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$309+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — BCN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 August 14, 2025.

Round-trip from

$489
(American Airlines)

One-way from

$309
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$671
From Oakland to Barcelona
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One-way flight from Oakland to Barcelona
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Highest demand for flights based on searches. 21% potential increase in price ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 9/216:15 amOAK - BCN
2 stops19h 15mMultiple Airlines
Tue 10/710:45 amBCN - OAK
2 stops22h 18mMultiple Airlines
Deal found 8/13$489
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Sat 10/46:40 amOAK - BCN
2 stops18h 50mMultiple Airlines
Tue 10/2110:45 amBCN - OAK
2 stops22h 18mMultiple Airlines
Deal found 8/12$538
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 10/26:15 amOAK - BCN
2 stops18h 55mMultiple Airlines
Wed 10/2210:45 amBCN - OAK
2 stops22h 18mMultiple Airlines
Deal found 8/12$541
This Delta deal was found by Cheapflights users on 8/13. 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 9/216:00 amOAK - BCN
2 stops26h 10mDelta
Tue 10/76:20 amBCN - OAK
2 stops26h 33mDelta
Deal found 8/13$653
This Delta deal was found by Cheapflights users on 8/14. 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 9/36:00 amOAK - BCN
2 stops23h 50mDelta
Fri 9/1211:35 amBCN - OAK
2 stops33h 21mDelta
Deal found 8/14$674
This Mytrip deal was found by Cheapflights users on 8/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:00 amOAK - BCN
3 stops32h 35mMultiple Airlines
Fri 9/1212:10 pmBCN - OAK
3 stops34h 24mMultiple Airlines
Deal found 8/14$707
This Delta deal was found by Cheapflights users on 8/13. 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 10/125:55 amOAK - BCN
2 stops42h 25mDelta
Mon 10/201:20 pmBCN - OAK
2 stops43h 33mDelta
Deal found 8/13$716
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:39 pmOAK - BCN
3 stops34h 56mMultiple Airlines
Thu 10/236:00 amBCN - OAK
3 stops34h 38mMultiple Airlines
Deal found 8/12$721
This Delta deal was found by Cheapflights users on 8/13. 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 10/115:00 pmOAK - BCN
2 stops39h 10mDelta
Mon 10/201:20 pmBCN - OAK
2 stops43h 33mDelta
Deal found 8/13$724
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:30 amOAK - BCN
3 stops31h 40mMultiple Airlines
Thu 10/236:00 amBCN - OAK
3 stops34h 38mMultiple Airlines
Deal found 8/12$728
This Delta deal was found by Cheapflights users on 8/14. 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 8/3012:35 pmOAK - BCN
2 stops33h 40mDelta
Wed 9/106:20 amBCN - OAK
2 stops25h 26mDelta
Deal found 8/14$737

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 August 14, 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

Sun 9/21

6:15 am-10:30 am

2 stops19h 15m

Barcelona-El Prat

Tue 10/7

10:45 am-12:03 am

2 stops22h 18m

$489

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 10/4

6:40 am-10:30 am

2 stops18h 50m

Barcelona-El Prat

Tue 10/21

10:45 am-12:03 am

2 stops22h 18m

$538

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 10/4

6:40 am-10:30 am

2 stops18h 50m

Barcelona-El Prat

Fri 10/17

10:45 am-12:03 am

2 stops22h 18m

$538

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Fri 9/26

6:15 am-10:10 am

2 stops18h 55m

Barcelona-El Prat

Fri 10/3

10:45 am-12:04 am

2 stops22h 19m

$541

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Thu 10/2

6:15 am-10:10 am

2 stops18h 55m

Barcelona-El Prat

Thu 10/23

10:45 am-12:03 am

2 stops22h 18m

$541

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Thu 10/2

6:15 am-10:10 am

2 stops18h 55m

Barcelona-El Prat

Wed 10/22

10:45 am-12:03 am

2 stops22h 18m

$541

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Fri 10/3

6:15 am-10:10 am

2 stops18h 55m

Barcelona-El Prat

Thu 10/23

10:45 am-12:03 am

2 stops22h 18m

$541

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Thu 10/2

6:15 am-10:10 am

2 stops18h 55m

Barcelona-El Prat

Tue 10/21

10:45 am-12:03 am

2 stops22h 18m

$541

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 9/21

6:00 am-5:10 pm

2 stops26h 10m

Barcelona-El Prat

Tue 10/7

6:20 am-11:53 pm

2 stops26h 33m

$653

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Wed 9/3

6:00 am-2:50 pm

2 stops23h 50m

Barcelona-El Prat

Fri 9/12

11:35 am-11:56 am

2 stops33h 21m

$674

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 17 results
1
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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 $1,057). 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 August 14, 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.

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona. Reviews last updated August 14, 2025.
Read reviews from past customers who have flown Delta from Oakland to Barcelona. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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. 1 airline 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.

  • What is the cheapest airline to fly from Oakland, California to Barcelona round-trip?

    Currently priced at $504, Delta will fly you from Oakland, California to Barcelona and back. In addition to Delta, many other airlines offer competitively priced options for your trip.

  • 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 $1,057). 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

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Top airline flying from Oakland to Barcelona

Discover the top airline that operate flights from Oakland to Barcelona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$504Average$710FlexibilityNo cancel feeOn-timeN/A

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