Cheapest return flights from London to Basel in September from $100

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

Return flights

03 Sep - 10 Sep British Airways direct
07 Sep - 10 Sep British Airways direct
12 Sep - 17 Sep British Airways direct
14 Sep - 16 Sep British Airways direct
21 Sep - 22 Sep British Airways direct
20 Sep - 21 Sep British Airways direct
17 Sep - 18 Sep British Airways direct
12 Sep - 14 Sep British Airways direct
12 Sep - 19 Sep British Airways direct
16 Sep - 19 Sep British Airways direct
24 Sep - 01 Oct British Airways direct
27 Sep - 01 Oct British Airways direct

Also check the deals for one-way flights from London to Basel in September.

Skyscanner

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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