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Cheap flights from San Juan to Barcelona from $325

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 10/13. 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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Find the cheapest flights from San Juan to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$651Avianca
Wed, Sep 30 - Sun, Oct 11
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
$657Avianca
Sat, Sep 19 - Sun, Oct 11
Multiple Airlines Logo
12:05 pm - 1:00 pm
SJU
-
BCN
18h 55m
1 stop
Multiple Airlines Logo
7:00 am - 6:50 pm
BCN
-
SJU
17h 50m
1 stop
$700Multiple Airlines
Sun, Oct 11 - Fri, Oct 23
United Airlines Logo
4:55 pm - 8:20 am
SJU
-
BCN
33h 25m
1 stop
United Airlines Logo
6:40 am - 8:38 pm
BCN
-
SJU
19h 58m
2 stops
$703United Airlines
Sun, Sep 20 - Fri, Oct 2
United Airlines Logo
1:25 pm - 9:20 am
SJU
-
BCN
37h 55m
2 stops
United Airlines Logo
11:15 am - 12:34 pm
BCN
-
SJU
31h 19m
1 stop
$708United Airlines
Sat, Sep 19 - Thu, Oct 1
Delta Logo
5:41 pm - 8:35 am
SJU
-
BCN
32h 54m
2 stops
Delta Logo
11:10 am - 11:56 pm
BCN
-
SJU
18h 46m
2 stops
$709Delta
Sat, Sep 26 - Wed, Oct 7
American Airlines Logo
2:25 pm - 9:05 am
SJU
-
BCN
12h 40m
1 stop
American Airlines Logo
8:00 am - 8:10 pm
BCN
-
SJU
18h 10m
2 stops
$710American Airlines
Sun, Oct 11 - Fri, Oct 23
United Airlines Logo
3:56 pm - 5:55 pm
SJU
-
BCN
19h 59m
2 stops
United Airlines Logo
6:40 am - 8:38 pm
BCN
-
SJU
19h 58m
2 stops
$711United Airlines
Tue, Oct 6 - Tue, Oct 20
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
$712Avianca
Fri, Oct 9 - Sat, Oct 17
Delta Logo
1:30 pm - 3:35 pm
SJU
-
BCN
20h 05m
2 stops
Delta Logo
6:10 am - 11:44 pm
BCN
-
SJU
23h 34m
2 stops
$716Delta
Mon, Sep 21 - Fri, Oct 2

American Airlines flights from San Juan to Barcelona

Our best American Airlines deals on San Juan to Barcelona flight tickets
American Airlines
Oct 11
SJU2:25 pmSan Juan Luis Munoz Marin Intl
12h 40m
1 stop
BCN9:05 amBarcelona-El Prat
Oct 23
BCN8:00 amBarcelona-El Prat
18h 10m
2 stops
SJU8:10 pmSan Juan Luis Munoz Marin Intl
$710
American Airlines
Oct 10
SJU8:30 amSan Juan Luis Munoz Marin Intl
17h 05m
1 stop
BCN7:35 amBarcelona-El Prat
Oct 23
BCN8:00 amBarcelona-El Prat
18h 10m
2 stops
SJU8:10 pmSan Juan Luis Munoz Marin Intl
$760
American Airlines
Sep 19
SJU5:15 pmSan Juan Luis Munoz Marin Intl
20h 00m
1 stop
BCN7:15 pmBarcelona-El Prat
Oct 1
BCN12:20 pmBarcelona-El Prat
17h 39m
1 stop
SJU11:59 pmSan Juan Luis Munoz Marin Intl
$762

