Flights from United States to the Republic of Singapore from $ 641*
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1 Passenger, Economy
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today
today
Best prices for United flights from United States to Republic of Singapore
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*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, 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. Schedules are subject to change without notice.
Best business class fares from United States to the Republic of Singapore
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San Francisco (SFO)to
Singapore (SIN)
01/13/26 - 01/20/26
Roundtrip
Business
from
$Â 3,965
Viewed: 16 hours ago
Newark/New York (EWR)to
Singapore (SIN)
01/05/26 - 01/12/26
Roundtrip
Business
from
$Â 4,942
Viewed: 8 hours ago
Los Angeles (LAX)to
Singapore (SIN)
06/09/26 - 06/30/26
Roundtrip
Business
from
$Â 4,939
Viewed: 20 hours ago
Washington, D.C. (IAD)to
Singapore (SIN)
02/17/26 - 03/09/26
Roundtrip
Business
from
$Â 5,640
Viewed: 21 hours ago
Chicago (ORD)to
Singapore (SIN)
07/06/26 - 07/20/26
Roundtrip
Business
from
$Â 5,527
Viewed: 1 day ago
Houston (IAH)to
Singapore (SIN)
01/27/26 - 02/17/26
Roundtrip
Business
from
$Â 5,183
Viewed: 28 minutes ago
Denver (DEN)to
Singapore (SIN)
05/25/26 - 06/15/26
Roundtrip
Business
from
$Â 5,540
Viewed: 1 day ago
San Diego (SAN)to
Singapore (SIN)
02/10/26 - 03/10/26
Roundtrip
Business
from
$Â 5,449
Viewed: 16 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, 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. Schedules are subject to change without notice.