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$508+ Cheap flights from Barcelona-El Prat (BCN) to Oakland, CA (OAK)

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — OAK
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap flight deals from Barcelona-El Prat to Oakland

Cheapest flights from Barcelona-El Prat to Oakland
Explore the most affordable flight options available from Barcelona-El Prat to Oakland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.

This Delta deal was found by Cheapflights users on 2/15. 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 5/286:20 am
BCN
-
OAK
2 stops26h 37m
Delta
Fri 6/125:05 pm
OAK
-
BCN
2 stops33h 05m
Delta
Deal found 2/15$669
This Delta deal was found by Cheapflights users on 2/15. 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 5/243:15 pm
BCN
-
OAK
2 stops41h 42m
Delta
Sat 6/135:55 am
OAK
-
BCN
2 stops41h 40m
Delta
Deal found 2/15$672
This KLM deal was found by Cheapflights users on 2/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:25 pm
BCN
-
OAK
2 stops30h 35m
Multiple Airlines
Tue 3/245:55 am
OAK
-
BCN
2 stops24h 05m
Multiple Airlines
Deal found 2/17$678
This Delta deal was found by Cheapflights users on 2/15. 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 5/253:15 pm
BCN
-
OAK
2 stops41h 42m
Delta
Sat 6/135:05 pm
OAK
-
BCN
2 stops30h 30m
Delta
Deal found 2/15$725
This Delta deal was found by Cheapflights users on 2/15. 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 5/286:20 am
BCN
-
OAK
2 stops26h 37m
Delta
Mon 6/155:55 am
OAK
-
BCN
2 stops41h 40m
Delta
Deal found 2/15$773
This British Airways deal was found by Cheapflights users on 2/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:05 pm
BCN
-
OAK
2 stops40h 27m
British Airways
Sun 4/266:20 am
OAK
-
BCN
2 stops49h 05m
British Airways
Deal found 2/18$776
This Delta deal was found by Cheapflights users on 2/15. 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 5/253:15 pm
BCN
-
OAK
2 stops41h 42m
Delta
Mon 6/155:05 pm
OAK
-
BCN
2 stops30h 30m
Delta
Deal found 2/15$830
This British Airways deal was found by Cheapflights users on 2/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:40 am
BCN
-
OAK
2 stops25h 19m
British Airways
Tue 6/91:01 pm
OAK
-
BCN
2 stops24h 39m
British Airways
Deal found 2/16$832
This Delta deal was found by Cheapflights users on 2/15. 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 5/286:20 am
BCN
-
OAK
2 stops26h 37m
Delta
Thu 6/115:05 pm
OAK
-
BCN
2 stops57h 05m
Delta
Deal found 2/15$899

Find flight deals from Barcelona-El Prat to Oakland

Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) to Oakland (OAK). 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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$669
(Delta)

One-way from

$508
(Finnair)

Popular in

July

Cheapest in

January

Average price

$581
Provider with most accurate pricing for Barcelona-El Prat-Oakland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Barcelona-El Prat-Oakland flights.
Search Deals
From Barcelona-El Prat to Oakland
Search Deals
One-way flight from Barcelona-El Prat to Oakland
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat to Oakland 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 February 19, 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Oakland that are best for you.

Fly from

Barcelona-El Prat

Fly to

Oakland

Route

Depart

Return

Price

BarcelonaOakland

BCN - OAK

BCNOAK

Barcelona-El Prat

Thu 5/28

6:20 am-11:57 pm

2 stops26h 37m

Oakland

Fri 6/12

5:05 pm-11:10 am

2 stops33h 05m

$669

BarcelonaOakland

BCN - OAK

BCNOAK

Barcelona-El Prat

Thu 5/28

6:20 am-11:57 pm

2 stops26h 37m

Oakland

Sat 6/13

5:55 am-8:35 am

2 stops41h 40m

$669

BarcelonaOakland

BCN - OAK

BCNOAK

Barcelona-El Prat

Thu 5/28

6:20 am-11:57 pm

2 stops26h 37m

Oakland

Sun 6/14

5:55 am-8:35 am

2 stops41h 40m

$669

BarcelonaOakland

BCN - OAK

BCNOAK

Barcelona-El Prat

Wed 5/27

1:20 pm-11:57 pm

2 stops19h 37m

Oakland

Sat 6/13

5:55 am-8:35 am

2 stops41h 40m

$672

BarcelonaOakland

BCN - OAK

BCNOAK

Barcelona-El Prat

Sun 5/24

3:15 pm-11:57 pm

2 stops41h 42m

Oakland

Sun 6/14

5:55 am-8:35 am

2 stops41h 40m

$672

BarcelonaOakland

BCN - OAK

BCNOAK

Barcelona-El Prat

Sun 5/24

3:15 pm-11:57 pm

2 stops41h 42m

Oakland

Fri 6/12

5:55 am-11:10 am

2 stops44h 15m

$672

BarcelonaOakland

BCN - OAK

BCNOAK

Barcelona-El Prat

Wed 5/27

3:15 pm-4:26 pm

2 stops34h 11m

Oakland

Sun 6/14

5:55 am-8:35 am

2 stops41h 40m

$672

BarcelonaOakland

BCN - OAK

BCNOAK

Barcelona-El Prat

Fri 5/29

1:20 pm-11:57 pm

2 stops19h 37m

Oakland

Sat 6/13

5:55 am-8:35 am

2 stops41h 40m

$672

BarcelonaOakland

BCN - OAK

BCNOAK

Barcelona-El Prat

Sat 5/30

3:15 pm-11:57 pm

2 stops41h 42m

Oakland

Fri 6/12

5:55 am-11:10 am

2 stops44h 15m

$672

BarcelonaOakland

BCN - OAK

BCNOAK

Barcelona-El Prat

Tue 3/17

5:25 pm-4:00 pm

2 stops30h 35m

Oakland

Tue 3/24

5:55 am-2:00 pm

2 stops24h 05m

$678

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 22 results
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  • Most accurate provider: When it comes to deals on Barcelona-El Prat Airport-Oakland, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Barcelona-El Prat Airport-Oakland, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-Oakland, California flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Barcelona-El Prat Airport-Oakland, California flights, Cheapflights users trust FlightHub the most. FlightHub 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 Barcelona-El Prat Airport-Oakland, California 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 Barcelona-El Prat to Oakland

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

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

Currently, March is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Oakland, California (average of $341). Flying from Barcelona-El Prat Airport to Oakland, California in July is currently the most expensive (average of $679). 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.

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat to Oakland. 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 into for flights to Oakland from Barcelona-El Prat?

    Oakland (OAK) is the airport you will fly into if you book a flight from Barcelona-El Prat to Oakland. You should not have trouble finding flights to Oakland from Barcelona-El Prat; the airport handles an average of 0 inbound flights from Barcelona-El Prat per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Oakland airport from Barcelona-El Prat. It is only a 7.0 mi journey from Oakland (OAK) to Oakland’s city center.

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

    Delta can get you from Barcelona-El Prat Airport to Oakland, California in just under 26h 37m. Your travel time can differ by up to . The distance from Barcelona-El Prat Airport to Oakland, California is about 5942 mi.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Oakland, California (average of $341). Flying from Barcelona-El Prat Airport to Oakland, California in July is currently the most expensive (average of $679). 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.

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