Book United San Francisco to Ontario flight deals from $227

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Search flights from San Francisco to Ontario (SFO - ONT)

August

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Saturday 25th

Return Sunday 9th
from$ 227*Viewed: 15 minutes ago

Monday 27th

Return Tuesday 11th
from$ 227*Viewed: 15 minutes ago

Friday 31st

Return Saturday 15th
from$ 227*Viewed: 15 minutes ago

September

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Wednesday 26th

Return Thursday 11th
from$ 227*Viewed: 15 minutes ago

Thursday 27th

Return Friday 12th
from$ 227*Viewed: 15 minutes ago

Friday 28th

Return Saturday 13th
from$ 227*Viewed: 15 minutes ago

October

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Wednesday 10th

Return Thursday 25th
from$ 227*Viewed: 15 minutes ago

Wednesday 17th

Return Thursday 1st
from$ 227*Viewed: 15 minutes ago

Friday 19th

Return Saturday 3rd
from$ 227*Viewed: 15 minutes ago
**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..

Plan ahead for flights from San Francisco to Ontario

from
to
Type
Dates
Price*
San Francisco (SFO)
to Ontario (ONT)
Roundtrip
Depart Sat 11 Aug 2018
Return Sun 26 Aug 2018
from$ 227*Viewed: 15 minutes ago
San Francisco (SFO)
to Ontario (ONT)
Roundtrip
Depart Sun 12 Aug 2018
Return Mon 27 Aug 2018
from$ 227*Viewed: 15 minutes ago
San Francisco (SFO)
to Ontario (ONT)
Roundtrip
Depart Mon 13 Aug 2018
Return Tue 28 Aug 2018
from$ 227*Viewed: 15 minutes ago
San Francisco (SFO)
to Ontario (ONT)
Roundtrip
Depart Tue 14 Aug 2018
Return Wed 29 Aug 2018
from$ 227*Viewed: 15 minutes ago
San Francisco (SFO)
to Ontario (ONT)
Roundtrip
Depart Wed 15 Aug 2018
Return Thu 30 Aug 2018
from$ 227*Viewed: 15 minutes ago
San Francisco (SFO)
to Ontario (ONT)
Roundtrip
Depart Thu 16 Aug 2018
Return Fri 31 Aug 2018
from$ 227*Viewed: 15 minutes ago
San Francisco (SFO)
to Ontario (ONT)
Roundtrip
Depart Fri 17 Aug 2018
Return Sat 1 Sep 2018
from$ 227*Viewed: 15 minutes ago
San Francisco (SFO)
to Ontario (ONT)
Roundtrip
Depart Sat 18 Aug 2018
Return Sun 2 Sep 2018
from$ 227*Viewed: 15 minutes ago
San Francisco (SFO)
to Ontario (ONT)
Roundtrip
Depart Sun 19 Aug 2018
Return Mon 3 Sep 2018
from$ 227*Viewed: 15 minutes ago
San Francisco (SFO)
to Ontario (ONT)
Roundtrip
Depart Mon 20 Aug 2018
Return Tue 4 Sep 2018
from$ 227*Viewed: 15 minutes ago
*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 Ontario

76 °FSaturday07/21/2018
86 °FSunday07/22/2018
89 °FMonday07/23/2018
87 °FTuesday07/24/2018
87 °FWednesday07/25/2018
86 °FThursday07/26/2018
81 °FFriday07/27/2018
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