Cheapest return flights from Oakland to Barcelona in May from $1026

AirHint found the following cheapest return flights from Oakland (OAK) to Barcelona (BCN) in May 2026 (see full year).

Return flights

04 May - 11 May Icelandair
02 May - 23 May Icelandair
13 May - 06 Jun Icelandair
01 May - 23 May Icelandair
15 May - 29 May Icelandair
17 May - 06 Jun Alaska Airlines
20 May - 13 Jun Alaska Airlines
18 May - 13 Jun Alaska Airlines
24 May - 13 Jun Alaska Airlines
31 May - 07 Jun Icelandair
31 May - 20 Jun Alaska Airlines
30 May - 20 Jun Alaska Airlines

Also check the deals for one-way flights from Oakland to Barcelona in May.

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