Cheapest return WMI–BSL flights, May

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

Return flights

24 May - 25 May Wizz Air direct
27 May - 05 Jun Ryanair
24 May - 29 May Wizz Air
22 May - 25 May Wizz Air direct
20 May - 27 May Ryanair
27 May - 29 May Wizz Air
22 May - 27 May Wizz Air direct
22 May - 29 May Wizz Air
21 May - 28 May Ryanair
22 May - 24 May Wizz Air direct
31 May - 02 Jun Wizz Air
25 May - 28 May Wizz Air
31 May - 03 Jun Wizz Air direct

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

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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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