What are the cheapest airlines flying from Barcelona-El Prat Airport to San Diego round-trip?

Iberia, at $642, was found to be the cheapest airline from Barcelona-El Prat Airport to San Diego.Alternate airlines to your destination round-trip include Finnair and American Airlines. These flights start at 25% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Barcelona-El Prat Airport to San Diego one-way?

To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $465. TAP AIR PORTUGAL flights start at $643 while deals on Delta start at $754 one-way.

What is the cheapest day to fly from Barcelona-El Prat Airport to San Diego?

Travelers seeking maximum savings on their Barcelona-El Prat Airport to San Diego flight should consider departing on Wednesday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from Barcelona-El Prat Airport to San Diego?

On average you can expect to pay $235 for a flight from Barcelona-El Prat Airport to San Diego. The cheapest flight overall is $143 while the most popular route, (Barcelona-El Prat - San Diego) is currently priced at $556.

What are the most popular airlines that fly from Barcelona-El Prat Airport to San Diego?

Before booking your flight from Barcelona-El Prat Airport to San Diego check out the most popular airlines for this route: American Airlines, British Airways or United Airlines.

What is the cheapest day to fly round-trip from Barcelona-El Prat Airport to San Diego?

Flying to your destination on a Monday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Diego. Check prices with Cheapflights to find a great deal for your trip.

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

To save on the cost of your flight from Barcelona-El Prat Airport to San Diego, book at least 18 days before your planned departure. Booking around this time can save you about 43% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $675 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,016.

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

The best pricing can be found in the month of March. Prices to San Diego from Barcelona-El Prat Airport average $859. You can even find prices in March for less than $859, as users have found deals to San Diego from as low as $610. The month of July appears to be one of the more expensive times to travel to San Diego from Barcelona-El Prat Airport. Flying in the targeted month can save you up to 30%.

What is the cheapest time of day to fly from BCN to SAN?

When flying from Barcelona-El Prat Airport to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 28% versus a flight in the afternoon.

Most accurate provider : When it comes to deals on Barcelona-El Prat Airport-San Diego 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-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-San Diego flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Barcelona-El Prat Airport-San Diego 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-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to San Diego from Barcelona-El Prat?

San Diego (SAN) is the airport you will fly into if you book a flight from Barcelona-El Prat to San Diego. You should not have trouble finding flights to San Diego 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 3 airlines have flights to the San Diego airport from Barcelona-El Prat. It is only a 2.6 mi journey from San Diego (SAN) to San Diego’s city center.

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

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

How can I find direct flights from Barcelona-El Prat to San Diego?

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 San Diego.

Can I find deals for business class flights from Barcelona-El Prat to San Diego?

Yes. Cheapflights offers flight deals from Barcelona-El Prat to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$314+ Flights from Barcelona-El Prat Airport to San Diego

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Barcelona-El Prat to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Barcelona-El Prat to San Diego are usually found in March or January, booked 17 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Barcelona-El Prat to San Diego

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$642 (lol.travel)
One-way from	$314 (Kiwi.com)
Popular in	July
Cheapest in	March
Average price	$701
Good one-way deal	$143 or less

Provider with most accurate pricing for Barcelona-El Prat-San Diego flight deals.

Search Deals

Provider most trusted by Cheapflights users for Barcelona-El Prat-San Diego flights.

Search Deals

From Barcelona-El Prat to San Diego

Search Deals

One-way flight from Barcelona-El Prat to San Diego

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($185 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a one-way flight from Barcelona-El Prat to San Diego.

Search Deals

Find flight deals from Barcelona-El Prat to San Diego

Cheapest flights from Barcelona-El Prat to San Diego
Explore the most affordable flight options available from Barcelona-El Prat to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Fri 5/237:00 pmBCN - SAN

