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Cheap flights from Islip, New York to Barcelona from $1,095

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 9/20. 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
1 adult, Economy, 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
7:05 am - 12:40 pmISP  Islip Long Island-BCN Barcelona-El Prat
23h 35m1 stop Boston Logan Intl
Multiple Airlines Logo
8:45 am - 4:58 pmBCN  Barcelona-El Prat-ISP Islip Long Island
38h 13m2 stops London Gatwick Orlando
$1,095Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
2:16 pm - 12:00 pmISP  Islip Long Island-BCN Barcelona-El Prat
15h 44m1 stop Boston Logan Intl
Multiple Airlines Logo
4:30 pm - 4:58 pmBCN  Barcelona-El Prat-ISP Islip Long Island
54h 28m2 stops London Gatwick Orlando
$1,151Multiple Airlines
Thu, Sep 17 - Thu, Sep 24
Multiple Airlines Logo
2:16 pm - 12:00 pmISP  Islip Long Island-BCN Barcelona-El Prat
15h 44m1 stop Boston Logan Intl
Multiple Airlines Logo
4:30 pm - 4:58 pmBCN  Barcelona-El Prat-ISP Islip Long Island
54h 28m2 stops London Gatwick Orlando
$1,152Multiple Airlines
Thu, Sep 17 - Thu, Sep 24
Multiple Airlines Logo
7:05 am - 8:00 amISP  Islip Long Island-BCN Barcelona-El Prat
18h 55m2 stops Boston Logan Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
6:40 am - 8:59 pmBCN  Barcelona-El Prat-ISP Islip Long Island
20h 19m3 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl Boston Logan Intl
$1,222Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
7:05 am - 12:40 pmISP  Islip Long Island-BCN Barcelona-El Prat
23h 35m1 stop Boston Logan Intl
Multiple Airlines Logo
7:10 pm - 10:56 amBCN  Barcelona-El Prat-ISP Islip Long Island
21h 46m1 stop Boston Logan Intl
$1,242Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
2:16 pm - 9:45 amISP  Islip Long Island-BCN Barcelona-El Prat
13h 29m1 stop Boston Logan Intl
Multiple Airlines Logo
12:50 pm - 10:30 amBCN  Barcelona-El Prat-ISP Islip Long Island
27h 40m1 stop Boston Logan Intl
$1,257Multiple Airlines
Thu, Sep 17 - Thu, Sep 24
Multiple Airlines Logo
7:05 am - 8:00 amISP  Islip Long Island-BCN Barcelona-El Prat
18h 55m2 stops Boston Logan Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
5:45 pm - 8:15 pmBCN  Barcelona-El Prat-ISP Islip Long Island
32h 30m2 stops Lisbon Humberto Delgado Boston Logan Intl
$1,292Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
10:05 am - 12:00 pmISP  Islip Long Island-BCN Barcelona-El Prat
19h 55m1 stop Boston Logan Intl
Multiple Airlines Logo
6:30 pm - 10:30 amBCN  Barcelona-El Prat-ISP Islip Long Island
22h 00m1 stop Boston Logan Intl
$1,301Multiple Airlines
Thu, Sep 17 - Thu, Sep 24
Multiple Airlines Logo
7:31 am - 12:10 amISP  Islip Long Island-BCN Barcelona-El Prat
34h 39m3 stops Boston Logan Intl Montreal Pierre Elliott Trudeau Intl London Heathrow
Multiple Airlines Logo
3:00 pm - 8:59 pmBCN  Barcelona-El Prat-ISP Islip Long Island
35h 59m2 stops Lisbon Humberto Delgado Boston Logan Intl
$1,361Multiple Airlines
Thu, Sep 17 - Thu, Sep 24
Multiple Airlines Logo
2:16 pm - 11:55 amISP  Islip Long Island-BCN Barcelona-El Prat
15h 39m2 stops Boston Logan Intl Frankfurt am Main
Multiple Airlines Logo
3:00 pm - 6:35 pmBCN  Barcelona-El Prat-ISP Islip Long Island
33h 35m2 stops Lisbon Humberto Delgado Boston Logan Intl
$1,408Multiple Airlines
Thu, Sep 17 - Thu, Sep 24

