Cheapest one-way flights from Santa Rosa to Portland in September from 289€

AirHint found the following cheapest one-way flights from Santa Rosa (STS) to Portland (PDX) in September 2025 (see full year).

One-Way flights

28 Sep Hawaiian Airlines
28 Sep Alaska Airlines direct

Also check the deals for return flights from Santa Rosa to Portland in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Portland

Cheap car rent in Portland

Feel free to contact us with any feedback or request another flight research.