Book a trip from Boston to Singapore with Cathay Pacific , fares from USD997

Deals on Boston (BOS) to Singapore (SIN) flights

USD2.1K
Displaying fares for May-2025
14

Wed

MAY

15

Thu

16

Fri

17

Sat

18

Sun

19

Mon

20

Tue

21

Wed

22

Thu

23

Fri

24

Sat

25

Sun

26

Mon

27

Tue

28

Wed

29

Thu

30

Fri

31

Sat

01

Sun

JUN

02

Mon

03

Tue

04

Wed

05

Thu

06

Fri

07

Sat

08

Sun

09

Mon

10

Tue

11

Wed

12

Thu

13

Fri

RangeUSD2,055-USD2,113

Book flights to Singapore SIN

Book flights to Singapore SIN
From
To
Fare Type
Dates
Price
Boston (BOS)Singapore (SIN)Round-trip
/
Economy
09/09/2025 - 29/10/2025

From

USD997

Seen 1 day ago

Boston (BOS)Singapore (SIN)Round-trip
/
Economy
31/05/2025 - 07/06/2025

From

USD2,055

Seen 1 day ago

Boston (BOS)Singapore (SIN)Round-trip
/
Economy
18/05/2025 - 22/05/2025

From

USD2,113

Seen 1 day ago

Boston (BOS)Singapore (SIN)Round-trip
/
Economy
18/05/2025 - 23/05/2025

From

USD2,163

Seen 1 day ago

Book Business Class flights to Singapore - selected offers

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

Flight Deals for Popular Routes on Cathay Pacific
From
To
Fare Type
Dates
Price
Boston (BOS)Singapore (SIN)Round-trip
/
Economy
20/11/2025 - 29/11/2025

From

USD1,148

Seen 18 hours ago

Boston (BOS)Singapore (SIN)Round-trip
/
Economy
19/12/2025 - 30/12/2025

From

USD2,591

Seen 18 hours ago

Boston (BOS)Singapore (SIN)Round-trip
/
Economy
19/12/2025 - 02/01/2026

From

USD2,724

Seen 1 day ago

Boston (BOS)Singapore (SIN)Round-trip
/
Economy
19/12/2025 - 03/01/2026

From

USD2,724

Seen 1 day ago

*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.