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

Return flights

08 Oct - 15 Oct	Ryanair	direct
01 Oct - 15 Oct	Ryanair	direct
08 Oct - 22 Oct	Ryanair	direct
08 Oct - 20 Oct	Ryanair	direct
01 Oct - 20 Oct	Ryanair	direct
01 Oct - 08 Oct	Ryanair	direct
06 Oct - 15 Oct	Ryanair	direct
11 Oct - 15 Oct	Ryanair	direct
13 Oct - 15 Oct	Ryanair	direct
04 Oct - 15 Oct	Ryanair	direct

Also check the deals for one-way flights from London 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 London to Basel in October from $81

Return flights