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Cheap flights from Islip, New York to Barcelona from $1,619

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 6/1. 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

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
2:28 pm - 1:15 am
ISP
-
BCN
28h 47m
2 stops
Multiple Airlines Logo
7:10 pm - 11:05 am
BCN
-
ISP
21h 55m
1 stop
$1,619Multiple Airlines
Mon, Jun 1 - Sun, Jun 7
Multiple Airlines Logo
11:30 am - 10:30 pm
ISP
-
BCN
29h 00m
2 stops
Multiple Airlines Logo
11:10 pm - 10:40 am
BCN
-
ISP
41h 30m
2 stops
$1,869Multiple Airlines
Wed, Jun 17 - Wed, Jun 24
Multiple Airlines Logo
12:30 pm - 12:15 pm
ISP
-
BCN
17h 45m
1 stop
Multiple Airlines Logo
9:55 am - 8:57 pm
BCN
-
ISP
41h 02m
2 stops
$2,026Multiple Airlines
Wed, Jun 17 - Wed, Jun 24
Multiple Airlines Logo
12:30 pm - 9:45 am
ISP
-
BCN
15h 15m
2 stops
Multiple Airlines Logo
9:15 am - 7:45 pm
BCN
-
ISP
16h 30m
2 stops
$2,307Multiple Airlines
Mon, Jun 1 - Sun, Jun 7

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momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Barcelona 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 May 4, 2026.
Use the filters below to find and compare flights from Islip, New York to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Mon 6/1

2:28 pm-1:15 am

2 stops28h 47m

Barcelona-El Prat

Sun 6/7

7:10 pm-11:05 am

1 stop21h 55m

$1,619

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Wed 6/17

11:30 am-10:30 pm

2 stops29h 00m

Barcelona-El Prat

Wed 6/24

11:10 pm-10:40 am

2 stops41h 30m

$1,869

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Wed 6/17

12:30 pm-12:15 pm

1 stop17h 45m

Barcelona-El Prat

Wed 6/24

9:55 am-8:57 pm

2 stops41h 02m

$2,026
Quickest round-trip

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Mon 6/1

12:30 pm-9:45 am

2 stops15h 15m

Barcelona-El Prat

Sun 6/7

9:15 am-7:45 pm

2 stops16h 30m

$2,307

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

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?

The cheapest day to depart from Islip, New York to Barcelona is on a Tuesday when prices can be found for as low as $554. On the other hand, Friday is the most expensive day to depart from Islip, New York because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $666.

What is the cheapest time of day to depart on your flight to Barcelona?

In the evening is the cheapest time of day to fly from Islip, New York to Barcelona when you can find flight prices for as low as $585. Flying to Barcelona in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $692 on average. Flights to Barcelona from Islip, New York in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Islip, New York to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Barcelona

Fastest flight time

17h 40m

Direct flights

None
The fastest flight from Islip, New York to Barcelona takes 17h 40m
There are no direct flights from Islip, New York to Barcelona. There are no popular flight routes from Islip, New York to Barcelona.
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Frequently asked questions about flying from Islip, New York to Barcelona

  • How far is Islip Long Island to Barcelona by plane?

    The straight-line distance from Islip Long Island to Barcelona is 3791.6 mi. Flights usually cover this in 17h 40m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Islip Long Island Airport to Barcelona are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Barcelona.

  • What documentation or ID do you need to fly to Barcelona?

    The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Islip to Barcelona. momondo saves you time and could save you money on your trip.

Can I find flights from Islip to Barcelona with flexible booking policies on momondo?

momondo does allow users to show only those flights to Barcelona from Islip which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Islip to Barcelona flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Barcelona from Islip. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Spain

Fly into one of these airports located in Barcelona

Airports listed have a maximum distance of 46.7 mi from Barcelona
Barcelona-El Prat Airport
Girona Costa Brava Airport