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Alicante

$452+ Cheap flights from Islip, NY (ISP) to Alicante (ALC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — ALC
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap flight deals from Islip to Alicante

One-way flights from Islip to Alicante
Search for one-way flight options from Islip to Alicante. Find affordable one-way fares based on user searches. Data last updated February 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/154:34 pm
ISP
-
ALC
3 stops44h 51m
Multiple Airlines
Deal found 2/18$452
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/152:28 pm
ISP
-
ALC
2 stops26h 27m
Multiple Airlines
Deal found 2/18$461

Find flight deals from Islip to Alicante

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Alicante (ALC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

January

Average price

$532
Provider with most accurate pricing for Islip Long Island-Alicante flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Alicante flights.
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Alicante 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, Cheapflights users made 2,558,603 searches. Data last updated February 19, 2026.
Use the filters below to find and compare flights from Islip to Alicante that are best for you.

Fly from

Islip

Fly to

Alicante

Route

Depart

Return

Price

IslipAlicante

ISP - ALC

ISPALC

Islip Long Island

Sun 3/15

4:34 pm-6:25 pm

3 stops44h 51m

$452

IslipAlicante

ISP - ALC

ISPALC

Islip Long Island

Fri 5/15

2:28 pm-10:55 pm

2 stops26h 27m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

  • Most accurate provider: When it comes to deals on Islip, New York-Alicante flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Alicante flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Alicante flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Alicante flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Alicante flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Islip to Alicante

Have a flexible travel schedule? Discover the best time to fly to Alicante from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Islip to Alicante

What is the cheapest month to book a flight from Islip, New York to Alicante?

Currently, November is the cheapest month in which you can book a flight from Islip, New York to Alicante (average of $335). Flying from Islip, New York to Alicante in June is currently the most expensive (average of $581). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Islip to Alicante. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Islip to Alicante that include hotel bookings?

    Yes. In addition to deals on Islip to Alicante flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Alicante?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Alicante.

  • Can I find deals for business class flights from Islip to Alicante?

    Yes. Cheapflights offers flight deals from Islip to Alicante by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip, New York to Alicante?

    Currently, November is the cheapest month in which you can book a flight from Islip, New York to Alicante (average of $335). Flying from Islip, New York to Alicante in June is currently the most expensive (average of $581). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Alicante?

Book flights to Alicante if you plan to visit one of these locations
Torrevieja
La Manga

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