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$243+ Cheap flights from California 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BCN
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
1 adult, Economy
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Cheap flight deals from California to Barcelona

Cheapest flights from California to Barcelona
Explore the most affordable flight options available from California to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:00 amSAN - BCN
2 stops20h 20mUnited Airlines
Thu 1/151:35 pmBCN - SAN
2 stops28h 02mUnited Airlines
Deal found 12/3$481
This oojo deal was found by Cheapflights users on 12/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:20 amSFO - BCN
2 stops19h 45mBritish Airways
Sat 1/176:40 amBCN - SFO
2 stops24h 26mBritish Airways
Deal found 12/2$483
This Delta deal was found by Cheapflights users on 12/2. 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 12/810:55 pmSFO - BCN
1 stop24h 05mDelta
Sun 12/1410:15 amBCN - SFO
1 stop21h 50mDelta
Deal found 12/2$484
This oojo deal was found by Cheapflights users on 12/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:35 pmSFO - BCN
2 stops26h 45mBritish Airways
Thu 1/1510:40 amBCN - SFO
1 stop17h 32mBritish Airways
Deal found 12/4$485
This Mytrip deal was found by Cheapflights users on 12/3. 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 12/38:25 amSFO - BCN
2 stops24h 10mMultiple Airlines
Wed 12/1011:55 amBCN - SFO
1 stop16h 40mMultiple Airlines
Deal found 12/3$486
This oojo deal was found by Cheapflights users on 12/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:35 pmSFO - BCN
1 stop22h 10mTAP AIR PORTUGAL
Sun 12/146:05 pmBCN - SFO
1 stop29h 30mTAP AIR PORTUGAL
Deal found 12/3$487
This oojo deal was found by Cheapflights users on 12/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:00 amLAS - BCN
1 stop16h 05mBritish Airways
Sun 12/1410:10 amBCN - LAS
1 stop17h 40mBritish Airways
Deal found 12/3$488
This United Airlines deal was found by Cheapflights users on 12/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:07 amSFO - BCN
1 stop17h 13mUnited Airlines
Tue 12/1610:30 amBCN - SFO
2 stops21h 35mUnited Airlines
Deal found 12/3$488
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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.
Tue 12/912:50 pmSFO - BCN
2 stops16h 55mLufthansa
Tue 12/166:20 pmBCN - SFO
2 stops26h 15mLufthansa
Deal found 12/2$489
This United Airlines deal was found by Cheapflights users on 12/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 amSFO - BCN
2 stops17h 20mUnited Airlines
Thu 12/251:35 pmBCN - SFO
2 stops27h 05mUnited Airlines
Deal found 12/2$492
This Mytrip deal was found by Cheapflights users on 12/1. 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.
Tue 12/211:20 amSFO - BCN
2 stops21h 15mMultiple Airlines
Mon 12/87:45 pmBCN - SFO
1 stop25h 55mMultiple Airlines
Deal found 12/1$493
This Delta deal was found by Cheapflights users on 12/2. 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 12/910:40 amSFO - BCN
2 stops16h 35mDelta
Wed 12/246:00 amBCN - SFO
2 stops19h 04mDelta
Deal found 12/2$494

Find flight deals from California to Barcelona

Keep the following information in mind while searching for California to Barcelona flight deals. Data was last updated December 5, 2025.

Round-trip from

$421
(American Airlines)

One-way from

$243
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$957
From California to Barcelona
Search Deals
One-way flight from California to Barcelona
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 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 California 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 December 5, 2025.
Use the filters below to find and compare flights from California to Barcelona that are best for you.

