Cheapest return flights from St. Louis to Frankfurt in May from 763€

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

Return flights

11 May - 08 Jun Southern Airways Express
04 May - 31 May Frontier Airlines
11 May - 25 May Southern Airways Express
08 May - 22 May Frontier Airlines
10 May - 26 May Frontier Airlines
03 May - 10 May Frontier Airlines
26 May - 08 Jun Frontier Airlines
10 May - 16 May Frontier Airlines
19 May - 09 Jun Condor
27 May - 10 Jun Frontier Airlines
27 May - 03 Jun Frontier Airlines
29 May - 03 Jun Condor
27 May - 12 Jun Frontier Airlines
27 May - 17 Jun Alaska Airlines
26 May - 16 Jun Frontier Airlines
12 May - 19 May Lufthansa
06 May - 13 May Lufthansa
04 May - 11 May Lufthansa
08 May - 15 May Lufthansa
31 May - 07 Jun Lufthansa direct

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

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