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

Return flights

24 Sep - 03 Oct	easyJet
09 Sep - 02 Oct	easyJet
25 Sep - 30 Sep	easyJet
23 Sep - 25 Sep	easyJet
08 Sep - 03 Oct	easyJet
10 Sep - 03 Oct	Ryanair
14 Sep - 17 Sep	easyJet
15 Sep - 24 Sep	easyJet
22 Sep - 24 Sep	easyJet
05 Sep - 17 Sep	Ryanair
26 Sep - 05 Oct	Ryanair
15 Sep - 29 Sep	Ryanair	direct
10 Sep - 29 Sep	Ryanair	direct
21 Sep - 27 Sep	easyJet
15 Sep - 24 Sep	Ryanair	direct
24 Sep - 08 Oct	Ryanair	direct
29 Sep - 08 Oct	Ryanair	direct
19 Sep - 08 Oct	Ryanair	direct
29 Sep - 15 Oct	Ryanair	direct
26 Sep - 08 Oct	Ryanair	direct

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 80€

Return flights