FFL Helper

FFL Helper / Ontario / Portland

ONT → PDX

Ontario to Portland

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

Lowest fare $143
Distance 835 mi
Flight time 2h 18m
Airports ONT–PDX
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By month: August 2026 from $165 · September 2026 from $143

Price calendar

August 2026

From $165 · up to $169

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27 $169 28 $167 29 $167 30 $167 31 $165

September 2026

From $143 · up to $173

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Upcoming dates

Portland PDX

$143

Sep 01, 7:12am · 2h 18m · 0 stops

ONT → PDX · Alaska Airlines

Tickets

Portland PDX

$165

Aug 31, 11:50am · 5h 31m · 1 stop

ONT → PDX · Frontier Airlines

Tickets

Portland PDX

$169

Aug 27, 10:49am · 6h 22m · 1 stop

ONT → PDX · Frontier Airlines

Tickets

Portland PDX

$173

Sep 02, 6:00am · 11h 11m · 1 stop

ONT → PDX · Frontier Airlines

Tickets

About this route

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