Cheapest one-way flights from Basel to Sofia in September from $36

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

One-Way flights

04 Sep Wizz Air direct
18 Sep Wizz Air direct
02 Sep Wizz Air direct
16 Sep Wizz Air direct
06 Sep Wizz Air direct
25 Sep Wizz Air direct
30 Sep easyJet
27 Sep Ryanair
29 Sep Ryanair
19 Sep British Airways

Also check the deals for return flights from Basel to Sofia 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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