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Cheap flights from San Juan to Barcelona from $277

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 5/6. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:40 am - 10:25 pm
SJU
-
BCN
32h 45m
2 stops
United Airlines Logo
3:15 pm - 8:34 pm
BCN
-
SJU
35h 19m
1 stop
$432United Airlines
Tue, Apr 21 - Thu, Apr 30
British Airways Logo
1:25 pm - 6:40 pm
SJU
-
BCN
23h 15m
2 stops
British Airways Logo
12:50 pm - 10:05 pm
BCN
-
SJU
15h 15m
1 stop
$459British Airways
Tue, Apr 14 - Thu, Apr 23
British Airways Logo
1:25 pm - 10:40 pm
SJU
-
BCN
27h 15m
2 stops
British Airways Logo
7:40 am - 7:05 pm
BCN
-
SJU
17h 25m
2 stops
$462British Airways
Tue, Apr 14 - Thu, Apr 23
British Airways Logo
1:25 pm - 2:15 pm
SJU
-
BCN
18h 50m
2 stops
British Airways Logo
7:40 am - 9:24 pm
BCN
-
SJU
19h 44m
2 stops
$476British Airways
Tue, Apr 14 - Thu, Apr 23
Multiple Airlines Logo
1:31 pm - 1:00 pm
SJU
-
BCN
17h 29m
1 stop
Multiple Airlines Logo
3:30 pm - 10:53 am
BCN
-
SJU
25h 23m
1 stop
$482Multiple Airlines
Wed, Apr 8 - Sun, Apr 19
British Airways Logo
10:03 am - 10:10 am
SJU
-
BCN
18h 07m
1 stop
British Airways Logo
12:50 pm - 10:05 pm
BCN
-
SJU
15h 15m
1 stop
$483British Airways
Tue, Apr 14 - Wed, Apr 22
United Airlines Logo
1:00 am - 8:20 am
SJU
-
BCN
25h 20m
2 stops
United Airlines Logo
11:15 am - 9:24 pm
BCN
-
SJU
16h 09m
1 stop
$487United Airlines
Thu, Apr 16 - Tue, Apr 28
United Airlines Logo
1:00 am - 8:20 am
SJU
-
BCN
25h 20m
2 stops
United Airlines Logo
8:00 am - 11:50 pm
BCN
-
SJU
21h 50m
2 stops
$491United Airlines
Thu, Apr 16 - Tue, Apr 28
United Airlines Logo
1:00 am - 8:20 am
SJU
-
BCN
25h 20m
2 stops
United Airlines Logo
6:00 am - 9:24 pm
BCN
-
SJU
21h 24m
2 stops
$493United Airlines
Thu, Apr 16 - Tue, Apr 28
United Airlines Logo
7:40 am - 10:25 pm
SJU
-
BCN
32h 45m
2 stops
United Airlines Logo
3:15 pm - 8:34 pm
BCN
-
SJU
35h 19m
1 stop
$514United Airlines
Tue, Apr 21 - Thu, Apr 30

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
Apr 21
SJU7:40 amSan Juan Luis Munoz Marin Intl
32h 45m
2 stops
BCN10:25 pmBarcelona-El Prat
Apr 30
BCN3:15 pmBarcelona-El Prat
35h 19m
1 stop
SJU8:34 pmSan Juan Luis Munoz Marin Intl
$432
United Airlines
Apr 16
SJU1:00 amSan Juan Luis Munoz Marin Intl
25h 20m
2 stops
BCN8:20 amBarcelona-El Prat
Apr 28
BCN11:15 amBarcelona-El Prat
16h 09m
1 stop
SJU9:24 pmSan Juan Luis Munoz Marin Intl
$487
United Airlines
Apr 16
SJU1:00 amSan Juan Luis Munoz Marin Intl
25h 20m
2 stops
BCN8:20 amBarcelona-El Prat
Apr 28
BCN8:00 amBarcelona-El Prat
21h 50m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
$491

