United Flight 28 Deals & Information (2026/2027)

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United Flight 28 Route Deals From $466

The cheapest prices found with in the last 7 days for return flights were $850 and $466 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 29 - Tue, Nov 10
SIN
Changi
SFO
San Francisco Intl.
$850 Roundtrip, found 22 hours ago
$850
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Oct 29 from Changi to San Francisco Intl., returning Tue, Nov 10, priced at $850 found 22 hours ago
Thu, Oct 29 - Tue, Nov 10
SIN
Changi
SFO
San Francisco Intl.
$928 Roundtrip, found 22 hours ago
$928
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Oct 29 from Changi to San Francisco Intl., returning Tue, Nov 10, priced at $928 found 22 hours ago