Cheapest return flights from Madrid to Basel in September from $69

Best time to book flights for Madrid (MAD) to Basel (BSL) flights at AirHint

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

Return flights

16 Sep - 23 Sep easyJet direct
03 Sep - 10 Sep easyJet direct
05 Sep - 08 Sep easyJet direct
09 Sep - 11 Sep easyJet direct
24 Sep - 22 Oct easyJet direct
10 Sep - 14 Sep easyJet
04 Sep - 14 Sep easyJet
05 Sep - 07 Sep easyJet direct
12 Sep - 18 Sep easyJet direct
16 Sep - 18 Sep Air Europa
16 Sep - 18 Sep easyJet direct

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

Skyscanner

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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