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

Return flights

03 Aug - 10 Aug	Ryanair
06 Aug - 13 Aug	KLM
14 Aug - 20 Aug	Air Dolomiti	direct
14 Aug - 18 Aug	Lufthansa	direct
10 Aug - 14 Aug	KLM
10 Aug - 14 Aug	Air Dolomiti	direct
06 Aug - 13 Aug	Lufthansa	direct
08 Aug - 10 Aug	KLM
23 Aug - 26 Aug	Lufthansa	direct
05 Aug - 07 Aug	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt to Lyon 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 Frankfurt to Lyon in August from $261

Return flights