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

Return flights

03 Jun - 23 Jun	Alaska Airlines
30 Jun - 07 Jul	Alaska Airlines
01 Jun - 27 Jun	Icelandair
06 Jun - 27 Jun	Icelandair
01 Jun - 15 Jun	Alaska Airlines
10 Jun - 04 Jul	Alaska Airlines
03 Jun - 27 Jun	Icelandair
23 Jun - 18 Jul	Alaska Airlines
05 Jun - 27 Jun	Alaska Airlines
13 Jun - 26 Jun	Alaska Airlines
08 Jun - 04 Jul	Alaska Airlines
08 Jun - 27 Jun	Icelandair
04 Jun - 07 Jun	Alaska Airlines
17 Jun - 11 Jul	Alaska Airlines
12 Jun - 04 Jul	Alaska Airlines
25 Jun - 11 Jul	Alaska Airlines
13 Jun - 04 Jul	Alaska Airlines
07 Jun - 27 Jun	Icelandair
19 Jun - 11 Jul	Alaska Airlines
18 Jun - 11 Jul	Alaska Airlines

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

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 Oakland to Barcelona in June from $1330

Return flights