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Cheap Flights from Cincinnati Northern Kentucky to Key West International

Compare Cincinnati Northern Kentucky to Key West International flight deals

Find the cheapest month or even day of the year to fly to Key West International

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Flight deals from Cincinnati Northern Kentucky to Key West International

Looking for a cheap last-minute deal or the best return flight from Cincinnati Northern Kentucky Airport to Key West International Airport? If you want to travel next month, return fares start from R 1,575. Find the lowest prices on one-way and return tickets right here.
Key West.R 786 per passenger.Departing Mon, 31 Aug.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 31 Aug, arriving in Key West International.Price includes taxes and charges.From R 786, select.
Key West.R 1,116 per passenger.Departing Mon, 28 Sep.One-way flight with Allegiant Air.Outbound 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 R 1,116, select.
Key West.R 1,116 per passenger.Departing Mon, 16 Nov.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 16 Nov, arriving in Key West International.Price includes taxes and charges.From R 1,116, select.
Key West.R 1,231 per passenger.Departing Fri, 31 Jul.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Fri, 31 Jul, arriving in Key West International.Price includes taxes and charges.From R 1,231, select.
Key West.R 1,276 per passenger.Departing Mon, 14 Dec.One-way flight with Allegiant Air.Outbound 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 R 1,276, select.
Key West.R 1,477 per passenger.Departing Mon, 18 Jan.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 18 Jan, arriving in Key West International.Price includes taxes and charges.From R 1,477, select.
Key West.R 1,477 per passenger.Departing Mon, 12 Oct.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Cincinnati Northern Kentucky on Mon, 12 Oct, arriving in Key West International.Price includes taxes and charges.From R 1,477, select.
Key West.R 4,961 per passenger.Departing Mon, 15 Mar.One-way flight with United.Outbound indirect flight with United, departs from Cincinnati Northern Kentucky on Mon, 15 Mar, arriving in Key West International.Price includes taxes and charges.From R 4,961, select.
Key West.R 4,977 per passenger.Departing Thu, 13 May.One-way flight with United.Outbound indirect flight with United, departs from Cincinnati Northern Kentucky on Thu, 13 May, arriving in Key West International.Price includes taxes and charges.From R 4,977, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cincinnati Northern Kentucky to Key West International flights are currently cheapest in August.
Jul
from R 1,231
Aug
from R 786
Sep
from R 1,116
Oct
from R 1,477
Nov
from R 1,116
Dec
from R 1,276
Jan
from R 1,477
Feb
Find prices
Mar
from R 4,961
Apr
Find prices
May
from R 4,977
Jun
Find prices

Direct flights from Cincinnati Northern Kentucky to Key West International

Cincinnati Northern Kentucky to Key West International: Alternative routes

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

Key West International

5km from central Key West
ClosestCheapest
from R 786
Search flights

Cincinnati to Key West: Flight information

The things to know before you go.
Cheapest flight foundR 786
Cheapest month to flyAugust
Average flight time2 hrs, 37 mins
Most popular airlineAllegiant Air
Average flights per week3

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

The best price we found for a return flight from Cincinnati Northern Kentucky to Key West International is R 1,575. 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 37 minutes is the average flight time from Cincinnati Northern Kentucky to Key West International.
Allegiant Air flies direct from Cincinnati Northern Kentucky to Key West International.
As of July 2026, there are 3 flights per week flying from Cincinnati Northern Kentucky to Key West International.
The cheapest month to fly from Cincinnati Northern Kentucky to Key West International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cincinnati Northern Kentucky Airport to Key West International Airport on Monday, 24 August 2026.
Yes – the average flight time is 2 hours and 37 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 Key West International 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 Key West 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 Key West International.

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

  • Around 2 hours 35 minutes is how long you'll be travelling on a direct flight from Cincinnati Northern Kentucky Airport to Key West International Airport.

  • To ensure you catch your CVG to EYW flight, allow plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and an hour before domestic flights is the standard rule.

  • During popular months such as July, it's best to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during a peak period in general.

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

  • Allegiant Air has the highest passenger demand on this route.

  • Allegiant Air is the most punctual carrier that offers CVG to EYW flights, with 65.71% of its services arriving as planned.

  • Think about adding a stopover when booking your ticket from Cincinnati Northern Kentucky Airport to Key West International Airport. Simply uncheck 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here's where you can stop between CVG and EYW:

    • Atlanta Hartsfield-Jackson Airport

    • Charlotte Douglas Airport

    • Orlando International Airport

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

  • R 786 is currently the best price for a one-way Cincinnati Northern Kentucky Airport to Key West International Airport flight. A return flight starts at R 1,575. These prices can change based on demand and availability.

  • Score cheap tickets from CVG to EYW by booking five months ahead. According to our research, that's the sweet spot for finding the biggest deals.

  • The cheapest month for flights from Cincinnati Northern Kentucky Airport to Key West International Airport is October. Use the 'Whole month' tool to see the lowest prices if you have a flexible travel schedule.

  • Save time searching for cheap flights from CVG to EYW by setting up a Price Alert. You'll receive an email or notification through the app when a lower fare becomes available.

  • Secure the ideal flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Cincinnati Northern Kentucky Airport to Key West International Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and journey duration.

Handy information about Cincinnati Northern Kentucky Airport (CVG)

  • 76% of flights that take off from Cincinnati Northern Kentucky Airport reach their destination on schedule.

  • Cincinnati Northern Kentucky Airport is around 21 kilometres from central Cincinnati. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 25 minutes or so to arrive, depending on the traffic.

  • The journey on public transport will take about 1 hour.

Arriving at Key West International Airport (EYW)

  • If you're arriving on a late Cincinnati Northern Kentucky Airport to Key West International Airport flight, nothing beats the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and relaxing not long after at one of these hotels near EYW:

  • Pick up a Key West International Airport rental car and explore Key West and beyond with your own wheels. Dollar, Alamo and Budget are popular providers you can book with here.

  • Lock in the best possible rate by reserving your ride from Key West International Airport about two weeks before your travel date.

When to fly to Key West International Airport (EYW)

  • It's time to pick your dates for your flight from Cincinnati Northern Kentucky Airport to Key West International Airport. April is the most popular month to visit Key West. If you prefer a more laid-back vibe, go in September.

  • Lock in your flight from Cincinnati Northern Kentucky Airport to Key West International Airport for August if you want to go to Key West during its warmest month. Expect temperatures of between 26ºC (79ºF) and 30ºC (86ºF).

  • If you want cooler conditions, search for a cheap ticket from CVG to EYW in January. Average temperatures are between 18ºC (64ºF) and 23ºC (73ºF) then.

Explore more of the United States

  • You've seen Key West, now it's time to discover other parts of the United States. Journey around 209 kilometres north-east to Miami to tick off its leading sights. From Beach to Ocean Drive and Port of Miami, you'll have a full itinerary ahead.

  • If you're eager to discover another major destination in the United States, head for Tampa, roughly 386 kilometres north of Key West. Busch Gardens Tampa, The Florida Aquarium and ZooTampa at Lowry Park are among its highlights.

Plan the rest of your trip from Cincinnati to Key West

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