2 stops34h 32mScandinavian Airlines

Sat 6/77:20 amSAN - BCN

2 stops25h 50mScandinavian Airlines

Deal found 3/27

$543

Mon 5/1210:45 amBCN - SAN

1 stop17h 31mIberia

Mon 5/266:15 amSAN - BCN

1 stop19h 15mIberia

Deal found 3/27

$642

Mon 5/1210:45 amBCN - SAN

1 stop22h 14mFinnair

Mon 5/1910:19 amSAN - BCN

1 stop15h 11mFinnair

Deal found 3/27

$652

Wed 6/252:25 pmBCN - SAN

1 stop29h 05mMultiple Airlines

Mon 7/79:50 pmSAN - BCN

2 stops38h 25mMultiple Airlines

Deal found 3/27

$710

Mon 5/1210:45 amBCN - SAN

1 stop17h 31mAmerican Airlines

Mon 5/2610:19 amSAN - BCN

1 stop15h 11mAmerican Airlines

Deal found 3/27

$712

Wed 8/276:20 amBCN - SAN

2 stops21h 32mDelta

Wed 9/31:35 pmSAN - BCN

2 stops18h 35mDelta

Deal found 3/27

$718

Mon 5/1210:20 amBCN - SAN

2 stops18h 56mUnited Airlines

Mon 5/197:25 pmSAN - BCN

2 stops27h 25mUnited Airlines

Deal found 3/27

$753

Mon 5/129:05 amBCN - SAN

1 stop15h 20mLufthansa

Mon 5/2610:43 amSAN - BCN

2 stops17h 22mLufthansa

Deal found 3/27

$758

Tue 4/291:15 pmBCN - SAN

2 stops38h 14mAir Canada

Mon 7/76:47 pmSAN - BCN

2 stops28h 03mAir Canada

Deal found 3/27

$771

Sat 5/311:05 amBCN - SAN

2 stops18h 21mKLM

Mon 7/710:00 amSAN - BCN

2 stops17h 35mKLM

Deal found 3/27

$788

Sun 5/49:20 pmBCN - SAN

1 stop26h 30mBritish Airways

Mon 7/710:40 amSAN - BCN

1 stop14h 30mBritish Airways

Deal found 3/27

$844

Sat 5/311:05 pmBCN - SAN

2 stops29h 22mAer Lingus

Sun 7/610:45 pmSAN - BCN

2 stops38h 40mAer Lingus

Deal found 3/27

$1,122

Best flights from Barcelona-El Prat to San Diego
Discover carefully curated flight deals from Barcelona-El Prat to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Mon 5/1210:45 amBCN - SAN

1 stop17h 31mIberia

Mon 5/266:15 amSAN - BCN

1 stop19h 15mIberia

Deal found 3/27

$642

Mon 5/1210:45 amBCN - SAN

1 stop22h 14mFinnair

Mon 5/1910:19 amSAN - BCN

1 stop15h 11mFinnair

Deal found 3/27

$652

Mon 5/1210:45 amBCN - SAN

1 stop17h 31mAmerican Airlines

Mon 5/2610:19 amSAN - BCN

1 stop15h 11mAmerican Airlines

Deal found 3/27

$712

Mon 5/126:00 amBCN - SAN

2 stops23h 24mMultiple Airlines

Mon 5/2611:15 amSAN - BCN

2 stops17h 00mMultiple Airlines

Deal found 3/27

$743

Mon 5/124:00 pmBCN - SAN

2 stops26h 35mUnited Airlines

Mon 5/2611:15 amSAN - BCN

2 stops17h 00mUnited Airlines

Deal found 3/26

$751

Mon 5/129:05 amBCN - SAN

1 stop15h 20mLufthansa

Mon 5/2610:43 amSAN - BCN

2 stops17h 22mLufthansa

Deal found 3/27

$758

Tue 4/291:15 pmBCN - SAN

2 stops38h 14mAir Canada

Mon 7/76:47 pmSAN - BCN

2 stops28h 03mAir Canada

Deal found 3/27

$771

Wed 4/236:20 amBCN - SAN

2 stops21h 21mDelta

Wed 4/301:30 pmSAN - BCN

2 stops18h 40mDelta

Deal found 3/27

$772

Sat 5/311:05 amBCN - SAN

2 stops18h 21mKLM

Mon 7/710:00 amSAN - BCN

2 stops17h 35mKLM

Deal found 3/27

$788

Sun 5/49:20 pmBCN - SAN

1 stop26h 30mBritish Airways

Mon 7/710:40 amSAN - BCN

1 stop14h 30mBritish Airways

Deal found 3/27

$844

Sun 6/229:15 pmBCN - SAN

2 stops32h 25mAir France

Wed 9/177:00 amSAN - BCN

1 stop19h 55mAir France

Deal found 3/26

$1,028

Last-minute flights from Barcelona-El Prat to San Diego
Discover last-minute flight deals from Barcelona-El Prat to San Diego. Data last updated March 28, 2025 and is based on user searches.

