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Barcelona-El Prat

Cheap flights from Luis Munoz Marin Intl (SJU) to Barcelona-El Prat (BCN) - Compare and Save

SJU — BCN
Sep 8 — Sep 151
Mon 9/8
Mon 9/15
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Barcelona-El Prat are usually found in February or December, booked 8 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Luis Munoz Marin Intl to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Barcelona-El Prat (BCN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 3, 2025.

Round-trip from

$411
(United Airlines)

One-way from

$276
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$731
From San Juan Luis Munoz Marin Intl to Barcelona-El Prat
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One-way flight from San Juan Luis Munoz Marin Intl to Barcelona-El Prat
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Highest demand for flights based on searches. 27% potential increase in price ($299 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Luis Munoz Marin Intl to Barcelona-El Prat

Cheapest flights from Luis Munoz Marin Intl to Barcelona-El Prat
Explore the most affordable flight options available from Luis Munoz Marin Intl to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2025.

This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:10 amSJU - BCN
1 stop24h 55mUnited Airlines
Thu 11/2010:30 amBCN - SJU
1 stop16h 52mUnited Airlines
Deal found 9/3$411
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:05 amSJU - BCN
2 stops26h 30mUnited Airlines
Fri 12/1210:30 amBCN - SJU
1 stop16h 52mUnited Airlines
Deal found 9/3$420
This Finnair deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:00 amSJU - BCN
1 stop20h 05mMultiple Airlines
Fri 11/2112:30 pmBCN - SJU
1 stop16h 22mMultiple Airlines
Deal found 9/2$422
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:05 amSJU - BCN
2 stops26h 30mUnited Airlines
Wed 12/1010:30 amBCN - SJU
2 stops33h 10mUnited Airlines
Deal found 9/2$424
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:30 amSJU - BCN
1 stop21h 35mAmerican Airlines
Thu 11/610:35 amBCN - SJU
1 stop14h 20mAmerican Airlines
Deal found 9/2$426
This British Airways deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/225:30 amSJU - BCN
1 stop21h 35mMultiple Airlines
Fri 11/78:50 amBCN - SJU
1 stop12h 45mMultiple Airlines
Deal found 9/2$428
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:10 amSJU - BCN
2 stops17h 35mAmerican Airlines
Thu 11/69:15 amBCN - SJU
1 stop15h 40mAmerican Airlines
Deal found 9/2$430
This Finnair deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/271:50 pmSJU - BCN
1 stop12h 15mMultiple Airlines
Wed 11/57:00 pmBCN - SJU
2 stops29h 55mMultiple Airlines
Deal found 9/2$434
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/183:56 pmSJU - BCN
2 stops33h 54mUnited Airlines
Tue 10/286:45 amBCN - SJU
2 stops34h 32mUnited Airlines
Deal found 9/3$437
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/12:05 amSJU - BCN
2 stops26h 30mUnited Airlines
Thu 11/2010:30 amBCN - SJU
1 stop16h 52mUnited Airlines
Deal found 9/3$441
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:52 pmSJU - BCN
2 stops19h 43mUnited Airlines
Fri 12/1210:30 amBCN - SJU
1 stop16h 52mUnited Airlines
Deal found 9/3$442
This KLM deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/231:25 pmSJU - BCN
2 stops17h 10mMultiple Airlines
Wed 10/89:30 amBCN - SJU
2 stops18h 29mMultiple Airlines
Deal found 9/3$443

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl to Barcelona-El Prat 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, Cheapflights users made 2,558,603 searches. Data last updated September 3, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 10/27

