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Barcelona-El Prat

$439+ 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — BCN
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheap 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$454
(Delta)

One-way from

$439
(Delta)

Popular in

June

Cheapest in

January

Average price

$578
Provider with most accurate pricing for Oakland-Barcelona-El Prat flight deals.
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Provider most trusted by Cheapflights users for Oakland-Barcelona-El Prat flights.
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From Oakland to Barcelona-El Prat
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One-way flight from Oakland to Barcelona-El Prat
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Highest demand for flights based on searches. 23% potential increase in price ($213 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 27, 2025.

This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 11/1712:28 pmOAK - BCN
2 stops35h 12mDelta
Wed 12/31:00 pmBCN - OAK
2 stops44h 08mDelta
Deal found 10/25$454
This Delta deal was found by Cheapflights users on 10/26. 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 12/1012:30 pmOAK - BCN
2 stops21h 35mDelta
Wed 12/176:00 amBCN - OAK
2 stops27h 08mDelta
Deal found 10/26$667
This Delta deal was found by Cheapflights users on 10/25. 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 12/175:55 amOAK - BCN
2 stops25h 35mDelta
Wed 12/249:30 amBCN - OAK
2 stops35h 24mDelta
Deal found 10/25$983
This Delta deal was found by Cheapflights users on 10/26. 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 stops41h 15mDelta
Wed 1/710:55 amBCN - OAK
2 stops34h 02mDelta
Deal found 10/26$1,001
This Delta deal was found by Cheapflights users on 10/26. 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 stops38h 40mDelta
Tue 1/610:15 amBCN - OAK
2 stops38h 59mDelta
Deal found 10/26$1,003
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:21 amOAK - BCN
2 stops16h 54mMultiple Airlines
Fri 1/911:50 amBCN - OAK
2 stops17h 50mMultiple Airlines
Deal found 10/25$1,076
This Delta deal was found by Cheapflights users on 10/26. 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 stops38h 40mDelta
Thu 1/16:00 amBCN - OAK
2 stops25h 47mDelta
Deal found 10/26$1,123
This Delta deal was found by Cheapflights users on 10/26. 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 stops56h 35mDelta
Wed 12/316:00 amBCN - OAK
2 stops25h 47mDelta
Deal found 10/26$1,194
This Expedia deal was found by Cheapflights users on 10/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:10 amOAK - BCN
2 stops22h 30mMultiple Airlines
Wed 12/3112:30 pmBCN - OAK
2 stops29h 36mMultiple Airlines
Deal found 10/25$1,332
This Delta deal was found by Cheapflights users on 10/26. 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 stops23h 07mDelta
Wed 1/710:55 amBCN - OAK
2 stops34h 02mDelta
Deal found 10/26$1,341
This Delta deal was found by Cheapflights users on 10/26. 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 stops23h 07mDelta
Tue 1/610:15 amBCN - OAK
2 stops34h 42mDelta
Deal found 10/26$1,343
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:21 amOAK - BCN
2 stops16h 54mIcelandair
Sun 12/2811:50 amBCN - OAK
2 stops21h 09mIcelandair
Deal found 10/27$1,383

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 October 27, 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

Mon 11/17

12:28 pm-8:40 am

2 stops35h 12m

Barcelona-El Prat

Wed 12/3

1:00 pm-12:08 am

2 stops44h 08m

$454

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Thu 1/8

5:55 am-7:20 pm

2 stops28h 25m

Barcelona-El Prat

Thu 1/15

8:20 pm-4:14 pm

2 stops28h 54m

$530

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Thu 1/8

5:55 am-4:30 pm

2 stops25h 35m

Barcelona-El Prat

Thu 1/15

5:25 pm-4:14 pm

2 stops31h 49m

$544

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Fri 1/16

8:03 pm-8:50 am

2 stops27h 47m

Barcelona-El Prat

Sun 1/25

10:10 am-7:23 pm

2 stops18h 13m

$607

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 2/22

5:55 am-5:05 pm

2 stops26h 10m

Barcelona-El Prat

Thu 2/26

11:10 am-11:53 pm

2 stops45h 43m

$613

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Wed 12/10

12:30 pm-7:05 pm

2 stops21h 35m

Barcelona-El Prat

Wed 12/17

6:00 am-12:08 am

2 stops27h 08m

$667

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 2/14

1:15 pm-11:10 am

2 stops36h 55m

Barcelona-El Prat

Wed 2/18

6:00 am-11:53 pm

2 stops26h 53m

$684

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 2/14

1:15 pm-11:10 am

2 stops36h 55m

Barcelona-El Prat

Tue 2/17

1:00 pm-4:34 pm

2 stops36h 34m

$684

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 2/14

1:15 pm-8:50 am

2 stops58h 35m

Barcelona-El Prat

Fri 2/20

6:00 am-11:53 pm

2 stops26h 53m

$686

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 2/14

1:15 pm-8:50 am

2 stops58h 35m

Barcelona-El Prat

Thu 2/19

6:00 am-11:53 pm

2 stops26h 53m

$686

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 19 results
1
2

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 October.
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, January is the cheapest month in which you can book a flight from Oakland, California to Barcelona-El Prat Airport (average of $367). Flying from Oakland, California to Barcelona-El Prat Airport in June is currently the most expensive (average of $697). 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 October 27, 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, Air France, and KLM can get you from Oakland, California to Barcelona-El Prat Airport in just under 25h 35m. Your travel time can differ by up to 9h 37m. The distance from Oakland, California to Barcelona-El Prat Airport is about 5942 mi. This flight may include one or multiple stops.

  • 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, January is the cheapest month in which you can book a flight from Oakland, California to Barcelona-El Prat Airport (average of $367). Flying from Oakland, California to Barcelona-El Prat Airport in June is currently the most expensive (average of $697). 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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