Cheapest return flights from Treviso to Basel in April from $234

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

Return flights

04 Apr - 13 Apr Ryanair
06 Apr - 10 Apr Ryanair

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

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