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

Return flights

02 Sep - 10 Sep	easyJet	direct
03 Sep - 10 Sep	easyJet	direct
08 Sep - 10 Sep	easyJet	direct
15 Sep - 18 Sep	easyJet	direct
17 Sep - 18 Sep	easyJet	direct
18 Sep - 23 Sep	easyJet	direct
01 Sep - 10 Sep	easyJet	direct
05 Sep - 12 Sep	easyJet	direct
08 Sep - 15 Sep	easyJet	direct
29 Sep - 06 Oct	easyJet	direct
11 Sep - 16 Sep	easyJet	direct

Also check the deals for one-way flights from Basel to Berlin 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 Basel to Berlin in September from 59€

Return flights