Houston to Ontario
IAHONT
Fly from Houston to Ontario starting at USD 79 with Frontier Airlines.
Best fare available on Jun 15, 2026.
Limited seats. Better plans. Book before it's gone.
Houston to Ontario cheapest flights this week
Houston to Ontario monthly flight fare trend
Jun
from USD 79
Jul
No flights
Aug
No flights
Sep
No flights
Oct
No flights
Nov
No flights
Airport Details
Origin
Houston
George Bush Intercontinental Houston Airport (IAH)
Houston, IAH
Zone
Chicago
Elev
97 ft
Destination
Ontario
Ontario International Airport (ONT)
Ontario, ONT
Zone
Los Angeles
Elev
944 ft
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