Cheapest Time to Fly from St. Louis to Germany

Based on historical fare data (Google Flights, Kayak, Hopper):

Best Window

October–April (excluding holidays) – "Shoulder/off-season" yields lowest fares.

Cheapest months: January–March (post-holiday, pre-spring break), November (pre-Christmas).
Most expensive: June–August (summer peak), December (Christmas markets), April (Easter/Spring Break).

Fly midweek: Tue/Wed/Thu departures often 10–20% cheaper than Fri/Sun.
Book 2–5 months out: Transatlantic sweet spot.
Consider nearby airports: Frankfurt (FRA), Munich (MUC), Berlin (BER), Düsseldorf (DUS)—compare.
Set alerts: Google Flights, Skyscanner, Hopper for price drops.
Be flexible: ±3 days can save hundreds.

Sample low fare: STL→FRA ~$550–$750 roundtrip in Jan/Feb (basic economy); summer ~$1,000–$1,400.

Europe