$94 Cheap United flights San Francisco (SFO) to Ontario (ONT)

View $94 flight on Tue, Apr 28, 2026Opens in a new window

$94 Cheap United flights San Francisco (SFO) to Ontario (ONT)

Prices were available within the past 7 days and start at $94 for one-way flights and $187 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Apr 29 - Tue, May 19
SFO
San Francisco
ONT
Ontario
$187 Roundtrip, found 1 day ago
$187
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 29 from San Francisco to Ontario, returning Tue, May 19, priced at $187 found 1 day ago

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Los Angeles - Ontario Intl. ONT. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $102
ONT
Los Angeles - Ontario Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $102

Find the cheapest month to fly from San Francisco (SFO) to Ontario (ONT)

January is typically the cheapest month to fly

From $48 - $157 per traveler.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
582 km
Average flight time
1 hour 33 mins

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