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Cheap flights from San Juan to Barcelona from $375

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 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

United Airlines Logo
4:52 pm - 1:05 pmSJU-BCN
15h 13m1 stop
United Airlines Logo
10:30 am - 10:22 pmBCN-SJU
16h 52m1 stop
$453United Airlines
Find Deal
lun., nov. 17 - mié., nov. 26
United Airlines Logo
1:05 am - 8:20 amSJU-BCN
25h 15m2 stops
United Airlines Logo
11:15 am - 11:57 pmBCN-SJU
18h 42m2 stops
$454United Airlines
Find Deal
dom., sep. 21 - jue., oct. 9
United Airlines Logo
2:05 am - 9:35 amSJU-BCN
26h 30m2 stops
United Airlines Logo
6:45 am - 9:00 pmBCN-SJU
19h 15m2 stops
$458United Airlines
Find Deal
dom., nov. 2 - jue., nov. 13
United Airlines Logo
4:55 pm - 9:40 pmSJU-BCN
22h 45m2 stops
United Airlines Logo
6:45 am - 9:22 pmBCN-SJU
19h 37m2 stops
$459United Airlines
Find Deal
mié., oct. 22 - mié., oct. 29
United Airlines Logo
2:05 am - 9:35 amSJU-BCN
26h 30m2 stops
United Airlines Logo
10:30 am - 10:22 pmBCN-SJU
16h 52m1 stop
$461United Airlines
Find Deal
mar., dic. 2 - sáb., dic. 13
Logo
12:55 pm - 7:05 amSJU-BCN
13h 10m1 stop
Logo
12:50 pm - 11:52 pmBCN-SJU
16h 02m1 stop
$472
Find Deal
vie., nov. 14 - vie., nov. 21
Delta Logo
1:32 pm - 2:50 pmSJU-BCN
19h 18m2 stops
Delta Logo
9:30 am - 11:56 pmBCN-SJU
20h 26m2 stops
$473Delta
Find Deal
mié., sep. 24 - mié., oct. 8
Logo
12:47 pm - 7:05 amSJU-BCN
13h 18m1 stop
Logo
11:00 am - 9:05 pmBCN-SJU
15h 05m1 stop
$475
Find Deal
mar., dic. 30 - mié., ene. 14
Delta Logo
7:00 am - 7:15 amSJU-BCN
18h 15m2 stops
Delta Logo
6:10 am - 11:56 pmBCN-SJU
23h 46m2 stops
$481Delta
Find Deal
mar., sep. 23 - mar., oct. 7
British Airways Logo
2:31 pm - 4:05 pmSJU-BCN
20h 34m2 stops
British Airways Logo
12:30 pm - 11:40 pmBCN-SJU
16h 10m1 stop
$513British Airways
Find Deal
mar., dic. 30 - mié., ene. 14

United Airlines flights from San Juan to Barcelona-El Prat Airport

Our best United Airlines deals on San Juan to Barcelona-El Prat Airport flight tickets
United Airlines
Nov 17
SJU4:52 pmSan Juan Luis Munoz Marin Intl
15h 13m
1 stop
BCN1:05 pmBarcelona-El Prat
Nov 26
BCN10:30 amBarcelona-El Prat
16h 52m
1 stop
SJU10:22 pmSan Juan Luis Munoz Marin Intl
$453
Find similar
United Airlines
Sep 21
SJU1:05 amSan Juan Luis Munoz Marin Intl
25h 15m
2 stops
BCN8:20 amBarcelona-El Prat
Oct 9
BCN11:15 amBarcelona-El Prat
18h 42m
2 stops
SJU11:57 pmSan Juan Luis Munoz Marin Intl
$454
Find similar
United Airlines
Nov 2
SJU2:05 amSan Juan Luis Munoz Marin Intl
26h 30m
2 stops
BCN9:35 amBarcelona-El Prat
Nov 13
BCN6:45 amBarcelona-El Prat
19h 15m
2 stops
SJU9:00 pmSan Juan Luis Munoz Marin Intl
$458
Find similar

