Cheapest return flights from London to Basel in September from $130

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

Return flights

13 Sep - 22 Sep British Airways direct
10 Sep - 15 Sep British Airways direct
09 Sep - 14 Sep Lufthansa

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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