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
Apr 14
SJU1:25 pmSan Juan Luis Munoz Marin Intl
23h 15m
2 stops
BCN6:40 pmBarcelona-El Prat
Apr 23
BCN12:50 pmBarcelona-El Prat
15h 15m
1 stop
SJU10:05 pmSan Juan Luis Munoz Marin Intl
$459
British Airways
Apr 14
SJU1:25 pmSan Juan Luis Munoz Marin Intl
27h 15m
2 stops
BCN10:40 pmBarcelona-El Prat
Apr 23
BCN7:40 amBarcelona-El Prat
17h 25m
2 stops
SJU7:05 pmSan Juan Luis Munoz Marin Intl
$462
British Airways
Apr 14
SJU1:25 pmSan Juan Luis Munoz Marin Intl
18h 50m
2 stops
BCN2:15 pmBarcelona-El Prat
Apr 23
BCN7:40 amBarcelona-El Prat
19h 44m
2 stops
SJU9:24 pmSan Juan Luis Munoz Marin Intl
$476

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 February 14, 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

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 4/21

7:40 am-10:25 pm

2 stops32h 45m

Barcelona-El Prat

Thu 4/30

3:15 pm-8:34 pm

1 stop35h 19m

$432

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 4/14

1:25 pm-6:40 pm

2 stops23h 15m

Barcelona-El Prat

Thu 4/23

12:50 pm-10:05 pm

1 stop15h 15m

$459

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 4/14

1:25 pm-10:40 pm

2 stops27h 15m

Barcelona-El Prat

Thu 4/23

7:40 am-7:05 pm

2 stops17h 25m

$462

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 4/14

1:25 pm-2:15 pm

2 stops18h 50m

Barcelona-El Prat

Thu 4/23

7:40 am-9:24 pm

2 stops19h 44m

$476

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Wed 4/8

1:31 pm-1:00 pm

1 stop17h 29m

Barcelona-El Prat

Sun 4/19

3:30 pm-10:53 am

1 stop25h 23m

$482

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 4/14

10:03 am-10:10 am

1 stop18h 07m

Barcelona-El Prat

Wed 4/22

12:50 pm-10:05 pm

1 stop15h 15m

$483

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Thu 4/16

1:00 am-8:20 am

2 stops25h 20m

Barcelona-El Prat

Tue 4/28

11:15 am-9:24 pm

1 stop16h 09m

$487

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Thu 4/16

1:00 am-8:20 am

2 stops25h 20m

Barcelona-El Prat

Tue 4/28

8:00 am-11:50 pm

2 stops21h 50m

$491

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Thu 4/16

1:00 am-8:20 am

2 stops25h 20m

Barcelona-El Prat

Tue 4/28

6:00 am-9:24 pm

2 stops21h 24m

$493

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 4/21

7:40 am-10:25 pm

2 stops32h 45m

Barcelona-El Prat

Thu 4/30

3:15 pm-8:34 pm

1 stop35h 19m

$514

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 $568, 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 $593.

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 $755 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 $691 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

17h 40m

Direct flights

None
The fastest flight from San Juan to Barcelona-El Prat Airport takes 17h 40m
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

  • 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 17h 40m.

  • 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 $385Free CancellationRating
7.9
8,200 reviews
Search Delta flights
United AirlinesPriceFrom $435Free CancellationRating
7.4
9,293 reviews
Search United Airlines flights
KLMPriceFrom $460Free CancellationRating
7.7
1,454 reviews
Search KLM flights
British AirwaysPriceFrom $460Free CancellationRating
6.7
7,739 reviews
Search British Airways flights
American AirlinesPriceFrom $512Free CancellationRating
7.2
11,292 reviews
Search American Airlines flights
AviancaPriceFrom $554Free CancellationRating
6.6
2,495 reviews
Search Avianca flights
Virgin AtlanticPriceFrom $560Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
IberiaPriceFrom $560Free CancellationRating
7.0
3,115 reviews
Search Iberia flights
JetBluePriceFrom $861Free CancellationRating
7.2
2,898 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
Tossa de Mar
Tarragona
Castelldefels
El Prat de Llobregat
L'Hospitalet de Llobregat
Santa Susanna
Calella
Cadaques
Cambrils
Empuriabrava
Pals
Roses
Pineda de Mar
Badalona
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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