Cheap flights from San Juan to Barcelona from $399

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 7/8. 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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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
$656Avianca
Fri, Aug 7 - Sun, Aug 16
American Airlines Logo
6:00 am - 9:05 am
SJU
-
BCN
21h 05m
1 stop
American Airlines Logo
5:00 pm - 3:25 pm
BCN
-
SJU
28h 25m
1 stop
$664American Airlines
Tue, Aug 18 - Mon, Sep 21
United Airlines Logo
2:20 pm - 1:15 pm
SJU
-
BCN
40h 55m
2 stops
United Airlines Logo
10:25 am - 11:50 pm
BCN
-
SJU
43h 25m
2 stops
$681United Airlines
Tue, Aug 18 - Mon, Sep 21
United Airlines Logo
2:55 pm - 8:20 am
SJU
-
BCN
35h 25m
2 stops
United Airlines Logo
12:00 pm - 11:57 am
BCN
-
SJU
29h 57m
1 stop
$723United Airlines
Sat, Aug 15 - Fri, Aug 28
United Airlines Logo
2:55 pm - 8:20 am
SJU
-
BCN
35h 25m
2 stops
United Airlines Logo
12:15 pm - 11:57 am
BCN
-
SJU
29h 42m
2 stops
$726United Airlines
Sat, Aug 15 - Fri, Aug 28
British Airways Logo
10:33 am - 9:05 am
SJU
-
BCN
16h 32m
1 stop
British Airways Logo
12:20 pm - 9:55 pm
BCN
-
SJU
15h 35m
1 stop
$732British Airways
Mon, Aug 10 - Tue, Aug 18
American Airlines Logo
7:00 am - 6:45 am
SJU
-
BCN
17h 45m
1 stop
American Airlines Logo
10:35 am - 7:10 pm
BCN
-
SJU
14h 35m
1 stop
$733American Airlines
Mon, Aug 10 - Tue, Aug 18
United Airlines Logo
7:40 am - 8:00 am
SJU
-
BCN
42h 20m
2 stops
United Airlines Logo
12:00 pm - 1:45 pm
BCN
-
SJU
31h 45m
1 stop
$735United Airlines
Mon, Aug 10 - Fri, Aug 28
United Airlines Logo
2:05 am - 9:00 am
SJU
-
BCN
24h 55m
2 stops
United Airlines Logo
3:15 pm - 12:34 pm
BCN
-
SJU
27h 19m
2 stops
$736United Airlines
Sun, Aug 9 - Fri, Aug 21
United Airlines Logo
3:56 pm - 5:55 pm
SJU
-
BCN
19h 59m
2 stops
United Airlines Logo
12:15 pm - 11:50 pm
BCN
-
SJU
17h 35m
2 stops
$743United Airlines
Mon, Aug 10 - Fri, Aug 28

British Airways flights from San Juan to Barcelona

Our best British Airways deals on San Juan to Barcelona flight tickets
British Airways
Aug 10
SJU10:33 amSan Juan Luis Munoz Marin Intl
16h 32m
1 stop
BCN9:05 amBarcelona-El Prat
Aug 18
BCN12:20 pmBarcelona-El Prat
15h 35m
1 stop
SJU9:55 pmSan Juan Luis Munoz Marin Intl
$732
British Airways
Aug 18
SJU4:53 pmSan Juan Luis Munoz Marin Intl
19h 47m
2 stops
BCN6:40 pmBarcelona-El Prat
Sep 21
BCN9:45 amBarcelona-El Prat
15h 05m
1 stop
SJU6:50 pmSan Juan Luis Munoz Marin Intl
$754
British Airways
Aug 20
SJU1:38 pmSan Juan Luis Munoz Marin Intl
13h 27m
1 stop
BCN9:05 amBarcelona-El Prat
Sep 8
BCN12:20 pmBarcelona-El Prat
15h 35m
1 stop
SJU9:55 pmSan Juan Luis Munoz Marin Intl
$792

