Cheapest return flights from Sofia to Keflavik in August from $364

Best time to book flights for Sofia (SOF) to Keflavik (KEF) flights at AirHint

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

Return flights

23 Aug - 01 Sep Austrian Airlines
17 Aug - 24 Aug Ryanair
15 Aug - 23 Aug Ryanair
03 Aug - 08 Aug Ryanair
02 Aug - 09 Aug Ryanair
18 Aug - 23 Aug Wizz Air
04 Aug - 12 Aug Wizz Air
06 Aug - 16 Aug Ryanair
16 Aug - 23 Aug Ryanair
01 Aug - 01 Aug Ryanair

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

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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