AirHint found the following cheapest return flights from Edinburgh (EDI) to Sofia (SOF) in September 2026 (see full year).

Return flights

29 Sep - 06 Oct	Ryanair	direct
25 Sep - 06 Oct	Ryanair	direct
29 Sep - 30 Sep	Ryanair
01 Sep - 13 Sep	Ryanair	direct
06 Sep - 13 Sep	Ryanair	direct
08 Sep - 13 Sep	Ryanair	direct
08 Sep - 22 Sep	Ryanair	direct
06 Sep - 22 Sep	Ryanair	direct
01 Sep - 04 Sep	Ryanair	direct
03 Sep - 07 Sep	Austrian Airlines

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

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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Cheapest return flights from Edinburgh to Sofia in September from $137

Return flights