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Barcelona-El Prat

$382+ Cheap flights from Oakland, CA (OAK) to Barcelona-El Prat (BCN)

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — BCN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Oakland to Barcelona-El Prat

Cheapest flights from Oakland to Barcelona-El Prat
Explore the most affordable flight options available from Oakland to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Delta deal was found by Cheapflights users on 12/11. 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.
Thu 12/255:53 amOAK - BCN
2 stops25h 37mDelta
Wed 1/2110:55 amBCN - OAK
2 stops33h 57mDelta
Deal found 12/11$913
This Delta deal was found by Cheapflights users on 12/11. 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.
Thu 12/255:53 amOAK - BCN
2 stops28h 12mDelta
Thu 1/226:00 amBCN - OAK
2 stops26h 53mDelta
Deal found 12/11$915
This Delta deal was found by Cheapflights users on 12/11. 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.
Thu 12/255:53 amOAK - BCN
2 stops25h 37mDelta
Sun 1/186:00 amBCN - OAK
2 stops24h 38mDelta
Deal found 12/11$965
This Delta deal was found by Cheapflights users on 12/11. 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 12/245:53 amOAK - BCN
2 stops43h 32mDelta
Wed 1/2110:55 amBCN - OAK
2 stops33h 57mDelta
Deal found 12/11$968
This Delta deal was found by Cheapflights users on 12/11. 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 12/245:53 amOAK - BCN
2 stops28h 12mDelta
Mon 1/191:00 pmBCN - OAK
2 stops36h 14mDelta
Deal found 12/11$970
This Delta deal was found by Cheapflights users on 12/11. 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 12/234:50 pmOAK - BCN
2 stops36h 10mDelta
Wed 1/2110:55 amBCN - OAK
2 stops33h 57mDelta
Deal found 12/11$971
This Delta deal was found by Cheapflights users on 12/11. 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 12/234:50 pmOAK - BCN
2 stops36h 10mDelta
Tue 1/2011:10 amBCN - OAK
2 stops45h 43mDelta
Deal found 12/11$973
This Delta deal was found by Cheapflights users on 12/11. 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.
Thu 12/255:53 amOAK - BCN
2 stops28h 12mDelta
Sat 1/246:00 amBCN - OAK
2 stops24h 38mDelta
Deal found 12/11$1,014
This Delta deal was found by Cheapflights users on 12/11. 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 12/245:53 amOAK - BCN
2 stops43h 32mDelta
Sun 1/186:00 amBCN - OAK
2 stops24h 38mDelta
Deal found 12/11$1,020
This Delta deal was found by Cheapflights users on 12/11. 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 12/234:50 pmOAK - BCN
2 stops36h 10mDelta
Sun 1/186:00 amBCN - OAK
2 stops24h 38mDelta
Deal found 12/11$1,023
This Delta deal was found by Cheapflights users on 12/11. 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 12/245:53 amOAK - BCN
2 stops43h 32mDelta
Sat 1/246:00 amBCN - OAK
2 stops24h 38mDelta
Deal found 12/11$1,069
This Delta deal was found by Cheapflights users on 12/11. 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 12/234:50 pmOAK - BCN
2 stops36h 10mDelta
Sat 1/246:00 amBCN - OAK
2 stops24h 38mDelta
Deal found 12/11$1,072

Find flight deals from Oakland to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Barcelona-El Prat (BCN). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$565
(American Airlines)

One-way from

$382
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$864
Provider with most accurate pricing for Oakland-Barcelona-El Prat flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oakland-Barcelona-El Prat flights.
Search Deals
From Oakland to Barcelona-El Prat
Search Deals
One-way flight from Oakland to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($210 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland to Barcelona-El Prat 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 December 12, 2025.
Use the filters below to find and compare flights from Oakland to Barcelona-El Prat Airport that are best for you.

Fly from

Oakland

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 3/29

5:00 pm-4:25 pm

2 stops38h 25m

Barcelona-El Prat

Wed 4/15

11:35 am-11:49 pm

2 stops21h 14m

$672

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Mon 3/30

5:55 am-4:25 pm

2 stops25h 30m

Barcelona-El Prat

Wed 4/15

11:35 am-11:49 pm

2 stops21h 14m

$672

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Mon 3/30

5:55 am-4:25 pm

2 stops25h 30m

Barcelona-El Prat

Fri 4/17

11:35 am-11:49 pm

2 stops21h 14m

$672

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 3/29

5:00 pm-4:25 pm

2 stops38h 25m

Barcelona-El Prat

Fri 4/17

11:35 am-11:49 pm

2 stops21h 14m

$672

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 4/4

5:55 am-9:20 am

2 stops42h 25m

Barcelona-El Prat

Wed 4/15

11:35 am-11:49 pm

2 stops21h 14m

$674

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Fri 1/16

5:55 am-4:30 pm

2 stops25h 35m

Barcelona-El Prat

Sun 1/25

8:20 pm-4:14 pm

2 stops28h 54m

$676

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Wed 4/1

5:00 pm-6:50 pm

2 stops16h 50m

Barcelona-El Prat

Fri 4/17

11:35 am-12:24 pm

2 stops33h 49m

$706

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Fri 4/3

5:00 pm-9:20 am

2 stops55h 20m

Barcelona-El Prat

Tue 4/14

11:35 am-11:49 pm

2 stops21h 14m

$710

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Fri 4/3

5:00 pm-9:20 am

2 stops55h 20m

Barcelona-El Prat

Wed 4/15

11:35 am-11:49 pm

2 stops21h 14m

$710

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 3/29

5:55 am-2:50 pm

2 stops23h 55m

Barcelona-El Prat

Sun 4/19

1:25 pm-11:49 pm

2 stops43h 24m

$727

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 23 results
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Compare providers for flights from Oakland to Barcelona-El Prat

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oakland to Barcelona-El Prat in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Oakland, California-Barcelona-El Prat Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Oakland, California-Barcelona-El Prat Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Oakland, California-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oakland, California-Barcelona-El Prat Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oakland, California-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Oakland to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat 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-El Prat Airport

What is the cheapest month to book a flight from Oakland, California to Barcelona-El Prat Airport?

Currently, October is the cheapest month in which you can book a flight from Oakland, California to Barcelona-El Prat Airport (average of $374). Flying from Oakland, California to Barcelona-El Prat Airport in June is currently the most expensive (average of $701). 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-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Oakland, California to Barcelona-El Prat Airport in the evening. If you’re flexible enough to do this you can expect to save up to 30% 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-El Prat. 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-El Prat?

    Located just 7.0 mi from the city center, Oakland is the airport most travelers will use when flying to Barcelona-El Prat from Oakland. Booking flights from Oakland (OAK) to Barcelona-El Prat should be relatively easy as there are 0 daily outbound flights to Barcelona-El Prat from 0 different airlines.

  • How long is the flight from Oakland, California to Barcelona-El Prat Airport?

    Delta can get you from Oakland, California to Barcelona-El Prat Airport in just under 38h 25m. Your travel time can differ by up to . The distance from Oakland, California to Barcelona-El Prat Airport is about 5942 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oakland to Barcelona-El Prat 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-El Prat Airport?

    Currently, October is the cheapest month in which you can book a flight from Oakland, California to Barcelona-El Prat Airport (average of $374). Flying from Oakland, California to Barcelona-El Prat Airport in June is currently the most expensive (average of $701). 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

Traveling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Calella
Roses
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

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