FFL Helper
Oakland OAK
$143
PDX → OAK · Alaska Airlines
FFL Helper / Portland / Oakland / September 2026
PDX → OAK · 2026-09
Portland to Oakland in September 2026
Dated one-way fares from Portland to Oakland in September 2026. Use the calendar to see which days are cheaper.
Lowest this month
$143
Highest this month
$143
Sample fare
$143
Airports
PDX–OAK
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Other months: August 2026 · September 2026 · Full route
September 2026 price calendar
September 2026
From $143
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$143
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Dated fares
Booking PDX to OAK in September 2026
This page is only September 2026 on the Portland to Oakland 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 Portland to Oakland in September 2026.