Cheapest return flights from Santander to Keflavik in March from $231

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

Return flights

16 Mar - 23 Mar Ryanair
12 Mar - 16 Mar Vueling Airlines
23 Mar - 26 Mar Ryanair
28 Mar - 08 Apr Ryanair
28 Mar - 07 Apr Ryanair
30 Mar - 02 Apr Vueling Airlines
30 Mar - 03 Apr Vueling Airlines
28 Mar - 06 Apr Ryanair
26 Mar - 02 Apr Vueling Airlines
29 Mar - 03 Apr Vueling Airlines
27 Mar - 02 Apr Vueling Airlines
26 Mar - 01 Apr Vueling Airlines
27 Mar - 01 Apr Vueling Airlines
14 Mar - 21 Mar Iberia

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

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