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Cheap flights from San Juan to Barcelona from $329

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 9/30. 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
3:40 pm - 5:10 pm
BCN
-
SJU
31h 30m
1 stop
$575Avianca
Wed, Aug 12 - Sun, Aug 16
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
$576Avianca
Tue, Aug 4 - Tue, Aug 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
$601Avianca
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
$656Avianca
Mon, May 25 - Sun, May 31
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
Wed, May 20 - Tue, May 26
Avianca Logo
6:35 pm - 8:45 am
SJU
-
BCN
32h 10m
1 stop
Avianca Logo
1:50 pm - 11:25 am
BCN
-
SJU
27h 35m
1 stop
$672Avianca
Wed, May 20 - Mon, Jun 1
Multiple Airlines Logo
2:05 pm - 9:05 am
SJU
-
BCN
13h 00m
1 stop
Multiple Airlines Logo
9:15 am - 3:25 pm
BCN
-
SJU
12h 10m
1 stop
$699Multiple Airlines
Mon, Sep 28 - 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
$706United Airlines
Sun, Sep 20 - 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

Avianca flights from San Juan to Barcelona

Our best Avianca deals on San Juan to Barcelona flight tickets
Avianca
Aug 12
SJU6:35 pmSan Juan Luis Munoz Marin Intl
32h 10m
1 stop
BCN8:45 amBarcelona-El Prat
Aug 16
BCN3:40 pmBarcelona-El Prat
31h 30m
1 stop
SJU5:10 pmSan Juan Luis Munoz Marin Intl
$575
Avianca
Aug 4
SJU1:05 pmSan Juan Luis Munoz Marin Intl
18h 35m
1 stop
BCN1:40 pmBarcelona-El Prat
Aug 18
BCN3:40 pmBarcelona-El Prat
31h 30m
1 stop
SJU5:10 pmSan Juan Luis Munoz Marin Intl
$576
Avianca
May 20
SJU6:35 pmSan Juan Luis Munoz Marin Intl
32h 10m
1 stop
BCN8:45 amBarcelona-El Prat
May 30
BCN1:50 pmBarcelona-El Prat
33h 20m
1 stop
SJU5:10 pmSan Juan Luis Munoz Marin Intl
$586

KLM flights from San Juan to Barcelona

Our best KLM deals on San Juan to Barcelona flight tickets
KLM
Sep 30
SJU1:30 pmSan Juan Luis Munoz Marin Intl
17h 00m
2 stops
BCN12:30 pmBarcelona-El Prat
Oct 6
BCN9:20 amBarcelona-El Prat
20h 36m
2 stops
SJU11:56 pmSan Juan Luis Munoz Marin Intl
$712
KLM
Sep 28
SJU1:30 pmSan Juan Luis Munoz Marin Intl
17h 00m
2 stops
BCN12:30 pmBarcelona-El Prat
Oct 7
BCN11:10 amBarcelona-El Prat
18h 46m
2 stops
SJU11:56 pmSan Juan Luis Munoz Marin Intl
$713
KLM
Sep 15
SJU7:30 amSan Juan Luis Munoz Marin Intl
19h 15m
2 stops
BCN8:45 amBarcelona-El Prat
Sep 29
BCN9:20 amBarcelona-El Prat
20h 24m
2 stops
SJU11:44 pmSan Juan Luis Munoz Marin Intl
$792

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 4, 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 8/12

6:35 pm-8:45 am

1 stop32h 10m

Barcelona-El Prat

Sun 8/16

3:40 pm-5:10 pm

1 stop31h 30m

$575

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 8/4

1:05 pm-1:40 pm

1 stop18h 35m

Barcelona-El Prat

Tue 8/18

3:40 pm-5:10 pm

1 stop31h 30m

$576

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

$601

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 5/25

6:35 pm-8:45 am

1 stop32h 10m

Barcelona-El Prat

Sun 5/31

1:50 pm-5:10 pm

1 stop33h 20m

$656

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

Tue 5/26

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

Mon 6/1

1:50 pm-11:25 am

1 stop27h 35m

$672
Quickest round-trip

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 9/28

2:05 pm-9:05 am

1 stop13h 00m

Barcelona-El Prat

Wed 10/7

9:15 am-3:25 pm

1 stop12h 10m

$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

$706

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

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 $590.

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 $738 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 $652 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 30m

Direct flights

None
The fastest flight from San Juan to Barcelona takes 13h 30m
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 30m.

  • 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
8,385 reviews
Search Delta flights
United AirlinesPriceFrom $435Free CancellationRating
7.4
9,542 reviews
Search United Airlines flights
KLMPriceFrom $460Free CancellationRating
7.7
1,487 reviews
Search KLM flights
British AirwaysPriceFrom $460Free CancellationRating
6.7
7,848 reviews
Search British Airways flights
American AirlinesPriceFrom $496Free CancellationRating
7.1
11,559 reviews
Search American Airlines flights
IberiaPriceFrom $523Free CancellationRating
7.0
3,163 reviews
Search Iberia flights
AviancaPriceFrom $554Free CancellationRating
6.5
2,505 reviews
Search Avianca flights
JetBluePriceFrom $747Free CancellationRating
7.2
2,912 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