AirHint found the following cheapest return flights from Madrid (MAD) to Basel (BSL) in July 2025 (see full year).

Return flights

16 Jul - 22 Jul	Ryanair
03 Jul - 07 Aug	easyJet	direct
09 Jul - 15 Jul	Volotea
21 Jul - 22 Jul	Ryanair
18 Jul - 22 Jul	easyJet
11 Jul - 20 Jul	easyJet
18 Jul - 20 Jul	easyJet
23 Jul - 27 Jul	Wizz Air
02 Jul - 07 Aug	Ryanair
11 Jul - 16 Jul	easyJet
09 Jul - 18 Jul	Volotea
21 Jul - 24 Jul	Ryanair
28 Jul - 03 Aug	Ryanair
27 Jul - 04 Aug	Wizz Air Malta
28 Jul - 06 Aug	easyJet	direct
30 Jul - 05 Aug	Ryanair
27 Jul - 03 Aug	Wizz Air Malta
31 Jul - 07 Aug	Wizz Air Malta
31 Jul - 11 Aug	Wizz Air Malta
01 Jul - 06 Aug	Lufthansa

Also check the deals for one-way flights from Madrid to Basel in July.

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 Basel in July from $176

Return flights