AirHint found the following cheapest return flights from Athens (ATH) to Keflavik (KEF) in March 2026 (see full year).

Return flights

07 Mar - 16 Mar	easyJet
08 Mar - 16 Mar	easyJet
08 Mar - 14 Mar	easyJet
07 Mar - 14 Mar	easyJet
09 Mar - 16 Mar	easyJet
08 Mar - 15 Mar	easyJet
17 Mar - 23 Mar	easyJet
21 Mar - 25 Mar	easyJet
04 Mar - 15 Mar	Aegean Airlines
04 Mar - 12 Mar	SKY express
25 Mar - 02 Apr	SKY express
24 Mar - 01 Apr	easyJet
27 Mar - 01 Apr	easyJet
31 Mar - 06 Apr	Scandinavian Airlines
30 Mar - 08 Apr	Aegean Airlines

Also check the deals for one-way flights from Athens to Keflavik in March.

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 Athens to Keflavik in March from 173€

Return flights