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Cheap flights from Barcelona to San Diego from $421

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Barcelona to San Diego departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Barcelona to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 9:15 pmBCN  Barcelona-El Prat-SAN San Diego
22h 15m2 stops Frankfurt am Main Las Vegas Harry Reid Intl
Multiple Airlines Logo
1:00 pm - 10:10 pmSAN  San Diego-BCN Barcelona-El Prat
24h 10m2 stops San Francisco Frankfurt am Main
$843Multiple Airlines
Thu, Sep 10 - Wed, Sep 23
TAP AIR PORTUGAL Logo
6:45 am - 9:37 amBCN  Barcelona-El Prat-SAN San Diego
35h 52m2 stops Lisbon Humberto Delgado New York John F Kennedy Intl
TAP AIR PORTUGAL Logo
10:47 am - 11:45 pmSAN  San Diego-BCN Barcelona-El Prat
27h 58m2 stops New York John F Kennedy Intl Lisbon Humberto Delgado
$849TAP AIR PORTUGAL
Fri, Nov 6 - Sat, Nov 14
TAP AIR PORTUGAL Logo
6:45 am - 9:37 amBCN  Barcelona-El Prat-SAN San Diego
35h 52m2 stops Lisbon Humberto Delgado New York John F Kennedy Intl
TAP AIR PORTUGAL Logo
10:47 am - 11:45 pmSAN  San Diego-BCN Barcelona-El Prat
27h 58m2 stops New York John F Kennedy Intl Lisbon Humberto Delgado
$850TAP AIR PORTUGAL
Fri, Nov 6 - Sat, Nov 14
TAP AIR PORTUGAL Logo
6:45 am - 9:37 amBCN  Barcelona-El Prat-SAN San Diego
35h 52m2 stops Lisbon Humberto Delgado New York John F Kennedy Intl
TAP AIR PORTUGAL Logo
10:47 am - 11:45 pmSAN  San Diego-BCN Barcelona-El Prat
27h 58m2 stops New York John F Kennedy Intl Lisbon Humberto Delgado
$851TAP AIR PORTUGAL
Fri, Nov 6 - Sat, Nov 14
Multiple Airlines Logo
8:00 am - 9:15 pmBCN  Barcelona-El Prat-SAN San Diego
22h 15m2 stops Frankfurt am Main Las Vegas Harry Reid Intl
Multiple Airlines Logo
1:00 pm - 10:10 pmSAN  San Diego-BCN Barcelona-El Prat
24h 10m2 stops San Francisco Frankfurt am Main
$854Multiple Airlines
Thu, Sep 10 - Thu, Sep 24
Multiple Airlines Logo
8:00 am - 10:59 pmBCN  Barcelona-El Prat-SAN San Diego
23h 59m2 stops Frankfurt am Main San Francisco
Multiple Airlines Logo
11:11 am - 10:10 pmSAN  San Diego-BCN Barcelona-El Prat
25h 59m2 stops San Francisco Frankfurt am Main
$867Multiple Airlines
Wed, Sep 2 - Tue, Sep 8
TAP AIR PORTUGAL Logo
12:35 pm - 10:05 amBCN  Barcelona-El Prat-SAN San Diego
30h 30m2 stops Lisbon Humberto Delgado Boston Logan Intl
TAP AIR PORTUGAL Logo
10:47 am - 5:15 pmSAN  San Diego-BCN Barcelona-El Prat
21h 28m2 stops New York John F Kennedy Intl Lisbon Humberto Delgado
$877TAP AIR PORTUGAL
Mon, Nov 9 - Tue, Nov 17
TAP AIR PORTUGAL Logo
2:35 pm - 10:05 amBCN  Barcelona-El Prat-SAN San Diego
28h 30m2 stops Lisbon Humberto Delgado Boston Logan Intl
TAP AIR PORTUGAL Logo
10:47 am - 5:15 pmSAN  San Diego-BCN Barcelona-El Prat
21h 28m2 stops New York John F Kennedy Intl Lisbon Humberto Delgado
$877TAP AIR PORTUGAL
Mon, Nov 9 - Tue, Nov 17
Lufthansa Logo
7:30 am - 3:45 pmBCN  Barcelona-El Prat-SAN San Diego
17h 15m1 stop Munich Franz Josef Strauss
Lufthansa Logo
5:35 pm - 5:35 pmSAN  San Diego-BCN Barcelona-El Prat
15h 00m1 stop Munich Franz Josef Strauss
$888Lufthansa
Sat, Jan 9 - Sat, Feb 6
Lufthansa Logo
8:00 am - 6:35 pmBCN  Barcelona-El Prat-SAN San Diego
19h 35m2 stops Frankfurt am Main San Francisco
Lufthansa Logo
2:07 pm - 1:15 pmSAN  San Diego-BCN Barcelona-El Prat
14h 08m1 stop Chicago O'Hare Intl
$897Lufthansa
Thu, Sep 17 - Thu, Oct 1

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Lufthansa flights from Barcelona to San Diego

