Cheapest return flights from St. Louis to Frankfurt in October from $712

AirHint found the following cheapest return flights from St. Louis (STL) to Frankfurt (FRA) in October 2025 (see full year).

Return flights

19 Oct - 02 Nov Spirit Airlines
07 Oct - 28 Oct Frontier Airlines
09 Oct - 16 Oct Spirit Airlines
10 Oct - 30 Oct Frontier Airlines
27 Oct - 03 Nov United
30 Oct - 06 Nov United
19 Oct - 02 Nov Lufthansa direct
01 Oct - 22 Oct Hawaiian Airlines
01 Oct - 09 Oct Hawaiian Airlines
01 Oct - 08 Oct Hawaiian Airlines
15 Oct - 22 Oct Lufthansa direct
08 Oct - 29 Oct Alaska Airlines
21 Oct - 28 Oct Lufthansa
24 Oct - 31 Oct Lufthansa direct

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

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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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