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Barcelona-El Prat

$840+ Cheap flights from Islip (ISP) to Barcelona-El Prat (BCN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BCN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Islip to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) 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 11, 2025.

Round-trip from

$840
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$546
From Islip Long Island to Barcelona-El Prat
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Highest demand for flights based on searches. 13% potential increase in price ($94 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 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 Islip to Barcelona-El Prat

Cheapest flights from Islip to Barcelona-El Prat
Explore the most affordable flight options available from Islip to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/99:37 pmISP - BCN
2 stops36h 33mMultiple Airlines
Thu 10/166:30 pmBCN - ISP
1 stop31h 31mMultiple Airlines
Deal found 9/11$840
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:33 pmISP - BCN
1 stop13h 42mMultiple Airlines
Mon 9/297:00 amBCN - ISP
2 stops33h 40mMultiple Airlines
Deal found 9/9$1,085
This Ovago deal was found by Cheapflights users on 9/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:53 amISP - BCN
2 stops15h 32mMultiple Airlines
Sat 11/16:10 pmBCN - ISP
1 stop22h 48mMultiple Airlines
Deal found 9/10$1,744

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip 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 11, 2025.
Use the filters below to find and compare flights from Islip to Barcelona-El Prat Airport that are best for you.

Fly from

Islip

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 10/9

9:37 pm-4:10 pm

2 stops36h 33m

Barcelona-El Prat

Thu 10/16

6:30 pm-8:01 pm

1 stop31h 31m

$840

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Mon 9/22

4:33 pm-12:15 pm

1 stop13h 42m

Barcelona-El Prat

Mon 9/29

7:00 am-10:40 am

2 stops33h 40m

$1,085

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Sat 10/25

11:53 am-9:25 am

2 stops15h 32m

Barcelona-El Prat

Sat 11/1

6:10 pm-11:58 am

1 stop22h 48m

$1,744

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Islip to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Islip 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 Islip to Barcelona-El Prat Airport

What is the cheapest month to book a flight from Islip to Barcelona-El Prat Airport?

Currently, January is the cheapest month in which you can book a flight from Islip to Barcelona-El Prat Airport (average of $523). Flying from Islip 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.

Related info for your journey

Find useful and relevant information for your journey from Islip 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.

  • What airport do you fly from for flights from Islip to Barcelona-El Prat?

    For a flight from Islip to Barcelona-El Prat, you will be flying from Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city. Long Island is the only Islip airport and it handles 0 outbound flights to Barcelona-El Prat per day. 0 airlines have flights to Barcelona-El Prat from Islip Long Island on a regular basis.

  • Can I find deals for flights from Islip to Barcelona-El Prat that include hotel bookings?

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

  • How can I find direct flights from Islip 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 Islip to Barcelona-El Prat.

  • Can I find deals for business class flights from Islip to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from Islip 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 Islip to Barcelona-El Prat Airport?

    Currently, January is the cheapest month in which you can book a flight from Islip to Barcelona-El Prat Airport (average of $523). Flying from Islip 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

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