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

Return flights

05 Apr - 08 Apr	Wizz Air	direct
08 Apr - 10 Apr	Wizz Air
10 Apr - 12 Apr	Ryanair
03 Apr - 10 Apr	Wizz Air
05 Apr - 12 Apr	Wizz Air	direct
08 Apr - 10 Apr	Wizz Air	direct
03 Apr - 05 Apr	Wizz Air
05 Apr - 06 Apr	Wizz Air	direct
06 Apr - 10 Apr	Ryanair
06 Apr - 12 Apr	Ryanair
20 Apr - 22 May	Wizz Air
24 Apr - 31 May	Wizz Air

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

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 April from $67

Return flights