HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona

$324+ Cheap flights from Oakland, CA (OAK) to Barcelona

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — BCN
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oakland to Barcelona with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Oakland to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 29, 2025.

Round-trip from

$504
(Delta)

One-way from

$398
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$642
From Oakland to Barcelona
Search Deals
One-way flight from Oakland to Barcelona
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Oakland to Barcelona

Cheapest flights from Oakland to Barcelona
Explore the most affordable flight options available from Oakland to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:55 amOAK - BCN
2 stops25h 05mDelta
Tue 11/1111:10 amBCN - OAK
2 stops57h 38mDelta
Deal found 9/27$504
This American Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:15 amOAK - BCN
2 stops19h 15mMultiple Airlines
Tue 10/710:45 amBCN - OAK
2 stops22h 18mMultiple Airlines
Deal found 9/27$508
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:55 amOAK - BCN
2 stops24h 05mDelta
Wed 11/1910:55 amBCN - OAK
2 stops33h 53mDelta
Deal found 9/28$512
This Air France deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:55 amOAK - BCN
2 stops23h 05mMultiple Airlines
Tue 11/185:25 pmBCN - OAK
2 stops31h 46mMultiple Airlines
Deal found 9/27$513
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:55 amOAK - BCN
2 stops20h 15mDelta
Tue 11/186:00 amBCN - OAK
2 stops27h 03mDelta
Deal found 9/27$514
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:05 pmOAK - BCN
2 stops27h 55mDelta
Tue 10/711:05 amBCN - OAK
2 stops45h 48mDelta
Deal found 9/27$515
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3012:37 pmOAK - BCN
2 stops42h 03mDelta
Tue 10/71:20 pmBCN - OAK
2 stops43h 33mDelta
Deal found 9/27$519
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:00 amOAK - BCN
2 stops26h 10mDelta
Thu 10/96:10 amBCN - OAK
2 stops19h 01mDelta
Deal found 9/27$520
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2712:37 pmOAK - BCN
2 stops33h 38mDelta
Thu 10/96:10 amBCN - OAK
2 stops26h 43mDelta
Deal found 9/27$521
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3012:37 pmOAK - BCN
2 stops43h 33mDelta
Fri 10/106:10 amBCN - OAK
2 stops26h 43mDelta
Deal found 9/27$525
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2712:37 pmOAK - BCN
2 stops33h 38mDelta
Mon 10/69:55 amBCN - OAK
2 stops46h 58mDelta
Deal found 9/27$533
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:55 amOAK - BCN
2 stops20h 15mDelta
Sat 11/1511:10 amBCN - OAK
2 stops45h 53mDelta
Deal found 9/27$564

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland to Barcelona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 29, 2025.
Use the filters below to find and compare flights from Oakland to Barcelona that are best for you.

Fly from

Oakland

Fly to

Barcelona

Route

Depart

Return

Price

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Wed 11/12

5:55 am-5:05 pm

2 stops26h 10m

Barcelona-El Prat

Wed 11/19

10:55 am-11:48 am

2 stops33h 53m

$512

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Tue 11/11

5:55 am-5:05 pm

2 stops26h 10m

Barcelona-El Prat

Tue 11/18

11:10 am-12:03 am

2 stops45h 53m

$514

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Mon 2/16

5:05 pm-3:00 pm

2 stops36h 55m

Barcelona-El Prat

Mon 2/23

1:00 pm-11:53 pm

2 stops43h 53m

$519

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Mon 11/10

5:55 am-11:10 am

2 stops20h 15m

Barcelona-El Prat

Sun 11/16

11:10 am-4:11 pm

2 stops38h 01m

$564

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 11/9

5:55 am-11:10 am

2 stops20h 15m

Barcelona-El Prat

Fri 11/14

6:00 am-4:11 pm

2 stops19h 11m

$613

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 2/22

5:55 am-2:00 pm

2 stops23h 05m

Barcelona-El Prat

Thu 2/26

1:00 pm-4:34 pm

2 stops36h 34m

$613

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 2/14

1:15 pm-5:05 pm

2 stops42h 50m

Barcelona-El Prat

Mon 2/23

11:10 am-4:34 pm

2 stops38h 24m

$623

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Thu 11/13

5:55 am-11:10 am

2 stops20h 15m

Barcelona-El Prat

Mon 11/17

1:00 pm-4:11 pm

2 stops36h 11m

$663

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Tue 11/11

5:55 am-2:00 pm

2 stops23h 05m

Barcelona-El Prat

Sat 11/15

6:00 am-9:39 pm

2 stops24h 39m

$663

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Thu 2/12

5:55 am-11:10 am

2 stops20h 15m

Barcelona-El Prat

Mon 2/23

11:10 am-4:34 pm

2 stops38h 24m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Showing 1-10 of 20 results
1
2

Best time to book a flight from Oakland to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona from Oakland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oakland to Barcelona

What is the cheapest month to book a flight from Oakland, California to Barcelona?

Currently, January is the cheapest month in which you can book a flight from Oakland, California to Barcelona (average of $523). Flying from Oakland, California to Barcelona in June is currently the most expensive (average of $1,059). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OAK to BCN?

Find hourly flight availability from Oakland to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Oakland, California to Barcelona in the evening. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Oakland to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Oakland to Barcelona?

    Oakland (OAK), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Oakland to Barcelona. 0 airlines have flights from Oakland to Barcelona on a regular basis. Booking flights from Oakland to Barcelona should not be difficult; the airport handles an average of 0 outbound flights to Barcelona per day.

  • How long is the flight from Oakland, California to Barcelona?

    Airlines like Delta fly from Oakland, California to Barcelona in about 26h 10m. The time it takes to get you to your destination can typically vary by up to . The distance between Oakland, California and Barcelona is about 5942 mi.

  • Can I find deals for flights from Oakland to Barcelona that include hotel bookings?

    Yes. In addition to deals on Oakland to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oakland to Barcelona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oakland to Barcelona.

  • Can I find deals for business class flights from Oakland to Barcelona?

    Yes. Cheapflights offers flight deals from Oakland to Barcelona by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oakland, California to Barcelona?

    Currently, January is the cheapest month in which you can book a flight from Oakland, California to Barcelona (average of $523). Flying from Oakland, California to Barcelona in June is currently the most expensive (average of $1,059). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oakland to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Barcelona-El Prat flights
Los Angeles to Barcelona-El Prat flights
Santa Ana to Barcelona-El Prat flights
San Jose to Barcelona-El Prat flights
Ontario to Barcelona-El Prat flights
San Diego to Barcelona-El Prat flights
Oakland to Barcelona-El Prat flights
Las Vegas to Barcelona-El Prat flights
Burbank to Barcelona-El Prat flights
Sacramento to Barcelona-El Prat flights
Long Beach to Barcelona-El Prat flights
Santa Barbara to Barcelona-El Prat flights
Fresno to Barcelona-El Prat flights
Palm Springs to Barcelona-El Prat flights
San Luis Obispo to Barcelona-El Prat flights
Reno to Barcelona-El Prat flights
Monterey to Barcelona-El Prat flights
Medford to Barcelona-El Prat flights
San Francisco to Costa Brava flights
San Francisco to Lleida flights
San Francisco to Reus flights
Los Angeles to Reus flights
Los Angeles to Costa Brava flights
Las Vegas to Costa Brava flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.