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FlightsFrom Islip

To Barcelona

Cheap Flights from Islip to Barcelona

Browse current best options from Islip. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Islip

RatePunk searches hundreds of travel sites at once for deals on flights to Barcelona

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Islip to Barcelona

Explore current cheapest deals departing from Islip to Barcelona

August 5 - September 4

Cheapest
Best

ISP - Barcelona

$844

$795

Round trip

August 5 - September 2

Best

ISP - Barcelona

$844

$799

Round trip

July 11 - July 17

Earliest

ISP - Barcelona

$1,028

$1,088

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Islip to Barcelona

For travelers looking for cheap flights from Islip to Barcelona, January stands out as the most affordable month, with a median fare of just $429. Other favorable months include April, with a median fare of $910, and May, where the median price is $985.
Fares for flights from Islip to Barcelona typically range from $877–$1088, with a median price of $950. Right now, current fares are significantly above the typical level for this route. Only 4% of recent fares were classified as a good price, indicating that finding a particularly low fare can be challenging.
When flying from Islip to Barcelona, most itineraries connect at least once, as 0% of recent fares were for direct flights. For connecting itineraries, the typical number of stopovers is 5, which significantly extends the overall travel time.
A typical journey from Islip to Barcelona takes approximately 56h 34m, including connections. This extended duration is due to the lack of direct flights and the multiple stopovers typically involved in itineraries between these two cities.
The distance between Islip and Barcelona is approximately 6092 kilometers, classifying this as a long-haul route. This considerable distance contributes to the longer flight times and the necessity for connecting flights.

How much is a round trip from Islip to Barcelona

Regular price: $714 - $1,520

Prices for flights from Islip to Barcelona are currently within the regular range.

The regular price range for flights from Islip to Barcelona is 714 USD to 1520 USD. The current lowest deal is 795 USD with Frontier Airlines, for travel from Aug 5-Sep 4.

now $795

Low $714

High $1,520

The cheapest time to fly from Islip to Barcelona

The cheapest month to fly from ISP to BCN is January, with a median price of $429. The most expensive month is July, with a median price of $1891. Prices are generally lower from January to June.

January

Cheapest

Flights from $429

July

Most Expensive

Flights from $1,891

Jan
Mar
Apr
May
Jun
Jul
Nov

Direct flights from Islip to Barcelona

Airline logo

Frontier Airlines

Airline logo

Norse Atlantic UK

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Vueling Airlines

Last-minute flights going from Islip to Barcelona

Sat, Jul 11

⌛ Last-Minute

ISP - Barcelona

Frontier Airlines

Islip (ISP) - Barcelona (BCN)

Frontier Airlines

$1,028

$1,088

One-way

Wed, Aug 5

⌛ Last-Minute

ISP - Barcelona

Frontier AirlinesFrontier Airlines

Islip (ISP) - Barcelona (BCN)

Frontier Airlines, Norse Atlantic UK, Vueling Airlines

$844

$795

One-way

Wed, Aug 5

⌛ Last-Minute

ISP - Barcelona

Frontier AirlinesFrontier Airlines

Islip (ISP) - Barcelona (BCN)

Frontier Airlines, Norse Atlantic UK, Vueling Airlines

$844

$799

One-way

Biggest price drops on these dates for flights from Islip to Barcelona

30 nights

Aug 5 - Sep 4

$844  →  $795

6%

28 nights

Aug 5 - Sep 2

$844  →  $799

5%

6 nights

Jul 11 - Jul 17

$1,028  →  $1,088

6%

Popular Airports to fly from Islip to Barcelona

Islip - Barcelona route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Islip to Barcelona are below the typical level at $795.

📅 Best time to fly

January is historically cheapest at $429

Historically, January is the cheapest month to fly from Islip to Barcelona, with a median price of $429.

⏱️ Flight duration

Connecting flights average 56h 34m

Flights from Islip to Barcelona typically involve connecting flights, averaging 56h 34m in duration.

✈️ Airlines & availability

No direct flights available

There are no direct flights available from Islip to Barcelona; all routes include at least one stopover.

🏆 Airline highlight

Frontier Airlines offers deals with stopovers

Frontier Airlines has offered deals on flights from Islip to Barcelona, all with stopovers.

🎯 Booking tip

Book connecting flights for this route

Since direct flights are not available, consider booking connecting flights from Islip to Barcelona.

Islip main airports to depart from

Long Island MacArthur (ISP)

Cheapest

Long Island MacArthur Airport (ISP) is a good option for flights from Islip to Barcelona.

📍 ~10 km from Islip (reachable by car)

💸 Flights from ~$795

Barcelona main airports to arrive at

Barcelona–El Prat (BCN)

Cheapest

Barcelona–El Prat Airport is a convenient arrival choice for flights from Islip to Barcelona.

📍 ~10 km from city center (reachable by car)

💸 Flights from ~$795

Airports nearby Barcelona used as alternative

Girona–Costa Brava (GRO)

Girona–Costa Brava Airport is a useful alternative, especially for budget airlines, despite seasonal schedules.

📍 ~75 km from Barcelona (reachable by bus and rail)

💸 Flights from ~$958

Reus (REU)

Cheapest

Reus Airport offers excellent accessibility for southern Catalonia and is a reliable secondary option for low-cost traffic.

📍 ~90 km from Barcelona (reachable by road)

💸 Flights from ~$797

Perpignan–Rivesaltes (PGF)

Perpignan–Rivesaltes Airport is a viable cross-border option, accessible via high-speed rail links from Barcelona.

📍 ~160 km from Barcelona (reachable by high-speed rail)

💸 Flights from ~$1024

Lleida–Alguaire (ILD)

Lleida–Alguaire Airport is a regional alternative within Catalonia, though it has a very infrequent commercial flight schedule.

📍 ~135 km from Barcelona (reachable by car)

💸 Flights from ~$944

Castellón–Costa Azahar (CDT)

Castellón–Costa Azahar Airport is an alternative for the southernmost region, despite its substantial distance from Barcelona.

📍 ~240 km from Barcelona (reachable by car)

💸 Flights from ~$1013

Frequently Asked Questions About Flights to Barcelona

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can also help uncover better deals. Look for flights during the off-peak season or consider flying on weekdays, which are often less expensive.

Booking flights well in advance, often several months before your intended departure, can sometimes lead to lower prices. However, last-minute deals can occasionally appear, so it's wise to monitor price trends. Prices can fluctuate, so consistent checking may be beneficial.

Yes, comparing nearby airports can often provide more flight options and potentially lower fares. Sometimes, flying into or out of a slightly more distant airport may result in significant savings. Always factor in the additional travel time and cost to reach these alternative airports.

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