Book a trip from Boston to Singapore with Cathay Pacific , fares from USD1,047
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 | 19/09/2025 - 28/09/2025 | From USD1,047 Seen 14 hours ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 07/05/2025 - 14/05/2025 | From USD1,468 Seen 21 minutes ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 18/05/2025 - 23/05/2025 | From USD1,547 Seen 14 minutes ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 18/05/2025 - 21/05/2025 | From USD1,626 Seen 13 hours ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 29/05/2025 - 07/06/2025 | From USD1,736 Seen 2 hours ago |
Book Business Class flights to Singapore - selected offers
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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 | 19/11/2025 - 03/12/2025 | From USD1,097 Seen 1 day ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 21/11/2025 - 27/12/2025 | From USD1,426 Seen 1 day ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 12/02/2026 - 22/02/2026 | From USD1,572 Seen 1 day ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 19/12/2025 - 27/12/2025 | From USD2,640 Seen 1 day 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)02/10/2025 - 12/10/2025FromUSD2,089Seen 1 day agoRound-trip/Premium 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.)