Earn point on your loyalty program!arrow arc left

Cheap flights from Boston (BOS) to Singapore (SIN)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Boston (BOS) to Singapore (SIN)

How to find the cheapest flight from Boston (BOS) to Singapore (SIN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Singapore (SIN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Singapore (SIN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Boston to Singapore in March , April 2026

30 Mar - 07 Apr $ 781.00
BOS
Boston
United Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
1 STOPS
BOS
Boston
Pick dates
10 Mar - 10 Apr $ 1,745.00
BOS
Boston
Cathay Pacific
1 STOPS
SIN
Singapore
SIN
Singapore
Cathay Pacific
1 STOPS
BOS
Boston
Pick dates
09 Mar - 07 Apr $ 1,756.00
BOS
Boston
Cathay Pacific
1 STOPS
SIN
Singapore
SIN
Singapore
Cathay Pacific
1 STOPS
BOS
Boston
Pick dates

Last minute flights from Boston to Singapore

23 Mar - 01 Apr $ 910.00
BOS
Boston
Etihad Airways
1 STOPS
SIN
Singapore
SIN
Singapore
Etihad Airways
1 STOPS
BOS
Boston
Pick dates
10 Mar - 01 Apr $ 1,816.00
BOS
Boston
Cathay Pacific
1 STOPS
SIN
Singapore
SIN
Singapore
Cathay Pacific
1 STOPS
BOS
Boston
Pick dates
10 Mar - 31 Mar $ 1,896.00
BOS
Boston
Cathay Pacific
1 STOPS
SIN
Singapore
SIN
Singapore
Cathay Pacific
1 STOPS
BOS
Boston
Pick dates

One-way flights to Singapore from Boston

5:45 AM - 11:35 AM
United Airlines
1 Stops
26h 30m
BOS - SIN
$ 391
Kiwi
Pick dates
5:30 AM - 10:25 AM
United Airlines
1 Stops
25h 5m
BOS - SIN
$ 393
Kiwi
Pick dates
7:00 AM - 6:20 PM
United Airlines
2 Stops
29h 55m
BOS - SIN
$ 405
Kiwi
Pick dates

How to find the cheapest flight from Boston (BOS) to Singapore (SIN)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Singapore (SIN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Singapore (SIN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.