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

Return flights

18 Jun - 24 Jun	easyJet
17 Jun - 24 Jun	Lufthansa
19 Jun - 25 Jun	easyJet	direct
17 Jun - 19 Jun	Lufthansa
19 Jun - 23 Jun	easyJet	direct
18 Jun - 25 Jun	easyJet	direct
18 Jun - 26 Jun	easyJet	direct
17 Jun - 21 Jun	KLM
26 Jun - 30 Jun	Lufthansa
23 Jun - 24 Jun	easyJet
27 Jun - 01 Jul	Lufthansa
27 Jun - 04 Jul	Lufthansa
30 Jun - 03 Jul	Iberia
23 Jun - 03 Jul	Volotea
14 Jun - 05 Jul	Lufthansa
30 Jun - 04 Jul	Lufthansa
30 Jun - 06 Jul	Iberia
30 Jun - 05 Jul	Lufthansa
23 Jun - 03 Jul	easyJet	direct
29 Jun - 02 Jul	Ryanair

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

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 June from $206

Return flights