Our best Lufthansa deals on Barcelona to San Diego flight tickets
Lufthansa
Jan 9
BCN7:30 amBarcelona-El Prat
17h 15m
1 stop
SAN3:45 pmSan Diego
Feb 6
SAN5:35 pmSan Diego
15h 00m
1 stop
BCN5:35 pmBarcelona-El Prat
$888
Lufthansa
Sep 17
BCN8:00 amBarcelona-El Prat
19h 35m
2 stops
SAN6:35 pmSan Diego
Oct 1
SAN2:07 pmSan Diego
14h 08m
1 stop
BCN1:15 pmBarcelona-El Prat
$897
Lufthansa
Sep 17
BCN9:10 amBarcelona-El Prat
15h 15m
1 stop
SAN3:25 pmSan Diego
Oct 1
SAN2:07 pmSan Diego
14h 08m
1 stop
BCN1:15 pmBarcelona-El Prat
$907

TAP AIR PORTUGAL flights from Barcelona to San Diego

Our best TAP AIR PORTUGAL deals on Barcelona to San Diego flight tickets
TAP AIR PORTUGAL
Nov 6
BCN6:45 amBarcelona-El Prat
35h 52m
2 stops
SAN9:37 amSan Diego
Nov 14
SAN10:47 amSan Diego
27h 58m
2 stops
BCN11:45 pmBarcelona-El Prat
$849
TAP AIR PORTUGAL
Nov 6
BCN6:45 amBarcelona-El Prat
35h 52m
2 stops
SAN9:37 amSan Diego
Nov 14
SAN10:47 amSan Diego
27h 58m
2 stops
BCN11:45 pmBarcelona-El Prat
$850
TAP AIR PORTUGAL
Nov 6
BCN6:45 amBarcelona-El Prat
35h 52m
2 stops
SAN9:37 amSan Diego
Nov 14
SAN10:47 amSan Diego
27h 58m
2 stops
BCN11:45 pmBarcelona-El Prat
$851

momondo Fare Finder

 
Customize your flight search to find flights from Barcelona to San Diego 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, momondo users made 832,500 searches. Data last updated August 8, 2026.
Use the filters below to find and compare flights from Barcelona to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Thu 9/10

8:00 am-9:15 pm

2 stops22h 15m

San Diego

Wed 9/23

1:00 pm-10:10 pm

2 stops24h 10m

$843

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Fri 11/6

6:45 am-9:37 am

2 stops35h 52m

San Diego

Sat 11/14

10:47 am-11:45 pm

2 stops27h 58m

$849

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Fri 11/6

6:45 am-9:37 am

2 stops35h 52m

San Diego

Sat 11/14

10:47 am-11:45 pm

2 stops27h 58m

$850

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Fri 11/6

6:45 am-9:37 am

2 stops35h 52m

San Diego

Sat 11/14

10:47 am-11:45 pm

2 stops27h 58m

$851

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Thu 9/10

8:00 am-9:15 pm

2 stops22h 15m

San Diego

Thu 9/24

1:00 pm-10:10 pm

2 stops24h 10m

$854

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Wed 9/2

8:00 am-10:59 pm

2 stops23h 59m

San Diego

Tue 9/8

11:11 am-10:10 pm

2 stops25h 59m

$867

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Mon 11/9

12:35 pm-10:05 am

2 stops30h 30m

San Diego

Tue 11/17

10:47 am-5:15 pm

2 stops21h 28m

$877

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Mon 11/9

2:35 pm-10:05 am

2 stops28h 30m

San Diego

Tue 11/17

10:47 am-5:15 pm

2 stops21h 28m

$877
Quickest round-trip

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Sat 1/9

7:30 am-3:45 pm

1 stop17h 15m

San Diego

Sat 2/6

5:35 pm-5:35 pm

1 stop15h 00m

$888

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Thu 9/17

8:00 am-6:35 pm

2 stops19h 35m

San Diego

Thu 10/1

2:07 pm-1:15 pm

1 stop14h 08m

$897

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

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

What is the typical price of a round-trip flight between Barcelona and San Diego?

Prices are currently low for flights on this route.

Typical prices usually range from $1,047 to $1,271.
The lowest price recently found on this route was $843.

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of October, then departing from Barcelona during the month November is also very affordable. Most momondo users find prices during this month for around $807.

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

14h 30m

Direct flights

None
The fastest flight from Barcelona to San Diego takes 14h 30m
There are no direct flights from Barcelona to San Diego. There are no popular flight routes from Barcelona to San Diego.
Search flight deals

Frequently asked questions about flying from Barcelona to San Diego

  • How far is Barcelona to San Diego by plane?

    There are 6024.0 mi between Barcelona and San Diego. Typically, this will take 14h 30m 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 many operators does momondo search for flights from Barcelona to San Diego Airport?

  • 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.

Best airlines flying from Barcelona to San Diego

Compare and see reviews for airlines that fly from Barcelona to San Diego with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $836Free CancellationRating
6.8
8,177 reviews
Search Lufthansa flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
Coronado
El Cajon
National City
Julian
La Mesa
Poway
San Ysidro
Imperial Beach
Borrego Springs
Santee
Lemon Grove
Alpine

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.

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