FFL Helper

FFL Helper / Portland / Ontario

PDX → ONT

Portland to Ontario

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

Lowest fare $165
Distance 835 mi
Flight time 5h 54m
Airports PDX–ONT
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By month: August 2026 from $168 · September 2026 from $165

Price calendar

August 2026

From $168 · up to $173

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September 2026

From $165

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Upcoming dates

Ontario ONT

$165

Sep 02, 5:56pm · 5h 54m · 1 stop

PDX → ONT · Frontier Airlines

Tickets

Ontario ONT

$168

Aug 27, 5:15am · 6h 48m · 1 stop

PDX → ONT · American Airlines

Tickets

Ontario ONT

$173

Aug 28, 12:20pm · 11h 30m · 1 stop

PDX → ONT · Frontier Airlines

Tickets

Ontario ONT

$173

Aug 29, 12:20pm · 11h 30m · 1 stop

PDX → ONT · Frontier 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.