$343 Find Cheap Flights from Barcelona to California - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Barcelona-El Prat to California departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to California

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Barcelona to California.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Barcelona to California.
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Barcelona-El Prat to California

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Los Angeles
Los Angeles1 stop$634
San Francisco
San Francisco1 stop$794
San Diego
San Diego1 stop$686
San Jose
San Jose2 stops$511
Los Angeles
Los Angeles1 stop$634
San Francisco
San Francisco1 stop$794
San Diego
San Diego1 stop$686
San Jose
San Jose2 stops$511

Book Cheap Barcelona-El Prat to California Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Barcelona-El Prat to California that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Barcelona-El Prat to California

Thu, Oct 29 - Sun, Nov 8
Virgin Atlantic Logo
10:30 am - 12:31 am
BCN
-
LAS
22h 01m
2 stops
Virgin Atlantic Logo
11:36 pm - 8:40 am
LAS
-
BCN
24h 04m
2 stops
$423Virgin Atlantic
Thu, Oct 29 - Sun, Nov 8
Virgin Atlantic Logo
10:30 am - 11:55 pm
BCN
-
LAS
21h 25m
1 stop
Virgin Atlantic Logo
11:36 pm - 8:35 am
LAS
-
BCN
23h 59m
1 stop
$437Virgin Atlantic
Thu, Sep 17 - Mon, Sep 21
United Airlines Logo
6:40 am - 10:50 pm
BCN
-
SJC
25h 10m
2 stops
United Airlines Logo
6:30 am - 1:15 pm
SJC
-
BCN
21h 45m
1 stop
$511United Airlines
Thu, Sep 17 - Mon, Sep 21
United Airlines Logo
8:00 am - 10:50 pm
BCN
-
SJC
23h 50m
2 stops
United Airlines Logo
6:37 pm - 9:00 am
SJC
-
BCN
29h 23m
2 stops
$512United Airlines
Mon, Sep 14 - Mon, Sep 28
Iberia Logo
10:45 am - 6:59 pm
BCN
-
LAX
17h 14m
1 stop
Iberia Logo
8:50 pm - 5:15 pm
LAX
-
BCN
11h 25mnonstop
$634Iberia
Wed, Oct 28 - Tue, Nov 10
Iberia Logo
10:40 am - 9:56 pm
BCN
-
SJC
19h 16m
1 stop
Iberia Logo
6:00 am - 8:50 am
SJC
-
BCN
17h 50m
1 stop
$642Iberia
Sat, Aug 29 - Sat, Sep 12
LEVEL Logo
3:20 pm - 7:15 pm
BCN
-
LAX
12h 55mnonstop
LEVEL Logo
8:55 pm - 5:20 pm
LAX
-
BCN
11h 25mnonstop
$666LEVEL
Mon, Aug 31 - Sat, Sep 12
LEVEL Logo
3:05 pm - 7:00 pm
BCN
-
LAX
12h 55mnonstop
LEVEL Logo
8:55 pm - 5:20 pm
LAX
-
BCN
11h 25mnonstop
$667LEVEL
Fri, Nov 6 - Sat, Nov 14
Delta Logo
1:10 pm - 12:10 pm
BCN
-
SAN
32h 00m
1 stop
Delta Logo
7:00 am - 11:10 am
SAN
-
BCN
19h 10m
2 stops
$818Delta
Fri, Nov 6 - Sat, Nov 14
Delta Logo
1:10 pm - 12:10 pm
BCN
-
SAN
32h 00m
1 stop
Delta Logo
7:00 am - 11:10 am
SAN
-
BCN
19h 10m
2 stops
$821Delta
Booking Insights

KAYAK's insights & trends for Barcelona-El Prat to California flights

Get data-powered insights and trends into flights from Barcelona-El Prat to California to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Barcelona-El Prat Airport to California?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Barcelona-El Prat Airport to California departing in September.

What is the cheapest Barcelona-El Prat Airport to California flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to California from Barcelona-El Prat Airport found in the last 5 days was to Los Angeles, at $581 round-trip. The most popular route is from Barcelona-El Prat Airport (BCN) to San Francisco (SFO), and the cheapest round-trip airline ticket found on this route in the last 5 days was $642.

What is the cheapest time of day to fly to California?

The average price for all round-trip flights from Barcelona-El Prat Airport to California depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to California is generally in the evening, when round-trip flights cost $706 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to California is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $752.

Can I save money by flying with a layover from Barcelona-El Prat Airport to California?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $966, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Barcelona-El Prat Airport to California?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Barcelona-El Prat Airport to California, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Barcelona-El Prat Airport to California is November, when tickets cost $234 (return) on average. On the other hand, the most expensive months are May and September, when the average cost of round-trip tickets is $1,393 and $1,059 respectively.

What’s the cheapest day of the week to fly from Barcelona-El Prat to California?

The average price of all round-trip flights from Barcelona-El Prat Airport to California clicked on KAYAK for each day over the last 12 months.

