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› San Francisco

San Francisco🇺🇸 United States

PHLPhiladelphia

✈ →

SFOSan Francisco

DateSunday1 Nov 2026

Departure13:30→ 16:19

2 stopsF950h 49m

€159

Book this flight →

Notify me if the price drops