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

Return flights

24 May - 06 Jun	Vueling Airlines	direct
08 May - 11 May	easyJet	direct
06 May - 06 May	easyJet
21 May - 24 May	easyJet	direct
05 May - 05 May	easyJet
09 May - 11 May	easyJet	direct
04 May - 04 May	easyJet
20 May - 20 May	easyJet
19 May - 19 May	easyJet
01 May - 03 May	easyJet
18 May - 18 May	easyJet

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 $88

Return flights