What is the cheapest airline that flies from San Juan to Barcelona?

British Airways, United Airlines, and American Airlines are the most popular carriers operating from San Juan to Barcelona

What airlines fly to Barcelona?

Iberia, American Airlines and United Airlines are the top three most popular airlines that fly to Barcelona from San Juan according to our data. Iberia is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 9 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Juan to Barcelona?

Prices for flights from San Juan to Barcelona were last updated today.

How many operators does momondo search for flights from San Juan to Barcelona?

As of September 2025, there are 9 operators available to choose from for flights from San Juan to Barcelona.

How old do you have to be to fly from San Juan to Barcelona?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Juan to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The necessary travel and health documents for your Barcelona trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$375 Cheap Flights from San Juan to Barcelona in 2025

Q: What is the typical price of a round-trip flight between San Juan and Barcelona?

Prices are currently low for flights on this route. Typical prices usually range from $615 to $895. The lowest price recently found on this route was $453.

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Find the cheapest flights from San Juan to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

4:52 pm - 1:05 pmSJU-BCN

15h 13m1 stop

10:30 am - 10:22 pmBCN-SJU

16h 52m1 stop

$453United Airlines

Find Deal

Mon, Nov 17 - Wed, Nov 26

1:05 am - 8:20 amSJU-BCN

25h 15m2 stops

11:15 am - 11:57 pmBCN-SJU

18h 42m2 stops

$454United Airlines

Find Deal

Sun, Sep 21 - Thu, Oct 9

2:05 am - 9:35 amSJU-BCN

26h 30m2 stops

6:45 am - 9:00 pmBCN-SJU

19h 15m2 stops

$458United Airlines

Find Deal

Sun, Nov 2 - Thu, Nov 13

4:55 pm - 9:40 pmSJU-BCN

22h 45m2 stops

6:45 am - 9:22 pmBCN-SJU

19h 37m2 stops

$459United Airlines

Find Deal

Wed, Oct 22 - Wed, Oct 29

2:05 am - 9:35 amSJU-BCN

26h 30m2 stops

10:30 am - 10:22 pmBCN-SJU

16h 52m1 stop

$461United Airlines

Find Deal

Tue, Dec 2 - Sat, Dec 13

12:55 pm - 7:05 amSJU-BCN

13h 10m1 stop

12:50 pm - 11:52 pmBCN-SJU

16h 02m1 stop

$472

Find Deal

Fri, Nov 14 - Fri, Nov 21

1:32 pm - 2:50 pmSJU-BCN

19h 18m2 stops

9:30 am - 11:56 pmBCN-SJU

20h 26m2 stops

$473Delta

Find Deal

Wed, Sep 24 - Wed, Oct 8

12:47 pm - 7:05 amSJU-BCN

13h 18m1 stop

11:00 am - 9:05 pmBCN-SJU

15h 05m1 stop

$475

Find Deal

Tue, Dec 30 - Wed, Jan 14

7:00 am - 7:15 amSJU-BCN

18h 15m2 stops

6:10 am - 11:56 pmBCN-SJU

23h 46m2 stops

$481Delta

Find Deal

Tue, Sep 23 - Tue, Oct 7

2:31 pm - 4:05 pmSJU-BCN

20h 34m2 stops

12:30 pm - 11:40 pmBCN-SJU

16h 10m1 stop

$513British Airways

Find Deal

Tue, Dec 30 - Wed, Jan 14

United Airlines flights from San Juan to Barcelona

Our best United Airlines deals on San Juan to Barcelona 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

Our best Delta deals on San Juan to Barcelona 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

