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Flights from Boston to Phnom Penh
There are no direct flights from Boston to Phnom Penh. The easiest way is one stop via Hong Kong or Seoul, about 20h 26m door to door.
No direct flights · 5 connection options From 20h 26m
Boston to Phnom Penh at a glance
Fastest journey20h 26mEstimated
Nonstop flightsNoneConnect via Hong Kong or Seoul
Best ways to fly from Boston to Phnom Penh
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
BOS Hong Kong (HKG) PNH
Leg 1: Cathay Pacific · Leg 2: Air Cambodia, Cambodia Airways, Cathay Pacific
2Search
BOS Seoul (ICN) PNH
Leg 1: Korean Air · Leg 2: Asiana Airlines, Korean Air, Sky Angkor Airlines
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 14,006 km8,698 miles
- Journey time
- 20h 26mestimate
- Time difference
- +12hPhnom Penh vs Boston
- Currency in Phnom Penh
- USD
- Airports
- BOS, PSM → KTI
Flights from Boston to Phnom Penh: questions answered
Are there direct flights from Boston to Phnom Penh?
No. There is no nonstop service, so you will connect, most easily in Hong Kong, Seoul and Istanbul. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Boston to Phnom Penh?
With one connection the journey usually takes around 20h 26m, depending on the layover. The straight-line distance is 14,006 km.
Where do you change planes between Boston and Phnom Penh?
The best connecting points are Hong Kong (HKG), Seoul (ICN), Istanbul (IST) and Dubai (DXB). Cathay Pacific flies both legs via Hong Kong, so you can book it as one ticket.
Which airports serve Boston and Phnom Penh?
Boston: Boston Logan International Airport (BOS) and Portsmouth International Airport at Pease (PSM). Phnom Penh: Techo International Airport (KTI).
What is the time difference between Boston and Phnom Penh?
Phnom Penh is 12 hours ahead of Boston.





