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Cheap flights from Islip, New York to Jacksonville from $143

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Jacksonville departing on 12/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Islip, New York to Jacksonville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 12:31 pmISP-JAX
30h 31m2 stops
Multiple Airlines Logo
10:33 am - 9:58 amJAX-ISP
23h 25m1 stop
$241Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
2:19 pm - 1:54 pmISP-JAX
23h 35m1 stop
Multiple Airlines Logo
10:59 am - 8:02 amJAX-ISP
45h 03m2 stops
$277Multiple Airlines
Find Deal
Sun, Nov 16 - Sat, Nov 22
Breeze Airways Logo
2:19 pm - 1:54 pmISP-JAX
23h 35m1 stop
Breeze Airways Logo
2:25 pm - 6:56 pmJAX-ISP
4h 31m1 stop
$287Breeze Airways
Find Deal
Sun, Nov 16 - Thu, Nov 20
Breeze Airways Logo
8:45 pm - 10:38 amISP-JAX
13h 53m2 stops
Breeze Airways Logo
2:25 pm - 6:56 pmJAX-ISP
4h 31m1 stop
$312Breeze Airways
Find Deal
Wed, Nov 19 - Thu, Nov 20
Multiple Airlines Logo
2:19 pm - 1:54 pmISP-JAX
23h 35m1 stop
Multiple Airlines Logo
9:38 am - 8:02 amJAX-ISP
22h 24m2 stops
$325Multiple Airlines
Find Deal
Sun, Nov 16 - Fri, Nov 21
Southwest Logo
12:55 pm - 8:15 pmISP-JAX
7h 20m1 stop
Southwest Logo
7:00 am - 12:15 pmJAX-ISP
5h 15m1 stop
$355Southwest
Find Deal
Thu, Dec 4 - Mon, Dec 8
Southwest Logo
5:55 am - 5:00 pmISP-JAX
11h 05m2 stops
Southwest Logo
7:00 am - 12:15 pmJAX-ISP
5h 15m1 stop
$360Southwest
Find Deal
Thu, Dec 4 - Mon, Dec 8
Southwest Logo
5:55 am - 5:00 pmISP-JAX
11h 05m2 stops
Southwest Logo
6:10 am - 3:20 pmJAX-ISP
9h 10m2 stops
$365Southwest
Find Deal
Thu, Dec 4 - Mon, Dec 8
Southwest Logo
4:30 pm - 9:25 pmISP-JAX
4h 55m1 stop
Southwest Logo
4:05 pm - 10:10 pmJAX-ISP
6h 05m1 stop
$372Southwest
Find Deal
Fri, Apr 17 - Wed, Apr 22
Breeze Airways Logo
11:59 am - 10:41 amISP-JAX
46h 42m2 stops
Breeze Airways Logo
5:51 pm - 1:31 pmJAX-ISP
19h 40m1 stop
$609Breeze Airways
Find Deal
Tue, Apr 28 - Thu, Apr 30

Southwest flights from Islip, New York to Jacksonville

Our best Southwest deals on Islip, New York to Jacksonville flight tickets
Southwest
Dec 4
ISP12:55 pmIslip Long Island
7h 20m
1 stop
JAX8:15 pmJacksonville
Dec 8
JAX7:00 amJacksonville
5h 15m
1 stop
ISP12:15 pmIslip Long Island
$355
Find similar
Southwest
Dec 4
ISP5:55 amIslip Long Island
11h 05m
2 stops
JAX5:00 pmJacksonville
Dec 8
JAX7:00 amJacksonville
5h 15m
1 stop
ISP12:15 pmIslip Long Island
$360
Find similar
Southwest
Dec 4
ISP5:55 amIslip Long Island
11h 05m
2 stops
JAX5:00 pmJacksonville
Dec 8
JAX6:10 amJacksonville
9h 10m
2 stops
ISP3:20 pmIslip Long Island
$365
Find similar

Breeze Airways flights from Islip, New York to Jacksonville

Our best Breeze Airways deals on Islip, New York to Jacksonville flight tickets
Breeze Airways
Nov 16
ISP2:19 pmIslip Long Island
23h 35m
1 stop
JAX1:54 pmJacksonville
Nov 20
JAX2:25 pmJacksonville
4h 31m
1 stop
ISP6:56 pmIslip Long Island
$287
Find similar
Breeze Airways
Nov 19
ISP8:45 pmIslip Long Island
13h 53m
2 stops
JAX10:38 amJacksonville
Nov 20
JAX2:25 pmJacksonville
4h 31m
1 stop
ISP6:56 pmIslip Long Island
$312
Find similar
Breeze Airways
Nov 13
ISP2:19 pmIslip Long Island
23h 35m
1 stop
JAX1:54 pmJacksonville
Nov 16
JAX5:48 pmJacksonville
19h 57m
1 stop
ISP1:45 pmIslip Long Island
$538
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Jacksonville 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 November 6, 2025.
Use the filters below to find and compare flights from Islip, New York to Jacksonville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Wed 12/3

