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117 € Cheap Flights from Key West International to Cincinnati Northern Kentucky

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      Travellers and cabin class, 1 Adult, Economy
      Allegiant Air

      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

      Book the best Cincinnati Northern Kentucky fare with no extra fees

      Flight deals from Key West International to Cincinnati Northern Kentucky

      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 154 €. Find the lowest prices on one-way and return tickets right here.
      Cincinnati.117 € per passenger.Departing Wed, 25 Nov, returning Mon, 14 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Wed, 25 Nov, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 14 Dec, arriving in Key West International.Price includes taxes and charges.From 117 €, select.
      Cincinnati.136 € per passenger.Departing Fri, 18 Sep, returning Mon, 28 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 18 Sep, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 28 Sep, arriving in Key West International.Price includes taxes and charges.From 136 €, select.
      Cincinnati.146 € per passenger.Departing Fri, 23 Oct, returning Mon, 9 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 23 Oct, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 9 Nov, arriving in Key West International.Price includes taxes and charges.From 146 €, select.
      Cincinnati.146 € per passenger.Departing Fri, 4 Dec, returning Mon, 14 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 4 Dec, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 14 Dec, arriving in Key West International.Price includes taxes and charges.From 146 €, select.
      Cincinnati.146 € per passenger.Departing Fri, 18 Sep, returning Mon, 5 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 18 Sep, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 5 Oct, arriving in Key West International.Price includes taxes and charges.From 146 €, select.
      Cincinnati.154 € per passenger.Departing Fri, 23 Oct, returning Mon, 26 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 23 Oct, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 26 Oct, arriving in Key West International.Price includes taxes and charges.From 154 €, select.
      Cincinnati.155 € per passenger.Departing Fri, 20 Nov, returning Wed, 25 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 20 Nov, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Wed, 25 Nov, arriving in Key West International.Price includes taxes and charges.From 155 €, select.
      Cincinnati.187 € per passenger.Departing Fri, 23 Apr, returning Mon, 3 May.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 23 Apr, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 3 May, arriving in Key West International.Price includes taxes and charges.From 187 €, select.
      Cincinnati.203 € per passenger.Departing Fri, 22 Jan, returning Mon, 8 Feb.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 22 Jan, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 8 Feb, arriving in Key West International.Price includes taxes and charges.From 203 €, select.
      Cincinnati.209 € per passenger.Departing Fri, 8 Jan, returning Fri, 22 Jan.Return flight with Breeze Airways and Allegiant Air.Outbound indirect flight with Breeze Airways, departs from Key West International on Fri, 8 Jan, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Allegiant Air, departs from Cincinnati Northern Kentucky on Fri, 22 Jan, arriving in Key West International.Price includes taxes and charges.From 209 €, select.
      Cincinnati.210 € per passenger.Departing Wed, 30 Dec, returning Mon, 11 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Wed, 30 Dec, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 11 Jan, arriving in Key West International.Price includes taxes and charges.From 210 €, select.
      Cincinnati.236 € per passenger.Departing Fri, 8 Jan, returning Mon, 11 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 8 Jan, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 11 Jan, arriving in Key West International.Price includes taxes and charges.From 236 €, select.
      Cincinnati.244 € per passenger.Departing Mon, 3 May, returning Fri, 7 May.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Mon, 3 May, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Fri, 7 May, arriving in Key West International.Price includes taxes and charges.From 244 €, select.
      Cincinnati.284 € per passenger.Departing Fri, 19 Feb, returning Mon, 8 Mar.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 19 Feb, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 8 Mar, arriving in Key West International.Price includes taxes and charges.From 284 €, select.
      Cincinnati.313 € per passenger.Departing Fri, 12 Feb, returning Mon, 15 Feb.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Key West International on Fri, 12 Feb, arriving in Cincinnati Northern Kentucky.Inbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 15 Feb, arriving in Key West International.Price includes taxes and charges.From 313 €, select.
      Cincinnati.313 € per passenger.Departing Fri, 12 Feb, returning Fri, 26 Feb.Return flight with Breeze Airways and Allegiant Air.Outbound indirect flight with Breeze Airways, departs from Key West International on Fri, 12 Feb, arriving in Cincinnati Northern Kentucky.Inbound indirect flight with Allegiant Air, departs from Cincinnati Northern Kentucky on Fri, 26 Feb, arriving in Key West International.Price includes taxes and charges.From 313 €, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Key West International to Cincinnati Northern Kentucky found in the last 4 days, and are subject to change and availability.

      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 September.
      Sep
      from 136 €
      Oct
      from 154 €
      Nov
      from 155 €
      Dec
      from 146 €
      Jan
      from 209 €
      Feb
      from 313 €
      Mar
      from 383 €
      Apr
      from 355 €
      May
      from 244 €
      Jun
      from 377 €
      Jul
      Find prices
      Aug
      Find prices

      Direct flights from Key West International to Cincinnati Northern Kentucky

      Allegiant Air

      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.

