Cheapest return flights from Stockholm to Sofia in September from 143€

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

Return flights

21 Sep - 28 Sep Ryanair
21 Sep - 25 Sep Ryanair
16 Sep - 20 Sep Ryanair
30 Sep - 05 Oct Ryanair
22 Sep - 30 Sep Scandinavian Airlines
15 Sep - 22 Sep Scandinavian Airlines
25 Sep - 30 Sep Ryanair
18 Sep - 21 Sep Lufthansa
12 Sep - 14 Sep Austrian Airlines
13 Sep - 14 Sep Austrian Airlines
06 Sep - 06 Sep Austrian Airlines

Also check the deals for one-way flights from Stockholm 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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