Cheapest return flights from London to Basel in September from $76

Best time to book flights for London (LON) to Basel (BSL) flights at AirHint

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

Return flights

18 Sep - 23 Sep easyJet direct
11 Sep - 16 Sep easyJet direct
01 Sep - 08 Sep Ryanair direct
03 Sep - 08 Sep Ryanair direct
06 Sep - 08 Sep Ryanair direct
08 Sep - 10 Sep Ryanair direct
08 Sep - 13 Sep Ryanair direct
04 Sep - 07 Sep easyJet direct
11 Sep - 14 Sep easyJet direct
06 Sep - 09 Sep Ryanair direct
30 Sep - 01 Oct British Airways direct
15 Sep - 01 Oct Ryanair direct
15 Sep - 02 Oct Ryanair
15 Sep - 04 Oct Ryanair direct
29 Sep - 06 Oct Wizz Air UK
17 Sep - 01 Oct Ryanair direct
24 Sep - 01 Oct Ryanair direct
24 Sep - 11 Oct Ryanair direct
17 Sep - 02 Oct Ryanair
17 Sep - 07 Oct Ryanair

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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