FFL Helper / Oakland / Ontario

OAK → ONT

Oakland to Ontario

Compare one-way fares for flights from Oakland to Ontario.

Lowest fare $158

Distance 367 mi

Flight time 4h 9m

Airports OAK–ONT

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By month: September 2026 from $158

Price calendar

August 2026

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September 2026

From $158

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Upcoming dates

Ontario ONT

$158

Sep 03, 12:13pm · 4h 9m · 1 stop

OAK → ONT · Frontier Airlines

Tickets

About this route

This calendar shows dated one-way fares from Oakland to Ontario. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book Oakland to Ontario.