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

Return flights

04 Sep - 08 Sep	easyJet	direct
03 Sep - 04 Sep	easyJet	direct
18 Sep - 22 Sep	easyJet	direct
19 Sep - 25 Sep	easyJet	direct
16 Sep - 17 Sep	easyJet	direct
04 Sep - 14 Sep	easyJet	direct
15 Sep - 17 Sep	easyJet	direct
15 Sep - 16 Sep	easyJet	direct
21 Sep - 23 Sep	easyJet	direct

Also check the deals for one-way flights from Nice 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 Nice to Basel in September from 55€

Return flights