Los Angeles to Portland in September 2026

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

Lowest this month $102

Highest this month $168

Sample fare $78

Airports LAX–PDX

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September 2026 price calendar

From $102 · up to $168

Mon

Tue

Wed

Thu

Fri

Sat

Sun

2 $168 3 $154 4 $154 5 $154 6 $154 7 $154 8 $139 9 $121 10 $121 11 $121 12 $121 13 $102

Portland PDX

$78

Oct 16, 7:38am · 2h 33m · 0 stops

LAX → PDX · Frontier Airlines

Portland PDX

$84

Oct 26, 7:38am · 2h 33m · 0 stops

LAX → PDX · Frontier Airlines

This page is only September 2026 on the Los Angeles 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 Los Angeles to Portland in September 2026.