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Cheap flights from San Juan to Barcelona from $310

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 8/3. 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 San Juan to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
1:05 pm - 1:40 pm
SJU
-
BCN
18h 35m
1 stop
Avianca Logo
1:50 pm - 11:25 am
BCN
-
SJU
27h 35m
1 stop
$633Avianca
Sat, Aug 8 - Wed, Aug 19
Avianca Logo
6:35 pm - 8:45 am
SJU
-
BCN
32h 10m
1 stop
Avianca Logo
1:50 pm - 5:10 pm
BCN
-
SJU
33h 20m
1 stop
$656Avianca
Mon, Oct 5 - Mon, Oct 19
Avianca Logo
6:35 pm - 8:45 am
SJU
-
BCN
32h 10m
1 stop
Avianca Logo
1:50 pm - 5:10 pm
BCN
-
SJU
33h 20m
1 stop
$681Avianca
Wed, Aug 12 - Mon, Aug 24
United Airlines Logo
1:25 pm - 9:00 am
SJU
-
BCN
13h 35m
1 stop
United Airlines Logo
6:40 am - 11:50 pm
BCN
-
SJU
23h 10m
2 stops
$702United Airlines
Tue, Oct 6 - Tue, Oct 20
United Airlines Logo
6:45 pm - 8:00 am
SJU
-
BCN
31h 15m
2 stops
United Airlines Logo
6:40 am - 11:50 pm
BCN
-
SJU
23h 10m
2 stops
$705United Airlines
Tue, Oct 6 - Tue, Oct 20
British Airways Logo
2:18 pm - 2:15 pm
SJU
-
BCN
17h 57m
2 stops
British Airways Logo
9:10 pm - 3:25 pm
BCN
-
SJU
24h 15m
1 stop
$736British Airways
Tue, Oct 6 - Tue, Oct 20
British Airways Logo
2:18 pm - 4:25 pm
SJU
-
BCN
20h 07m
2 stops
British Airways Logo
9:20 pm - 10:22 pm
BCN
-
SJU
31h 02m
2 stops
$742British Airways
Mon, Oct 5 - Mon, Oct 19
British Airways Logo
10:36 am - 7:35 am
SJU
-
BCN
14h 59m
1 stop
British Airways Logo
9:20 pm - 10:22 pm
BCN
-
SJU
31h 02m
2 stops
$744British Airways
Mon, Oct 5 - Mon, Oct 19
Multiple Airlines Logo
6:20 am - 7:35 am
SJU
-
BCN
19h 15m
1 stop
Multiple Airlines Logo
7:00 am - 7:15 pm
BCN
-
SJU
18h 15m
1 stop
$749Multiple Airlines
Mon, Oct 5 - Sun, Oct 18
United Airlines Logo
6:45 pm - 8:20 am
SJU
-
BCN
31h 35m
2 stops
United Airlines Logo
11:15 am - 1:45 pm
BCN
-
SJU
32h 30m
2 stops
$750United Airlines
Sat, Sep 19 - Fri, Oct 2

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Delta flights from San Juan to Barcelona-El Prat Airport

Our best Delta deals on San Juan to Barcelona-El Prat Airport flight tickets
Delta
Aug 9
SJU7:30 amSan Juan Luis Munoz Marin Intl
19h 30m
2 stops
BCN9:00 amBarcelona-El Prat
Aug 25
BCN11:10 amBarcelona-El Prat
18h 42m
2 stops
SJU11:52 pmSan Juan Luis Munoz Marin Intl
$839
Delta
Aug 9
SJU5:50 pmSan Juan Luis Munoz Marin Intl
17h 20m
2 stops
BCN5:10 pmBarcelona-El Prat
Aug 25
BCN11:10 amBarcelona-El Prat
18h 42m
2 stops
SJU11:52 pmSan Juan Luis Munoz Marin Intl
$841

