What is the cheapest airline that flies from Barcelona to San Diego?

WestJet is the most popular carrier operating from Barcelona to San Diego

When did momondo last update prices for flights from Barcelona to San Diego Airport?

Prices for flights from Barcelona to San Diego Airport were last updated today.

How old do you have to be to fly from Barcelona to San Diego Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Barcelona to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$339 Cheap Flights from Barcelona to San Diego in 2026

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Find the cheapest flights from Barcelona to San Diego

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One-way

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12:15 pm - 11:53 am

BCN

SAN

32h 38m

2 stops

4:45 pm - 8:00 am

SAN

BCN

30h 15m

2 stops

$618Air Canada

Thu, Apr 23 - Mon, May 4

12:15 pm - 11:53 am

BCN

SAN

32h 38m

2 stops

4:45 pm - 8:00 am

SAN

BCN

30h 15m

2 stops

$620Air Canada

Thu, Apr 23 - Mon, May 4

6:50 am - 8:47 pm

BCN

SAN

22h 57m

2 stops

6:55 pm - 8:20 am

SAN

BCN

28h 25m

2 stops

$630United Airlines

Mon, Jan 26 - Wed, Feb 25

6:50 am - 11:40 pm

BCN

SAN

25h 50m

2 stops

10:15 pm - 8:20 am

SAN

BCN

26h 05m

1 stop

$631United Airlines

Mon, Feb 23 - Mon, Mar 9

6:50 am - 8:46 pm

BCN

SAN

22h 56m

2 stops

8:30 am - 8:20 am

SAN

BCN

14h 50m

1 stop

$632United Airlines

Wed, Feb 18 - Sun, Feb 22

10:40 am - 6:23 pm

BCN

SAN

16h 43m

1 stop

7:00 pm - 5:55 pm

SAN

BCN

14h 55m

1 stop

$633Multiple Airlines

Mon, Feb 23 - Mon, Mar 9

6:50 am - 9:47 am

BCN

SAN

35h 57m

2 stops

7:55 am - 5:35 pm

SAN

BCN

24h 40m

2 stops

$634United Airlines

Thu, Feb 26 - Thu, Mar 5

5:50 am - 5:29 pm

BCN

SAN

20h 39m

2 stops

11:57 am - 2:45 pm

SAN

BCN

18h 48m

2 stops

$635Lufthansa

Mon, Feb 23 - Mon, Mar 9

10:40 am - 8:41 pm

BCN

SAN

19h 01m

1 stop

6:20 am - 8:50 am

SAN

BCN

17h 30m

1 stop

$637British Airways

Tue, Feb 10 - Wed, Feb 18

6:45 am - 8:49 pm

BCN

SAN

23h 04m

3 stops

6:30 am - 9:00 am

SAN

BCN

17h 30m

2 stops

$638United Airlines

Tue, Feb 10 - Wed, Feb 18

Lufthansa flights from Barcelona to San Diego

Our best Lufthansa deals on Barcelona to San Diego flight tickets

Lufthansa

Feb 23

BCN5:50 amBarcelona-El Prat

20h 39m

2 stops

SAN5:29 pmSan Diego

Mar 9

SAN11:57 amSan Diego

18h 48m

2 stops

BCN2:45 pmBarcelona-El Prat

$635

Lufthansa

Feb 12

BCN6:50 amBarcelona-El Prat

22h 59m

2 stops

SAN8:49 pmSan Diego

Mar 30

SAN6:22 pmSan Diego

19h 03m

2 stops

BCN10:25 pmBarcelona-El Prat

$724

Lufthansa

Feb 27

BCN7:40 amBarcelona-El Prat

17h 05m

1 stop

SAN3:45 pmSan Diego

Mar 6

SAN5:35 pmSan Diego

15h 00m

1 stop

BCN5:35 pmBarcelona-El Prat

$752

United Airlines flights from Barcelona to San Diego

Our best United Airlines deals on Barcelona to San Diego flight tickets

United Airlines

Jan 26

BCN6:50 amBarcelona-El Prat

22h 57m

2 stops

SAN8:47 pmSan Diego

Feb 25

SAN10:15 pmSan Diego

25h 05m

1 stop

BCN8:20 amBarcelona-El Prat

$630

United Airlines

Jan 31

BCN6:50 amBarcelona-El Prat

23h 38m

2 stops

SAN9:28 pmSan Diego

Feb 16

SAN1:40 pmSan Diego

34h 20m

1 stop

BCN9:00 amBarcelona-El Prat

$631

United Airlines

Feb 18

BCN6:50 amBarcelona-El Prat

22h 56m

2 stops

SAN8:46 pmSan Diego

Feb 22

SAN8:30 amSan Diego

14h 50m

1 stop

BCN8:20 amBarcelona-El Prat

$632

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 4/23

12:15 pm-11:53 am

2 stops32h 38m

San Diego

Mon 5/4

4:45 pm-8:00 am