Tue 4/112:20 pmBCN - SAN

1 stop18h 51mIberia

Tue 4/89:20 amSAN - BCN

1 stop15h 50mIberia

Deal found 3/26

$702

Wed 4/210:35 amBCN - SAN

1 stop16h 25mBritish Airways

Wed 4/97:50 pmSAN - BCN

1 stop17h 55mBritish Airways

Deal found 3/27

$865

Wed 4/29:20 amBCN - SAN

2 stops22h 28mDelta

Wed 4/96:15 amSAN - BCN

2 stops17h 45mDelta

Deal found 3/27

$911

Tue 4/86:00 amBCN - SAN

3 stops46h 54mMultiple Airlines

Tue 4/156:15 amSAN - BCN

3 stops32h 25mMultiple Airlines

Deal found 3/26

$706

Tue 4/810:45 amBCN - SAN

1 stop21h 43mFinnair

Tue 4/159:20 amSAN - BCN

1 stop15h 50mFinnair

Deal found 3/26

$731

Thu 4/1012:10 pmBCN - SAN

2 stops34h 36mUnited Airlines

Thu 4/245:48 pmSAN - BCN

2 stops29h 32mUnited Airlines

Deal found 3/27

$927

Mon 4/216:10 amBCN - SAN

2 stops19h 01mAir France

Tue 7/16:15 amSAN - BCN

1 stop18h 05mAir France

Deal found 3/27

$1,214

Tue 4/226:20 amBCN - SAN

2 stops18h 51mKLM

Mon 6/306:15 amSAN - BCN

1 stop18h 05mKLM

Deal found 3/27

$937

Wed 4/2310:45 amBCN - SAN

1 stop17h 37mIberia

Wed 4/306:24 amSAN - BCN

1 stop17h 41mIberia

Deal found 3/27

$687

Wed 4/236:20 amBCN - SAN

2 stops21h 21mDelta

Wed 4/301:30 pmSAN - BCN

2 stops18h 40mDelta

Deal found 3/27

$772

Wed 4/2312:20 pmBCN - SAN

1 stop18h 34mAmerican Airlines

Fri 6/276:15 amSAN - BCN

1 stop18h 55mAmerican Airlines

Deal found 3/27

$1,067

Sat 4/269:05 amBCN - SAN

1 stop15h 20mLufthansa

Sat 5/39:50 amSAN - BCN

1 stop19h 10mLufthansa

Deal found 3/27

$764

One-way flights from Barcelona-El Prat to San Diego
Search for one-way flight options from Barcelona-El Prat to San Diego. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Fri 6/205:45 amBCN - SAN

2 stops40h 35mMultiple Airlines

Deal found 3/27

$314

Sat 5/172:25 pmBCN - SAN

2 stops54h 44mWestJet

Deal found 3/27

$465

Thu 6/123:00 pmBCN - SAN

2 stops27h 09mTAP AIR PORTUGAL

Deal found 3/27

$643

Thu 6/126:20 amBCN - SAN

1 stop14h 40mDelta

Deal found 3/27

$754

Wed 6/186:20 amBCN - SAN

2 stops17h 59mKLM

Deal found 3/27

$766

Fri 7/411:50 amBCN - SAN

2 stops20h 56mAir Europa

Deal found 3/27

$786

Wed 8/612:20 pmBCN - SAN

1 stop16h 32mIberia

Deal found 3/27

$906

Wed 9/2412:20 pmBCN - SAN

1 stop16h 33mBritish Airways

Deal found 3/27

$1,198

Mon 6/2312:50 pmBCN - SAN

2 stops20h 06mAmerican Airlines

Deal found 3/27

$1,261

Fri 7/412:10 pmBCN - SAN

3 stops43h 34mUnited Airlines

Deal found 3/27

$1,470

Tue 6/243:15 pmBCN - SAN

1 stop15h 59mLufthansa

Deal found 3/27

$2,261

Cheapflights Fare Finder

Use the filters below to find and compare flights from Barcelona-El Prat Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 5/23

7:00 pm-8:32 pm

2 stops34h 32m

San Diego

Sat 6/7

7:20 am-6:10 pm

2 stops25h 50m

$543

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 5/12

10:45 am-7:16 pm

1 stop17h 31m

San Diego

Mon 5/26

6:15 am-10:30 am

1 stop19h 15m

$642

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 5/12

10:45 am-11:59 pm

1 stop22h 14m

San Diego

Mon 5/19

10:19 am-10:30 am

1 stop15h 11m

$652

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 6/25

2:25 pm-10:30 am

1 stop29h 05m

San Diego

Mon 7/7

9:50 pm-9:15 pm

2 stops38h 25m

$710

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 5/12

10:45 am-7:16 pm

1 stop17h 31m

San Diego

Mon 5/26

10:19 am-10:30 am

1 stop15h 11m

$712

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 8/27

6:20 am-6:52 pm

2 stops21h 32m

San Diego

Wed 9/3

1:35 pm-5:10 pm

2 stops18h 35m

$718

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 5/12

10:20 am-8:16 pm

2 stops18h 56m

San Diego

Mon 5/19

7:25 pm-7:50 am

2 stops27h 25m

$753

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 5/12

9:05 am-3:25 pm

1 stop15h 20m

San Diego

Mon 5/26

10:43 am-1:05 pm

2 stops17h 22m

$758

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Tue 4/29

1:15 pm-6:29 pm

2 stops38h 14m

San Diego

Mon 7/7

6:47 pm-7:50 am

2 stops28h 03m

$771

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sat 5/3

11:05 am-8:26 pm

2 stops18h 21m

San Diego

Mon 7/7

10:00 am-12:35 pm

2 stops17h 35m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 26 results

Compare providers for flights from Barcelona-El Prat to San Diego

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Barcelona-El Prat to San Diego in March.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Barcelona-El Prat Airport-San Diego 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-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-San Diego flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Barcelona-El Prat Airport-San Diego 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-San Diego 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 San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego 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 San Diego

How far ahead should I book a flight from Barcelona-El Prat Airport to San Diego?

