AirHint found the following cheapest return flights from Lisbon (LIS) to Basel (BSL) in October 2025 (see full year).

Return flights

02 Oct - 08 Oct	easyJet	direct
02 Oct - 07 Oct	easyJet	direct
16 Oct - 21 Oct	easyJet	direct
02 Oct - 06 Oct	easyJet	direct
15 Oct - 22 Oct	easyJet	direct
07 Oct - 09 Oct	easyJet	direct
22 Oct - 27 Oct	easyJet
16 Oct - 18 Oct	easyJet	direct
04 Oct - 03 Nov	easyJet	direct
22 Oct - 27 Oct	easyJet	direct
09 Oct - 13 Oct	easyJet

Also check the deals for one-way flights from Lisbon to Basel in October.

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 Lisbon to Basel in October from 58€

Return flights