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› St Louis

CHIChicago

✈ →

STLSt Louis

DateSaturday31 Oct 2026

Departure12:27→ 13:55

DirectUA1h 28m

€50

Usually €84 — you save 40%

Book this flight →

Notify me if the price drops

↩ Return flights

St Louis → Chicago Tue 24 Nov €48 St Louis → Chicago Sun 8 Nov €104 St Louis → Chicago Sun 22 Nov €146