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

Return flights

04 Mar - 16 Mar	easyJet
01 Mar - 09 Mar	Wizz Air UK
07 Mar - 21 Mar	easyJet
01 Mar - 05 Mar	Wizz Air UK
07 Mar - 14 Mar	easyJet
06 Mar - 16 Mar	SKY express
09 Mar - 16 Mar	Wizz Air UK
10 Mar - 17 Mar	Wizz Air UK
01 Mar - 06 Mar	Wizz Air UK
13 Mar - 21 Mar	SKY express
25 Mar - 01 Apr	SKY express
27 Mar - 04 Apr	easyJet
28 Mar - 04 Apr	easyJet
30 Mar - 06 Apr	Scandinavian Airlines
25 Mar - 03 Apr	SKY express
29 Mar - 04 Apr	SKY express

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 $212

Return flights