Book a trip from Boston to Phnom Penh with Cathay Pacific , fares from USD981

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Deals on Boston (BOS) to Phnom Penh (PNH) flights

May 2025
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USD1.7K
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RangeUSD1,736-USD2,007

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.

Book flights to Phnom Penh PNH

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Book flights to Phnom Penh PNH
From
To
Fare Type
Dates
Price
Boston (BOS)Phnom Penh (PNH)Round-trip
/
Economy		09/10/2025 - 09/12/2025

From

USD981

Seen 1 day ago

Boston (BOS)Phnom Penh (PNH)Round-trip
/
Economy		01/09/2025 - 14/09/2025

From

USD996

Seen 8 hours ago

Boston (BOS)Phnom Penh (PNH)Round-trip
/
Economy		09/10/2025 - 27/10/2025

From

USD1,082

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

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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 (PNH)

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.