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Cheap flights from San Juan to Barcelona from $411

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 4/25. 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

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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.
Avianca Logo
1:05 pm - 1:40 pm
SJU
-
BCN
18h 35m
1 stop
Avianca Logo
3:40 pm - 5:10 pm
BCN
-
SJU
31h 30m
1 stop
$575Avianca
Sat, Aug 8 - Sat, Aug 22
Avianca Logo
6:35 pm - 8:45 am
SJU
-
BCN
32h 10m
1 stop
Avianca Logo
3:40 pm - 5:10 pm
BCN
-
SJU
31h 30m
1 stop
$576Avianca
Sat, Aug 8 - Sat, Aug 22
Avianca Logo
6:35 pm - 8:45 am
SJU
-
BCN
32h 10m
1 stop
Avianca Logo
3:40 pm - 5:10 pm
BCN
-
SJU
31h 30m
1 stop
$600Avianca
Sat, Aug 8 - Sat, Aug 22
Avianca Logo
6:35 pm - 8:45 am
SJU
-
BCN
32h 10m
1 stop
Avianca Logo
3:40 pm - 5:10 pm
BCN
-
SJU
31h 30m
1 stop
$601Avianca
Wed, Aug 12 - Sat, Aug 22
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
$671Avianca
Mon, Oct 5 - Sun, Oct 18
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
$672Avianca
Wed, May 20 - Sat, May 30
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
$696Avianca
Wed, May 20 - Sun, May 31
American Airlines Logo
4:10 pm - 1:00 pm
SJU
-
BCN
14h 50m
1 stop
American Airlines Logo
8:50 am - 3:25 pm
BCN
-
SJU
12h 35m
1 stop
$699American Airlines
Sun, Sep 27 - Wed, Oct 7
United Airlines Logo
3:56 pm - 1:15 pm
SJU
-
BCN
15h 19m
1 stop
United Airlines Logo
6:40 am - 8:38 pm
BCN
-
SJU
19h 58m
2 stops
$702United Airlines
Mon, Sep 21 - Fri, Oct 2
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
$707United Airlines
Sun, Sep 20 - Fri, Oct 2

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

Our best American Airlines deals on San Juan to Barcelona-El Prat Airport flight tickets
American Airlines
Sep 27
SJU4:10 pmSan Juan Luis Munoz Marin Intl
14h 50m
1 stop
BCN1:00 pmBarcelona-El Prat
Oct 7
BCN8:50 amBarcelona-El Prat
12h 35m
1 stop
SJU3:25 pmSan Juan Luis Munoz Marin Intl
$699
American Airlines
Sep 27
SJU4:10 pmSan Juan Luis Munoz Marin Intl
14h 50m
1 stop
BCN1:00 pmBarcelona-El Prat
Oct 7
BCN10:35 amBarcelona-El Prat
19h 06m
2 stops
SJU11:41 pmSan Juan Luis Munoz Marin Intl
$709
American Airlines
Sep 26
SJU2:25 pmSan Juan Luis Munoz Marin Intl
15h 45m
2 stops
BCN12:10 pmBarcelona-El Prat
Oct 8
BCN9:15 amBarcelona-El Prat
12h 10m
1 stop
SJU3:25 pmSan Juan Luis Munoz Marin Intl
$754

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
Sep 21
SJU3:56 pmSan Juan Luis Munoz Marin Intl
15h 19m
1 stop
BCN1:15 pmBarcelona-El Prat
Oct 2
BCN6:40 amBarcelona-El Prat
19h 58m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
$702
United Airlines
Sep 20
SJU1:00 amSan Juan Luis Munoz Marin Intl
25h 20m
2 stops
BCN8:20 amBarcelona-El Prat
Oct 2
BCN6:40 amBarcelona-El Prat
19h 58m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
$707
United Airlines
Oct 6
SJU3:56 pmSan Juan Luis Munoz Marin Intl
19h 59m
2 stops
BCN5:55 pmBarcelona-El Prat
Oct 20
BCN6:40 amBarcelona-El Prat
19h 58m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
$710

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 April 9, 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

Sat 8/22

3:40 pm-5:10 pm

1 stop31h 30m

$575

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sat 8/8

6:35 pm-8:45 am

1 stop32h 10m

Barcelona-El Prat

Sat 8/22

3:40 pm-5:10 pm

1 stop31h 30m

$576

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sat 8/8

6:35 pm-8:45 am

1 stop32h 10m

Barcelona-El Prat

Sat 8/22

3:40 pm-5:10 pm

1 stop31h 30m

$600

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

Sat 8/22

3:40 pm-5:10 pm

1 stop31h 30m

$601

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

Sun 10/18

1:50 pm-5:10 pm

1 stop33h 20m

$671

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Wed 5/20

6:35 pm-8:45 am

1 stop32h 10m

Barcelona-El Prat

Sat 5/30

1:50 pm-5:10 pm

1 stop33h 20m

$672

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Wed 5/20

6:35 pm-8:45 am

1 stop32h 10m

Barcelona-El Prat

Sun 5/31

1:50 pm-5:10 pm

1 stop33h 20m

$696
Quickest round-trip

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sun 9/27

4:10 pm-1:00 pm

1 stop14h 50m

Barcelona-El Prat

Wed 10/7

8:50 am-3:25 pm

1 stop12h 35m

$699

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 9/21

3:56 pm-1:15 pm

1 stop15h 19m

Barcelona-El Prat

Fri 10/2

6:40 am-8:38 pm

2 stops19h 58m

$702

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sun 9/20

1:00 am-8:20 am

2 stops25h 20m

Barcelona-El Prat

Fri 10/2

6:40 am-8:38 pm

2 stops19h 58m

$707

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 $588.

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 $722 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 $574 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

10h 30m

Direct flights

None
The fastest flight from San Juan to Barcelona-El Prat Airport takes 10h 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 10h 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
7.9
8,393 reviews
Search Delta flights
United AirlinesPriceFrom $435Free CancellationRating
7.4
9,557 reviews
Search United Airlines flights
KLMPriceFrom $460Free CancellationRating
7.7
1,492 reviews
Search KLM flights
British AirwaysPriceFrom $460Free CancellationRating
6.7
7,866 reviews
Search British Airways flights
American AirlinesPriceFrom $496Free CancellationRating
7.1
11,564 reviews
Search American Airlines flights
IberiaPriceFrom $523Free CancellationRating
7.0
3,174 reviews
Search Iberia flights
AviancaPriceFrom $554Free CancellationRating
6.5
2,503 reviews
Search Avianca flights
JetBluePriceFrom $747Free CancellationRating
7.2
2,924 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
Castelldefels
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Cambrils
Santa Susanna
Cadaques
Badalona
Pals
Pineda de Mar
Roses
Empuriabrava
Palafrugell
Calella de 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.

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

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