Cheapest return flights from Thessaloniki to Keflavik in May from $283

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

Return flights

14 May - 22 May Lufthansa
18 May - 24 May Ryanair
30 May - 07 Jun easyJet
23 May - 31 May Ryanair
14 May - 21 May Lufthansa
23 May - 30 May Aegean Airlines
25 May - 31 May Ryanair
25 May - 30 May Ryanair
31 May - 07 Jun Ryanair
24 May - 01 Jun LOT
23 May - 01 Jun Lufthansa
26 May - 01 Jun Aegean Airlines
24 May - 31 May LOT
22 May - 31 May Ryanair
29 May - 07 Jun Air Serbia
24 May - 30 May Austrian Airlines
25 May - 01 Jun Ryanair
28 May - 04 Jun Ryanair
27 May - 03 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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