7:10 am-1:05 pm

1 stop24h 55m

Barcelona-El Prat

Thu 11/20

10:30 am-10:22 pm

1 stop16h 52m

$411

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Wed 12/3

12:49 pm-7:05 am

1 stop13h 16m

Barcelona-El Prat

Fri 12/12

11:00 am-11:53 pm

1 stop17h 53m

$420

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

Wed 12/10

10:30 am-10:22 pm

1 stop16h 52m

$420

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Wed 12/3

12:49 pm-7:05 am

1 stop13h 16m

Barcelona-El Prat

Fri 12/12

11:00 am-11:53 pm

1 stop17h 53m

$420

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

Fri 11/14

3:05 pm-9:00 pm

1 stop34h 55m

$420

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Mon 2/9

12:50 pm-7:05 am

1 stop13h 15m

Barcelona-El Prat

Tue 2/17

11:00 am-9:00 pm

1 stop15h 00m

$420

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Tue 2/24

12:50 pm-7:05 am

1 stop13h 15m

Barcelona-El Prat

Tue 3/3

11:00 am-9:00 pm

1 stop15h 00m

$420

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

Fri 12/12

10:30 am-10:22 pm

1 stop16h 52m

$420

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Wed 12/3

2:10 pm-9:00 am

1 stop13h 50m

Barcelona-El Prat

Wed 12/10

10:30 am-10:22 pm

1 stop16h 52m

$420

San JuanBarcelona

SJU - BCN

SJUBCN

San Juan Luis Munoz Marin Intl

Sun 1/18

12:50 pm-7:05 am

1 stop13h 15m

Barcelona-El Prat

Fri 1/30

11:00 am-9:05 pm

1 stop15h 05m

$420

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/1

Showing 1-10 of 24 results
1
2
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Best time to book a flight from Luis Munoz Marin Intl to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Luis Munoz Marin Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport

How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport?

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Barcelona-El Prat. Price data was last updated on August 29, 2025.

The best time to book flights from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport is 8 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport?

Currently, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport (average of $523). Flying from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,059). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SJU to BCN?

Find hourly flight availability from Luis Munoz Marin Intl to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 3, 2025.

A simple way to save on the total cost of your ticket is to fly from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport?

Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to Barcelona-El Prat. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona-El Prat. Reviews last updated September 3, 2025.
Read reviews from past customers who have flown Delta, KLM, and United Airlines from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,972 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Jose A,Sep 2023

SJU - JFK

Most importantly it was on time, then great crew, great service and comfortable.
Delta
8.0
Very good
7,972 reviews
Delta
8.0
Very good
7,972 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Jose A,Sep 2023

SJU - JFK

Most importantly it was on time, then great crew, great service and comfortable.
KLM
7.8
Good
1,382 reviews
Delta
8.0
Very good
7,972 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Jose A,Sep 2023

SJU - JFK

Most importantly it was on time, then great crew, great service and comfortable.
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,972 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Jose A,Sep 2023

SJU - JFK

Most importantly it was on time, then great crew, great service and comfortable.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,972 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Jose A,Sep 2023

SJU - JFK

Most importantly it was on time, then great crew, great service and comfortable.
Iberia
7.0
Good
2,909 reviews
Delta
8.0
Very good
7,972 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Jose A,Sep 2023

SJU - JFK

Most importantly it was on time, then great crew, great service and comfortable.

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to Barcelona-El Prat. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport?

    United Airlines can get you from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport in just under 24h 55m. Your travel time can differ by up to . Airlines will cover a distance of 4257 mi.

  • What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport round-trip?

    According to our current data, Delta ($418), United Airlines ($430), and Air France ($460) offers the cheapest pricing from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport. Delta is currently priced 47% below the average price you’ll pay for this route.

  • Where are the most common layover locations when flying from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport?

    The most popular layover on flights from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport is Madrid.

  • What are some popular things to do or see while on a layover in Madrid?

    The majority of Madrid visitors spend their time at Puerta del Sol, Plaza Mayor, and Spain Building. Puerta del Sol, Plaza Mayor, and Spain Building can be accessed by traveling approximately 8.4 mi, 8.6 mi, and 8.5 mi, respectively from Madrid Barajas. Travelers can rent a car at Madrid Barajas for an average daily rate of $26 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport flights?

    Of the flights from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport that have layovers, the fewest flights stop in Miami.

  • Can I find deals for flights from Luis Munoz Marin Intl to Barcelona-El Prat that include hotel bookings?

    Yes. In addition to deals on Luis Munoz Marin Intl to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luis Munoz Marin Intl to Barcelona-El Prat?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luis Munoz Marin Intl to Barcelona-El Prat.

  • Can I find deals for business class flights from Luis Munoz Marin Intl to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to Barcelona-El Prat by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport?

    Currently, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport (average of $523). Flying from San Juan Luis Munoz Marin Intl Airport to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,059). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Calella
Roses
Castelldefels
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Luis Munoz Marin Intl to Barcelona-El Prat

Discover the top 9 airlines that operate flights from Luis Munoz Marin Intl to Barcelona-El Prat. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$418Average$896FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$430Average$766FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$460Average$720FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$460Average$632FlexibilityNo cancel feeOn-time70%
KLMCheapest$460Average$778FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$538Average$1,002FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$560Average$779FlexibilityNo cancel feeOn-time72%
IberiaCheapest$581Average$967FlexibilityNo cancel feeOn-time77%
AviancaCheapest$809Average$989FlexibilityNo cancel feeOn-time71%

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