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

Return flights

13 Aug - 18 Aug	Ryanair
28 Aug - 10 Sep	Wizz Air Malta
25 Aug - 08 Sep	Ryanair
21 Aug - 25 Aug	Ryanair
12 Aug - 18 Aug	Ryanair
21 Aug - 26 Aug	Ryanair
14 Aug - 21 Sep	Air Europa
26 Aug - 05 Sep	Wizz Air Malta
26 Aug - 27 Aug	Ryanair
21 Aug - 29 Aug	Ryanair
31 Aug - 07 Sep	Iberia
06 Aug - 11 Aug	Ryanair
19 Aug - 26 Aug	Ryanair
05 Aug - 01 Sep	Ryanair
22 Aug - 26 Aug	Ryanair
29 Aug - 02 Sep	Ryanair
05 Aug - 11 Aug	Ryanair
28 Aug - 04 Sep	Wizz Air Malta
31 Aug - 04 Sep	Wizz Air Malta
28 Aug - 02 Sep	Ryanair

Also check the deals for one-way flights from Madrid to Helsinki 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 Madrid to Helsinki in August from $219

Return flights