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

Return flights

30 Aug - 12 Sep	Iberia	direct
30 Aug - 05 Sep	Iberia	direct
30 Aug - 03 Sep	Iberia
31 Aug - 12 Sep	Iberia	direct
30 Aug - 03 Sep	Iberia	direct
30 Aug - 04 Sep	Iberia
30 Aug - 13 Sep	Iberia
30 Aug - 06 Sep	Iberia
27 Aug - 03 Sep	Wizz Air Malta
31 Aug - 06 Sep	Iberia
23 Aug - 31 Aug	Iberia	direct
23 Aug - 27 Aug	Iberia
30 Aug - 31 Aug	Iberia
23 Aug - 28 Aug	Iberia
24 Aug - 31 Aug	Iberia	direct
23 Aug - 25 Aug	Iberia
23 Aug - 30 Aug	Iberia
25 Aug - 31 Aug	Iberia	direct
28 Aug - 31 Aug	Wizz Air Malta
29 Aug - 31 Aug	Vueling Airlines

Also check the deals for one-way flights from Madrid to Mykonos 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 Mykonos in August from 154€

Return flights