United Airlines flights from San Juan to Barcelona

Our best United Airlines deals on San Juan to Barcelona flight tickets
United Airlines
Aug 18
SJU2:20 pmSan Juan Luis Munoz Marin Intl
40h 55m
2 stops
BCN1:15 pmBarcelona-El Prat
Sep 21
BCN10:25 amBarcelona-El Prat
43h 25m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
$681
United Airlines
Aug 15
SJU2:55 pmSan Juan Luis Munoz Marin Intl
35h 25m
2 stops
BCN8:20 amBarcelona-El Prat
Aug 28
BCN12:00 pmBarcelona-El Prat
29h 57m
1 stop
SJU11:57 amSan Juan Luis Munoz Marin Intl
$723
United Airlines
Aug 15
SJU2:55 pmSan Juan Luis Munoz Marin Intl
35h 25m
2 stops
BCN8:20 amBarcelona-El Prat
Aug 28
BCN12:15 pmBarcelona-El Prat
29h 42m
2 stops
SJU11:57 amSan Juan Luis Munoz Marin Intl
$726

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 May 30, 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

Fri 8/7

6:35 pm-8:45 am

1 stop32h 10m

Barcelona-El Prat

Sun 8/16

1:50 pm-5:10 pm

1 stop33h 20m

$656

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 8/18

6:00 am-9:05 am

1 stop21h 05m

Barcelona-El Prat

Mon 9/21

5:00 pm-3:25 pm

1 stop28h 25m

$664

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 8/18

2:20 pm-1:15 pm

2 stops40h 55m

Barcelona-El Prat

Mon 9/21

10:25 am-11:50 pm

2 stops43h 25m

$681

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sat 8/15

2:55 pm-8:20 am

2 stops35h 25m

Barcelona-El Prat

Fri 8/28

12:00 pm-11:57 am

1 stop29h 57m

$723

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sat 8/15

2:55 pm-8:20 am

2 stops35h 25m

Barcelona-El Prat

Fri 8/28

12:15 pm-11:57 am

2 stops29h 42m

$726
Quickest round-trip

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 8/10

10:33 am-9:05 am

1 stop16h 32m

Barcelona-El Prat

Tue 8/18

12:20 pm-9:55 pm

1 stop15h 35m

$732

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 8/10

7:00 am-6:45 am

1 stop17h 45m

Barcelona-El Prat

Tue 8/18

10:35 am-7:10 pm

1 stop14h 35m

$733

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 8/10

7:40 am-8:00 am

2 stops42h 20m

Barcelona-El Prat

Fri 8/28

12:00 pm-1:45 pm

1 stop31h 45m

$735

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sun 8/9

2:05 am-9:00 am

2 stops24h 55m

Barcelona-El Prat

Fri 8/21

3:15 pm-12:34 pm

2 stops27h 19m

$736

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 8/10

3:56 pm-5:55 pm

2 stops19h 59m

Barcelona-El Prat

Fri 8/28

12:15 pm-11:50 pm

2 stops17h 35m

$743

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 $294. 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 $380.

How far in advance should I book a flight from San Juan 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 $732 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 $578 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 35m

Direct flights

None
The fastest flight from San Juan to Barcelona takes 13h 35m
There are no direct flights from San Juan to Barcelona. There are no popular flight routes from San Juan to Barcelona.

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 35m.

  • 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
8,416 reviews
Search Delta flights
United AirlinesPriceFrom $435Free CancellationRating
7.4
9,766 reviews
Search United Airlines flights
KLMPriceFrom $460Free CancellationRating
7.8
1,524 reviews
Search KLM flights
British AirwaysPriceFrom $460Free CancellationRating
6.7
8,010 reviews
Search British Airways flights
American AirlinesPriceFrom $496Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
IberiaPriceFrom $535Free CancellationRating
7.0
3,222 reviews
Search Iberia flights
AviancaPriceFrom $585Free CancellationRating
6.5
2,527 reviews
Search Avianca flights
JetBluePriceFrom $747Free CancellationRating
7.1
2,985 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.

An easier way to manage your Barcelona trip

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1 adult
Mon 6/29
Mon 7/6

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