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

Return flights

24 May - 27 May	Wizz Air	direct
24 May - 28 May	Wizz Air
27 May - 31 May	Wizz Air
22 May - 27 May	Wizz Air	direct
27 May - 31 May	Wizz Air	direct
25 May - 01 Jun	Wizz Air
29 May - 08 Jun	Wizz Air	direct
21 May - 24 May	Ryanair
21 May - 27 May	Lufthansa
25 May - 01 Jun	Wizz Air	direct
30 May - 06 Jun	LOT
15 May - 21 May	Ryanair
18 May - 21 May	Wizz Air Malta
11 May - 16 May	Wizz Air

Also check the deals for one-way flights from Warsaw to Basel 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 Warsaw to Basel in May from $92

Return flights