Book a trip from Boston to Phnom Penh with Cathay Pacific , fares from USD1,441
Direct flights from Boston with three cabin classes to match your style, your Phnom Penh adventure starts from USD1,441
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1 Passenger(s), Economy
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Deals on Boston (BOS) to Phnom Penh (PNH) flights
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Book flights to Phnom Penh PNH
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 18/11/2025 - 23/11/2025 | From USD1,441 Seen 1 day ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 01/01/2026 - 05/03/2026 | From USD1,441 Seen 1 day ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 17/11/2025 - 02/12/2025 | From USD1,441 Seen 13 hours ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 17/02/2026 - 24/03/2026 | From USD1,441 Seen 1 day ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 05/11/2025 - 24/12/2025 | From USD1,441 Seen 3 hours ago |
Book Business Class flights to Phnom Penh - selected offers
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Boston (BOS)to
Phnom Penh (KTI)22/12/2025 - 11/01/2026FromUSD8,204Seen 21 hours agoRound-tripBusiness
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Flight Deals for Popular Routes on Cathay Pacific
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 01/04/2026 - 30/04/2026 | From USD1,445 Seen 2 hours ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 04/04/2026 - 25/04/2026 | From USD1,541 Seen 1 day ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 25/06/2026 - 27/08/2026 | From USD1,841 Seen 3 hours ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 08/07/2026 - 10/09/2026 | From USD1,841 Seen 3 hours ago | |
| Boston (BOS) | Phnom Penh (KTI) | Round-trip / Economy | 24/06/2026 - 17/07/2026 | From USD1,891 Seen 1 day ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.