KLM flights from San Juan to Barcelona

Our best KLM deals on San Juan to Barcelona flight tickets
KLM
Oct 11
SJU7:00 amSan Juan Luis Munoz Marin Intl
19h 35m
2 stops
BCN8:35 amBarcelona-El Prat
Oct 23
BCN9:20 amBarcelona-El Prat
20h 36m
2 stops
SJU11:56 pmSan Juan Luis Munoz Marin Intl
$739
KLM
Sep 30
SJU1:30 pmSan Juan Luis Munoz Marin Intl
17h 00m
2 stops
BCN12:30 pmBarcelona-El Prat
Oct 11
BCN11:10 amBarcelona-El Prat
18h 46m
2 stops
SJU11:56 pmSan Juan Luis Munoz Marin Intl
$773
KLM
Oct 1
SJU1:32 pmSan Juan Luis Munoz Marin Intl
18h 58m
2 stops
BCN2:30 pmBarcelona-El Prat
Oct 11
BCN11:10 amBarcelona-El Prat
18h 46m
2 stops
SJU11:56 pmSan Juan Luis Munoz Marin Intl
$806

momondo Fare Finder

 
Customize your flight search to find flights from San Juan to Barcelona 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 18, 2026.
Use the filters below to find and compare flights from San Juan to Barcelona 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

Wed 9/30

6:35 pm-8:45 am

1 stop32h 10m

Barcelona-El Prat

Sun 10/11

1:50 pm-5:10 pm

1 stop33h 20m

$651

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sat 9/19

6:35 pm-8:45 am

1 stop32h 10m

Barcelona-El Prat

Sun 10/11

1:50 pm-5:10 pm

1 stop33h 20m

$657

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sun 10/11

12:05 pm-1:00 pm

1 stop18h 55m

Barcelona-El Prat

Fri 10/23

7:00 am-6:50 pm

1 stop17h 50m

$700

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sun 9/20

4:55 pm-8:20 am

1 stop33h 25m

Barcelona-El Prat

Fri 10/2

6:40 am-8:38 pm

2 stops19h 58m

$703

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sat 9/19

1:25 pm-9:20 am

2 stops37h 55m

Barcelona-El Prat

Thu 10/1

11:15 am-12:34 pm

1 stop31h 19m

$708

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sat 9/26

5:41 pm-8:35 am

2 stops32h 54m

Barcelona-El Prat

Wed 10/7

11:10 am-11:56 pm

2 stops18h 46m

$709
Quickest round-trip

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sun 10/11

2:25 pm-9:05 am

1 stop12h 40m

Barcelona-El Prat

Fri 10/23

8:00 am-8:10 pm

2 stops18h 10m

$710

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 10/6

3:56 pm-5:55 pm

2 stops19h 59m

Barcelona-El Prat

Tue 10/20

6:40 am-8:38 pm

2 stops19h 58m

$711

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Fri 10/9

6:35 pm-8:45 am

1 stop32h 10m

Barcelona-El Prat

Sat 10/17

1:50 pm-5:10 pm

1 stop33h 20m

$712

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 9/21

1:30 pm-3:35 pm

2 stops20h 05m

Barcelona-El Prat

Fri 10/2

6:10 am-11:44 pm

2 stops23h 34m

$716

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

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?

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 $568. 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 $588.

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 $724 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 $574 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

Fastest flight time

13h 14m

Direct flights

None
The fastest flight from San Juan to Barcelona takes 13h 14m
There are no direct flights from San Juan to Barcelona. There are no popular flight routes from San Juan to Barcelona.
Search flight deals

Frequently asked questions about flying from San Juan to Barcelona

  • 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 14m.

  • 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?

  • 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
DeltaPriceFrom $380Free CancellationRating
7.9
8,423 reviews
Search Delta flights
United AirlinesPriceFrom $435Free CancellationRating
7.4
9,604 reviews
Search United Airlines flights
KLMPriceFrom $460Free CancellationRating
7.8
1,502 reviews
Search KLM flights
British AirwaysPriceFrom $460Free CancellationRating
6.7
7,891 reviews
Search British Airways flights
American AirlinesPriceFrom $496Free CancellationRating
7.1
11,611 reviews
Search American Airlines flights
IberiaPriceFrom $523Free CancellationRating
7.0
3,182 reviews
Search Iberia flights
AviancaPriceFrom $589Free CancellationRating
6.5
2,513 reviews
Search Avianca flights
JetBluePriceFrom $747Free CancellationRating
7.2
2,945 reviews
Search JetBlue 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.

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Find better results for your trip to Spain

Fly into one of these airports located in Barcelona

Airports listed have a maximum distance of 46.7 mi from Barcelona
Barcelona-El Prat Airport
Girona Costa Brava Airport