Book a trip from Boston to Singapore with Cathay Pacific , fares from USD858
Book a trip from Boston to Singapore ..
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1 Passenger(s), Economy
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Deals on Boston (BOS) to Singapore (SIN) flights
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Book flights to Singapore SIN
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 23/10/2025 - 30/10/2025 | From USD858 Seen 1 day ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 01/10/2025 - 21/10/2025 | From USD858 Seen 4 hours ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 06/11/2025 - 13/11/2025 | From USD858 Seen 1 day ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 17/11/2025 - 23/11/2025 | From USD858 Seen 12 hours ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 01/10/2025 - 29/10/2025 | From USD858 Seen 15 hours ago |
Book Business Class flights to Singapore - selected offers
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Boston (BOS)to
Singapore (SIN)24/11/2025 - 30/11/2025FromUSD4,915Seen 1 day agoRound-tripBusinessBoston (BOS)to
Singapore (SIN)19/08/2025 - 31/08/2025FromUSD6,565Seen 1 day agoRound-tripBusinessBoston (BOS)to
Singapore (SIN)13/09/2025 - 21/09/2025FromUSD8,641Seen 1 day agoRound-tripBusinessBoston (BOS)to
Singapore (SIN)12/09/2025 - 21/09/2025FromUSD8,656Seen 13 hours agoRound-tripBusiness
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All fares displayed include taxes and carrier-imposed surcharges. All fares, government taxes and fees, and surcharges are subject to change at any time. For ticket cancellations, where applicable, the Hong Kong Passenger Security Charge, the Hong Kong Air Passenger Departure Tax, and the Hong Kong International Airport Construction Fee will be refunded without any administration fees.
Flight Deals for Popular Routes on Cathay Pacific
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 18/03/2026 - 25/03/2026 | From USD946 Seen 16 hours ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 12/02/2026 - 23/02/2026 | From USD946 Seen 9 hours ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 13/02/2026 - 22/02/2026 | From USD996 Seen 6 hours ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 14/02/2026 - 22/02/2026 | From USD996 Seen 6 hours ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.
Travel to Singapore in Premium Economy
Boston (BOS)to
Singapore (SIN)17/11/2025 - 23/11/2025FromUSD1,830Seen 16 hours agoRound-tripPremium Economy
Best fares on flights found by others in the last 48 hours. (Please note that some fares may only apply when there are multiple travellers.)