$84 Cheap Flights from Islip (ISP) to Cincinnati (CVG)

View $84 flight on Mon, Oct 20, 2025Opens in a new window

Popular airlines from MacArthur Airport (ISP) to Cincinnati-Northern Kentucky Int'l Airport (CVG)

Cheap Flights from Islip to Cincinnati (ISP-CVG)

Prices were available within the past 7 days and start at $84 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Sep 24 - Sun, Sep 28
ISP
Islip
CVG
Cincinnati
$170 Roundtrip, just found
$170
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 24 from Islip to Cincinnati, returning Sun, Sep 28, priced at $170 just found
Frontier Airlines
Thu, Sep 4 - Sun, Sep 7
ISP
Islip
CVG
Cincinnati
$172 Roundtrip, found 1 day ago
$172
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Sep 4 from Islip to Cincinnati, returning Sun, Sep 7, priced at $172 found 1 day ago
Southwest Airlines
Wed, Sep 24 - Sun, Sep 28
ISP
Islip
CVG
Cincinnati
$190 Roundtrip, just found
$190
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Sep 24 from Islip to Cincinnati, returning Sun, Sep 28, priced at $190 just found
Southwest Airlines
Fri, Oct 24 - Mon, Oct 27
ISP
Islip
CVG
Cincinnati
$211 Roundtrip, found 3 days ago
$211
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Fri, Oct 24 from Islip to Cincinnati, returning Mon, Oct 27, priced at $211 found 3 days ago
Frontier Airlines
Sat, Sep 6 - Sat, Sep 13
ISP
Islip
CVG
Cincinnati
$213 Roundtrip, found 6 days ago
$213
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, Sep 6 from Islip to Cincinnati, returning Sat, Sep 13, priced at $213 found 6 days ago
Southwest Airlines
Wed, Sep 24 - Sun, Sep 28
ISP
Islip
CVG
Cincinnati
$225 Roundtrip, just found
$225
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Sep 24 from Islip to Cincinnati, returning Sun, Sep 28, priced at $225 just found
Frontier Airlines
Wed, Sep 3 - Fri, Sep 5
ISP
Islip
CVG
Cincinnati
$234 Roundtrip, found 11 hours ago
$234
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Wed, Sep 3 from Islip to Cincinnati, returning Fri, Sep 5, priced at $234 found 11 hours ago
Frontier Airlines
Fri, Oct 3 - Sun, Oct 5
ISP
Islip
CVG
Cincinnati
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Oct 3 from Islip to Cincinnati, returning Sun, Oct 5, priced at $234 found 1 day ago
Frontier Airlines
Fri, Oct 3 - Sun, Oct 5
ISP
Islip
CVG
Cincinnati
$236 Roundtrip, found 1 day ago
$236
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Oct 3 from Islip to Cincinnati, returning Sun, Oct 5, priced at $236 found 1 day ago
Breeze Airways
Mon, Sep 29 - Tue, Sep 30
ISP
Islip
CVG
Cincinnati
$440 Roundtrip, found 2 days ago
$440
Roundtrip
found 2 days ago
Select Breeze Airways flight, departing Mon, Sep 29 from Islip to Cincinnati, returning Tue, Sep 30, priced at $440 found 2 days ago

Alternative airports near Cincinnati

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cincinnati - Northern Kentucky Intl. CVG. Cheapest option available. Average driving time to city center is 17 minutes. Flights from $459
CVG
Cincinnati - Northern Kentucky Intl.
Cheapest
Average driving time to city center17 min
Flights from $459
Flights from Islip (ISP) to Cincinnati (CVG)
Origin airport
MacArthur
Destination airport
Cincinnati - Northern Kentucky Intl.
Airlines serving
Frontier Airlines, Southwest Airlines
Roundtrip price
$169
Distance
623 mi

Islip to Cincinnati Flights

The cheapest times to fly from Islip to Cincinnati

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Islip to Cincinnati are during the month of September. You can find some of the cheapest flights from Islip to Cincinnati with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islip to Cincinnati

Sunday is one of the best days to book for cheap flights from Islip to Cincinnati: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Islip to Cincinnati

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Islip to Cincinnati in 2025. You can also book with separate airlines for your outbound and return journeys, from $84 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Islip to Cincinnati flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Islip to Cincinnati airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Cincinnati - Northern Kentucky Intl. Airport (CVG) cost?
Snag a cheap one-way flight from $84 or cheap return flight from $170 from MacArthur Airport (ISP) to Cincinnati - Northern Kentucky Intl. Airport (CVG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from MacArthur Airport (ISP) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
The cheapest month to fly from ISP to CVG is September, when demand is low. Off-peak season is often when airlines offer lower prices between these airports.
Which airlines fly direct from MacArthur Airport (ISP) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
There's no direct route from Islip, NY (ISP-MacArthur) to Cincinnati - Northern Kentucky Intl. Airport (CVG). However, you can find other airports that offer nonstop flights. Board your plane at John F. Kennedy Intl. Airport (JFK) and travel straight to Cincinnati without a layover.
What is the cheapest airline that flies from MacArthur Airport (ISP) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ISP to CVG flight.
How many flights per day from MacArthur Airport (ISP) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Nonstop flights from MacArthur Airport (ISP) to Cincinnati - Northern Kentucky Intl. Airport (CVG) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ISP to CVG?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from MacArthur Airport (ISP) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Opt for a flight from MacArthur Airport (ISP) to Cincinnati - Northern Kentucky Intl. Airport (CVG) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Cincinnati - Northern Kentucky Intl. Airport (CVG) last-minute?
Booking your ticket from ISP to CVG shortly before your getaway is generally more expensive. However, if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book an ISP to CVG flight and hotel package?
You'll typically save money by securing an ISP to CVG flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After choosing your preferred accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
In most cases, you can cancel or modify your ISP to CVG flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more information, visit our Customer Service portal.

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*Available to One Key members.