Cheapest return flights from Oakland to Keflavik in March from $879

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

Return flights

04 Mar - 11 Mar Alaska Airlines
12 Mar - 19 Mar Alaska Airlines
16 Mar - 21 Mar Icelandair

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

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