FFL Helper
Ontario ONT
$90
IAH → ONT · Frontier Airlines
FFL Helper / IAH (Houston) / Ontario / October 2026
IAH → ONT · 2026-10
IAH (Houston) to Ontario in October 2026
Dated one-way fares from IAH (Houston) to Ontario in October 2026. Use the calendar to see which days are cheaper.
Lowest this month
$90
Highest this month
$90
Sample fare
$90
Airports
IAH–ONT
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Other months: October 2026 · Full route
October 2026 price calendar
October 2026
From $90
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$90
Dated fares
Booking IAH to ONT in October 2026
This page is only October 2026 on the IAH (Houston) to Ontario route. Open the full route if you want the next months side by side.
Prices move as seats sell. Confirm the live itinerary before you book IAH (Houston) to Ontario in October 2026.