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$194+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ISP
Mar 15 — Mar 221
Sat 3/15
Sat 3/22
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 March 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$293
(Southwest)

One-way from

$194
(Southwest)

Popular in

January

Cheapest in

April

Average price

$396
Provider with most accurate pricing for Jacksonville-Islip Long Island flight deals.
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Provider most trusted by Cheapflights users for Jacksonville-Islip Long Island flights.
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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. 13% potential increase in price ($68 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 March 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 March 10, 2025.

This Southwest deal was found by Cheapflights users on 3/9. 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 4/26:15 pmJAX - ISP
1 stop4h 20mSouthwest
Mon 4/76:00 pmISP - JAX
1 stop5h 40mSouthwest
Deal found 3/9$293
This JetBlue deal was found by Cheapflights users on 3/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/51:40 pmJAX - ISP
1 stop8h 00mJetBlue
Sat 9/136:00 amISP - JAX
1 stop6h 43mJetBlue
Deal found 3/9$307
This Breeze Airways deal was found by Cheapflights users on 3/9. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/59:28 amJAX - ISP
1 stop9h 31mBreeze Airways
Sun 6/87:39 pmISP - JAX
1 stop23h 05mBreeze Airways
Deal found 3/9$639
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/36:50 pmJAX - ISP
2 stops23h 09mMultiple Airlines
Sun 4/610:50 amISP - JAX
3 stops33h 04mMultiple Airlines
Deal found 3/10$824

Find flights from Jacksonville to Islip within your budget

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 March 10, 2025.

Fly from

Jacksonville

Fly to

Islip

Route

Depart

Return

Price

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Wed 4/2

6:15 pm-10:35 pm

1 stop4h 20m

Islip Long Island

Mon 4/7

6:00 pm-11:40 pm

1 stop5h 40m

$293

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Fri 9/5

1:40 pm-9:40 pm

1 stop8h 00m

Islip Long Island

Sat 9/13

6:00 am-12:43 pm

1 stop6h 43m

$307

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Thu 6/5

9:28 am-6:59 pm

1 stop9h 31m

Islip Long Island

Sun 6/8

7:39 pm-6:44 pm

1 stop23h 05m

$639

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Thu 4/3

6:50 pm-5:59 pm

2 stops23h 09m

Islip Long Island

Sun 4/6

10:50 am-7:54 pm

3 stops33h 04m

$824

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Mon 4/7

5:15 am-10:45 am

1 stop5h 30m

$194

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Wed 4/9

9:32 pm-10:11 am

1 stop12h 39m

$321

JacksonvilleIslip

JAX - ISP

JAXISP

Jacksonville

Fri 3/21

10:44 am-1:55 pm

2 stops27h 11m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Compare providers for flights from Jacksonville to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Jacksonville to Islip in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Jacksonville-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Jacksonville-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Jacksonville-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Jacksonville-Islip, New York 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 Jacksonville-Islip, New York 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 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.

Travel insights for flights from Jacksonville to Islip

Get recent, data-driven insights about flights from Jacksonville to Islip including ideal travel times, pricing trends, and more.

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 March 10, 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 March 10, 2025.
Peruse reviews from past customers who have flown with Southwest, Breeze Airways and JetBlue 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.
Southwest
8.1
Very good
4,300 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,300 reviews
Southwest
8.1
Very good
4,300 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Breeze Airways
8.0
Very good
155 reviews
Southwest
8.1
Very good
4,300 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

JetBlue
7.3
Good
2,963 reviews
Southwest
8.1
Very good
4,300 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $293. Other airlines that can offer you cheap pricing are JetBlue, from $307, and Breeze Airways, from $639. Users have found that Southwest is 34% cheaper than the other options available to this destination.

  • 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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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 March 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$234Average$393FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$322Average$395FlexibilityNo cancel feeOn-time63%
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