air, respectively.

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

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

  • How can I find direct flights from Riverside to Phnom Penh?

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

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

    Yes. Cheapflights offers flight deals from Riverside 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 Riverside to Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from Riverside to Phnom Penh (average of $994). Flying from Riverside 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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Top 10 airlines flying from Riverside to Phnom Penh

Discover the top 10 airlines that operate flights from Riverside 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$628Average$968FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$644Average$712FlexibilityNo cancel feeOn-time67%
China EasternCheapest$656Average$771FlexibilityNo cancel feeOn-time62%
Cathay PacificCheapest$710Average$868FlexibilityNo cancel feeOn-time72%
Philippine AirlinesCheapest$720Average$801FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$722Average$1,088FlexibilityNo cancel feeOn-time76%
Singapore AirlinesCheapest$735Average$990FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$749Average$955FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$825Average$1,111FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$920Average$1,062FlexibilityNo cancel feeOn-time74%

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