The price you pay for your flight from Barcelona-El Prat Airport to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 17 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Barcelona-El Prat Airport to San Diego?

Currently, August is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $286). Flying from Barcelona-El Prat Airport to San Diego in March is currently the most expensive (average of $366). 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.

Rainfall in San Diego by month

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Barcelona to San Diego to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,896 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,267 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.4

Good

1,424 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,603 reviews

Delta

8.0

Very good

7,896 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to San Diego from Barcelona-El Prat?
San Diego (SAN) is the airport you will fly into if you book a flight from Barcelona-El Prat to San Diego. You should not have trouble finding flights to San Diego 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 3 airlines have flights to the San Diego airport from Barcelona-El Prat. It is only a 2.6 mi journey from San Diego (SAN) to San Diego’s city center.
What are the cheapest airlines flying from Barcelona-El Prat Airport to San Diego round-trip?
Iberia, at $642, was found to be the cheapest airline from Barcelona-El Prat Airport to San Diego.Alternate airlines to your destination round-trip include Finnair and American Airlines. These flights start at 25% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Barcelona-El Prat Airport to San Diego one-way?
To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $465. TAP AIR PORTUGAL flights start at $643 while deals on Delta start at $754 one-way.
What are the cheapest flights from Barcelona-El Prat Airport to San Diego?
On average you can expect to pay $235 for a flight from Barcelona-El Prat Airport to San Diego. The cheapest flight overall is $143 while the most popular route, (Barcelona-El Prat - San Diego) is currently priced at $556.
Can I find deals for flights from Barcelona-El Prat to San Diego that include hotel bookings?
Yes. In addition to deals on Barcelona-El Prat to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Barcelona-El Prat to San Diego?
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 San Diego.
Can I find deals for business class flights from Barcelona-El Prat to San Diego?
Yes. Cheapflights offers flight deals from Barcelona-El Prat to San Diego 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 San Diego?
Currently, August is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $286). Flying from Barcelona-El Prat Airport to San Diego in March is currently the most expensive (average of $366). 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

El Cajon

Chula Vista

Lemon Grove

National City

Imperial Beach

La Mesa

Alpine

Poway

Santee

Coronado

Borrego Springs

Browse thousands of different options on Cheapflights for your next trip

Other flights to San Diego

Top 3 airlines flying from Barcelona-El Prat to San Diego

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$618	Average$852	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$732	Average$904	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$778	Average$913	FlexibilityNo cancel fee	On-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$314+ Cheap flights from Barcelona-El Prat (BCN) to San Diego (SAN)

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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Barcelona-El Prat to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Barcelona-El Prat to San Diego are usually found in March or January, booked 17 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Barcelona-El Prat to San Diego

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Find flight deals from Barcelona-El Prat to San Diego

Cheapest flights from Barcelona-El Prat to San DiegoExplore the most affordable flight options available from Barcelona-El Prat to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Explore the most affordable flight options available from Barcelona-El Prat to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Barcelona-El Prat Airport to San Diego that are best for you.

Compare providers for flights from Barcelona-El Prat to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Barcelona-El Prat to San Diego in March.

Best time to book a flight from Barcelona-El Prat to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Barcelona-El Prat with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Barcelona-El Prat Airport to San Diego

How far ahead should I book a flight from Barcelona-El Prat Airport to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Barcelona-El Prat to San Diego. Price data was last updated on March 21, 2025.

What is the cheapest month to book a flight from Barcelona-El Prat Airport to San Diego?

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

Reviews of airlines servicing San Diego

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Barcelona to San Diego to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat to San Diego. 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 San Diego from Barcelona-El Prat?

What are the cheapest airlines flying from Barcelona-El Prat Airport to San Diego round-trip?

What are the cheapest airlines to fly from Barcelona-El Prat Airport to San Diego one-way?

What are the cheapest flights from Barcelona-El Prat Airport to San Diego?

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

How can I find direct flights from Barcelona-El Prat to San Diego?

Can I find deals for business class flights from Barcelona-El Prat to San Diego?

What is the cheapest month to book a flight from Barcelona-El Prat Airport to San Diego?

Traveling to a place near Barcelona-El Prat Airport?

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 Barcelona-El Prat to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Barcelona-El Prat to San Diego

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Barcelona-El Prat to San Diego
Explore the most affordable flight options available from Barcelona-El Prat to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.