FFL Helper

FFL Helper / Portland / Ontario

PDX → ONT

Portland (PDX) to Ontario (ONT)

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

Lowest fare $143
Distance 835 mi
Flight time 11h 49m
Airports PDX–ONT
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By month: October 2026 from $143

Price calendar

October 2026

From $143 · up to $217

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November 2026

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Upcoming dates

Ontario ONT

$143

Oct 27, 12:02pm · 11h 49m · 1 stop

PDX → ONT · Frontier Airlines

Tickets

Ontario ONT

$155

Feb 18, 4:29pm · 7h 36m · 1 stop

PDX → ONT · Frontier Airlines

Tickets

Ontario ONT

$217

Oct 30, 12:10pm · 6h 10m · 1 stop

PDX → ONT · Southwest Airlines

Tickets

About this route

This calendar shows dated one-way fares from Portland 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 Portland to Ontario.