Cheap flights from Boston to Phnom Penh from $396
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Phnom Penh departing on 9/22. 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 Boston to Phnom Penh
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Korean Air flights from Boston to Phnom Penh
Our best Korean Air deals on Boston to Phnom Penh flight tickets
Etihad Airways flights from Boston to Phnom Penh
Our best Etihad Airways deals on Boston to Phnom Penh flight tickets
See travel insights to Phnom Penh from
How to get the cheapest flight ticket from Boston 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, March is the cheapest month to fly from Boston to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,056. If you aren’t able to travel to Phnom Penh during the month of March, then flying in April 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 Boston 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 $1,250. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Phnom Penh for around $1,486.
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 Boston to Phnom Penh in the evening for as low as $1,215. 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 $1,607. 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 Boston when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $1,288 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from Boston for as low as $1,035 on momondo.
What is the cheapest airline that flies from Boston Logan Intl to Phnom Penh Pochentong?
Korean Air, Air China, and Cathay Pacific are the most popular carriers operating from Boston Logan Intl to Phnom Penh Pochentong
What airlines fly to Phnom Penh?
Korean Air, Cathay Pacific and Emirates are the top three most popular airlines that fly to Phnom Penh from Boston according to our data. Korean Air is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Phnom Penh. Keep in mind that there are 4 different airlines that fly to Phnom Penh on a routine basis, so you have a few additional options to choose from.
When to book flights from Boston to Phnom Penh
Cheap Boston to Phnom Penh (BOS to PNH) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to Phnom Penh
How far is Boston Logan Intl to Phnom Penh Pochentong by plane?
Phnom Penh Pochentong is 8696.3 mi away from Boston Logan Intl. In terms of flight time, this usually takes a little over 21h 35m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Phnom Penh Pochentong Airport?
Prices for flights from Boston Logan Intl Airport to Phnom Penh Pochentong Airport were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to Phnom Penh Pochentong Airport?
There are 4 operators available for flights from Boston Logan Intl Airport to Phnom Penh Pochentong Airport as of June 2025.
How old do you have to be to fly from Boston Logan Intl Airport 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 from Boston Logan Intl Airport to Phnom Penh Pochentong Airport.
What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?
The travel and health documents required for your trip to Phnom Penh Pochentong Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phnom Penh Pochentong Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Boston to Phnom Penh?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to Phnom Penh is Korean Air (56% of total bookings). The next most popular airlines are Cathay Pacific (33%), Emirates (9%), and Qatar Airways (2%).
Best airlines flying from Boston to Phnom Penh
Compare and see reviews for airlines that fly from Boston to Phnom Penh with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $813 | Free Cancellation | Rating 8.4 1,088 reviews | |||
| PriceFrom $848 | Free Cancellation | Rating 7.5 892 reviews | |||
| PriceFrom $1,046 | Free Cancellation | Rating 7.4 3,584 reviews | |||
| PriceFrom $1,202 | Free Cancellation | Rating 8.1 3,264 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Boston to Phnom Penh?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Phnom Penh from Boston.
Can I find flights from Boston to Phnom Penh with flexible booking policies on momondo?
Flights from Boston 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 from Boston to Phnom Penh?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Phnom Penh from Boston.
I’m not ready to book a flight from Boston to Phnom Penh right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Phnom Penh from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.