Cheap flights from the United States to Phnom Penh from $309
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Phnom Penh departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Asiana Airlines flights from United States to Phnom Penh
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EVA Air flights from United States to Phnom Penh
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How to get the cheapest flight ticket from United States 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, 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 $1,053. 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 $1,254 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.
What is the cheapest airline that flies from United States to Phnom Penh Pochentong?
Singapore Airlines, Korean Air, and Vietnam Airlines are the most popular carriers operating from United States to Phnom Penh Pochentong
What airlines fly to Phnom Penh?
EVA Air, Korean Air and Cathay Pacific are the top three most popular airlines that fly to Phnom Penh from United States according to our data. EVA Air is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Phnom Penh. Keep in mind that there are 15 different airlines that fly to Phnom Penh on a routine basis, so you have a few additional options to choose from.
Cheap United States to Phnom Penh flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United States to Phnom Penh
When did momondo last update prices for flights from United States to Phnom Penh Pochentong Airport?
Prices for flights from United States to Phnom Penh Pochentong Airport are refreshed on a daily basis.
How many operators does momondo search for flights from United States to Phnom Penh Pochentong Airport?
As of June 2025, there are 15 operators available to choose from for flights from United States to Phnom Penh Pochentong Airport.
How old do you have to be to fly from United States 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 United States to Phnom Penh Pochentong Airport.
What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?
The necessary travel and health documents for your Phnom Penh Pochentong Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from United States to Phnom Penh
Compare and see reviews for airlines that fly from United States to Phnom Penh with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $563 | Free Cancellation | Rating 7.5 99 reviews | |||
| PriceFrom $644 | Free Cancellation | Rating 7.2 92 reviews | |||
| PriceFrom $659 | Free Cancellation | Rating 7.2 151 reviews | |||
| PriceFrom $686 | Free Cancellation | Rating 7.2 875 reviews | |||
| PriceFrom $690 | Free Cancellation | Rating 8.1 1,308 reviews | |||
| PriceFrom $694 | Free Cancellation | Rating 8.2 441 reviews | |||
| PriceFrom $704 | Free Cancellation | Rating 7.5 194 reviews | |||
| PriceFrom $709 | Free Cancellation | Rating 7.5 892 reviews | |||
| PriceFrom $733 | Free Cancellation | Rating 8.4 1,090 reviews | |||
| PriceFrom $840 | Free Cancellation | Rating 8.3 740 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from United States to Phnom Penh?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United States to Phnom Penh. momondo saves you time and could save you money on your trip.
Can I find flights from United States to Phnom Penh with flexible booking policies on momondo?
All flight searches from United States to Phnom Penh on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from United States 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 from United States to Phnom Penh.
I’m not ready to book a flight from United States to Phnom Penh right now. Can momondo alert me if prices change?
Price alerts on flights to Phnom Penh from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.