Trip.com
>
Flights
>
Flights to Cambodia
>
Flights to Phnom Penh
>
Flights from Boston to Phnom Penh

Cheap flight deals from Boston to Phnom Penh

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Boston to Phnom Penh?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
From price
Search

  • Apr

    30 6
  • 6 13
  • 13 20
  • 20 27

  • May

    27 4
  • 4 11
  • 11 18
  • 18 25

  • Jun

    25 1
  • 1 8
  • 8 15
  • 15 22
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Boston (BOS) to Phnom Penh (PNH) the cheapest?

    Airlines adjust prices for flights from Boston to Phnom Penh based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Boston (BOS) to Phnom Penh (PNH) cost?

    According to Trip.com's data, the lowest price is around AED 4,711.

  • What is the transportation method from the main airport to downtown in Phnom Penh?

    • The distance from Phnom Penh International Airport to downtown is about 7 km, by taxi about 20 minutes.

  • How many airports are there in Phnom Penh (PNH)?

    There are 1 airport(s) near Phnom Penh (PNH): Phnom Penh International Airport.

How to find a cheap flight from Boston to Phnom Penh

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Boston to Phnom Penh. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Boston to Phnom Penh ticket.
Tap "Date" on flight search bar to scan through the calender for Boston to Phnom Penh airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Tue, Apr 15 at AED 1652 for one-way flights.
2
Compare cheap Boston to Phnom Penh flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Boston to Phnom Penh. The cheapest airline operating is Korean Air.
3
Set up a Price Alert
By setting up a Price Alert for your Boston to Phnom Penh route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Boston to Phnom Penh flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Boston to Phnom Penh to get exclusive deals for you.

Flight Info | Boston to Phnom Penh

Cheapest one-way flight price AED 1,651
Off-season for travel March
Peak season for travel June
Flight distance 14,005.2 km
Popular airline American Airlines

More Travel Options

  • Top Routes from Boston
  • Top Routes to Phnom Penh
  • Trending Airlines