Cheapest return flights from Sofia to Basel in September from $130

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

Return flights

25 Sep - 11 Oct Wizz Air direct
30 Sep - 16 Oct Wizz Air direct
25 Sep - 25 Sep Wizz Air direct
30 Sep - 11 Oct Wizz Air direct
16 Sep - 18 Sep Wizz Air direct
23 Sep - 11 Oct Wizz Air direct
16 Sep - 25 Sep Wizz Air direct
23 Sep - 25 Sep Wizz Air direct
16 Sep - 20 Sep Lufthansa
25 Sep - 27 Sep Lufthansa
30 Sep - 18 Oct Wizz Air direct
11 Sep - 11 Sep Wizz Air direct
13 Sep - 17 Sep Ryanair
11 Sep - 18 Sep Wizz Air direct
11 Sep - 16 Sep Wizz Air direct
27 Sep - 16 Oct Wizz Air direct
27 Sep - 11 Oct Wizz Air direct

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

Skyscanner

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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