2 stops30h 15m

$618

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 4/23

12:15 pm-11:53 am

2 stops32h 38m

San Diego

Mon 5/4

4:45 pm-8:00 am

2 stops30h 15m

$620

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

6:50 am-8:47 pm

2 stops22h 57m

San Diego

Wed 2/25

6:55 pm-8:20 am

2 stops28h 25m

$630

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 2/23

6:50 am-11:40 pm

2 stops25h 50m

San Diego

Mon 3/9

10:15 pm-8:20 am

1 stop26h 05m

$631

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 2/18

6:50 am-8:46 pm

2 stops22h 56m

San Diego

Sun 2/22

8:30 am-8:20 am

1 stop14h 50m

$632

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 2/23

10:40 am-6:23 pm

1 stop16h 43m

San Diego

Mon 3/9

7:00 pm-5:55 pm

1 stop14h 55m

$633

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 2/26

6:50 am-9:47 am

2 stops35h 57m

San Diego

Thu 3/5

7:55 am-5:35 pm

2 stops24h 40m

$634

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 2/23

5:50 am-5:29 pm

2 stops20h 39m

San Diego

Mon 3/9

11:57 am-2:45 pm

2 stops18h 48m

$635

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Tue 2/10

10:40 am-8:41 pm

1 stop19h 01m

San Diego

Wed 2/18

6:20 am-8:50 am

1 stop17h 30m

$637

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Tue 2/10

6:45 am-8:49 pm

3 stops23h 04m

San Diego

Wed 2/18

6:30 am-9:00 am

2 stops17h 30m

$638

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Barcelona to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of March, then departing from Barcelona during the month May is also very affordable. Most momondo users find prices during this month for around $759.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Barcelona when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $914 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Barcelona for as low as $768 on momondo.

Cheap Barcelona to San Diego flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Barcelona to San Diego

Fastest flight time	18h 40m
Direct flights	None

The fastest flight from Barcelona to San Diego takes 18h 40m

There are no direct flights from Barcelona to San Diego. There are no popular flight routes from Barcelona to San Diego.

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How far is Barcelona to San Diego by plane?
There are 6024.0 mi between Barcelona and San Diego. Typically, this will take 18h 40m by plane in normal conditions.
When did momondo last update prices for flights from Barcelona to San Diego Airport?
Prices for flights from Barcelona to San Diego Airport were last updated today.
How old do you have to be to fly from Barcelona to San Diego Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Barcelona to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Coronado

Chula Vista

El Cajon

Julian

Poway

National City

Imperial Beach

Borrego Springs

San Ysidro

La Mesa

Alpine

Lemon Grove

Santee

Why use momondo?

Why should I use momondo to find a flight deal from Barcelona to San Diego?

Finding the right flight to San Diego from Barcelona is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

Can I find flights from Barcelona to San Diego with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Diego from Barcelona which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Barcelona to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Barcelona to San Diego.

I’m not ready to book a flight from Barcelona to San Diego right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Barcelona and alert you when they change.