Cheap Flights from Islip to Jacksonville International

Compare Islip to Jacksonville International flight deals

Find the cheapest month or even day of the year to fly to Jacksonville International

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Flight deals from Islip to Jacksonville International

Looking for a cheap last-minute deal or the best return flight from Islip Airport to Jacksonville International Airport? If you want to travel next month, return fares start from R 4,367. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Islip to Jacksonville International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Islip to Jacksonville International flights are currently cheapest in July.

Islip to Jacksonville International: Alternative routes

Compare routes from Islip to Jacksonville below. You may find an airport to fly into that's cheaper, faster, or easier than Jacksonville International.

Islip to Jacksonville: Flight information

The things to know before you go.
Cheapest flight foundR 1,847
Cheapest month to flyJuly

Finding cheap flights from Islip to Jacksonville International: Frequently asked questions

The best price we found for a return flight from Islip to Jacksonville International is R 4,367. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Islip to Jacksonville International. But we found flights with one or more stops from R 4,367.
As of June 2026, there are no flights flying from Islip to Jacksonville International.
The cheapest month to fly from Islip to Jacksonville International is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Islip Airport to Jacksonville International Airport on Tuesday, 21 July 2026.
No airlines currently offer direct flights between Islip Airport and Jacksonville International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Jacksonville International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Jacksonville is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Breeze Airways offers the cheapest flight tickets to Jacksonville International.

Flying from Islip Airport (ISP) to Jacksonville International Airport (JAX): what you need to know

  • Islip and Jacksonville are in the UTC-5 timezone. This means you won't have to change your watch when you arrive.

  • Leave enough time to make your ISP to JAX flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You can expect bigger queues during popular months like July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from Islip Airport to Jacksonville International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to explore your chosen city. Worthwhile stopovers between ISP and JAX include:

    • Atlanta Hartsfield-Jackson Airport

    • Baltimore Washington International Airport

    • Norfolk International Airport

How to find the cheapest flights from Islip Airport (ISP) to Jacksonville International Airport (JAX)

  • The lowest price we've seen for a one-way Islip Airport to Jacksonville International Airport flight is R 1,847. A round-trip plane ticket is currently R 4,367. Depending on the availability when you book, these fares may change.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from ISP to JAX if you book ahead. Airlines often offer some amazing early bird discounts.

  • Getting cheap flights from Islip Airport to Jacksonville International Airport is easy if you can be flexible with your trip dates. Use the 'Whole month' search tool to see the lowest fares across the month and score a great deal.

  • There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll let you know the moment there's a better deal on cheap flights from ISP to JAX.

  • Tailor your flights using filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Islip Airport to Jacksonville International Airport.

Handy information about Islip Airport (ISP)

  • ISP's address is 100 Arrivals Avenue.

  • 76% of flights that take off from Islip Airport make it to their destination on schedule.

  • Central Islip to Islip Airport is around 6 kilometres. Depending on traffic, it'll take you about 10 minutes to get there if you're catching a taxi, ride-sharing or driving.

  • Planning to take public transport? Expect a trip time of around 30 minutes.

  • Get your break off to a hassle-free start by staying near ISP. Whether you've booked an early flight from Islip Airport to Jacksonville International Airport or just don't like being rushed, these stays are the answer:

Arriving at Jacksonville International Airport (JAX)

When to fly to Jacksonville International Airport (JAX)

  • July is the most popular month for flights from Islip Airport to Jacksonville International Airport. To escape the crowds, head to Jacksonville in March.

  • When reserving your flight from Islip Airport to Jacksonville International Airport, think about the type of weather you like. July is the warmest month in Jacksonville, with temperatures ranging from 23ºC (73ºF) to 34ºC (93ºF).

  • January sees average temperatures of between 5ºC (41ºF) and 21ºC (70ºF). Search for cheap tickets from ISP to JAX around that time if you like cooler conditions.

Explore more of the United States

  • Jacksonville is always a good idea, but there are so many other corners of the United States you'll want to see. Around 467 kilometres north-west of Jacksonville, a visit to Atlanta will keep you on the go. Start with popular sights like Georgia Aquarium, Birth Home of Martin Luther King, Jr and Fox Theatre.

  • Around 274 kilometres south of Jacksonville, Tampa is another favourite stop in the United States. Get a taste of what this destination has to offer at Busch Gardens Tampa, The Florida Aquarium and ZooTampa at Lowry Park.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.