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Get United's best fares today on flights from Houston to Ontario from

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Low fare calendar for flights from Houston (IAH) to Ontario (ONT)

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from
$647*
Viewed:16 hours ago
Economy
Return date11/22/19
20
No available fares
21
from
$647*
Viewed:20 hours ago
Economy
Return date11/22/19
22
from
$629*
Viewed:19 hours ago
Economy
Return date11/27/19
23
from
$647*
Viewed:17 hours ago
Economy
Return date11/30/19
24
No available fares
25
No available fares
26
from
$465*
Viewed:16 hours ago
Economy
Return date11/27/19
27
from
$594*
Viewed:12 hours ago
Economy
Return date11/28/19
28
No available fares
29
No available fares
30
No available fares
Lowest PriceToday
*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.

Looking for additional flights from Houston to Ontario?

FromToDatesFare TypePrice

Houston (IAH)

Ontario (ONT)

Depart: 12/14/19

12/22/19

Roundtrip
from
$613*
Viewed:1dayago

Houston (IAH)

Ontario (ONT)

Depart: 01/13/20

01/16/20

Roundtrip
from
$349*

Houston (IAH)

Ontario (ONT)

Depart: 12/28/19

12/30/19

Roundtrip
from
$629*

Houston (IAH)

Ontario (ONT)

Depart: 12/30/19

01/01/20

Roundtrip
from
$629*

Houston (IAH)

Ontario (ONT)

Depart: 12/02/19

12/09/19

Roundtrip
from
$489*
Viewed:1dayago

Houston (IAH)

Ontario (ONT)

Depart: 12/02/19

12/16/19

Roundtrip
from
$489*
Viewed:1dayago

Houston (IAH)

Ontario (ONT)

Depart: 01/10/20

01/14/20

Roundtrip
from
$349*
Viewed:9hoursago

Houston (IAH)

Ontario (ONT)

Depart: 12/13/19

12/16/19

Roundtrip
from
$411*
Viewed:9hoursago

Houston (IAH)

Ontario (ONT)

Depart: 11/23/19

11/30/19

Roundtrip
from
$647*
Viewed:9hoursago

Houston (IAH)

Ontario (ONT)

Depart: 09/06/20

09/27/20

Roundtrip
from
$349*
Viewed:10hoursago

*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

Tuesday light rain
70°F 11/19/19
Wednesday moderate rain
58°F 11/20/19
Thursday moderate rain
59°F 11/21/19
Friday broken clouds
59°F 11/22/19
Saturday overcast clouds
64°F 11/23/19
Sunday sky is clear
66°F 11/24/19
Monday light rain
66°F 11/25/19
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