FFL Helper

FFL Helper / Portland / San Diego / September 2026

PDX → SAN · 2026-09

Portland to San Diego in September 2026

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

Lowest this month $129
Highest this month $180
Sample fare $129
Airports PDX–SAN
Search September 2026 tickets

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Other months: August 2026 · September 2026 · Full route

September 2026 price calendar

September 2026

From $129 · up to $180

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Tue
Wed
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Fri
Sat
Sun
1 $143 2 $165 3 $147 4 $129 5 $154 6 $154 7 $180
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Dated fares

San Diego SAN

$129

Sep 04, 11:40am · 8h 34m · 1 stop

PDX → SAN · Frontier Airlines

Tickets

San Diego SAN

$143

Sep 01, 7:55am · 2h 35m · 0 stops

PDX → SAN · Alaska Airlines

Tickets

San Diego SAN

$165

Sep 02, 5:56pm · 5h 55m · 1 stop

PDX → SAN · Frontier Airlines

Tickets

Booking PDX to SAN in September 2026

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