Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from California to Phnom Penh from $2,445

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from California to Phnom Penh departing on 8/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from California to Phnom Penh

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
8:55 pm - 10:00 am
LAX
-
PNH
47h 05m
2 stops
British Airways Logo
6:20 pm - 11:30 am
PNH
-
LAX
31h 10m
2 stops
$2,445British Airways
Fri, Aug 14 - Mon, Oct 5
British Airways Logo
4:45 pm - 10:00 am
SAN
-
PNH
51h 15m
2 stops
British Airways Logo
6:20 pm - 5:50 pm
PNH
-
SAN
37h 30m
2 stops
$2,536British Airways
Sun, Sep 6 - Mon, Sep 21

British Airways flights from California to Phnom Penh

Our best British Airways deals on California to Phnom Penh flight tickets
British Airways
Aug 14
LAX8:55 pmLos Angeles
47h 05m
2 stops
PNH10:00 amPhnom Penh Pochentong
Oct 5
PNH6:20 pmPhnom Penh Pochentong
31h 10m
2 stops
LAX11:30 amLos Angeles
$2,445
British Airways
Sep 6
SAN4:45 pmSan Diego
51h 15m
2 stops
PNH10:00 amPhnom Penh Pochentong
Sep 21
PNH6:20 pmPhnom Penh Pochentong
37h 30m
2 stops
SAN5:50 pmSan Diego
$2,536

momondo Fare Finder

 
Customize your flight search to find flights from California 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, momondo users made 832,500 searches. Data last updated May 9, 2026.
Use the filters below to find and compare flights from California to Phnom Penh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Fri 8/14

8:55 pm-10:00 am

2 stops47h 05m

Phnom Penh Pochentong

Mon 10/5

6:20 pm-11:30 am

2 stops31h 10m

$2,445

San DiegoPhnom Penh

SAN - PNH

SANPNH

San Diego

Sun 9/6

4:45 pm-10:00 am

2 stops51h 15m

Phnom Penh Pochentong

Mon 9/21

6:20 pm-5:50 pm

2 stops37h 30m

$2,536
Cheapest one-way

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Thu 7/9

7:30 pm-10:00 am

2 stops48h 30m

$6,666
Quickest one-way

San FranciscoPhnom Penh

SFO - PNH

SFOPNH

San Francisco

Tue 9/1

9:30 pm-10:00 am

3 stops46h 30m

$6,686

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Thu 10/15

6:05 pm-10:00 am

2 stops49h 55m

$6,906

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Phnom Penh from

How to get the cheapest flight ticket from California to Phnom Penh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Phnom Penh?

In general, September is the cheapest month to fly from California to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $487. If you aren’t able to travel to Phnom Penh during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $521.

How far in advance should I book a flight from California to Phnom Penh?

You are more likely to see cheaper flights to Phnom Penh from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $987 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from California for as low as $793 on momondo.

Can stopping save me money on California to Phnom Penh flights?

You could potentially save up to 17% on your flight if you consider stops on a California to Phnom Penh flight.

Cheap California to Phnom Penh flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Phnom Penh

Fastest flight time

27h 35m

Direct flights

None
The fastest flight from California to Phnom Penh takes 27h 35m
There are no direct flights from California to Phnom Penh. There are no popular flight routes from California to Phnom Penh.
Search flight deals

Frequently asked questions about flying from California to Phnom Penh

  • When did momondo last update prices for flights from California to Phnom Penh Pochentong Airport?

    Prices for flights from California to Phnom Penh Pochentong Airport refresh daily.

  • How many operators does momondo search for flights from California to Phnom Penh Pochentong Airport?

  • How old do you have to be to fly from California to Phnom Penh Pochentong Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Phnom Penh Pochentong Airport.

  • What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

    The required travel and health documents for your Phnom Penh Pochentong Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Phnom Penh Pochentong Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from California to Phnom Penh

Compare and see reviews for airlines that fly from California to Phnom Penh with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $521Free CancellationRating
8.2
1,511 reviews
Search Singapore Airlines flights
Philippine AirlinesPriceFrom $537Free CancellationRating
7.3
995 reviews
Search Philippine Airlines flights
China SouthernPriceFrom $560Free CancellationRating
7.4
151 reviews
Search China Southern flights
China EasternPriceFrom $674Free CancellationRating
7.3
211 reviews
Search China Eastern flights
Cathay PacificPriceFrom $681Free CancellationRating
7.6
1,322 reviews
Search Cathay Pacific flights
Asiana AirlinesPriceFrom $722Free CancellationRating
8.1
530 reviews
Search Asiana Airlines flights
Vietnam AirlinesPriceFrom $738Free CancellationRating
7.7
267 reviews
Search Vietnam Airlines flights
Korean AirPriceFrom $745Free CancellationRating
8.4
1,217 reviews
Search Korean Air flights
China AirlinesPriceFrom $748Free CancellationRating
8.3
822 reviews
Search China Airlines flights
EVA AirPriceFrom $971Free CancellationRating
8.5
1,444 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from California to Phnom Penh?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from California to Phnom Penh. momondo saves you time and could save you money on your trip.

Can I find flights from California to Phnom Penh with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for California to Phnom Penh flights to just show those with flexible booking policies.

How can momondo help me find flights from California to Phnom Penh?

momondo provides multiple filters to help you find the best flight to Phnom Penh from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from California to Phnom Penh right now. Can momondo alert me if prices change?

Yes. momondo can track prices for California to Phnom Penh flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Phnom Penh trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 6/8
Mon 6/15
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Cambodia