For Barcelona-El Prat to California, Sunday is the cheapest day to fly on average and Monday is the most expensive. Flying from California back to Barcelona-El Prat, the best deals are generally found on Tuesday, with Wednesday being the most expensive.

How far in advance should I book a flight from Barcelona-El Prat Airport to California?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Barcelona-El Prat Airport to California, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Barcelona-El Prat Airport to California, you should book around 4 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$343
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly with an average 14% increase in price.
Flight from Barcelona to Las Vegas

FAQs - booking California flights

  • How does KAYAK find such low prices on flights from Barcelona-El Prat to California?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Barcelona-El Prat to California.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Barcelona-El Prat to California?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Barcelona-El Prat to California is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Barcelona-El Prat to California?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Barcelona-El Prat to California with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Barcelona-El Prat to California?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Barcelona-El Prat to California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 4 airlines serving from Barcelona-El Prat to California

 
See real verified KAYAK customer reviews for airlines flying from Barcelona to California. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Barcelona-El Prat to California? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
DeltaOverall score based on 8456 reviews
7.8Entertainment
7.2Food
8.5Crew
8.1Boarding
7.8Comfort
Airline reviews

Love me some Delta. One of the few airlines to recognize and support veterans. Easy boarding, flight was on time and arrived early and the flight attendants were excellent on this flight.

10.0 ExcellentAnonymous, Jun 2026
SEA - LAX
Read more Delta reviews

Love me some Delta. One of the few airlines to recognize and support veterans. Easy boarding, flight was on time and arrived early and the flight attendants were excellent on this flight.

We sat on the runway for over an hour before departure. That was unwelcome.

Flight delayed four separate times. I’m now one hour hours late to landing.

worst flight ever from Delta, it got delayed and kept on delaying..

Everything went smoothly, although the usual gripes about airline travel were still present: the boarding process is inefficient, the snack selection is limited, and so on. Since there was extra space on the flight, the gate agent rearranged many people's seats to put people on the aisles and windows, leaving the middle seats empty, as much as possible, which was pretty great.

While they turned off most cabin lights to allow people to sleep, I was bothered by how bright the side lights still were. It was still quite bright for me in a window seat, when I wish I could have slept!

For some reason, I couldn't choose my seat. The airline gave me a seat when I got there. Not happy about that. Otherwise, everything else was great!

The way BCN airport handled boarding was a huge improvement over our trip to Spain from JFK. Instead of gate-mosquitos edging in before their zone was called, in BCN they had clearly marked lines for Zones 1-8 and people just lined up correctly. The flight itself was uneventful. The meal (curried chicken and rice) was one of the better meals we've had on Delta. Entertainment options were plentiful, power chargers were available in Main Cabin, and seats were decent. Flight staff were very friendly and positive throughout the 8 hour flight.

third trip overseas with delta recently where the TV did not work- not acceptable for a 8 hour flight! your food really has declined crew great and I am loyal to delta

Did not live up to expectations - lounge benefits of Delta Amex Reerve card not honored for my wife.

Friendly crew, but we were delayed for more than an hour and had to change planes due to maintenance issues.

I flew from Barcelona to Chicago on UA yesterday. The flight was on time, the pilots did a great job and the flight attendants were super nice. All of them. Also food was good, and the drinks, including wine were served a few times during our flight. I highly recommend this airline.

There were no facilities in the middle of the aircraft and premium economy was not allowed to use the business class facilities, and had to share the only two toilets at the back with economy. The upgrade to Premium was definitely not worth it

When I went to check in at the United counter in Barcelona, Spain I had 2 different menat 2 different times in United uniforms (standing around with a couple other employees) ask me if I was traveling alone. The one man asked me 3 different ways if I was traveling alone. I am, 68 yeaers old and have all my faculties. I thought it was weird and it made me feel very uncomfortable. What difference does it make if I was traveling alone or with someone? What if I was a recent widow? That would have been horrible. They never gave me a reason why they needed to know who I was traveling with. I was hesitant to question them because I needed to be on that flight.

I really enjoyed flying with United airlines amazing experience , good customer service and great food

The first flight was an hour and a half late leaving, thus missing my connection. The second flight Departure was two hours late Leaving.

The width of the chair is very small. Not comfortable at all.

No entertainment system or wifi on a 12 hour flight. They failed to include GF meals And snacks as requested on my ticket so I had very little available to eat. Crew seemed indecisive.

one hour to board connecting flight from frankfurt trying to beat the far Z gate and with immigration of USA ppus waited for delayed boarding in gare for an hour and fly half gour late worst transit im frankfurt this airlines are for profit passengers are victim of dysfunctional airline frankfurt so crowded restroom are too small

Seats were very comfortable and everything was in good working order. Crew was disengaged to the point of being rude.

