Cheapest return flights from Thessaloniki to Keflavik in August from $365

Best time to book flights for Thessaloniki (SKG) to Keflavik (KEF) flights at AirHint

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

Return flights

20 Aug - 27 Aug Ryanair
25 Aug - 29 Aug Ryanair
27 Aug - 31 Aug Ryanair
09 Aug - 17 Aug Ryanair
31 Aug - 06 Sep Ryanair
12 Aug - 19 Aug Ryanair
31 Aug - 01 Sep SKY express
21 Aug - 25 Aug Ryanair
12 Aug - 15 Aug Ryanair
01 Aug - 08 Aug Ryanair
08 Aug - 14 Aug transavia
18 Aug - 26 Aug Ryanair

Also check the deals for one-way flights from Thessaloniki 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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