AirHint found the following cheapest return flights from Reykjavik (REK) to Sofia (SOF) in August 2025 (see full year).

Return flights

28 Aug - 11 Sep	Wizz Air Malta
14 Aug - 14 Sep	Wizz Air
26 Aug - 10 Sep	Wizz Air
25 Aug - 14 Sep	Eurowings
14 Aug - 08 Sep	Wizz Air
25 Aug - 11 Sep	Eurowings
25 Aug - 15 Sep	Eurowings
16 Aug - 30 Aug	Wizz Air
19 Aug - 09 Sep	Lufthansa
22 Aug - 07 Sep	Fly Play
26 Aug - 08 Sep	Wizz Air

Also check the deals for one-way flights from Reykjavik to Sofia in August.

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 Reykjavik to Sofia in August from 202€

Return flights