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Islip

$618+ Cheap flights from Flint to Islip, NY (FNT - 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — ISP
fev 27 — mar 61
sex 2/27
sex 3/6
1 adult, Economy
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Cheap flight deals from Flint to Islip

One-way flights from Flint to Islip
Search for one-way flight options from Flint to Islip. Find affordable one-way fares based on user searches. Data last updated janeiro 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 2/310:00 am
FNT
-
ISP
3 stops56h 46m
Multiple Airlines
Deal found 1/26$618

Find flight deals from Flint to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Flint (FNT) 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 janeiro 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

March

Cheapest in

July

Average price

$327
Provider with most accurate pricing for Flint Bishop-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Flint Bishop-New York (NYC) flights.
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Flint 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 janeiro 28, 2026.
Use the filters below to find and compare flights from Flint to Islip that are best for you.

Fly from

Flint

Fly to

Islip

Route

Depart

Return

Price

FlintIslip

FNT - ISP

FNTISP

Flint Bishop

ter 2/3

10:00 am-6:46 pm

3 stops56h 46m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Best time to book a flight from Flint to Islip

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

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

Currently, March is the cheapest month in which you can book a flight from Flint to Islip, New York (average of $46). Flying from Flint to Islip, New York in December is currently the most expensive (average of $78). 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.

Related info for your journey

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

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Flint to Islip, New York (average of $46). Flying from Flint to Islip, New York in December is currently the most expensive (average of $78). 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 Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead

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