AirHint found the following cheapest return flights from Basel (BSL) to Barcelona (BCN) in May 2026 (see full year).

Return flights

27 May - 06 Jun	easyJet	direct
28 May - 01 Jun	easyJet	direct
23 May - 06 Jun	easyJet	direct
22 May - 24 May	easyJet	direct
21 May - 24 May	Wizz Air
13 May - 25 May	Wizz Air Malta
12 May - 25 May	KLM
09 May - 11 May	Air France
01 May - 03 May	Wizz Air
08 May - 11 May	Air France
07 May - 07 May	Air France

Also check the deals for one-way flights from Basel to Barcelona in May.

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 Basel to Barcelona in May from 112€

Return flights