6:00 am-12:31 pm

2 stops30h 31m

Jacksonville

Wed 12/10

10:33 am-9:58 am

1 stop23h 25m

$241

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Sun 11/16

2:19 pm-1:54 pm

1 stop23h 35m

Jacksonville

Sat 11/22

10:59 am-8:02 am

2 stops45h 03m

$277

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Sun 11/16

2:19 pm-1:54 pm

1 stop23h 35m

Jacksonville

Thu 11/20

2:25 pm-6:56 pm

1 stop4h 31m

$287

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Wed 11/19

8:45 pm-10:38 am

2 stops13h 53m

Jacksonville

Thu 11/20

2:25 pm-6:56 pm

1 stop4h 31m

$312

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Sun 11/16

2:19 pm-1:54 pm

1 stop23h 35m

Jacksonville

Fri 11/21

9:38 am-8:02 am

2 stops22h 24m

$325

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Thu 12/4

12:55 pm-8:15 pm

1 stop7h 20m

Jacksonville

Mon 12/8

7:00 am-12:15 pm

1 stop5h 15m

$355

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Thu 12/4

5:55 am-5:00 pm

2 stops11h 05m

Jacksonville

Mon 12/8

7:00 am-12:15 pm

1 stop5h 15m

$360

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Thu 12/4

5:55 am-5:00 pm

2 stops11h 05m

Jacksonville

Mon 12/8

6:10 am-3:20 pm

2 stops9h 10m

$365

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Fri 4/17

4:30 pm-9:25 pm

1 stop4h 55m

Jacksonville

Wed 4/22

4:05 pm-10:10 pm

1 stop6h 05m

$372

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Tue 4/28

11:59 am-10:41 am

2 stops46h 42m

Jacksonville

Thu 4/30

5:51 pm-1:31 pm

1 stop19h 40m

$609

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Jacksonville from

How to get the cheapest flight ticket from Islip, New York to Jacksonville

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 month to fly to Jacksonville?

If you are unable to visit Jacksonville during the month of July, then departing from Islip, New York during the month August is also very affordable. Most momondo users find prices during this month for around $318.

What is the cheapest day to depart on your flight to Jacksonville?

According to our data, Tuesday is the cheapest day to fly to Jacksonville from Islip, New York. The lowest ticket price found for a Tuesday departure recently was $256. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday 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 $340.

What is the cheapest time of day to depart on your flight to Jacksonville?

Flying to Jacksonville from Islip, New York at noon is the least expensive time of day to depart. momondo users have found prices as low as $277 when looking at flights departing at noon. Flights to Jacksonville are more costly in the evening, with an average ticket price of $324. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Islip, New York to Jacksonville

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Jacksonville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to Jacksonville (ISP to JAX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Jacksonville

Direct flights

None
There are no direct flights from Islip, New York to Jacksonville. There are no popular flight routes from Islip, New York to Jacksonville.
Search flight deals

  • How far is Islip Long Island to Jacksonville by plane?

    The straight-line distance from Islip Long Island to Jacksonville is 859.6 mi. Typically, this will take 4h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Islip Long Island Airport to Jacksonville Airport?

    Prices for flights from Islip Long Island Airport to Jacksonville Airport refresh daily.

  • How many operators does momondo search for flights from Islip Long Island Airport to Jacksonville Airport?

  • How old do you have to be to fly from Islip Long Island Airport to Jacksonville Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Jacksonville Airport.

  • What documentation or ID do you need to fly to Jacksonville Airport?

    The travel and health documents you'll need for your trip to Jacksonville Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Jacksonville Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Islip, New York to Jacksonville?

Best airlines flying from Islip, New York to Jacksonville

Compare and see reviews for airlines that fly from Islip, New York to Jacksonville with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $302Free CancellationRating
8.0
4,241 reviews
Search Southwest flights

Traveling to a place near Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Fernandina Beach
Jacksonville Beach
Orange Park
Ponte Vedra Beach
Kingsland
Waycross
Atlantic Beach
Neptune Beach
St Johns
Yulee
Cumberland Island

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Jacksonville?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Jacksonville from Islip.

Can I find flights from Islip to Jacksonville with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Jacksonville from Islip with this policy.

How can momondo help me find flights from Islip to Jacksonville?

momondo helps you find the best flight between Islip and Jacksonville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Islip to Jacksonville right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Islip to Jacksonville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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