Oakland, East Bay (OAK) to Barcelona (BCN) cheap flight deal from $488 USD in economy class

DLDelta Air Lines

Round Trip•Economy

OAK

Oakland International Airport

Oakland, East Bay, United States

BCN

Barcelona Airport

Barcelona, Spain

$955 USD

-49%$488 USD

Verified Sep 20, 2025 at 6:49 PM

September 2025

Today

Mon

Tue

Wed

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Sun

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20$592 21$505 22$493 23$948 24$948 25$1,431 26$736 27$501 28$501 29$961 30$506 1$501 2$551 3$1,023 4$501 5$674

Limited Availability

15% of dates checked are available within 10% of the lowest price

Monday, September 29th, 2025

10 round-trip options

Returning

Sat, Oct 4, 2025•5 Day Trip

$1,457 USD

Google Flights

Returning

Sun, Oct 5, 2025•6 Day Trip

$1,710 USD

Google Flights

Returning

Mon, Oct 6, 2025•7 Day Trip

$1,420 USD

Google Flights

Returning

Tue, Oct 7, 2025•8 Day Trip

$961 USD

Google Flights

Returning

Wed, Oct 8, 2025•9 Day Trip

$961 USD

Google Flights

Returning

Thu, Oct 9, 2025•10 Day Trip

$961 USD

Google Flights

Returning

Fri, Oct 10, 2025•11 Day Trip

$1,133 USD

Google Flights

Returning

Sat, Oct 11, 2025•12 Day Trip

$1,645 USD

Google Flights

Returning

Sun, Oct 12, 2025•13 Day Trip

$2,066 USD

Google Flights

Returning

Mon, Oct 13, 2025•14 Day Trip

$1,710 USD

Google Flights