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$203+ Cheap flights from Jacksonville to Islip, NY (JAX - ISP)

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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ISP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Jacksonville to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) to Islip (ISP). 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 June 12, 2025.

Round-trip from

$297
(Southwest)

One-way from

$203
(CheapOair)

Popular in

January

Cheapest in

May

Average price

$436
From Jacksonville to Islip Long Island
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One-way flight from Jacksonville to Islip Long Island
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Highest demand for flights based on searches. 12% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Jacksonville to Islip

Cheapest flights from Jacksonville to Islip
Explore the most affordable flight options available from Jacksonville to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/96:30 pmJAX - ISP
1 stop4h 25mSouthwest
Sat 7/126:00 amISP - JAX
1 stop4h 20mSouthwest
Deal found 6/10$297
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/197:49 pmJAX - ISP
2 stops41h 17mFrontier
Sat 6/218:21 pmISP - JAX
2 stops22h 31mFrontier
Deal found 6/10$564
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:48 pmJAX - ISP
1 stop19h 57mBreeze Airways
Thu 11/132:19 pmISP - JAX
1 stop23h 35mBreeze Airways
Deal found 6/10$571
This JetBlue Airways deal was found by Cheapflights users on 6/10. 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/78:00 pmJAX - ISP
1 stop14h 58mMultiple Airlines
Wed 9/102:19 pmISP - JAX
1 stop21h 38mMultiple Airlines
Deal found 6/10$739

Cheapflights Fare Finder

Customize your flight search to find flights from Jacksonville to Islip 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 June 12, 2025.
Use the filters below to find and compare flights from Jacksonville to Islip that are best for you.

Fly from

Jacksonville

Fly to

Islip

Route

Depart

Return

Price

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Wed 7/9

6:30 pm-10:55 pm

1 stop4h 25m

Islip Long Island

Sat 7/12

6:00 am-10:20 am

1 stop4h 20m

$297

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Thu 6/19

7:49 pm-1:06 pm

2 stops41h 17m

Islip Long Island

Sat 6/21

8:21 pm-6:52 pm

2 stops22h 31m

$564

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Mon 6/16

7:34 pm-1:15 pm

1 stop17h 41m

Islip Long Island

Thu 7/3

7:39 pm-12:10 pm

3 stops40h 31m

$738

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Sun 9/7

8:00 pm-10:58 am

1 stop14h 58m

Islip Long Island

Wed 9/10

2:19 pm-11:57 am

1 stop21h 38m

$739

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Thu 6/19

9:30 am-6:59 pm

1 stop9h 29m

$203

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Mon 6/23

7:45 pm-12:05 am

1 stop4h 20m

$214

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Thu 7/10

9:55 pm-1:04 pm

2 stops15h 09m

$290

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Mon 8/4

8:49 pm-10:58 am

1 stop14h 09m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Jacksonville to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Jacksonville 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 Jacksonville to Islip

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

Currently, January is the cheapest month in which you can book a flight from Jacksonville to Islip, New York (average of $108). Flying from Jacksonville to Islip, New York in November is currently the most expensive (average of $213). 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.

What is the cheapest time of day to fly from JAX to ISP?

Find hourly flight availability from Jacksonville to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Jacksonville to Islip, New York at noon. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the evening.

Rainfall in Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Breeze Airways, Southwest and Frontier from Jacksonville to Islip to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
178 reviews

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
178 reviews
Breeze Airways
8.1
Very good
178 reviews

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,287 reviews
Breeze Airways
8.1
Very good
178 reviews

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Frontier
5.9
Fair
3,295 reviews
Breeze Airways
8.1
Very good
178 reviews

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Related info for your journey

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

  • What are the cheapest airlines flying from Jacksonville to Islip, New York round-trip?

    Cheapflights users have booked flights from Jacksonville to Islip, New York round-trip from $297. Other airlines that can offer you cheap pricing are Frontier, from $564, and Breeze Airways, from $738. Users have found that Southwest is 33% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Jacksonville to Islip, New York one-way?

    The cheapest airline one-way is Breeze Airways, with whom users have recently found tickets for as low as $203. However, be on the lookout for offers from Southwest and Frontier, as they are both options that can get you from Jacksonville to Islip, New York for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Jacksonville to Islip 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 Jacksonville to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from Jacksonville to Islip, New York (average of $108). Flying from Jacksonville to Islip, New York in November is currently the most expensive (average of $213). 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 Jacksonville?

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Southampton
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Alternative routes for Jacksonville to Islip

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Jacksonville to Islip

Discover the top 2 airlines that operate flights from Jacksonville to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$234Average$416FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$302Average$381FlexibilityNo cancel feeOn-time63%

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