Boarded in group three at Barcelona, which meant going from a gate outside onto a bus to ride across the airport to a plane waiting on the tarmac. When we arrived at the plane, crew behavior told us something was wrong. Bus driver would not let us off for almost twenty minutes, despite being crammed shoulder to shoulder. Eventually, we got onto the plane, but were then told that someone “forgot” to refuel the plane and the truck to do so had not arrived. We departed late enough that we missed our connecting train in NYC, which was the last train of the evening, so we had to stay awake all night in the passenger waiting area of Amtrak’s Penn Station, which was almost impossible to get to because the station was now closing, as it was after midnight. We had to haul four suitcases a few blocks on city streets in the rain to get to the one remaining open entrance to Penn Station. We ended up being up for 36 hours straight because someone couldn’t do their job. Never, ever again would I fly this airline.

Very nice staff, terrible food, not very comfortable premium economy.

Great to have power available for every seat in Premium Economy. I do wish the WiFi was less expensive. It was 23-24 Euros for the flight for one device. And there were times it was unavailable.

At Barcelona, you have to get your passports checked before going to the E gates so give yourself time for that. The restaurants around the D and E gates are really limited compared to prior to passport control. On boarding, the gate staff tried to charge me EUR100 for my carryon, saying it was too big. I put it in their ‘measurement box’ and it fit with the top slightly protruding where the handle was. The gate staff then said my bag was ok to carry and put an ‘approved’ tag on my bag. I was bussed to the plane I boarded a ‘Level’ carrier which I had not heard of before. If you booked through a code share like American, you will be served food and alcohol on the plane. They do not provide complimentary ear phones or blankets. The internet was free but only for texting. WhatsApp worked but Spotify did not. Entertainment choice was adequate, movies were old and selection was limited. On arrival at LAX, my checked in bag was damaged as the wheel was broken. I am taking this up with Iberia. Their website and customer service was moderate in terms of user friendliness. You have to have all your documents and prepared to be patient and persistent. Let’s see how this goes. All n all, for the price I paid, I would recommend Level.

I originally chose two aisle seats for my daughter and myself in the same row. We got seated in the middle, three rows apart. Both of the men sitting in front of us reclined their seats fully leaving us NO room. A totally uncomfortable flight for eleven hours.

No entertainment and WiFi for a 13 hour flight is outrageous. Old plane. Broken seats and toilet of order. To have to pay for food and a blanket under those conditions is ridiculous. We are never flying with Level or Iberia ever again.

We had a seat that would not function. No Wifi or inflight entertainment was available. Food was very poor. Attendants were very accommodating and apologized for the problems.

Booked with Iberia but flight was with Level. This switch of airlines was not published anyware and I was not made aware. Service was horrible, attendants were rude and nowhere to be found. Interior of plane was disgusting and dirty, trash on the floor, bathrooms were dirty (probably because flight attendants were not collecting trash from passengers). I have never encountered this on any other flight or airline. A public bus or metro in Los Angeles is 10 times cleaner. Had I known this was not an Iberia flight I would not have booked this tickets.

We flew Level for the first time direct from Barcelona to San Francisco, and wow, we were pleasantly surprised: large, comfortable seats in economy class, the crew were very friendly and polite the entire trip, and the food and entertainment options were great. We would absolutely fly them again.

Flight was assigned to Level Airlines and meal information was not provided to Level. Level flight attendants refused to serve meals to our family because it was not indicated on our tickets.

The flight attendants were wonderful - one man put my carry on in the bin for me. Very attentive service. Loved the blanket and pillow waiting for me in economy. Food was excellent which is a surprise given the reputation of any airline food. Wine was fine with the meals. Delighted with the new movies - flight went by very quickly. I would definitely fly Lufthansa again.

Never took the flight due to strikes which happens but there was no timely coordination to find me new flights. I had to call Lufthansa and Kayak support only to be given no good options and a 75% refund. Ended up spending way more for alternative flights that I coordinated myself for a trip I had booked 6 months prior.

Come on. A two hour, 7am flight and a small bottle of water and a tiny chocolate bar was provided. No coffee, no nothing. Poor.

Plane was crowded, seats narrow, legroom nearly nonexistent. The entertainment feature didn't work for my row and nobody was able to/interested in trying to repair it. This flight was in direct contrast to a very comfortable Lufthansa flight from RDU to Frankfurt about a week earlier.

Rushed due to connecting Lufthansa flight delay Seating very tight and uncomfortable with poor leg room Long lines for rest room

Better when flight announcements are better produced and slowed down a bissele

My only complaint would be that we paid for insurance in case we needed to change our flights. However we still had to pay to change and was not helped on either travel parties. I would like a refund for my change fees as indicated in our insurance plans.

Le personnel attentionné et trilingue, la tranquillité du vol. Aucun aspect négatif

The only really annoying part was the TV screen. It was kinda messed up. Like it would just randomly turn off or switch. It was also not responsive. Which gets annoying on an almost 12 hour flight

Luftansa over booking canceled my flight 2 days before I left, so I called to reschedule but didn't answer, so I had to cancel. This has ruined my vacation plans and I already had to pay 3 days for a hotel reservation in Barcelona. I don't think I'll ever book this flight again in my life.

Everything you need to know for your flight from Barcelona-El Prat to California

Information on your arrival and departure airports