Cheapest return SKG–KEF flights, May

AirHint found the following cheapest return flights from Thessaloniki (SKG) to Keflavik (KEF) in May 2026 (see full year).

Return flights

20 May - 24 May Ryanair
13 May - 24 May Ryanair
19 May - 24 May Ryanair
13 May - 20 May Ryanair
13 May - 22 May Ryanair
04 May - 10 May Ryanair
12 May - 16 May Ryanair
24 May - 27 May Ryanair
02 May - 09 May Wizz Air
14 May - 23 May Ryanair
31 May - 06 Jun easyJet
02 May - 02 Jun Wizz Air
29 May - 10 Jun Ryanair

Also check the deals for one-way flights from Thessaloniki to Keflavik in May.

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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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