From Boston, Korean Air via Seoul gave the fastest trip seen to Phnom Penh, 23h 35m, and the cheapest round trip, $1,041. Cathay Pacific via Hong Kong is the other one-stop. EVA Air and Singapore Airlines don't serve Boston.
Photo by Piseth Mao on Pexels
Boarding pass · at least one stop
Search your dates
Today's best fare
fare checked October 12, 2026; it changes with your dates
Compare on AviasalesAffiliate link · opens in a new tab
Logan has nonstops to Seoul, Hong Kong and the Gulf hubs. Cathay Pacific has the most connections, twice a day.
Connecting in the Gulf? Check your flight close to departure. Europe's aviation safety agency advises its airlines to avoid parts of Gulf airspace until at least November 16, 2026. Emirates, Qatar Airways and Etihad keep flying through their hubs, but schedules can change at short notice.
Korean Air
Seoul Incheon: a daily Boston flight, then a daily nonstop to Phnom Penh. 23h 35m, the fastest seen
Right for you if you want the shortest trip and the lowest fare seen.
See flights on Aviasales Affiliate linkCathay Pacific
Hong Kong: a daily Boston flight, then 2 nonstops a day to Phnom Penh
Right for you if you want the most connections, 14 a week.
See flights on Aviasales Affiliate linkEtihad
Abu Dhabi: a daily Boston flight, then a nonstop to Phnom Penh, 6 a week
Right for you if you'd rather fly west, with a single Gulf connection.
See flights on Aviasales Affiliate linkEmirates
Dubai: 6 Boston flights a week, then the daily Phnom Penh flight, which stops in Singapore
Right for you if you want one airline end to end.
See flights on Aviasales Affiliate linkTecho replaced the old airport, which was in town. It's farther out: factor the transfer into your arrival plans.
1,500 riel
The Phnom Penh city bus line, 5:30 a.m. to 11:30 p.m., makes 4 stops as far as the train station. Cash, riel only; 1 to 2 hours depending on traffic.
$10 to $20
Desks in the arrivals hall, or Grab, PassApp and WowNow. The fare depends on the neighborhood. Allow 45 minutes to 1.5 hours for about 20 km.
from about $15
On 12Go, a private sedan can be booked ahead from about $15, an SUV for around $40. Handy for a night arrival or with family.
Phnom Penh is the start of the Cambodian Mekong. Downstream, the delta's bridges and canals; upstream, the falls at the Lao border.
Photo by S5A-0043 on Wikimedia Commons · CC BY 4.0
Photo by Basile Morin on Wikimedia Commons · CC BY-SA 4.0
Photo by Văn Long Bùi on Pexels
Sources: routes, times and fares seen, Kayak and Google Flights (October 12, 2026); flights to Techo, AeroRoutes (2025-2026); Gulf airspace, EASA CZIB-2026-07R3 (September 30, 2026); transfers, Techo International Airport, Nomad Lawyer and GeckoRoutes (2026), 12Go (checked October 11, 2026); e-Visa, Mekong Tourism (January 2025) and the US State Department. Updated October 12, 2026 by Pierre-Marie Coupry.