Book a trip from Boston to Phnom Penh with Cathay Pacific , fares from USD1,225
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1 Passenger(s), Economy
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Fly Cathay Pacific from Boston (BOS) to Phnom Penh (KTI). Enjoy award-winning service, entertainment, and an enhanced menu for Premium Economy and Business class during your flight. Book direct to secure our best fare and join as a Cathay member to earn Status Points or Miles.
When is the best time to fly from Boston (BOS) to Phnom Penh (KTI)?
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Travel Destination Facts
Destination airport(s)
- Phnom Penh International Airport (PNH)
- Krong Ta Khmau Airport (KTI)
Aircraft Type
Boeing 777, Airbus A321neo, Airbus A330 and Airbus A350 aircraft*
Departure time zone
GMT-04:00
Arrival time zone
GMT+07:00
Cabin Class
First class, Business class, Premium Economy, Economy^
Lowest fare month
February
Explore flight fares from Boston (BOS) to Phnom Penh (KTI)
Make flexible bookings with Cathay Pacific and enjoy hassle-free travel when plans change.
USD
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 28/01/2027 - 22/02/2027 | From USD1,225 Seen 1 day ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 03/02/2027 - 22/02/2027 | From USD1,225 Seen 1 day ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 09/11/2026 - 26/11/2026 | From USD1,225 Seen 1 day ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 10/11/2026 - 26/11/2026 | From USD1,225 Seen 1 day ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 28/09/2026 - 04/11/2026 | From USD1,225 Seen 1 day ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 30/09/2026 - 04/11/2026 | From USD1,225 Seen 1 day ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 01/10/2026 - 04/11/2026 | From USD1,225 Seen 1 day ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 08/02/2027 - 11/03/2027 | From USD1,225 Seen 1 day ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 09/02/2027 - 11/03/2027 | From USD1,225 Seen 1 day ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 10/02/2027 - 11/03/2027 | From USD1,225 Seen 1 day ago |
Lowest fares on round-trip flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply.
Book Business Class flights to Phnom Penh - selected offers
Experience refined comfort in our award-winning Business class.
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Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply.
Flights from Boston BOS to Phnom Penh KTI
Phnom Penh, formerly known as the Paris of the East, has a chaotic edginess that blends with a charming elegance. Book your flight to Phnom Penh with Cathay Pacific and discover a city brimming with delights. Generous luggage allowances, large comfortable seats, and excellent inflight entertainment ensure you enjoy your Phnom Penh flight.
Discover Phnom Penh
Start at the National Museum of Cambodia for an understanding of this country’s complicated past and current growth. The Tuol Sleng Genocide Museum provides a harrowing look into Cambodia’s history. Take a trip to the nearby Killing Fields of Choeung Ek – a memorial containing hundreds of human bones honouring the deceased. Admire the opulent Royal Palace and Silver Pagoda, experience spirituality at Wats Phnom and Ounalom, stroll along the riverfront, and see traditional stilt houses at Tonle Bati. Shop for local goods and snacks at the Russian Market.
Best time to visit Phnom Penh
Temperatures are coolest between November and January, attracting the most visitors. March to May sees the hottest temperatures, the May to October wet season is warm and humid, and the most rainfall occurs between July and September. Whenever you visit, fly in comfort and style when you choose Cathay Pacific for your Phnom Penh flights.