Fly from

California

Fly to

Barcelona

Route

Depart

Return

Price

Las VegasBarcelona

LAS - BCN

LASBCN

Las Vegas Harry Reid Intl

Mon 1/5

8:55 pm-10:30 pm

1 stop16h 35m

Barcelona-El Prat

Tue 1/20

10:40 am-6:22 pm

1 stop16h 42m

$421

Las VegasBarcelona

LAS - BCN

LASBCN

Las Vegas Harry Reid Intl

Tue 2/17

8:55 pm-10:30 pm

1 stop16h 35m

Barcelona-El Prat

Fri 2/27

10:40 am-9:55 pm

1 stop20h 15m

$427

Las VegasBarcelona

LAS - BCN

LASBCN

Las Vegas Harry Reid Intl

Mon 3/23

12:29 pm-4:05 pm

2 stops19h 36m

Barcelona-El Prat

Wed 4/1

10:35 am-9:49 pm

2 stops20h 14m

$431

San JoseBarcelona

SJC - BCN

SJCBCN

San Jose

Wed 2/25

2:26 pm-4:30 pm

2 stops17h 04m

Barcelona-El Prat

Mon 3/2

9:00 pm-9:29 pm

2 stops33h 29m

$431

San JoseBarcelona

SJC - BCN

SJCBCN

San Jose

Sat 1/10

11:51 am-8:50 am

1 stop35h 59m

Barcelona-El Prat

Fri 2/6

10:40 am-9:29 pm

1 stop19h 49m

$437

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Mon 1/12

4:54 pm-8:00 am

2 stops54h 06m

Barcelona-El Prat

Fri 1/23

10:55 am-11:52 am

2 stops33h 57m

$444

Las VegasBarcelona

LAS - BCN

LASBCN

Las Vegas Harry Reid Intl

Sun 2/1

8:55 pm-10:30 pm

1 stop16h 35m

Barcelona-El Prat

Sun 2/8

10:40 am-9:48 pm

1 stop20h 08m

$452

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Tue 1/13

5:55 am-5:05 pm

2 stops26h 10m

Barcelona-El Prat

Fri 1/23

10:55 am-11:52 am

2 stops33h 57m

$457

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 1/11

4:54 pm-4:30 pm

2 stops38h 36m

Barcelona-El Prat

Tue 1/27

10:15 am-4:14 pm

2 stops38h 59m

$457

Las VegasBarcelona

LAS - BCN

LASBCN

Las Vegas Harry Reid Intl

Wed 1/28

6:35 pm-10:25 am

1 stop30h 50m

Barcelona-El Prat

Sun 2/1

6:40 am-6:50 pm

1 stop21h 10m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 60 results
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Best time to book a flight from California to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona from California 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 California to Barcelona

What is the cheapest month to book a flight from California to Barcelona?

Currently, October is the cheapest month in which you can book a flight from California to Barcelona (average of $369). Flying from California to Barcelona in June is currently the most expensive (average of $610). 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 CA to BCN?

Find hourly flight availability from California 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 December 5, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 20% on flights from California to Barcelona by exploring options for tickets in the afternoon.

What is the cheapest day to fly from California to Barcelona?

Use this chart to determine the cheapest time to fly round-trip from California to Barcelona. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their California to Barcelona flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from California to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from California to Barcelona?

    There are many flights that can get you from California to Barcelona in 16h 35m. Fly via American Airlines, British Airways, or Delta to get the fastest option. California and Barcelona are separated by a distance of 5775 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from California to Barcelona one-way?

    One-way options have recently been found by users for as low as $168 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include LEVEL from $180 and LEVEL from $190 one-way.

  • What are the most popular routes from California to Barcelona?

    While some choose either Los Angeles - Barcelona-El Prat or San Jose - Barcelona-El Prat, San Francisco - Barcelona-El Prat is the most popular route from California to Barcelona.

  • What are the most reliable airlines from California to Barcelona?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from California to Barcelona on time: American Airlines (73%), Iberia (71%), easyJet (71%).

  • What are the cheapest flights from California to Barcelona?

    On average you can expect to pay $1,069 for a flight from California to Barcelona. The cheapest flight overall is $330 while the most popular route, (San Francisco - Barcelona-El Prat) is currently priced at $409.

  • Can I find deals for flights from California to Barcelona that include hotel bookings?

    Yes. In addition to deals on California to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Barcelona?

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

  • Can I find deals for business class flights from California to Barcelona?

    Yes. Cheapflights offers flight deals from California 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 California to Barcelona?

    Currently, October is the cheapest month in which you can book a flight from California to Barcelona (average of $369). Flying from California to Barcelona in June is currently the most expensive (average of $610). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for California to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from California to Barcelona

Discover the top 10 airlines that operate flights from California 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 December 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$323Average$764FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$341Average$700FlexibilityNo cancel feeOn-time79%
WestJetCheapest$352Average$877FlexibilityNo cancel feeOn-time60%
TAP AIR PORTUGALCheapest$359Average$555FlexibilityNo cancel feeOn-timeN/A
ITA AirwaysCheapest$362Average$848FlexibilityNo cancel feeOn-time81%
Virgin AtlanticCheapest$404Average$796FlexibilityNo cancel feeOn-time72%
FinnairCheapest$418Average$708FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$421Average$551FlexibilityNo cancel feeOn-time77%
VuelingCheapest$426Average$746FlexibilityNo cancel feeOn-time88%
Air FranceCheapest$447Average$853FlexibilityNo cancel feeOn-time77%

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