      Cincinnati Northern Kentucky

      14km from central Cincinnati
      ClosestCheapest
      from 117 €
      Search flights

      Key West to Cincinnati: Flight information

      The things to know before you go.
      Cheapest flight found117 €
      Cheapest month to flyNovember
      Average flight time2 hrs, 46 mins
      Most popular airlineAllegiant Air
      Average flights per week3

      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 117 €. 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 46 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 September 2026, 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 November.
      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 Wednesday, 25 November 2026.
      Yes – the average flight time is 2 hours and 46 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.

      Travelling from Key West International Airport (EYW) to Cincinnati Northern Kentucky Airport (CVG): what you need to know

      • Jump on a direct flight from Key West International Airport to Cincinnati Northern Kentucky Airport and you'll be in the air for an average of 2 hours 40 minutes.

      • Key West and Cincinnati share the UTC-5 timezone. That means there's no time difference to adjust for.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Show up at the airport on time to catch your EYW to CVG flight.

      • Flying during a peak time like April? School holidays and other popular seasons can mean longer lines at check-in and security. Play things extra safe and get there up to four hours ahead of international flights and two hours before a domestic departure.

      • Allegiant Air has direct flights from Key West International Airport to Cincinnati Northern Kentucky Airport. Book with this popular airline, then get ready to tick off the sights in Cincinnati — and maybe even more of the United States if time allows.

      • The majority of passengers choose to travel with Allegiant Air on this route.

      • Among carriers operating EYW to CVG flights, Allegiant Air has the highest rate of on-time arrivals.

      • We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Key West International Airport to Cincinnati Northern Kentucky Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to tour your chosen city. Top stopovers between EYW and CVG include:

        • Atlanta Hartsfield-Jackson Airport

        • Charlotte Douglas Airport

        • Orlando Sanford Airport

      How to find the cheapest flights from Key West International Airport (EYW) to Cincinnati Northern Kentucky Airport (CVG)

      • 58 € is currently the lowest price for a one-way Key West International Airport to Cincinnati Northern Kentucky Airport flight. A return flight starts at 117 €. These fares can change based on demand and availability.

      • It's a good idea to book ahead of time if you're hoping to get cheap tickets from EYW to CVG. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

      • May is the cheapest month for flights from Key West International Airport to Cincinnati Northern Kentucky Airport. If you want to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

      • Snapping up cheap flights from EYW to CVG couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as fares go down.

      • Choose your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Key West International Airport to Cincinnati Northern Kentucky Airport.

      Handy information about Key West International Airport (EYW)

      • EYW is located at 3491 South Roosevelt Boulevard.

      • 75% of flights that depart Key West International Airport reach their destination on schedule.

      • Key West International Airport is about 5 kilometres from central Key West. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 10 minutes or so to arrive, depending on the traffic.

      • Taking public transport? Expect a trip time of around 20 minutes.

      • Taking an early flight from Key West International Airport to Cincinnati Northern Kentucky Airport? Avoid rushing to the airport (and get some extra shut-eye) by choosing one of these stays near EYW:

      Arriving at Cincinnati Northern Kentucky Airport (CVG)

      • Travel at your own pace with a Cincinnati Northern Kentucky Airport rental car. Pick up a set of wheels from Budget, Hertz or Thrifty and see more of Cincinnati and beyond.

      • To lock in the lowest price, book your ride from Cincinnati Northern Kentucky Airport around two weeks before you travel.

      Getting from Cincinnati Northern Kentucky Airport (CVG) to central Cincinnati

      • From Cincinnati Northern Kentucky Airport, Cincinnati is approximately 21 kilometres away. It takes around 25 minutes to reach the centre by car.

      • When travelling on public transport, expect a journey time of roughly 1 hour.

      When to fly to Cincinnati Northern Kentucky Airport (CVG)

      • The quietest month for a flight from Key West International Airport to Cincinnati Northern Kentucky Airport is January, while July is the most popular. Pick the best time to visit Cincinnati based on whether you prefer a faster pace or a more relaxed vibe.

      • The warmest month in Cincinnati is July, with temperatures ranging between 16ºC (61ºF) and 32ºC (90ºF). Lock in your flights from Key West International Airport to Cincinnati Northern Kentucky Airport in this month if you enjoy this type of weather.

      • Search for cheap tickets from EYW to CVG in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -10ºC (14ºF) and 7ºC (45ºF) on average.

      Explore more of the United States

      • Chicago is just one of the many places in the United States waiting to be discovered once you've seen the sights of Cincinnati. Around 402 kilometres away to the north-west, check out popular attractions including Millennium Park, Art Institute of Chicago and Willis Tower.

      • Around 161 kilometres north-east of Cincinnati, Columbus is another favourite stop in the United States. Experience this destination's highlights firsthand at Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.

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