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Cheap flights from San Juan to Barcelona from $328

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan to Barcelona departing on 8/19. 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
0 bags

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Find the cheapest flights from San Juan to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:55 pm - 8:20 am
SJU
-
BCN
35h 25m
2 stops
United Airlines Logo
12:00 pm - 11:57 am
BCN
-
SJU
29h 57m
1 stop
$723United Airlines
Sat, Aug 15 - Fri, Aug 28
United Airlines Logo
2:55 pm - 8:20 am
SJU
-
BCN
35h 25m
2 stops
United Airlines Logo
12:15 pm - 11:57 am
BCN
-
SJU
29h 42m
2 stops
$726United Airlines
Sat, Aug 15 - Fri, Aug 28
Iberia Logo
3:28 pm - 1:05 pm
SJU
-
BCN
15h 37m
1 stop
Iberia Logo
9:10 pm - 3:25 pm
BCN
-
SJU
24h 15m
1 stop
$739Iberia
Mon, Aug 17 - Mon, Aug 24
United Airlines Logo
1:00 am - 2:05 pm
SJU
-
BCN
31h 05m
2 stops
United Airlines Logo
1:50 pm - 12:54 pm
BCN
-
SJU
53h 04m
2 stops
$757United Airlines
Mon, Aug 3 - Tue, Aug 18
United Airlines Logo
1:00 am - 8:20 am
SJU
-
BCN
25h 20m
2 stops
United Airlines Logo
11:15 am - 12:54 pm
BCN
-
SJU
31h 39m
1 stop
$773United Airlines
Wed, Aug 12 - Thu, Aug 20
United Airlines Logo
1:00 am - 7:45 pm
SJU
-
BCN
36h 45m
2 stops
United Airlines Logo
1:50 pm - 8:38 pm
BCN
-
SJU
36h 48m
2 stops
$776United Airlines
Sat, Aug 8 - Tue, Aug 18
United Airlines Logo
1:00 am - 8:20 am
SJU
-
BCN
25h 20m
2 stops
United Airlines Logo
6:40 am - 8:38 pm
BCN
-
SJU
19h 58m
2 stops
$777United Airlines
Wed, Aug 12 - Thu, Aug 20
Multiple Airlines Logo
1:38 pm - 9:05 am
SJU
-
BCN
13h 27m
1 stop
Multiple Airlines Logo
9:15 am - 3:25 pm
BCN
-
SJU
12h 10m
1 stop
$780Multiple Airlines
Thu, Aug 6 - Fri, Aug 14
Multiple Airlines Logo
1:38 pm - 9:05 am
SJU
-
BCN
13h 27m
1 stop
Multiple Airlines Logo
7:00 am - 3:25 pm
BCN
-
SJU
14h 25m
1 stop
$783Multiple Airlines
Thu, Aug 6 - Fri, Aug 14
Multiple Airlines Logo
6:51 am - 6:45 am
SJU
-
BCN
17h 54m
1 stop
Multiple Airlines Logo
7:00 am - 3:25 pm
BCN
-
SJU
14h 25m
1 stop
$785Multiple Airlines
Sat, Aug 15 - Fri, Aug 28

British Airways flights from San Juan to Barcelona-El Prat Airport

Our best British Airways deals on San Juan to Barcelona-El Prat Airport flight tickets
British Airways
Aug 6
SJU3:28 pmSan Juan Luis Munoz Marin Intl
22h 07m
2 stops
BCN7:35 pmBarcelona-El Prat
Aug 14
BCN9:15 amBarcelona-El Prat
12h 10m
1 stop
SJU3:25 pmSan Juan Luis Munoz Marin Intl
$810
British Airways
Aug 17
SJU4:53 pmSan Juan Luis Munoz Marin Intl
21h 47m
2 stops
BCN8:40 pmBarcelona-El Prat
Aug 24
BCN12:20 pmBarcelona-El Prat
15h 35m
1 stop
SJU9:55 pmSan Juan Luis Munoz Marin Intl
$843
British Airways
Jul 29
SJU10:35 amSan Juan Luis Munoz Marin Intl
21h 40m
2 stops
BCN2:15 pmBarcelona-El Prat
Aug 11
BCN1:35 pmBarcelona-El Prat
11h 15m
1 stop
SJU6:50 pmSan Juan Luis Munoz Marin Intl
$869

Iberia flights from San Juan to Barcelona-El Prat Airport

Our best Iberia deals on San Juan to Barcelona-El Prat Airport flight tickets
Iberia
Aug 17
SJU3:28 pmSan Juan Luis Munoz Marin Intl
15h 37m
1 stop
BCN1:05 pmBarcelona-El Prat
Aug 24
BCN9:10 pmBarcelona-El Prat
24h 15m
1 stop
SJU3:25 pmSan Juan Luis Munoz Marin Intl
$739
Iberia
Aug 6
SJU3:28 pmSan Juan Luis Munoz Marin Intl
22h 52m
2 stops
BCN8:20 pmBarcelona-El Prat
Aug 14
BCN10:35 amBarcelona-El Prat
14h 15m
1 stop
SJU6:50 pmSan Juan Luis Munoz Marin Intl
$814
Iberia
Aug 20
SJU5:15 pmSan Juan Luis Munoz Marin Intl
14h 45m
1 stop
BCN2:00 pmBarcelona-El Prat
Sep 8
BCN1:35 pmBarcelona-El Prat
11h 15m
1 stop
SJU6:50 pmSan Juan Luis Munoz Marin Intl
$852

momondo Fare Finder

 
Customize your flight search to find flights from San Juan to Barcelona-El Prat Airport 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 May 25, 2026.
Use the filters below to find and compare flights from San Juan to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sat 8/15

