Book United Ontario to Houston flight deals from $720

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Search flights from Ontario to Houston (ONT - IAH)

July

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Friday 13th

Return Saturday 28th
from$ 808*Viewed: 1 day ago

Tuesday 24th

Return Wednesday 8th
from$ 808*Viewed: 1 day ago

Friday 27th

Return Saturday 11th
from$ 808*Viewed: 1 day ago

August

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Tuesday 14th

Return Wednesday 29th
from$ 720*Viewed: 1 day ago

Wednesday 22nd

Return Thursday 6th
from$ 720*Viewed: 1 day ago

Tuesday 28th

Return Wednesday 12th
from$ 720*Viewed: 1 day ago

September

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Saturday 1st

Return Sunday 16th
from$ 764*Viewed: 1 day ago

Tuesday 4th

Return Wednesday 19th
from$ 764*Viewed: 1 day ago

Monday 10th

Return Tuesday 25th
from$ 720*Viewed: 1 day 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..
Houston skyscrapers border a grassy park

Plan ahead for flights from Ontario to Houston

from
to
Type
Dates
Price*
Ontario (ONT)
to Houston (IAH)
Roundtrip
Depart Tue 14 Aug 2018
Return Wed 29 Aug 2018
from$ 720*Viewed: 1 day ago
Ontario (ONT)
to Houston (IAH)
Roundtrip
Depart Tue 21 Aug 2018
Return Wed 5 Sep 2018
from$ 720*Viewed: 1 day ago
Ontario (ONT)
to Houston (IAH)
Roundtrip
Depart Wed 22 Aug 2018
Return Thu 6 Sep 2018
from$ 720*Viewed: 1 day ago
Ontario (ONT)
to Houston (IAH)
Roundtrip
Depart Mon 27 Aug 2018
Return Tue 11 Sep 2018
from$ 720*Viewed: 1 day ago
Ontario (ONT)
to Houston (IAH)
Roundtrip
Depart Tue 28 Aug 2018
Return Wed 12 Sep 2018
from$ 720*Viewed: 1 day ago
Ontario (ONT)
to Houston (IAH)
Roundtrip
Depart Mon 10 Sep 2018
Return Tue 25 Sep 2018
from$ 720*Viewed: 1 day ago
Ontario (ONT)
to Houston (IAH)
Roundtrip
Depart Mon 6 Aug 2018
Return Tue 21 Aug 2018
from$ 764*Viewed: 1 day ago
Ontario (ONT)
to Houston (IAH)
Roundtrip
Depart Fri 10 Aug 2018
Return Sat 25 Aug 2018
from$ 764*Viewed: 1 day ago
Ontario (ONT)
to Houston (IAH)
Roundtrip
Depart Mon 13 Aug 2018
Return Tue 28 Aug 2018
from$ 764*Viewed: 1 day ago
Ontario (ONT)
to Houston (IAH)
Roundtrip
Depart Wed 15 Aug 2018
Return Thu 30 Aug 2018
from$ 764*Viewed: 1 day 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 Houston

86 °FThursday06/21/2018
84 °FFriday06/22/2018
86 °FSaturday06/23/2018
89 °FSunday06/24/2018
90 °FMonday06/25/2018
89 °FTuesday06/26/2018
88 °FWednesday06/27/2018
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