San Francisco to Portland in September 2026

Dated one-way fares from San Francisco to Portland in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $56

Highest this month $144

Sample fare $56

Airports SFO–PDX

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September 2026 price calendar

From $56 · up to $144

Mon

Tue

Wed

Thu

Fri

Sat

Sun

2 $126 3 $91 4 $91 5 $91 6 $91 7 $91 8 $91 9 $91 10 $91 11 $91 12 $56 13 $144 14 $56

Portland PDX

$56

Sep 12, 3:03pm · 1h 47m · 0 stops

SFO → PDX · Alaska Airlines

Portland PDX

$56

Sep 14, 6:58pm · 1h 52m · 0 stops

SFO → PDX · Alaska Airlines

This page is only September 2026 on the San Francisco to Portland 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 San Francisco to Portland in September 2026.