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

Return flights

18 Sep - 24 Sep	easyJet	direct
19 Sep - 24 Sep	easyJet	direct
22 Sep - 24 Sep	easyJet
17 Sep - 22 Sep	easyJet
18 Sep - 22 Sep	easyJet
15 Sep - 22 Sep	easyJet
19 Sep - 22 Sep	easyJet
10 Sep - 17 Sep	easyJet
28 Sep - 30 Sep	easyJet
24 Sep - 01 Oct	easyJet
10 Sep - 17 Sep	easyJet	direct
28 Sep - 01 Oct	easyJet
28 Sep - 05 Oct	easyJet
28 Sep - 05 Oct	easyJet	direct
28 Sep - 01 Oct	easyJet	direct
26 Sep - 03 Oct	easyJet	direct
24 Sep - 01 Oct	easyJet	direct

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

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 Edinburgh to Basel in September from $110

Return flights