$336+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Riverside 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.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 30, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $754 (Gurufare) |
One-way from | $336 (oojo) |
Popular in | June |
Cheapest in | March |
Average price | $905 |
Find flight deals from Riverside to Phnom Penh
Cheapest flights from Riverside to Phnom PenhExplore 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 30, 2025.
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 30, 2025.
This KAYAK deal was found by Cheapflights users on 4/29. 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.
This oojo deal was found by Cheapflights users on 4/29. 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.
This Gurufare deal was found by Cheapflights users on 4/29. 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.
This Asiana Airlines deal was found by Cheapflights users on 4/29. 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.
This FlightHub deal was found by Cheapflights users on 4/29. 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.
This StudentUniverse deal was found by Cheapflights users on 4/29. 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.
This FlightHub deal was found by Cheapflights users on 4/29. 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.
This FlightHub deal was found by Cheapflights users on 4/29. 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.
This KAYAK deal was found by Cheapflights users on 4/29. 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.
This FlightHub deal was found by Cheapflights users on 4/28. 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.
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 30, 2025.
Use the filters below to find and compare flights from Riverside to Phnom Penh that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesPhnom Penh
LAX - PNH
LAXPNH
Los Angeles
Sun 10/5
11:00 pm-10:55 pm
1 stop33h 55m
Phnom Penh Pochentong
Tue 11/4
11:55 pm-4:00 pm
1 stop31h 05m
Los AngelesPhnom Penh
LAX - PNH
LAXPNH
Los Angeles
Sun 5/11
12:30 pm-11:15 pm
1 stop20h 45m
Phnom Penh Pochentong
Sat 5/17
6:50 pm-10:05 am
3 stops53h 15m
Los AngelesPhnom Penh
LAX - PNH
LAXPNH
Los Angeles
Sun 10/5
11:40 pm-1:10 pm
1 stop23h 30m
Phnom Penh Pochentong
Tue 11/4
9:35 am-11:15 am
2 stops40h 40m
Los AngelesPhnom Penh
LAX - PNH
LAXPNH
Los Angeles
Tue 9/30
8:30 am-10:10 pm
2 stops23h 40m
Phnom Penh Pochentong
Wed 10/15
11:30 pm-9:40 am
1 stop24h 10m
Los AngelesPhnom Penh
LAX - PNH
LAXPNH
Los Angeles
Sat 5/10
12:30 am-10:15 am
1 stop19h 45m
Phnom Penh Pochentong
Sun 5/25
6:30 pm-10:05 pm
1 stop17h 35m
Los AngelesPhnom Penh
LAX - PNH
LAXPNH
Los Angeles
Sat 5/10
3:13 pm-10:10 pm
2 stops40h 57m
Phnom Penh Pochentong
Sat 5/31
3:35 pm-7:40 pm
1 stop18h 05m
Los AngelesPhnom Penh
LAX - PNH
LAXPNH
Los Angeles
Fri 10/3
12:05 am-9:50 am
1 stop19h 45m
Phnom Penh Pochentong
Mon 11/3
5:20 pm-7:35 pm
1 stop17h 15m
Los AngelesPhnom Penh
LAX - PNH
LAXPNH
Los Angeles
Thu 10/2
12:50 am-11:15 am
1 stop20h 25m
Phnom Penh Pochentong
Thu 10/30
12:45 pm-8:35 pm
1 stop21h 50m
Los AngelesPhnom Penh
LAX - PNH
LAXPNH
Los Angeles
Tue 8/12
7:34 pm-1:10 pm
2 stops27h 36m
Phnom Penh Pochentong
Mon 9/15
6:55 pm-1:28 pm
2 stops32h 33m
Los AngelesPhnom Penh
LAX - PNH
LAXPNH
Los Angeles
Sun 8/10
9:30 pm-10:55 pm
2 stops35h 25m
Phnom Penh Pochentong
Wed 9/17
11:55 pm-2:57 pm
2 stops29h 02m
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.
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 25, 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 $991). 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 30, 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 30, 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.
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Dale,Apr 2025
SFO - TPE
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Dale,Apr 2025
SFO - TPE
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Dale,Apr 2025
SFO - TPE
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Dale,Apr 2025
SFO - TPE
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Dale,Apr 2025
SFO - TPE
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Dale,Apr 2025
SFO - TPE
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.
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Alternative routes for Riverside to Phnom Penh
See prices for flight routes from nearby airports that may be better suited for you.
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 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$628 | Average$968 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$644 | Average$712 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$656 | Average$771 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$711 | Average$867 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$711 | Average$795 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$721 | Average$1,074 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$734 | Average$990 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$749 | Average$947 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$825 | Average$1,108 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$919 | Average$1,058 | FlexibilityNo cancel fee | On-time74% |