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Cheap Flights from Key West International to Cincinnati Northern Kentucky

Compare Key West International 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 Key West International Airport to Cincinnati Northern Kentucky Airport

Looking for a cheap last-minute deal or the best return flight from Key West International Airport to Cincinnati Northern Kentucky Airport? If you want to travel next month, return fares start from $298. Find the lowest prices on one-way and return tickets right here.
Cincinnati.$86 per passenger.Departing Fri, 19 Dec.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 19 Dec, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $86, select.
Cincinnati.$192 per passenger.Departing Fri, 13 Mar.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 13 Mar, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $192, select.
Cincinnati.$212 per passenger.Departing Fri, 23 Jan.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 23 Jan, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $212, select.
Cincinnati.$235 per passenger.Departing Mon, 6 Apr.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Mon, 6 Apr, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $235, select.
Cincinnati.$280 per passenger.Departing Sat, 21 Feb.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Key West International on Sat, 21 Feb, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $280, select.
Cincinnati.$285 per passenger.Departing Fri, 27 Feb.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 27 Feb, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $285, select.
Cincinnati.$346 per passenger.Departing Fri, 29 May.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 29 May, arriving in Cincinnati Northern Kentucky.Price includes taxes and charges.From $346, select.
Map with a flight path from Key West International to Cincinnati Northern Kentucky. A plane icon is halfway along the route with a label that says "Direct flight".
Direct flight

Your route at a glance

Cheapest deal$145
Cheapest monthDecember
Average flight duration2 hours and 44 minutes
Most popular airlineDelta

Find the cheapest month to fly from Key West International to Cincinnati Northern Kentucky

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Key West International to Cincinnati Northern Kentucky flights are currently cheapest in December.
Dec
from $86
Jan
from $212
Feb
from $280
Mar
from $192
Apr
from $235
May
from $346
Jun
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Jul
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Aug
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Sep
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Oct
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Nov
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Direct flights from Key West International to Cincinnati Northern Kentucky

Key West International to Cincinnati Northern Kentucky: Alternative routes

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

Finding cheap flights from Key West International to Cincinnati Northern Kentucky: Frequently asked questions

The best price we found for a return flight from Key West International to Cincinnati Northern Kentucky is $145. 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.
2 hours and 44 minutes is the average flight time from Key West International to Cincinnati Northern Kentucky.
Allegiant Air flies direct from Key West International to Cincinnati Northern Kentucky.
As of December 2025, there are 3 flights per week flying from Key West International to Cincinnati Northern Kentucky.
The cheapest month to fly from Key West International to Cincinnati Northern Kentucky is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Key West International Airport to Cincinnati Northern Kentucky Airport on Friday, 19 December 2025.
Yes – the average flight time is 2 hours and 44 minutes.
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.
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.
Currently, Allegiant Air offers the cheapest flight tickets to Cincinnati Northern Kentucky.

How to find cheap flights to Cincinnati Northern Kentucky from Key West International

Looking for cheap tickets from Key West International to Cincinnati Northern Kentucky? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Key West International to Cincinnati Northern Kentucky. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Cincinnati Northern Kentucky from Key West International from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best Key West International-Cincinnati Northern Kentucky ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Cincinnati Northern Kentucky from Key West International.
  • Set up a Price Alert. You can easily track the fare of your cheap Key West International-Cincinnati Northern Kentucky flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Key West International and Cincinnati Northern Kentucky? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from Key West International and Cincinnati Northern Kentucky. We scour the internet for the best Business, Premium Economy and First Class flight fares to Cincinnati Northern Kentucky, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Key West International to Cincinnati Northern Kentucky flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to Cincinnati Northern Kentucky from Key West International with hotels and car hire

    Once you've secured your cheap flight ticket from Key West International to Cincinnati Northern Kentucky, discover the best prices and exclusive rates for hotels in Cincinnati Northern Kentucky or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


Prices shown on this page are estimated lowest prices only. Found in the last 45 days.