Cheapest return flights from Frankfurt to Basel in April from $142

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

Return flights

02 Apr - 05 Apr SWISS direct
05 Apr - 12 Apr Lufthansa direct
02 Apr - 04 Apr SWISS direct
09 Apr - 13 Apr SWISS direct
05 Apr - 05 Apr KLM
22 Apr - 23 Apr Ryanair
15 Apr - 24 Apr Ryanair
05 Apr - 05 Apr Lufthansa direct

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

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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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