AirHint found the following cheapest return flights from Innsbruck (INN) to Madrid (MAD) in August 2025 (see full year).

Return flights

01 Aug - 03 Aug	Austrian Airlines
18 Aug - 22 Aug	Austrian Airlines
04 Aug - 08 Aug	Lufthansa
28 Aug - 07 Sep	Austrian Airlines
02 Aug - 04 Aug	Austrian Airlines
05 Aug - 12 Aug	easyJet
06 Aug - 13 Aug	easyJet
20 Aug - 27 Aug	easyJet
13 Aug - 20 Aug	KLM
19 Aug - 26 Aug	easyJet
26 Aug - 29 Aug	easyJet
29 Aug - 02 Sep	Austrian Airlines
29 Aug - 01 Sep	Austrian Airlines
27 Aug - 03 Sep	easyJet

Also check the deals for one-way flights from Innsbruck to Madrid 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 Innsbruck to Madrid in August from $319

Return flights