$325 Cheap flights to Phnom Penh
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Phnom Penh departing on 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.Find the cheapest flights from the United States to Phnom Penh
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
See travel insights to Phnom Penh from
Phnom Penh flights insights and trends
Explore insights for your Phnom Penh flight to craft the best travel plan
What is the cheapest month to fly to Phnom Penh?
In general, November is the cheapest month to fly from United States to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,064. If you aren’t able to travel to Phnom Penh during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,066.
What is the cheapest day to depart on your flight to Phnom Penh?
The cheapest day to depart from United States to Phnom Penh is on a Monday. Travelers who choose to depart for Phnom Penh on a Monday will often find tickets for as low as $1,186. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from United States to Phnom Penh for around $1,582.
What is the cheapest time of day to depart on your flight to Phnom Penh?
According to our data, the cheapest time of day to fly to Phnom Penh is in the evening. momondo users have found flights departing from United States to Phnom Penh in the evening for as low as $1,286. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Phnom Penh are more costly in the afternoon, with an average ticket price of $1,350. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Phnom Penh?
You are more likely to see cheaper flights to Phnom Penh from United States when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $1,256 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from United States for as low as $912 on momondo.
Cheapest flights to Phnom Penh Pochentong
Find the cheapest flights to Phnom Penh Pochentong from your nearest city or airport
| CHEAPEST MONTH TO FLY TO PHNOM PENH FROM LOS ANGELES | March | 21% cheaper | Flying from Los Angeles to Phnom Penh costs on average just $838 in March |
| MOST EXPENSIVE MONTH TO FLY TO PHNOM PENH FROM LOS ANGELES | June | 38% more expensive | It costs about $1,456 for flights to Phnom Penh from Los Angeles in June |
| MOST POPULAR MONTH TO FLY TO PHNOM PENH FROM LOS ANGELES | November | 357% more users visited | More momondo users searched in flights to Phnom Penh from Los Angeles in November than any other month |
Cheap Phnom Penh flight deals and tips
Summary info about Phnom Penh flight prices, duration and airlines
Best One-Way Price | $325 |
|---|---|
Best Round-Trip Price | $568 |
Fastest flight time | 18h 50m |
Popular in | May |
Frequently asked questions about flying to Phnom Penh
What is there to do in Phnom Penh when it’s raining?
When planning your flight to Phnom Penh, it is important to be aware that some months are not as ideal as others. Specifically, the months of May, June, or July could carry a higher chance of rain, as Phnom Penh sees up to 5.1 inches or more. There are still things to do in Phnom Penh even when it's raining, but be aware that rain is highly probable in the area. While in Phnom Penh you will find Tuol Sleng Genocide Museum nearby which is a great museum to visit when you’re looking for things to do indoors.
How far in advance should I book a flight to Phnom Penh?
We recommend purchasing flights from United States to Phnom Penh 69 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Phnom Penh for $1,297. However, in the past 72 hours, people saw flights from United States for as low as $922.
When did momondo last update prices for flights to Phnom Penh Pochentong Airport?
Prices for flights to Phnom Penh Pochentong Airport are updated daily.
How many operators does momondo search for flights to Phnom Penh Pochentong Airport?
There are 30 operators available for flights to Phnom Penh Pochentong Airport as of June 2025.
How old do you have to be to fly to Phnom Penh Pochentong Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel 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.
Why use momondo?
Why should I use momondo to find a flight deal to Phnom Penh?
It is quick and easy to find flights to Phnom Penh on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phnom Penh that suits you.
Can I find flights to Phnom Penh with flexible booking policies on momondo?
Flights to Phnom Penh with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights to Phnom Penh?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Phnom Penh.
I’m not ready to book a flight to Phnom Penh right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Phnom Penh, momondo offers a useful price alert feature which will track prices for flights to Phnom Penh and alert you when they change.
Get notified when prices go down
Daily price changes in your inbox - only with Price Alerts.
Find better results for your trip to Phnom Penh
Popular flights to Phnom Penh
Popular routes according to searches in the past day on momondo
Cheapest flight routes to Phnom Penh Pochentong
These routes have the cheapest flights to Phnom Penh Pochentong found by momondo users in United States
| Departing | Destination | Best Time | Best Price |
|---|---|---|---|
| San Francisco | Phnom Penh | 21h 15m | $568 |
| Los Angeles | Phnom Penh | 19h 45m | $660 |
| Honolulu | Phnom Penh | 16h 05m | $763 |
| Seattle | Phnom Penh | 18h 25m | $763 |
| Boston | Phnom Penh | 22h 15m | $767 |
| Ontario | Phnom Penh | 20h 50m | $810 |
| Chicago | Phnom Penh | 21h 40m | $849 |
| New York | Phnom Penh | 22h 00m | $871 |
| Las Vegas | Phnom Penh | 26h 15m | $879 |
| San Jose | Phnom Penh | 25h 07m | $900 |
| Houston | Phnom Penh | 21h 40m | $910 |
| Dallas | Phnom Penh | 22h 00m | $919 |
| Lihue | Phnom Penh | 22h 15m | $946 |
| Newark | Phnom Penh | 26h 20m | $947 |
| Portland | Phnom Penh | 25h 55m | $967 |
| Denver | Phnom Penh | 27h 30m | $984 |