Cheapest return flights from St. Louis to Frankfurt in May from 914€

AirHint found the following cheapest return flights from St. Louis (STL) to Frankfurt (FRA) in May 2026 (see full year).

Return flights

05 May - 19 May Aer Lingus
06 May - 20 May Delta
06 May - 20 May Lufthansa direct
04 May - 11 May Lufthansa
09 May - 16 May Lufthansa
14 May - 21 May Lufthansa
27 May - 20 Jun WestJet
27 May - 14 Jun United
24 May - 31 May Lufthansa direct

Also check the deals for one-way flights from St. Louis to Frankfurt in May.

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