Cheapest one-way flights from St. Louis to Frankfurt in May from 301€

Best time to book flights for St. Louis (STL) to Frankfurt (FRA) flights at AirHint

AirHint found the following cheapest one-way flights from St. Louis (STL) to Frankfurt (FRA) in May 2025 (see full year).

One-Way flights

02 May Frontier Airlines
01 May Southern Airways Express
20 May Finnair
02 May Lufthansa direct

Also check the deals for return flights from St. Louis to Frankfurt in May.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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