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

Return flights

20 Apr - 26 Apr	Lufthansa
16 Apr - 21 Apr	Lufthansa
20 Apr - 24 Apr	Lufthansa
06 Apr - 12 Apr	Lufthansa
08 Apr - 14 Apr	Lufthansa
03 Apr - 06 Apr	Aegean Airlines
05 Apr - 12 Apr	Austrian Airlines
05 Apr - 13 Apr	Austrian Airlines

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

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 Thessaloniki to Keflavik in April from 312€

Return flights