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Cheap flights from Islip, New York to Barcelona from $924

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Barcelona departing on 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Islip, New York to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:25 am - 3:55 pm
ISP
-
BCN
26h 30m
2 stops
Multiple Airlines Logo
6:30 pm - 11:05 am
BCN
-
ISP
22h 35m
1 stop
$1,582Multiple Airlines
Thu, May 28 - Thu, Jun 4
Multiple Airlines Logo
2:35 pm - 10:30 pm
ISP
-
BCN
25h 55m
2 stops
Multiple Airlines Logo
11:10 pm - 12:28 pm
BCN
-
ISP
43h 18m
2 stops
$1,640Multiple Airlines
Thu, May 28 - Thu, Jun 4
Multiple Airlines Logo
9:59 am - 12:45 am
ISP
-
BCN
32h 46m
3 stops
Multiple Airlines Logo
6:30 am - 6:44 pm
BCN
-
ISP
42h 14m
3 stops
$1,669Multiple Airlines
Fri, Apr 24 - Mon, Apr 27
Multiple Airlines Logo
5:35 pm - 10:30 pm
ISP
-
BCN
46h 55m
2 stops
Multiple Airlines Logo
11:10 pm - 4:30 pm
BCN
-
ISP
47h 20m
2 stops
$1,674Multiple Airlines
Fri, Apr 24 - Mon, Apr 27
Multiple Airlines Logo
2:35 pm - 10:30 pm
ISP
-
BCN
25h 55m
2 stops
Multiple Airlines Logo
11:10 pm - 1:39 pm
BCN
-
ISP
44h 29m
2 stops
$1,690Multiple Airlines
Sun, May 24 - Sun, May 31
Multiple Airlines Logo
2:31 pm - 2:45 pm
ISP
-
BCN
18h 14m
2 stops
Multiple Airlines Logo
6:30 pm - 6:44 pm
BCN
-
ISP
30h 14m
1 stop
$1,716Multiple Airlines
Fri, Apr 24 - Mon, Apr 27
Multiple Airlines Logo
12:30 pm - 11:45 pm
ISP
-
BCN
29h 15m
3 stops
Multiple Airlines Logo
6:00 am - 7:45 pm
BCN
-
ISP
19h 45m
2 stops
$1,721Multiple Airlines
Thu, May 28 - Thu, Jun 4
Multiple Airlines Logo
9:59 am - 2:45 pm
ISP
-
BCN
22h 46m
2 stops
Multiple Airlines Logo
6:30 am - 6:44 pm
BCN
-
ISP
42h 14m
3 stops
$1,787Multiple Airlines
Fri, Apr 24 - Mon, Apr 27
Multiple Airlines Logo
12:30 pm - 11:45 pm
ISP
-
BCN
29h 15m
3 stops
Multiple Airlines Logo
10:40 pm - 7:45 pm
BCN
-
ISP
27h 05m
3 stops
$1,822Multiple Airlines
Thu, May 28 - Thu, Jun 4
Multiple Airlines Logo
9:59 am - 12:10 pm
ISP
-
BCN
20h 11m
1 stop
Multiple Airlines Logo
6:30 pm - 6:44 pm
BCN
-
ISP
30h 14m
1 stop
$1,921Multiple Airlines
Fri, Apr 24 - Mon, Apr 27

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York 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 April 14, 2026.
Use the filters below to find and compare flights from Islip, New York to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 5/28

7:25 am-3:55 pm

2 stops26h 30m

Barcelona-El Prat

Thu 6/4

6:30 pm-11:05 am

1 stop22h 35m

$1,582

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 5/28

2:35 pm-10:30 pm

2 stops25h 55m

Barcelona-El Prat

Thu 6/4

11:10 pm-12:28 pm

2 stops43h 18m

$1,640

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Fri 4/24

9:59 am-12:45 am

3 stops32h 46m

Barcelona-El Prat

Mon 4/27

6:30 am-6:44 pm

3 stops42h 14m

$1,669

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Fri 4/24

5:35 pm-10:30 pm

2 stops46h 55m

Barcelona-El Prat

Mon 4/27

11:10 pm-4:30 pm

2 stops47h 20m

$1,674

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Sun 5/24

2:35 pm-10:30 pm

2 stops25h 55m

Barcelona-El Prat

Sun 5/31

11:10 pm-1:39 pm

2 stops44h 29m

$1,690
Quickest round-trip

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Fri 4/24

2:31 pm-2:45 pm

2 stops18h 14m

Barcelona-El Prat

Mon 4/27

6:30 pm-6:44 pm

1 stop30h 14m

$1,716

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 5/28

12:30 pm-11:45 pm

3 stops29h 15m

Barcelona-El Prat

Thu 6/4

6:00 am-7:45 pm

2 stops19h 45m

$1,721

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Fri 4/24

9:59 am-2:45 pm

2 stops22h 46m

Barcelona-El Prat

Mon 4/27

6:30 am-6:44 pm

3 stops42h 14m

$1,787

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 5/28

12:30 pm-11:45 pm

3 stops29h 15m

Barcelona-El Prat

Thu 6/4

10:40 pm-7:45 pm

3 stops27h 05m

$1,822

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Fri 4/24

9:59 am-12:10 pm

1 stop20h 11m

Barcelona-El Prat

Mon 4/27

6:30 pm-6:44 pm

1 stop30h 14m

$1,921

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Barcelona from

How to get the cheapest flight ticket from Islip, New York 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 $552. 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 $662. 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, New York in the evening is the least expensive time of day to depart. momondo users have found prices as low as $587 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $687 on average. Flights to Barcelona-El Prat Airport from Islip, New York in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Islip, New York to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York 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, New York 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, New York to Barcelona-El Prat Airport

Fastest flight time

26h 30m

Direct flights

None
The fastest flight from Islip, New York to Barcelona-El Prat Airport takes 26h 30m
There are no direct flights from Islip, New York to Barcelona-El Prat Airport. There are no popular flight routes from Islip, New York to Barcelona-El Prat Airport.
Search flight deals

Frequently asked questions about flying from Islip, New York to Barcelona-El Prat Airport

  • 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 26h 30m.

  • 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
Salou
Sitges
Tossa de Mar
Castelldefels
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Cambrils
Santa Susanna
Cadaques
Badalona
Pals
Pineda de Mar
Empuriabrava
Roses
Palafrugell
Calella de Palafrugell
Malgrat de Mar

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.

An easier way to manage your Barcelona-El Prat Airport trip

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