What airlines fly to Barcelona?

Iberia, United Airlines and LEVEL are the top three most popular airlines that fly to Barcelona from Islip according to our data. Iberia is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 23 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

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.

$899 Cheap Flights from Islip to Barcelona in 2025/26

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Find the cheapest flights from Islip to Barcelona

Round-trip

One-way

Cheap round-trip flights

12:40 pm - 11:55 amISP-BCN

18h 15m1 stop

7:00 am - 10:37 amBCN-ISP

33h 37m2 stops

$899Multiple Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

9:59 am - 11:55 amISP-BCN

20h 56m1 stop

6:10 pm - 11:04 amBCN-ISP

22h 54m1 stop

$1,002Multiple Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

9:59 am - 8:00 amISP-BCN

16h 01m2 stops

6:10 pm - 7:45 pmBCN-ISP

31h 35m1 stop

$1,711Multiple Airlines

Find Deal

Mon, Dec 22 - Thu, Dec 25

12:40 pm - 8:00 amISP-BCN

13h 20m2 stops

3:35 pm - 11:04 amBCN-ISP

25h 29m2 stops

$1,851Multiple Airlines

Find Deal

Mon, Dec 22 - Thu, Dec 25

Fly from

Fly to

Route

Depart

Return

Price

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 10/30

12:40 pm-11:55 am

1 stop18h 15m

Barcelona-El Prat

Thu 11/6

7:00 am-10:37 am

2 stops33h 37m

$899

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 10/30

9:59 am-11:55 am

1 stop20h 56m

Barcelona-El Prat

Thu 11/6

6:10 pm-11:04 am

1 stop22h 54m

$1,002

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Mon 12/22

9:59 am-8:00 am

2 stops16h 01m

Barcelona-El Prat

Thu 12/25

6:10 pm-7:45 pm

1 stop31h 35m

$1,711

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Mon 12/22

12:40 pm-8:00 am

2 stops13h 20m

Barcelona-El Prat

Thu 12/25

3:35 pm-11:04 am

2 stops25h 29m

$1,851

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Islip 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

Prices

Airlines

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

The cheapest day to depart from Islip to Barcelona is on a Tuesday when prices can be found for as low as $633. On the other hand, Friday is the most expensive day to depart from Islip because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $739.

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

In the morning is the cheapest time of day to fly from Islip to Barcelona when you can find flight prices for as low as $638. Flying to Barcelona in the morning 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 $739 on average. Flights to Barcelona from Islip in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Islip to Barcelona flight deals and tips

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

Direct flights	None

There are no direct flights from Islip to Barcelona. There are no popular flight routes from Islip to Barcelona.

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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 13h 20m, 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.