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Cheap flights from Islip to Barcelona from $899

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Islip to Barcelona departing on 10/30. 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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Cheap round-trip flights

Multiple Airlines Logo
12:40 pm - 11:55 amISP-BCN
18h 15m1 stop
Multiple Airlines Logo
7:00 am - 10:37 amBCN-ISP
33h 37m2 stops
$899Multiple Airlines
Find Deal
jue., oct. 30 - jue., nov. 6
Multiple Airlines Logo
9:59 am - 11:55 amISP-BCN
20h 56m1 stop
Multiple Airlines Logo
6:10 pm - 11:04 amBCN-ISP
22h 54m1 stop
$1,002Multiple Airlines
Find Deal
jue., oct. 30 - jue., nov. 6
Multiple Airlines Logo
4:33 pm - 12:15 pmISP-BCN
13h 42m1 stop
Multiple Airlines Logo
4:35 pm - 8:42 pmBCN-ISP
58h 07m2 stops
$1,148Multiple Airlines
Find Deal
mar., oct. 14 - mar., oct. 21
Multiple Airlines Logo
9:59 am - 11:55 amISP-BCN
20h 56m1 stop
Multiple Airlines Logo
6:10 pm - 4:15 pmBCN-ISP
28h 05m1 stop
$1,187Multiple Airlines
Find Deal
sáb., nov. 1 - sáb., nov. 8
Multiple Airlines Logo
4:58 pm - 5:00 pmISP-BCN
19h 02m2 stops
Multiple Airlines Logo
6:10 pm - 4:15 pmBCN-ISP
28h 05m1 stop
$1,198Multiple Airlines
Find Deal
sáb., nov. 1 - sáb., nov. 8
Multiple Airlines Logo
12:40 pm - 8:20 pmISP-BCN
26h 40m2 stops
Multiple Airlines Logo
6:45 am - 7:45 pmBCN-ISP
19h 00m2 stops
$1,237Multiple Airlines
Find Deal
vie., oct. 31 - vie., nov. 7
Multiple Airlines Logo
9:59 am - 12:05 amISP-BCN
33h 06m3 stops
Multiple Airlines Logo
6:45 am - 7:45 pmBCN-ISP
19h 00m2 stops
$1,266Multiple Airlines
Find Deal
vie., oct. 31 - vie., nov. 7
Multiple Airlines Logo
7:30 am - 10:05 pmISP-BCN
33h 35m3 stops
Multiple Airlines Logo
9:10 pm - 7:45 pmBCN-ISP
28h 35m2 stops
$1,294Multiple Airlines
Find Deal
sáb., nov. 1 - sáb., nov. 8
Multiple Airlines Logo
2:19 pm - 10:20 amISP-BCN
14h 01m2 stops
Multiple Airlines Logo
5:10 pm - 11:04 amBCN-ISP
23h 54m2 stops
$1,431Multiple Airlines
Find Deal
mar., oct. 14 - mar., oct. 21
Multiple Airlines Logo
9:59 am - 2:05 pmISP-BCN
23h 06m2 stops
Multiple Airlines Logo
9:10 pm - 7:45 pmBCN-ISP
28h 35m2 stops
$1,435Multiple Airlines
Find Deal
sáb., nov. 1 - sáb., nov. 8

momondo Fare Finder

 
Customize your flight search to find flights from Islip to Barcelona-El Prat Airport 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 septiembre 17, 2025.
Use the filters below to find and compare flights from Islip to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

jue. 10/30

12:40 pm-11:55 am

1 stop18h 15m

Barcelona-El Prat

jue. 11/6

7:00 am-10:37 am

2 stops33h 37m

$899

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

jue. 10/30

9:59 am-11:55 am

1 stop20h 56m

Barcelona-El Prat

jue. 11/6

6:10 pm-11:04 am

1 stop22h 54m

$1,002

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

mar. 10/14

4:33 pm-12:15 pm

1 stop13h 42m

Barcelona-El Prat

mar. 10/21

4:35 pm-8:42 pm

2 stops58h 07m

$1,148

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

sáb. 11/1

9:59 am-11:55 am

1 stop20h 56m

Barcelona-El Prat

sáb. 11/8

6:10 pm-4:15 pm

1 stop28h 05m

$1,187

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

sáb. 11/1

4:58 pm-5:00 pm

2 stops19h 02m

Barcelona-El Prat

sáb. 11/8

6:10 pm-4:15 pm

1 stop28h 05m

$1,198

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

vie. 10/31

12:40 pm-8:20 pm

2 stops26h 40m

Barcelona-El Prat

vie. 11/7

6:45 am-7:45 pm

2 stops19h 00m

$1,237

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

vie. 10/31

9:59 am-12:05 am

3 stops33h 06m

Barcelona-El Prat

vie. 11/7

6:45 am-7:45 pm

2 stops19h 00m

$1,266

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

sáb. 11/1

7:30 am-10:05 pm

3 stops33h 35m

Barcelona-El Prat

sáb. 11/8

9:10 pm-7:45 pm

2 stops28h 35m

$1,294

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

mar. 10/14

2:19 pm-10:20 am

2 stops14h 01m

Barcelona-El Prat

mar. 10/21

5:10 pm-11:04 am

2 stops23h 54m

$1,431

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

sáb. 11/1

9:59 am-2:05 pm

2 stops23h 06m

Barcelona-El Prat

sáb. 11/8

9:10 pm-7:45 pm

2 stops28h 35m

$1,435

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Islip to Barcelona-El Prat Airport

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 cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $631. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $738. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from Islip in the morning is the least expensive time of day to depart. momondo users have found prices as low as $638 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $739 on average. Flights to Barcelona-El Prat Airport from Islip in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Islip to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islip to Barcelona-El Prat Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip to Barcelona-El Prat Airport (ISP to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip to Barcelona-El Prat Airport

Direct flights

None
There are no direct flights from Islip to Barcelona-El Prat Airport. There are no popular flight routes from Islip to Barcelona-El Prat Airport.
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  • How far is Islip Long Island to Barcelona-El Prat by plane?

    Islip Long Island and Barcelona-El Prat are 3789.9 mi apart from one another. A reasonable flight in good conditions will take 13h 42m.

  • When did momondo last update prices for flights from Islip Long Island Airport to Barcelona-El Prat Airport?

    Prices for flights from Islip Long Island Airport to Barcelona-El Prat Airport are updated daily.

  • How old do you have to be to fly from Islip Long Island Airport to Barcelona-El Prat Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The necessary travel and health documents for your Barcelona-El Prat Airport 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.

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Sitges
Salou
Tossa de Mar
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Castelldefels
Santa Susanna
Calella
Cambrils
Cadaques
Empuriabrava
Pineda de Mar
Badalona
Roses
Pals
Malgrat de Mar
Palafrugell
Tortosa

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Barcelona?

Finding the right flight to Barcelona from Islip 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 Islip to Barcelona with flexible booking policies on momondo?

All flight searches from Islip to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Islip to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from Islip.

I’m not ready to book a flight from Islip to Barcelona right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Islip to Barcelona now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Barcelona and let you know when they change.

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