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
Sep 24
SJU1:32 pmSan Juan Luis Munoz Marin Intl
19h 18m
2 stops
BCN2:50 pmBarcelona-El Prat
Oct 8
BCN9:30 amBarcelona-El Prat
20h 26m
2 stops
SJU11:56 pmSan Juan Luis Munoz Marin Intl
$473
Find similar
Delta
Sep 23
SJU7:00 amSan Juan Luis Munoz Marin Intl
18h 15m
2 stops
BCN7:15 amBarcelona-El Prat
Oct 7
BCN6:10 amBarcelona-El Prat
23h 46m
2 stops
SJU11:56 pmSan Juan Luis Munoz Marin Intl
$481
Find similar
Delta
Sep 21
SJU1:32 pmSan Juan Luis Munoz Marin Intl
21h 38m
2 stops
BCN5:10 pmBarcelona-El Prat
Oct 8
BCN9:30 amBarcelona-El Prat
32h 26m
2 stops
SJU11:56 amSan Juan Luis Munoz Marin Intl
$485
Find similar

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 septiembre 11, 2025.
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

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

lun. 11/17

4:52 pm-1:05 pm

1 stop15h 13m

Barcelona-El Prat

mié. 11/26

10:30 am-10:22 pm

1 stop16h 52m

$453

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

dom. 9/21

1:05 am-8:20 am

2 stops25h 15m

Barcelona-El Prat

jue. 10/9

11:15 am-11:57 pm

2 stops18h 42m

$454

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

dom. 11/2

2:05 am-9:35 am

2 stops26h 30m

Barcelona-El Prat

jue. 11/13

6:45 am-9:00 pm

2 stops19h 15m

$458

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

mié. 10/22

4:55 pm-9:40 pm

2 stops22h 45m

Barcelona-El Prat

mié. 10/29

6:45 am-9:22 pm

2 stops19h 37m

$459

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

mar. 12/2

2:05 am-9:35 am

2 stops26h 30m

Barcelona-El Prat

sáb. 12/13

10:30 am-10:22 pm

1 stop16h 52m

$461

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

vie. 11/14

12:55 pm-7:05 am

1 stop13h 10m

Barcelona-El Prat

vie. 11/21

12:50 pm-11:52 pm

1 stop16h 02m

$472

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

mié. 9/24

1:32 pm-2:50 pm

2 stops19h 18m

Barcelona-El Prat

mié. 10/8

9:30 am-11:56 pm

2 stops20h 26m

$473

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

mar. 12/30

12:47 pm-7:05 am

1 stop13h 18m

Barcelona-El Prat

mié. 1/14

11:00 am-9:05 pm

1 stop15h 05m

$475

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

mar. 9/23

7:00 am-7:15 am

2 stops18h 15m

Barcelona-El Prat

mar. 10/7

6:10 am-11:56 pm

2 stops23h 46m

$481

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

mar. 12/30

2:31 pm-4:05 pm

2 stops20h 34m

Barcelona-El Prat

mié. 1/14

12:30 pm-11:40 pm

1 stop16h 10m

$513

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 $584, 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 December instead. Flights to Barcelona-El Prat Airport in December, while not as cheap as those in February, still average around $656.

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $672. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,053. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from San Juan in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $773 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $916 on average. Flights to Barcelona-El Prat Airport from San Juan in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight 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 $797 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 $694 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

Direct flights

None
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.
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  • 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 $418Free CancellationRating
7.9
7,960 reviews
Search Delta flights
United AirlinesPriceFrom $430Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
Air FrancePriceFrom $460Free CancellationRating
7.4
1,469 reviews
Search Air France flights
British AirwaysPriceFrom $460Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
KLMPriceFrom $460Free CancellationRating
7.8
1,385 reviews
Search KLM flights
American AirlinesPriceFrom $538Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom $560Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
IberiaPriceFrom $572Free CancellationRating
7.0
2,929 reviews
Search Iberia flights
AviancaPriceFrom $809Free CancellationRating
6.7
2,436 reviews
Search Avianca 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
Tossa de Mar
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Castelldefels
Santa Susanna
Calella
Cambrils
Cadaques
Empuriabrava
Pineda de Mar
Badalona
Roses
Pals
Malgrat de Mar
Palafrugell
Tortosa

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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