Fly from

Fly to

Route

Depart

Return

Price

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 11/17

4:52 pm-1:05 pm

1 stop15h 13m

Barcelona-El Prat

Wed 11/26

10:30 am-10:22 pm

1 stop16h 52m

$453

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sun 9/21

1:05 am-8:20 am

2 stops25h 15m

Barcelona-El Prat

Thu 10/9

11:15 am-11:57 pm

2 stops18h 42m

$454

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sun 11/2

2:05 am-9:35 am

2 stops26h 30m

Barcelona-El Prat

Thu 11/13

6:45 am-9:00 pm

2 stops19h 15m

$458

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Wed 10/22

4:55 pm-9:40 pm

2 stops22h 45m

Barcelona-El Prat

Wed 10/29

6:45 am-9:22 pm

2 stops19h 37m

$459

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 12/2

2:05 am-9:35 am

2 stops26h 30m

Barcelona-El Prat

Sat 12/13

10:30 am-10:22 pm

1 stop16h 52m

$461

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Fri 11/14

12:55 pm-7:05 am

1 stop13h 10m

Barcelona-El Prat

Fri 11/21

12:50 pm-11:52 pm

1 stop16h 02m

$472

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Wed 9/24

1:32 pm-2:50 pm

2 stops19h 18m

Barcelona-El Prat

Wed 10/8

9:30 am-11:56 pm

2 stops20h 26m

$473

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 12/30

12:47 pm-7:05 am

1 stop13h 18m

Barcelona-El Prat

Wed 1/14

11:00 am-9:05 pm

1 stop15h 05m

$475

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 9/23

7:00 am-7:15 am

2 stops18h 15m

Barcelona-El Prat

Tue 10/7

6:10 am-11:56 pm

2 stops23h 46m

$481

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 12/30

2:31 pm-4:05 pm

2 stops20h 34m

Barcelona-El Prat

Wed 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

How to get the cheapest flight ticket from San Juan to Barcelona

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

Prices

Airlines

What is the typical price of a round-trip flight between San Juan and Barcelona?

What is the cheapest month to fly to Barcelona?

The month of February is, on average, the cheapest month to fly to Barcelona from San Juan, with most prices found around $584. If you don’t want to visit Barcelona in February, then you should wait until December to fly from San Juan, when ticket prices are also cheap, with an average price of $656.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from San Juan to Barcelona is on a Tuesday when prices can be found for as low as $672. On the other hand, Thursday is the most expensive day to depart from San Juan because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,053.

What is the cheapest time of day to depart on your flight to Barcelona?

In the afternoon is the cheapest time of day to fly from San Juan to Barcelona when you can find flight prices for as low as $773. Flying to Barcelona in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $916 on average. Flights to Barcelona 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?

You are more likely to see cheaper flights to Barcelona from San Juan when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona 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 from San Juan for as low as $694 on momondo.

Cheap San Juan to Barcelona flight deals and tips

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

Direct flights	None

There are no direct flights from San Juan to Barcelona. There are no popular flight routes from San Juan to Barcelona.

Search flight deals

How far is San Juan to Barcelona by plane?
The straight-line distance from San Juan to Barcelona is 4266.3 mi. 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?
Prices for flights from San Juan to Barcelona were last updated today.
How many operators does momondo search for flights from San Juan to Barcelona?
As of September 2025, there are 9 operators available to choose from for flights from San Juan to Barcelona.
How old do you have to be to fly from San Juan to Barcelona?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Juan to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The necessary travel and health documents for your Barcelona trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Juan to Barcelona

Compare and see reviews for airlines that fly from San Juan to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $418	Free Cancellation	Rating 7.9 7,960 reviews	Search Delta flights
United Airlines	PriceFrom $430	Free Cancellation	Rating 7.4 8,937 reviews	Search United Airlines flights
Air France	PriceFrom $460	Free Cancellation	Rating 7.4 1,469 reviews	Search Air France flights
British Airways	PriceFrom $460	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
KLM	PriceFrom $460	Free Cancellation	Rating 7.8 1,385 reviews	Search KLM flights
American Airlines	PriceFrom $538	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Virgin Atlantic	PriceFrom $560	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights
Iberia	PriceFrom $572	Free Cancellation	Rating 7.0 2,929 reviews	Search Iberia flights
Avianca	PriceFrom $809	Free Cancellation	Rating 6.7 2,436 reviews	Search Avianca flights

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?

All flight searches from San Juan to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for San Juan to Barcelona flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Barcelona from San Juan. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.