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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 August 8, 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 Islip Long Island - BCN Barcelona-El Prat

ISPBCN

Islip Long Island

Sun 9/20

7:05 am-12:40 pm

1 stop23h 35m

Barcelona-El Prat

Sun 9/27

8:45 am-4:58 pm

2 stops38h 13m

$1,095

IslipBarcelona

ISP Islip Long Island - BCN Barcelona-El Prat

ISPBCN

Islip Long Island

Thu 9/17

2:16 pm-12:00 pm

1 stop15h 44m

Barcelona-El Prat

Thu 9/24

4:30 pm-4:58 pm

2 stops54h 28m

$1,151

IslipBarcelona

ISP Islip Long Island - BCN Barcelona-El Prat

ISPBCN

Islip Long Island

Thu 9/17

2:16 pm-12:00 pm

1 stop15h 44m

Barcelona-El Prat

Thu 9/24

4:30 pm-4:58 pm

2 stops54h 28m

$1,152
Quickest round-trip

IslipBarcelona

ISP Islip Long Island - BCN Barcelona-El Prat

ISPBCN

Islip Long Island

Sun 9/20

7:05 am-8:00 am

2 stops18h 55m

Barcelona-El Prat

Sun 9/27

6:40 am-8:59 pm

3 stops20h 19m

$1,222

IslipBarcelona

ISP Islip Long Island - BCN Barcelona-El Prat

ISPBCN

Islip Long Island

Sun 9/20

7:05 am-12:40 pm

1 stop23h 35m

Barcelona-El Prat

Sun 9/27

7:10 pm-10:56 am

1 stop21h 46m

$1,242

IslipBarcelona

ISP Islip Long Island - BCN Barcelona-El Prat

ISPBCN

Islip Long Island

Thu 9/17

2:16 pm-9:45 am

1 stop13h 29m

Barcelona-El Prat

Thu 9/24

12:50 pm-10:30 am

1 stop27h 40m

$1,257

IslipBarcelona

ISP Islip Long Island - BCN Barcelona-El Prat

ISPBCN

Islip Long Island

Sun 9/20

7:05 am-8:00 am

2 stops18h 55m

Barcelona-El Prat

Sun 9/27

5:45 pm-8:15 pm

2 stops32h 30m

$1,292

IslipBarcelona

ISP Islip Long Island - BCN Barcelona-El Prat

ISPBCN

Islip Long Island

Thu 9/17

10:05 am-12:00 pm

1 stop19h 55m

Barcelona-El Prat

Thu 9/24

6:30 pm-10:30 am

1 stop22h 00m

$1,301

IslipBarcelona

ISP Islip Long Island - BCN Barcelona-El Prat

ISPBCN

Islip Long Island

Thu 9/17

7:31 am-12:10 am

3 stops34h 39m

Barcelona-El Prat

Thu 9/24

3:00 pm-8:59 pm

2 stops35h 59m

$1,361

IslipBarcelona

ISP Islip Long Island - BCN Barcelona-El Prat

ISPBCN

Islip Long Island

Thu 9/17

2:16 pm-11:55 am

2 stops15h 39m

Barcelona-El Prat

Thu 9/24

3:00 pm-6:35 pm

2 stops33h 35m

$1,408

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 Sunday when prices can be found for as low as $606. 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 $742.

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 $618. 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 $817 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

10h 11m

Direct flights

None
The fastest flight from Islip, New York to Barcelona takes 10h 11m
There are no direct flights from Islip, New York to Barcelona. There are no popular flight routes from Islip, New York to Barcelona.
Search flight deals

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 10h 11m, 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