AirHint found the following cheapest return flights from San Antonio (SAT) to Frankfurt (FRA) in August 2025 (see full year).

Return flights

14 Aug - 28 Aug	Spirit Airlines
11 Aug - 22 Aug	Spirit Airlines
29 Aug - 05 Sep	Spirit Airlines
29 Aug - 12 Sep	Spirit Airlines
01 Aug - 15 Aug	Spirit Airlines
30 Aug - 06 Sep	United
30 Aug - 13 Sep	Lufthansa

Also check the deals for one-way flights from San Antonio to Frankfurt in August.

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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Cheapest return flights from San Antonio to Frankfurt in August from 568€

Return flights