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$329+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — BCN
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Cheap 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 June 9, 2026.

This Delta deal was found by Cheapflights users on 6/6. 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 11/145:05 pm
OAK
-
BCN
2 stops30h 30m
Delta
Thu 11/2610:50 am
BCN
-
OAK
2 stops22h 06m
Delta
Deal found 6/6$731
This Delta deal was found by Cheapflights users on 6/9. 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 10/56:00 am
OAK
-
BCN
2 stops23h 50m
Delta
Fri 10/161:20 pm
BCN
-
OAK
2 stops19h 36m
Delta
Deal found 6/9$735
This Delta deal was found by Cheapflights users on 6/7. 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 12/295:05 pm
OAK
-
BCN
2 stops30h 30m
Delta
Tue 1/121:10 pm
BCN
-
OAK
2 stops36h 22m
Delta
Deal found 6/7$736
This Delta deal was found by Cheapflights users on 6/7. 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 12/285:55 am
OAK
-
BCN
2 stops41h 55m
Delta
Wed 1/1311:15 am
BCN
-
OAK
2 stops45h 41m
Delta
Deal found 6/7$737
This Delta deal was found by Cheapflights users on 6/9. 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 10/71:15 pm
OAK
-
BCN
2 stops20h 35m
Delta
Wed 10/146:20 am
BCN
-
OAK
2 stops26h 36m
Delta
Deal found 6/9$739
This Delta deal was found by Cheapflights users on 6/6. 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.
Fri 11/131:15 pm
OAK
-
BCN
2 stops58h 25m
Delta
Thu 11/2610:50 am
BCN
-
OAK
2 stops22h 06m
Delta
Deal found 6/6$741
This Delta deal was found by Cheapflights users on 6/6. 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 11/115:55 am
OAK
-
BCN
2 stops23h 05m
Delta
Fri 11/276:00 am
BCN
-
OAK
2 stops19h 32m
Delta
Deal found 6/6$742
This Delta deal was found by Cheapflights users on 6/6. 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 11/145:05 pm
OAK
-
BCN
2 stops30h 35m
Delta
Fri 11/276:00 am
BCN
-
OAK
2 stops19h 32m
Delta
Deal found 6/6$743
This Delta deal was found by Cheapflights users on 6/6. 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.
Fri 11/135:05 pm
OAK
-
BCN
2 stops54h 35m
Delta
Wed 11/251:10 pm
BCN
-
OAK
2 stops36h 22m
Delta
Deal found 6/6$746
This Delta deal was found by Cheapflights users on 6/6. 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.
Fri 11/135:05 pm
OAK
-
BCN
2 stops54h 35m
Delta
Fri 11/276:00 am
BCN
-
OAK
2 stops19h 32m
Delta
Deal found 6/6$754
This Delta deal was found by Cheapflights users on 6/9. 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 10/85:55 am
OAK
-
BCN
2 stops20h 15m
Delta
Wed 10/141:20 pm
BCN
-
OAK
2 stops19h 36m
Delta
Deal found 6/9$781
This Delta deal was found by Cheapflights users on 6/7. 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 12/315:55 am
OAK
-
BCN
2 stops26h 10m
Delta
Wed 1/131:10 pm
BCN
-
OAK
2 stops43h 46m
Delta
Deal found 6/7$785

Find 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 June 9, 2026.

Round-trip from

$731
(Delta)

One-way from

$329
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$1,076
From Oakland to Barcelona
Search Deals
One-way flight from Oakland to Barcelona
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($245 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 9, 2026.
Use the filters below to find and compare flights from Oakland to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 10/10

5:05 pm-12:50 pm

2 stops34h 45m

Barcelona-El Prat

Sun 10/18

1:20 pm-12:25 pm

2 stops32h 05m

$792

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Wed 8/19

6:00 am-2:50 pm

2 stops23h 50m

Barcelona-El Prat

Tue 9/1

11:10 am-4:14 pm

2 stops38h 04m

$812

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 8/16

6:00 am-5:10 pm

2 stops26h 10m

Barcelona-El Prat

Tue 9/1

11:10 am-4:14 pm

2 stops38h 04m

$812

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Fri 11/13

5:05 pm-8:40 am

2 stops54h 35m

Barcelona-El Prat

Tue 12/1

10:50 am-11:56 pm

2 stops22h 06m

$818

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Fri 8/14

5:00 pm-8:35 am

2 stops54h 35m

Barcelona-El Prat

Fri 8/28

6:20 am-4:14 pm

2 stops18h 54m

$824
Quickest round-trip

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Mon 8/17

12:33 pm-4:25 pm

2 stops18h 52m

Barcelona-El Prat

Sat 8/29

6:20 am-4:14 pm

2 stops18h 54m

$877

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Mon 8/24

5:00 pm-11:10 am

2 stops33h 10m

Barcelona-El Prat

Sun 9/13

1:20 pm-11:59 pm

2 stops43h 39m

$881

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Thu 11/12

5:55 am-2:00 pm

2 stops23h 05m

Barcelona-El Prat

Mon 11/30

12:15 pm-4:32 pm

2 stops37h 17m

$882

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Tue 11/17

5:55 am-2:00 pm

2 stops23h 05m

Barcelona-El Prat

Sun 11/29

12:15 pm-11:56 pm

2 stops44h 41m

$892

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Wed 11/11

5:55 am-4:35 pm

2 stops25h 40m

Barcelona-El Prat

Sat 11/28

1:10 pm-11:56 pm

2 stops43h 46m

$912

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 23 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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 34h 45m. 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.

See more FAQs

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