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

DateSunday11 Oct 2026

Departure00:44→ 15:13

1 stopF914h 29m

€134

Book this flight →Check hotels in San Francisco

Notify me if the price drops