FFL Helper
Oklahoma City OKC
$89
ONT → OKC · Frontier Airlines
FFL Helper / Ontario / Oklahoma City / September 2026
ONT → OKC · 2026-09
Ontario to Oklahoma City in September 2026
Dated one-way fares from Ontario to Oklahoma City in September 2026. Use the calendar to see which days are cheaper.
Lowest this month
$89
Highest this month
$89
Sample fare
$89
Airports
ONT–OKC
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Other months: September 2026 · Full route
September 2026 price calendar
September 2026
From $89
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$89
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Dated fares
Booking ONT to OKC in September 2026
This page is only September 2026 on the Ontario to Oklahoma City 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 Ontario to Oklahoma City in September 2026.