Cheap Flights from Islip to Cincinnati Northern Kentucky

Compare Islip to Cincinnati Northern Kentucky flight deals

Find the cheapest month or even day of the year to fly to Cincinnati Northern Kentucky

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Flight deals from Islip to Cincinnati Northern Kentucky

Looking for a cheap last-minute deal or the best return flight from Islip Airport to Cincinnati Northern Kentucky Airport? If you want to travel next month, return fares start from $468. Find the lowest prices on one-way and return tickets right here.

Cincinnati.$341 per passenger.Departing Tue, 15 Sep, returning Sat, 19 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Islip on Tue, 15 Sep, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Southwest Airlines, departs from Cincinnati Northern Kentucky on Sat, 19 Sep, arriving in Islip.Price includes taxes and charges.From $341, select.

Cincinnati.$468 per passenger.Departing Sat, 8 Aug, returning Fri, 14 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Islip on Sat, 8 Aug, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Frontier Airlines, departs from Cincinnati Northern Kentucky on Fri, 14 Aug, arriving in Islip.Price includes taxes and charges.From $468, select.

Cincinnati.$515 per passenger.Departing Fri, 6 Nov, returning Sun, 8 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Islip on Fri, 6 Nov, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Southwest Airlines, departs from Cincinnati Northern Kentucky on Sun, 8 Nov, arriving in Islip.Price includes taxes and charges.From $515, select.

Cincinnati.$677 per passenger.Departing Tue, 28 Jul, returning Fri, 31 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Islip on Tue, 28 Jul, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Southwest Airlines, departs from Cincinnati Northern Kentucky on Fri, 31 Jul, arriving in Islip.Price includes taxes and charges.From $677, select.

Find the cheapest month to fly from Islip to Cincinnati Northern Kentucky

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

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Islip to Cincinnati Northern Kentucky: Alternative routes

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

Cincinnati Northern Kentucky

14km from central Cincinnati

ClosestCheapest

from $341

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Islip to Cincinnati: Flight information

The things to know before you go.

Cheapest flight found	$341
Cheapest month to fly	September

Finding cheap flights from Islip to Cincinnati Northern Kentucky: Frequently asked questions

How much are return flights from Islip to Cincinnati Northern Kentucky?

The best price we found for a return flight from Islip to Cincinnati Northern Kentucky is $341. 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.

Which airlines fly direct from Islip to Cincinnati Northern Kentucky?

Currently, there are no airlines that fly direct from Islip to Cincinnati Northern Kentucky. But we found flights with one or more stops from $341.

How many flights are there a week from Islip to Cincinnati Northern Kentucky?

As of July 2026, there are no flights flying from Islip to Cincinnati Northern Kentucky.

When is the cheapest time to fly from Islip to Cincinnati Northern Kentucky?

The cheapest month to fly from Islip to Cincinnati Northern Kentucky is usually September.

Which upcoming date is cheapest to fly from Islip Airport to Cincinnati Northern Kentucky Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Islip Airport to Cincinnati Northern Kentucky Airport on Tuesday, 15 September 2026.

Can I get a direct flight from Islip Airport to Cincinnati Northern Kentucky Airport?

No airlines currently offer direct flights between Islip Airport and Cincinnati Northern Kentucky Airport. Most routes have one or more stops.

How can I find the best flight deal to Cincinnati Northern Kentucky?

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 Cincinnati Northern Kentucky 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.

When is the best time to book flights to Cincinnati?

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

Which is the cheapest airline to fly from Islip Airport to Cincinnati Northern Kentucky with?

Currently, Southwest Airlines offers the cheapest flight tickets to Cincinnati Northern Kentucky.

Travelling from Islip Airport (ISP) to Cincinnati Northern Kentucky Airport (CVG): what you need to know

Islip and Cincinnati share the same timezone, UTC-5.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport with enough time to board your ISP to CVG flight.
Travelling during a peak time like July? School holidays and other high seasons can lead to longer queues and delays at security. Play it safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.
We make it easy to book a flight with a stopover. To see your options for tickets from Islip Airport to Cincinnati Northern Kentucky Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to explore your chosen city. Worthwhile stopovers between ISP and CVG include:
- Atlanta Hartsfield-Jackson Airport
- Charleston Airport
- Myrtle Beach International Airport

How to find the cheapest flights from Islip Airport (ISP) to Cincinnati Northern Kentucky Airport (CVG)

Currently, $215 is the lowest price we've found for a one-way Islip Airport to Cincinnati Northern Kentucky Airport flight. The best price for a return ticket is $341. Keep in mind that fares could change due to availability at the time of booking.
Don't leave things to the last minute. You're more likely to find cheap tickets from ISP to CVG if you book early. Airlines often offer some great early bird deals.
If you're flexible with your trip dates, use the 'Whole month' search tool. It'll give you the cheapest price across each month when looking for your flight from Islip Airport to Cincinnati Northern Kentucky Airport.
You don't need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll update you the moment there's a change in price on cheap flights from ISP to CVG.
Secure the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Islip Airport to Cincinnati Northern Kentucky Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about Islip Airport (ISP)

ISP is located at 100 Arrivals Avenue.
Of all flights leaving Islip Airport, 76% land on time at their destination.
Islip Airport is around 6 kilometres from central Islip. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 10 minutes or so to arrive, depending on the traffic.
The journey when using public transport takes about 30 minutes.
Searching for a handy hotel close to ISP? If you're boarding an early flight from Islip Airport to Cincinnati Northern Kentucky Airport, these stays will have you moments from your departure lounge:

Arriving at Cincinnati Northern Kentucky Airport (CVG)

Travel at your own pace with a Cincinnati Northern Kentucky Airport rental car. Pick up your wheels from Budget, Hertz or Thrifty and venture far and wide through Cincinnati and beyond.
Reserving your vehicle from Cincinnati Northern Kentucky Airport around two weeks ahead can help you get the lowest rate.

When to fly to Cincinnati Northern Kentucky Airport (CVG)

The quietest month for a flight from Islip Airport to Cincinnati Northern Kentucky Airport is January, while July is the busiest. Pick the ideal time to go to Cincinnati based on whether you prefer a more relaxed vibe or a faster pace.
Book your flight from Islip Airport to Cincinnati Northern Kentucky Airport for July if you want to go to Cincinnati during its warmest month. Expect temperatures of between 16ºC and 32ºC.
January sees average temperatures of between -10ºC and 7ºC. Search for cheap tickets from ISP to CVG sometime then if you like travelling in cooler conditions.

Explore more of the United States

Chicago is just one of the many cities in the United States waiting to be discovered once you've seen Cincinnati. Around 402 kilometres away to the north-west, its top attractions include Millennium Park, Art Institute of Chicago and Willis Tower.
Columbus is another standout destination in the United States and is around 161 kilometres north-east of Cincinnati. No journey is complete without visiting Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.