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United flights from Ontario to San Francisco starting at

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Low fare calendar for flights from Ontario (ONT) to San Francisco (SFO)

Sunday
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1
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$249 Price subject to changes
Viewed:3 hours ago
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2
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$218 Price subject to changes
Viewed:3 hours ago
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3
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$194 Price subject to changes
Viewed:3 hours ago
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4
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$194 Price subject to changes
Viewed:3 hours ago
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5
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$194 Price subject to changes
Viewed:3 hours ago
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6
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$194 Price subject to changes
Viewed:3 hours ago
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7
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$194 Price subject to changes
Viewed:3 hours ago
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8
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$194 Price subject to changes
Viewed:3 hours ago
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9
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$177 Price subject to changes
Viewed:a day ago
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10
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$177 Price subject to changes
Viewed:3 hours ago
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11
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$177 Price subject to changes
Viewed:3 hours ago
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12
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$177 Price subject to changes
Viewed:3 hours ago
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13
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$177 Price subject to changes
Viewed:3 hours ago
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14
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$177 Price subject to changes
Viewed:3 hours ago
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15
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$177 Price subject to changes
Viewed:3 hours ago
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16
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$177 Price subject to changes
Viewed:3 hours ago
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17
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$177 Price subject to changes
Viewed:3 hours ago
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18
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$177 Price subject to changes
Viewed:3 hours ago
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19
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$177 Price subject to changes
Viewed:3 hours ago
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20
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$177 Price subject to changes
Viewed:3 hours ago
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21
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$177 Price subject to changes
Viewed:3 hours ago
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22
from
$177 Price subject to changes
Viewed:3 hours ago
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23
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$194 Price subject to changes
Viewed:3 hours ago
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24
from
$177 Price subject to changes
Viewed:3 hours ago
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25
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$218 Price subject to changes
Viewed:3 hours ago
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26
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$194 Price subject to changes
Viewed:21 hours ago
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27
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$249 Price subject to changes
Viewed:3 hours ago
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28
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$249 Price subject to changes
Viewed:3 hours ago
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29
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$249 Price subject to changes
Viewed:3 hours ago
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30
from
$249 Price subject to changes
Viewed:3 hours ago
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Return:
from
$177 Price subject to changes
Viewed:3 hours ago
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Return:
from
$177 Price subject to changes
Viewed:3 hours ago
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Return:
from
$177 Price subject to changes
Viewed:3 hours ago
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Return:
from
$177 Price subject to changes
Viewed:3 hours ago
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$177 Price subject to changes
Viewed:3 hours ago
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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.

More United deals on Ontario (ONT) to San Francisco (SFO) flights

FromToDatesFare TypePrice

Ontario (ONT)

San Francisco (SFO)

Depart: 01/13/21

Return: 01/20/21

Roundtrip
from
$177*
Viewed:17hoursago

Ontario (ONT)

San Francisco (SFO)

Depart: 01/14/21

Return: 01/21/21

Roundtrip
from
$177*
Viewed:17hoursago

Ontario (ONT)

San Francisco (SFO)

Depart: 01/17/21

Return: 01/24/21

Roundtrip
from
$177*
Viewed:17hoursago

Ontario (ONT)

San Francisco (SFO)

Depart: 01/18/21

Return: 01/25/21

Roundtrip
from
$177*
Viewed:17hoursago

Ontario (ONT)

San Francisco (SFO)

Depart: 01/13/21

Return: 01/27/21

Roundtrip
from
$177*
Viewed:17hoursago

Ontario (ONT)

San Francisco (SFO)

Depart: 01/14/21

Return: 01/28/21

Roundtrip
from
$177*
Viewed:17hoursago

Ontario (ONT)

San Francisco (SFO)

Depart: 01/17/21

Return: 01/31/21

Roundtrip
from
$177*
Viewed:17hoursago

Ontario (ONT)

San Francisco (SFO)

Depart: 01/18/21

Return: 02/01/21

Roundtrip
from
$177*
Viewed:17hoursago

Ontario (ONT)

San Francisco (SFO)

Depart: 11/10/20

Return: 11/24/20

Roundtrip
from
$177*
Viewed:2hoursago

Ontario (ONT)

San Francisco (SFO)

Depart: 11/16/20

Return: 11/30/20

Roundtrip
from
$177*
Viewed:2hoursago

*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.

Weather in San Francisco

Tuesday sky is clear
68°F 10/20/20
Wednesday sky is clear
68°F 10/21/20
Thursday sky is clear
68°F 10/22/20
Friday sky is clear
62°F 10/23/20
Saturday broken clouds
60°F 10/24/20
Sunday sky is clear
60°F 10/25/20
Monday sky is clear
60°F 10/26/20
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