PirateFly is a flight deals platform that tracks 5,000+ European flights daily, scores them on a 0-100 scale, and shows only the best deals plus tools to save on everything around the flight.

How does PirateFly find cheap flights?

PirateFly scans flight prices across hundreds of European routes multiple times per day, compares them to historical data, and calculates a deal score. Only the best deals surface to the top.

Yes, completely free. PirateFly earns a small commission when you book through partner links, at no extra cost to you.

Piratefly: We Found Flights for €9

← Back Home› Deals› United States› Portland

SFOSan Francisco

✈ →

PDXPortland

DateThursday22 Oct 2026

Departure14:43→ 16:29

DirectAS1h 46m

€49

Usually €71 — you save 31%

Book this flight →

Notify me if the price drops

↩ Return flights

Portland → San Francisco Fri 23 Oct €47 Portland → San Francisco Sun 25 Oct €48 Portland → San Francisco Tue 27 Oct €66