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
Oct 6
SJU6:20 amSan Juan Luis Munoz Marin Intl
19h 15m
1 stop
BCN7:35 amBarcelona-El Prat
Oct 20
BCN7:40 amBarcelona-El Prat
32h 06m
2 stops
SJU9:46 amSan Juan Luis Munoz Marin Intl
$744
British Airways
Aug 9
SJU10:33 amSan Juan Luis Munoz Marin Intl
16h 32m
1 stop
BCN9:05 amBarcelona-El Prat
Aug 25
BCN12:20 pmBarcelona-El Prat
30h 20m
1 stop
SJU12:40 pmSan Juan Luis Munoz Marin Intl
$842
British Airways
Sep 25
SJU2:58 pmSan Juan Luis Munoz Marin Intl
22h 02m
2 stops
BCN7:00 pmBarcelona-El Prat
Oct 9
BCN12:50 pmBarcelona-El Prat
16h 07m
1 stop
SJU10:57 pmSan Juan Luis Munoz Marin Intl
$845

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 July 12, 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 8/8

1:05 pm-1:40 pm

1 stop18h 35m

Barcelona-El Prat

Wed 8/19

1:50 pm-11:25 am

1 stop27h 35m

$633

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 10/5

6:35 pm-8:45 am

1 stop32h 10m

Barcelona-El Prat

Mon 10/19

1:50 pm-5:10 pm

1 stop33h 20m

$656

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Wed 8/12

6:35 pm-8:45 am

1 stop32h 10m

Barcelona-El Prat

Mon 8/24

1:50 pm-5:10 pm

1 stop33h 20m

$681
Quickest round-trip

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 10/6

1:25 pm-9:00 am

1 stop13h 35m

Barcelona-El Prat

Tue 10/20

6:40 am-11:50 pm

2 stops23h 10m

$702

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 10/6

6:45 pm-8:00 am

2 stops31h 15m

Barcelona-El Prat

Tue 10/20

6:40 am-11:50 pm

2 stops23h 10m

$705

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 10/6

2:18 pm-2:15 pm

2 stops17h 57m

Barcelona-El Prat

Tue 10/20

9:10 pm-3:25 pm

1 stop24h 15m

$736

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 10/5

2:18 pm-4:25 pm

2 stops20h 07m

Barcelona-El Prat

Mon 10/19

9:20 pm-10:22 pm

2 stops31h 02m

$742

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 10/5

10:36 am-7:35 am

1 stop14h 59m

Barcelona-El Prat

Mon 10/19

9:20 pm-10:22 pm

2 stops31h 02m

$744

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 10/5

6:20 am-7:35 am

1 stop19h 15m

Barcelona-El Prat

Sun 10/18

7:00 am-7:15 pm

1 stop18h 15m

$749

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sat 9/19

6:45 pm-8:20 am

2 stops31h 35m

Barcelona-El Prat

Fri 10/2

11:15 am-1:45 pm

2 stops32h 30m

$750

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $780 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 $710 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

12h 30m

Direct flights

None
The fastest flight from San Juan to Barcelona-El Prat Airport takes 12h 30m
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 12h 30m.

  • 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
7.8
8,461 reviews
Search Delta flights
United AirlinesPriceFrom $435Free CancellationRating
7.4
9,982 reviews
Search United Airlines flights
British AirwaysPriceFrom $460Free CancellationRating
6.7
8,106 reviews
Search British Airways flights
KLMPriceFrom $460Free CancellationRating
7.8
1,538 reviews
Search KLM flights
American AirlinesPriceFrom $480Free CancellationRating
7.1
11,816 reviews
Search American Airlines flights
IberiaPriceFrom $537Free CancellationRating
7.0
3,254 reviews
Search Iberia flights
AviancaPriceFrom $585Free CancellationRating
6.5
2,522 reviews
Search Avianca flights
JetBluePriceFrom $747Free CancellationRating
7.1
3,011 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
Sitges
Salou
Tarragona
Tossa de Mar
Castelldefels
El Prat de Llobregat
L'Hospitalet de Llobregat
Cambrils
Calella
Cadaques
Badalona
Roses
Santa Susanna
Pals
Empuriabrava
Calella de Palafrugell
Palafrugell
Pineda de Mar
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.

An easier way to manage your Barcelona-El Prat Airport trip

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