Cheapest return flights from Sofia to Basel in September from $78

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

Return flights

25 Sep - 14 Oct Wizz Air direct
27 Sep - 16 Oct Wizz Air direct
27 Sep - 14 Oct Wizz Air direct
25 Sep - 30 Sep Wizz Air direct
30 Sep - 16 Oct Wizz Air direct
30 Sep - 14 Oct Wizz Air direct
27 Sep - 30 Sep Wizz Air direct
25 Sep - 09 Oct Wizz Air direct
25 Sep - 25 Sep Wizz Air direct
27 Sep - 09 Oct Wizz Air direct
23 Sep - 30 Sep Wizz Air direct
25 Sep - 07 Oct Wizz Air direct
30 Sep - 09 Oct Wizz Air direct
25 Sep - 02 Oct Wizz Air direct
23 Sep - 25 Sep Wizz Air direct
25 Sep - 27 Sep Wizz Air direct
20 Sep - 23 Sep Wizz Air direct
23 Sep - 27 Sep Wizz Air direct
20 Sep - 27 Sep Wizz Air direct
18 Sep - 20 Sep Wizz Air direct

Also check the deals for one-way flights from Sofia 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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