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Cheap flights from Islip, New York to Barcelona from $1,025

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, New York to Barcelona departing on 5/6. 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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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
11:00 am - 12:10 pm
ISP
-
BCN
43h 10m
2 stops
Multiple Airlines Logo
6:30 pm - 11:05 am
BCN
-
ISP
22h 35m
1 stop
$1,025Multiple Airlines
Wed, May 6 - Wed, May 13
Multiple Airlines Logo
12:30 pm - 12:10 pm
ISP
-
BCN
17h 40m
1 stop
Multiple Airlines Logo
6:30 pm - 1:28 pm
BCN
-
ISP
24h 58m
2 stops
$1,071Multiple Airlines
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
9:59 am - 12:10 pm
ISP
-
BCN
20h 11m
1 stop
Multiple Airlines Logo
6:30 pm - 4:10 pm
BCN
-
ISP
27h 40m
1 stop
$1,122Multiple Airlines
Sat, May 9 - Sat, May 16
Multiple Airlines Logo
7:25 am - 12:10 pm
ISP
-
BCN
22h 45m
1 stop
Multiple Airlines Logo
6:30 pm - 4:10 pm
BCN
-
ISP
27h 40m
1 stop
$1,189Multiple Airlines
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
12:30 pm - 12:10 pm
ISP
-
BCN
17h 40m
1 stop
Multiple Airlines Logo
6:30 pm - 11:05 am
BCN
-
ISP
22h 35m
1 stop
$1,339Multiple Airlines
Wed, May 6 - Wed, May 13
JetBlue Logo
8:59 pm - 9:45 am
ISP
-
BCN
30h 46m
2 stops
JetBlue Logo
12:50 pm - 5:44 pm
BCN
-
ISP
34h 54m
2 stops
$1,375JetBlue
Wed, May 6 - Wed, May 13
Multiple Airlines Logo
6:40 pm - 10:30 pm
ISP
-
BCN
45h 50m
2 stops
Multiple Airlines Logo
11:10 pm - 5:44 pm
BCN
-
ISP
48h 34m
2 stops
$1,625Multiple Airlines
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
6:40 pm - 10:30 pm
ISP
-
BCN
45h 50m
2 stops
Multiple Airlines Logo
11:10 pm - 5:44 pm
BCN
-
ISP
48h 34m
2 stops
$1,638Multiple Airlines
Sat, May 9 - Sat, May 16

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 March 28, 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

Wed 5/6

11:00 am-12:10 pm

2 stops43h 10m

Barcelona-El Prat

Wed 5/13

6:30 pm-11:05 am

1 stop22h 35m

$1,025

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 5/7

12:30 pm-12:10 pm

1 stop17h 40m

Barcelona-El Prat

Thu 5/14

6:30 pm-1:28 pm

2 stops24h 58m

$1,071

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Sat 5/9

9:59 am-12:10 pm

1 stop20h 11m

Barcelona-El Prat

Sat 5/16

6:30 pm-4:10 pm

1 stop27h 40m

$1,122

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 5/7

7:25 am-12:10 pm

1 stop22h 45m

Barcelona-El Prat

Thu 5/14

6:30 pm-4:10 pm

1 stop27h 40m

$1,189
Quickest round-trip

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Wed 5/6

12:30 pm-12:10 pm

1 stop17h 40m

Barcelona-El Prat

Wed 5/13

6:30 pm-11:05 am

1 stop22h 35m

$1,339

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Wed 5/6

8:59 pm-9:45 am

2 stops30h 46m

Barcelona-El Prat

Wed 5/13

12:50 pm-5:44 pm

2 stops34h 54m

$1,375

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 5/7

6:40 pm-10:30 pm

2 stops45h 50m

Barcelona-El Prat

Thu 5/14

11:10 pm-5:44 pm

2 stops48h 34m

$1,625

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Sat 5/9

6:40 pm-10:30 pm

2 stops45h 50m

Barcelona-El Prat

Sat 5/16

11:10 pm-5:44 pm

2 stops48h 34m

$1,638

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 $562. 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 $670. 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 $595 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 $693 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

20h 11m

Direct flights

None
The fastest flight from Islip, New York to Barcelona-El Prat Airport takes 20h 11m
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

  • 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 20h 11m.

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

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