Cheapest return flights from London to Basel in September from 98€

AirHint found the following cheapest return flights from London (LHR) to Basel (BSL) in September 2026 (see full year).

Return flights

21 Sep - 24 Sep British Airways direct
01 Sep - 15 Sep British Airways direct
10 Sep - 13 Sep British Airways direct
26 Sep - 28 Sep British Airways direct
13 Sep - 15 Sep British Airways direct
27 Sep - 29 Sep British Airways direct
11 Sep - 14 Sep British Airways direct
25 Sep - 27 Sep British Airways direct
01 Sep - 08 Sep British Airways direct
29 Sep - 04 Oct British Airways direct
21 Sep - 28 Sep British Airways direct
29 Sep - 06 Oct British Airways direct

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

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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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