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Get United's best fares today on flights from Boston to Singapore from *

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FromToDatesFare TypePrice

Boston (BOS)

Singapore (SIN)

Depart: 02/04/20

Return: 02/11/20

Roundtrip
from
$639*
Viewed:5hoursago

Boston (BOS)

Singapore (SIN)

Depart: 02/02/20

Return: 02/09/20

Roundtrip
from
$639*
Viewed:5hoursago

Boston (BOS)

Singapore (SIN)

Depart: 02/05/20

Return: 02/12/20

Roundtrip
from
$639*
Viewed:5hoursago

Boston (BOS)

Singapore (SIN)

Depart: 01/30/20

Return: 02/06/20

Roundtrip
from
$639*
Viewed:5hoursago

Boston (BOS)

Singapore (SIN)

Depart: 02/11/20

Return: 02/18/20

Roundtrip
from
$639*
Viewed:5hoursago

Boston (BOS)

Singapore (SIN)

Depart: 02/18/20

Return: 02/25/20

Roundtrip
from
$639*
Viewed:5hoursago

Boston (BOS)

Singapore (SIN)

Depart: 02/26/20

Return: 03/04/20

Roundtrip
from
$639*
Viewed:5hoursago

Boston (BOS)

Singapore (SIN)

Depart: 01/28/20

Return: 02/04/20

Roundtrip
from
$639*
Viewed:5hoursago

Boston (BOS)

Singapore (SIN)

Depart: 01/31/20

Return: 02/07/20

Roundtrip
from
$639*
Viewed:5hoursago

Boston (BOS)

Singapore (SIN)

Depart: 02/06/20

Return: 02/13/20

Roundtrip
from
$639*
Viewed:5hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Singapore

Tuesday moderate rain
88°F 01/28/20
Wednesday overcast clouds
86°F 01/29/20
Thursday moderate rain
85°F 01/30/20
Friday scattered clouds
88°F 01/31/20
Saturday moderate rain
85°F 02/01/20
Sunday light rain
87°F 02/02/20
Monday scattered clouds
88°F 02/03/20
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