Book a trip from Boston to Singapore with Cathay Pacific , fares from USD1,123
expand_more
1 Passenger(s), Economy
expand_moreDISCOUNT CODE (OPTIONAL)
expand_moretoday
today
Deals on Boston (BOS) to Singapore (SIN) flights
expand_more
location_on
location_on
Book flights to Singapore SIN
flight_takeoff
flight_land
USD
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 11/08/2026 - 01/09/2026 | From USD1,293 Seen 1 day ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 04/06/2026 - 17/06/2026 | From USD1,564 Seen 1 day ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 21/08/2026 - 06/09/2026 | From USD1,579 Seen 1 day ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 01/06/2026 - 13/06/2026 | From USD1,614 Seen 1 day ago | |
| Boston (BOS) | Singapore (SIN) | Round-trip / Economy | 06/03/2026 - 13/03/2026 | From USD1,793 Seen 1 day ago |
Book Business Class flights to Singapore - selected offers
flight_takeoff
flight_land
USD
Boston (BOS)to
Singapore (SIN)19/04/2026 - 24/04/2026FromUSD9,733Seen 1 day agoRound-tripBusinessBoston (BOS)to
Singapore (SIN)23/07/2026 - 06/08/2026FromUSD5,491Seen 1 day agoRound-tripBusinessBoston (BOS)to
Singapore (SIN)11/08/2026 - 01/09/2026FromUSD5,491Seen 1 day agoRound-tripBusinessBoston (BOS)to
Singapore (SIN)16/07/2026 - 24/07/2026FromUSD6,733Seen 58 minutes agoRound-tripBusiness
Explore More Flights from Other Popular Origins
The Cathay Pacific experience
-
Spacious cabins and world-class service
-
Complete flexibility when you book
-
Fresher flavours, now ready for Business
-
Our intuitive digital experience