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Cheap flights from Islip, New York to Jacksonville from $150

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 5/14. 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
11:57 am - 8:38 am
ISP
-
JAX
20h 41m
1 stop
Multiple Airlines Logo
8:17 pm - 11:17 am
JAX
-
ISP
39h 00m
2 stops
$302Multiple Airlines
Wed, May 13 - Mon, May 18
Southwest Logo
4:30 pm - 9:25 pm
ISP
-
JAX
4h 55m
1 stop
Southwest Logo
7:45 am - 11:55 am
JAX
-
ISP
4h 10m
1 stop
$311Southwest
Fri, Apr 24 - Tue, Apr 28
Southwest Logo
4:30 pm - 9:25 pm
ISP
-
JAX
4h 55m
1 stop
Southwest Logo
1:15 pm - 10:10 pm
JAX
-
ISP
8h 55m
2 stops
$316Southwest
Fri, Apr 24 - Tue, Apr 28
Southwest Logo
9:20 am - 2:10 pm
ISP
-
JAX
4h 50m
1 stop
Southwest Logo
7:05 pm - 11:30 pm
JAX
-
ISP
4h 25m
1 stop
$320Southwest
Sat, Apr 11 - Thu, Apr 16
Southwest Logo
6:00 am - 4:55 pm
ISP
-
JAX
10h 55m
2 stops
Southwest Logo
1:15 pm - 10:10 pm
JAX
-
ISP
8h 55m
2 stops
$322Southwest
Fri, Apr 24 - Tue, Apr 28
Multiple Airlines Logo
11:50 am - 9:41 am
ISP
-
JAX
21h 51m
1 stop
Multiple Airlines Logo
8:18 pm - 6:46 pm
JAX
-
ISP
22h 28m
2 stops
$324Multiple Airlines
Sat, Mar 7 - Wed, Mar 11
Southwest Logo
4:40 pm - 9:55 pm
ISP
-
JAX
5h 15m
1 stop
Southwest Logo
6:05 am - 4:30 pm
JAX
-
ISP
10h 25m
2 stops
$325Southwest
Sat, Apr 11 - Thu, Apr 16
Breeze Airways Logo
11:57 am - 8:38 am
ISP
-
JAX
20h 41m
1 stop
Breeze Airways Logo
2:57 pm - 11:16 am
JAX
-
ISP
20h 19m
1 stop
$331Breeze Airways
Wed, May 13 - Mon, May 18
Southwest Logo
9:20 am - 8:05 pm
ISP
-
JAX
10h 45m
2 stops
Southwest Logo
6:05 am - 4:30 pm
JAX
-
ISP
10h 25m
2 stops
$336Southwest
Sat, Apr 11 - Thu, Apr 16
Southwest Logo
6:30 am - 1:40 pm
ISP
-
JAX
7h 10m
1 stop
Southwest Logo
11:50 am - 6:30 pm
JAX
-
ISP
6h 40m
1 stop
$340Southwest
Wed, Apr 15 - Wed, Apr 22

Southwest flights from Islip, New York to Jacksonville

Our best Southwest deals on Islip, New York to Jacksonville flight tickets
Southwest
Apr 24
ISP4:30 pmIslip Long Island
4h 55m
1 stop
JAX9:25 pmJacksonville
Apr 28
JAX7:45 amJacksonville
4h 10m
1 stop
ISP11:55 amIslip Long Island
$311
Southwest
Apr 24
ISP4:30 pmIslip Long Island
4h 55m
1 stop
JAX9:25 pmJacksonville
Apr 28
JAX1:15 pmJacksonville
8h 55m
2 stops
ISP10:10 pmIslip Long Island
$316
Southwest
Apr 11
ISP9:20 amIslip Long Island
4h 50m
1 stop
JAX2:10 pmJacksonville
Apr 16
JAX7:05 pmJacksonville
4h 25m
1 stop
ISP11:30 pmIslip Long Island
$320

Breeze Airways flights from Islip, New York to Jacksonville

Our best Breeze Airways deals on Islip, New York to Jacksonville flight tickets
Breeze Airways
May 13
ISP11:57 amIslip Long Island
20h 41m
1 stop
JAX8:38 amJacksonville
May 18
JAX2:57 pmJacksonville
20h 19m
1 stop
ISP11:16 amIslip Long Island
$331
Breeze Airways
Mar 18
ISP11:50 amIslip Long Island
22h 51m
1 stop
JAX10:41 amJacksonville
Mar 23
JAX6:53 pmJacksonville
40h 17m
2 stops
ISP11:10 amIslip Long Island
$436
Breeze Airways
Feb 28
ISP11:50 amIslip Long Island
22h 51m
1 stop
JAX10:41 amJacksonville
Mar 3
JAX6:08 pmJacksonville
41h 07m
2 stops
ISP11:15 amIslip Long Island
$599

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 February 24, 2026.
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 5/13

11:57 am-8:38 am

1 stop20h 41m

Jacksonville

Mon 5/18

8:17 pm-11:17 am

2 stops39h 00m

$302

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Fri 4/24

4:30 pm-9:25 pm

1 stop4h 55m

Jacksonville

Tue 4/28

7:45 am-11:55 am

1 stop4h 10m

$311

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Fri 4/24

4:30 pm-9:25 pm

1 stop4h 55m

Jacksonville

Tue 4/28

1:15 pm-10:10 pm

2 stops8h 55m

$316

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Sat 4/11

9:20 am-2:10 pm

1 stop4h 50m

Jacksonville

Thu 4/16

7:05 pm-11:30 pm

1 stop4h 25m

$320

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Fri 4/24

6:00 am-4:55 pm

2 stops10h 55m

Jacksonville

Tue 4/28

1:15 pm-10:10 pm

2 stops8h 55m

$322

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Sat 3/7

11:50 am-9:41 am

1 stop21h 51m

Jacksonville

Wed 3/11

8:18 pm-6:46 pm

2 stops22h 28m

$324

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Sat 4/11

4:40 pm-9:55 pm

1 stop5h 15m

Jacksonville

Thu 4/16

6:05 am-4:30 pm

2 stops10h 25m

$325

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Wed 5/13

11:57 am-8:38 am

1 stop20h 41m

Jacksonville

Mon 5/18

2:57 pm-11:16 am

1 stop20h 19m

$331

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Sat 4/11

9:20 am-8:05 pm

2 stops10h 45m

Jacksonville

Thu 4/16

6:05 am-4:30 pm

2 stops10h 25m

$336

IslipJacksonville

ISP - JAX

ISPJAX

Islip Long Island

Wed 4/15

6:30 am-1:40 pm

1 stop7h 10m

Jacksonville

Wed 4/22

11:50 am-6:30 pm

1 stop6h 40m

$340

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 November, then departing from Islip, New York during the month July is also very affordable. Most momondo users find prices during this month for around $307.

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 $264. 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 $330.

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

Flying to Jacksonville from Islip, New York in the morning is the least expensive time of day to depart. momondo users have found prices as low as $287 when looking at flights departing in the morning. Flights to Jacksonville are more costly in the evening, with an average ticket price of $311. 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

Fastest flight time

4h 20m

Direct flights

None
The fastest flight from Islip, New York to Jacksonville takes 4h 20m
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 $280Free CancellationRating
8.0
4,300 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
Kingsland
Ponte Vedra Beach
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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