2:55 pm-8:20 am

2 stops35h 25m

Barcelona-El Prat

Fri 8/28

12:00 pm-11:57 am

1 stop29h 57m

$723

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sat 8/15

2:55 pm-8:20 am

2 stops35h 25m

Barcelona-El Prat

Fri 8/28

12:15 pm-11:57 am

2 stops29h 42m

$726

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 8/17

3:28 pm-1:05 pm

1 stop15h 37m

Barcelona-El Prat

Mon 8/24

9:10 pm-3:25 pm

1 stop24h 15m

$739

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 8/3

1:00 am-2:05 pm

2 stops31h 05m

Barcelona-El Prat

Tue 8/18

1:50 pm-12:54 pm

2 stops53h 04m

$757

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Wed 8/12

1:00 am-8:20 am

2 stops25h 20m

Barcelona-El Prat

Thu 8/20

11:15 am-12:54 pm

1 stop31h 39m

$773

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sat 8/8

1:00 am-7:45 pm

2 stops36h 45m

Barcelona-El Prat

Tue 8/18

1:50 pm-8:38 pm

2 stops36h 48m

$776

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Wed 8/12

1:00 am-8:20 am

2 stops25h 20m

Barcelona-El Prat

Thu 8/20

6:40 am-8:38 pm

2 stops19h 58m

$777
Quickest round-trip

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Thu 8/6

1:38 pm-9:05 am

1 stop13h 27m

Barcelona-El Prat

Fri 8/14

9:15 am-3:25 pm

1 stop12h 10m

$780

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Thu 8/6

1:38 pm-9:05 am

1 stop13h 27m

Barcelona-El Prat

Fri 8/14

7:00 am-3:25 pm

1 stop14h 25m

$783

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sat 8/15

6:51 am-6:45 am

1 stop17h 54m

Barcelona-El Prat

Fri 8/28

7:00 am-3:25 pm

1 stop14h 25m

$785

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 Barcelona from

How to get the cheapest flight ticket from San Juan to Barcelona-El Prat Airport

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 San Juan and Barcelona-El Prat Airport?

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

The cheapest month to fly to Barcelona-El Prat Airport from San Juan is in February. Flight prices, which tend to average around $294, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Barcelona-El Prat Airport from San Juan during November instead. Flights to Barcelona-El Prat Airport in November, while not as cheap as those in February, still average around $380.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from San Juan when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $729 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from San Juan for as low as $578 on momondo.

Cheap San Juan to Barcelona-El Prat Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan to Barcelona-El Prat Airport

Fastest flight time

13h 10m

Direct flights

None
The fastest flight from San Juan to Barcelona-El Prat Airport takes 13h 10m
There are no direct flights from San Juan to Barcelona-El Prat Airport. There are no popular flight routes from San Juan to Barcelona-El Prat Airport.
Search flight deals

Frequently asked questions about flying from San Juan to Barcelona-El Prat Airport

  • How far is San Juan to Barcelona-El Prat by plane?

    San Juan and Barcelona-El Prat are 4261.5 mi apart from one another. In terms of flight time, this usually takes a little over 13h 10m.

  • When did momondo last update prices for flights from San Juan to Barcelona-El Prat Airport?

    Prices for flights from San Juan to Barcelona-El Prat Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Juan to Barcelona-El Prat Airport?

  • How old do you have to be to fly from San Juan to Barcelona-El Prat Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The travel and health documents you'll need for your trip to Barcelona-El Prat Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Barcelona-El Prat Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Juan to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from San Juan to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $380Free CancellationRating
7.9
8,426 reviews
Search Delta flights
United AirlinesPriceFrom $435Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights
KLMPriceFrom $460Free CancellationRating
7.8
1,521 reviews
Search KLM flights
British AirwaysPriceFrom $460Free CancellationRating
6.7
8,004 reviews
Search British Airways flights
American AirlinesPriceFrom $496Free CancellationRating
7.1
11,630 reviews
Search American Airlines flights
IberiaPriceFrom $535Free CancellationRating
7.0
3,219 reviews
Search Iberia flights
AviancaPriceFrom $585Free CancellationRating
6.5
2,528 reviews
Search Avianca flights
JetBluePriceFrom $747Free CancellationRating
7.1
2,979 reviews
Search JetBlue flights

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Salou
Sitges
Tossa de Mar
Castelldefels
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Cambrils
Cadaques
Badalona
Pineda de Mar
Santa Susanna
Calella de Palafrugell
Pals
Empuriabrava
Roses
Palafrugell
Malgrat de Mar

Why use momondo?

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

Finding the right flight to Barcelona from San Juan 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 Barcelona quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Barcelona from San Juan with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from San Juan.

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

Of course. momondo tracks the price of San Juan to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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