$172 Cheap Delta flights Ontario (ONT) to San Francisco (SFO)

View $172 flight on Tue, Oct 14, 2025Opens in a new window

$172 Cheap Delta flights Ontario (ONT) to San Francisco (SFO)

Prices were available within the past 7 days and start at $172 for one-way flights and $403 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 14 - Thu, Oct 16
ONT
Ontario
SFO
San Francisco
$403 Roundtrip, found 4 days ago
$403
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 14 from Ontario to San Francisco, returning Thu, Oct 16, priced at $403 found 4 days ago
Flights from Ontario (ONT) to San Francisco (SFO)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Popular airline
Frontier Airlines
Distance
582 km
Average flight time
1 hour 51 mins