Cheapest return flights from Copenhagen to Basel in September from $74

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

Return flights

01 Sep - 05 Sep Norwegian Air Sweden AOC direct
01 Sep - 03 Sep easyJet direct
26 Sep - 13 Oct Norwegian Air Sweden AOC direct
29 Sep - 13 Oct Norwegian Air Sweden AOC direct
12 Sep - 15 Sep easyJet direct
26 Sep - 29 Sep easyJet direct
05 Sep - 08 Sep easyJet direct
11 Sep - 15 Sep easyJet direct
26 Sep - 03 Oct easyJet direct
05 Sep - 07 Sep easyJet direct
12 Sep - 14 Sep easyJet direct
02 Sep - 05 Sep easyJet direct
11 Sep - 14 Sep easyJet direct
26 Sep - 10 Oct Norwegian Air Sweden AOC direct
22 Sep - 10 Oct Norwegian Air Sweden AOC direct
22 Sep - 03 Oct Norwegian Air Sweden AOC direct
19 Sep - 03 Oct Norwegian Air Sweden AOC direct
29 Sep - 10 Oct Norwegian Air Sweden AOC direct
29 Sep - 17 Oct Norwegian Air Sweden AOC direct
29 Sep - 03 Oct Norwegian Air Sweden AOC direct

Also check the deals for one-way flights from Copenhagen 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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