Cheapest return flights from Oakland to Keflavik in June from $1037

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

Return flights

18 Jun - 04 Jul Alaska Airlines
26 Jun - 07 Jul Icelandair

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

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