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

Air Canada, 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 48% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 8 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 November 2025, there are 8 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.

$343 Cheap Flights from San Juan to Barcelona in 2025/26

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Find the cheapest flights from San Juan to Barcelona

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 am - 9:35 amSJU-BCN

20h 25m2 stops

10:30 am - 10:22 pmBCN-SJU

16h 52m1 stop

$431United Airlines

Find Deal

Mon, Nov 24 - Tue, Dec 9

7:45 am - 9:35 amSJU-BCN

20h 50m2 stops

9:55 am - 4:36 pmBCN-SJU

35h 41m2 stops

$433United Airlines

Find Deal

Wed, Dec 3 - Wed, Feb 4

4:52 pm - 5:35 pmSJU-BCN

19h 43m2 stops

6:45 am - 9:00 pmBCN-SJU

19h 15m2 stops

$434United Airlines

Find Deal

Mon, Nov 24 - Wed, Dec 3

6:25 am - 9:00 amSJU-BCN

21h 35m1 stop

12:30 pm - 9:35 amBCN-SJU

26h 05m2 stops

$435Multiple Airlines

Find Deal

Wed, Dec 10 - Tue, Dec 23

7:07 am - 8:50 amSJU-BCN

20h 43m1 stop

6:35 pm - 3:59 pmBCN-SJU

26h 24m2 stops

$436Multiple Airlines

Find Deal

Thu, Jan 8 - Fri, Jan 16

2:15 pm - 9:00 amSJU-BCN

13h 45m1 stop

6:35 am - 10:22 pmBCN-SJU

20h 47m2 stops

$437United Airlines

Find Deal

Mon, Feb 9 - Mon, Feb 16

8:10 am - 11:05 amSJU-BCN

21h 55m2 stops

9:55 am - 10:22 pmBCN-SJU

41h 27m2 stops

$440United Airlines

Find Deal

Fri, Jan 23 - Fri, Jan 30

4:52 pm - 2:15 pmSJU-BCN

40h 23m2 stops

5:50 am - 10:22 pmBCN-SJU

45h 32m2 stops

$441United Airlines

Find Deal

Thu, Jan 8 - Sat, Jan 17

8:35 am - 5:35 pmSJU-BCN

28h 00m2 stops

6:45 am - 10:22 pmBCN-SJU

20h 37m2 stops

$444United Airlines

Find Deal

Fri, Feb 6 - Tue, Feb 10

7:45 am - 5:45 pmSJU-BCN

29h 00m2 stops

11:00 am - 12:36 amBCN-SJU

18h 36m1 stop

$451Lufthansa

Find Deal

Fri, Jan 23 - Fri, Jan 30

United Airlines flights from San Juan to Barcelona

Our best United Airlines deals on San Juan to Barcelona flight tickets

United Airlines

Nov 24

SJU8:10 amSan Juan Luis Munoz Marin Intl

20h 25m

2 stops

BCN9:35 amBarcelona-El Prat

Dec 9

BCN10:30 amBarcelona-El Prat

16h 52m

1 stop

SJU10:22 pmSan Juan Luis Munoz Marin Intl

$431

Find similar

United Airlines

Dec 3

SJU7:45 amSan Juan Luis Munoz Marin Intl

20h 50m

2 stops

BCN9:35 amBarcelona-El Prat

Feb 4

BCN9:55 amBarcelona-El Prat

35h 41m

2 stops

SJU4:36 pmSan Juan Luis Munoz Marin Intl

$433

Find similar

United Airlines

Nov 24

SJU4:52 pmSan Juan Luis Munoz Marin Intl

19h 43m

2 stops

BCN5:35 pmBarcelona-El Prat

Dec 3

BCN6:45 amBarcelona-El Prat

19h 15m

2 stops

SJU9:00 pmSan Juan Luis Munoz Marin Intl

$434

Find similar

Lufthansa flights from San Juan to Barcelona

Our best Lufthansa deals on San Juan to Barcelona flight tickets

Lufthansa

Jan 23

SJU7:45 amSan Juan Luis Munoz Marin Intl

29h 00m

2 stops

BCN5:45 pmBarcelona-El Prat

Jan 30

BCN11:00 amBarcelona-El Prat

18h 36m

1 stop

SJU12:36 amSan Juan Luis Munoz Marin Intl

$451

Find similar

Lufthansa

Feb 6

SJU2:15 pmSan Juan Luis Munoz Marin Intl

13h 45m

1 stop

BCN9:00 amBarcelona-El Prat

Feb 10

BCN11:00 amBarcelona-El Prat

18h 36m

1 stop

SJU12:36 amSan Juan Luis Munoz Marin Intl

$455

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 11/24

8:10 am-9:35 am

2 stops20h 25m

Barcelona-El Prat

Tue 12/9

10:30 am-10:22 pm

1 stop16h 52m

$431

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Wed 12/3

7:45 am-9:35 am

2 stops20h 50m

Barcelona-El Prat

Wed 2/4

9:55 am-4:36 pm

2 stops35h 41m

$433

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 11/24

4:52 pm-5:35 pm

2 stops19h 43m

Barcelona-El Prat

Wed 12/3

6:45 am-9:00 pm

2 stops19h 15m

$434

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Wed 12/10

6:25 am-9:00 am

1 stop21h 35m

Barcelona-El Prat

Tue 12/23

12:30 pm-9:35 am

2 stops26h 05m

$435

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Thu 1/8

7:07 am-8:50 am

1 stop20h 43m

Barcelona-El Prat

Fri 1/16

6:35 pm-3:59 pm

2 stops26h 24m

$436

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 2/9

2:15 pm-9:00 am

1 stop13h 45m

Barcelona-El Prat

Mon 2/16

6:35 am-10:22 pm

2 stops20h 47m

$437

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Fri 1/23

8:10 am-11:05 am

2 stops21h 55m

Barcelona-El Prat

Fri 1/30

9:55 am-10:22 pm

2 stops41h 27m

$440

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Thu 1/8

4:52 pm-2:15 pm

2 stops40h 23m

Barcelona-El Prat

Sat 1/17

5:50 am-10:22 pm

2 stops45h 32m

$441

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Fri 2/6

8:35 am-5:35 pm

2 stops28h 00m

Barcelona-El Prat

Tue 2/10

6:45 am-10:22 pm

2 stops20h 37m

$444

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Fri 1/23

7:45 am-5:45 pm

2 stops29h 00m

Barcelona-El Prat

Fri 1/30

11:00 am-12:36 am

1 stop18h 36m

$451

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 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 $591. If you don’t want to visit Barcelona in February, then you should wait until November to fly from San Juan, when ticket prices are also cheap, with an average price of $595.

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 $784 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 $745 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.

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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 18m.
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 November 2025, there are 8 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 8,007 reviews	Search Delta flights
United Airlines	PriceFrom $430	Free Cancellation	Rating 7.4 9,015 reviews	Search United Airlines flights
KLM	PriceFrom $460	Free Cancellation	Rating 7.7 1,411 reviews	Search KLM flights
British Airways	PriceFrom $487	Free Cancellation	Rating 6.7 7,528 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $560	Free Cancellation	Rating 7.5 673 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $568	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights
Iberia	PriceFrom $569	Free Cancellation	Rating 7.0 3,020 reviews	Search Iberia flights
Avianca	PriceFrom $725	Free Cancellation	Rating 6.6 2,475 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.