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Cheap flights from Cincinnati to Key West from $81

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cincinnati to Key West departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Allegiant Air Logo
3:51 pm - 6:25 pmCVG-EYW
2h 34mnonstop
Allegiant Air Logo
3:07 pm - 10:01 pmEYW-CVG
6h 54m1 stop
$184Allegiant Air
Find Deal
Mon, Nov 10 - Fri, Nov 14
Allegiant Air Logo
6:45 am - 9:16 amCVG-EYW
2h 31mnonstop
Allegiant Air Logo
10:51 am - 1:29 pmEYW-CVG
2h 38mnonstop
$230Allegiant Air
Find Deal
Fri, Oct 3 - Mon, Oct 6
Multiple Airlines Logo
6:45 am - 9:16 amCVG-EYW
2h 31mnonstop
Multiple Airlines Logo
8:55 am - 8:36 amEYW-CVG
23h 41m1 stop
$237Multiple Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 6
Allegiant Air Logo
3:51 pm - 6:25 pmCVG-EYW
2h 34mnonstop
Allegiant Air Logo
9:01 am - 8:36 amEYW-CVG
23h 35m2 stops
$243Allegiant Air
Find Deal
Mon, Nov 10 - Fri, Nov 14
Multiple Airlines Logo
6:45 am - 9:16 amCVG-EYW
2h 31mnonstop
Multiple Airlines Logo
11:45 am - 1:39 pmEYW-CVG
25h 54m1 stop
$249Multiple Airlines
Find Deal
Fri, Oct 3 - Tue, Oct 7
Multiple Airlines Logo
6:45 am - 9:16 amCVG-EYW
2h 31mnonstop
Multiple Airlines Logo
9:57 am - 9:59 pmEYW-CVG
12h 02m2 stops
$250Multiple Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 6
Allegiant Air Logo
7:00 am - 9:51 amCVG-EYW
2h 51mnonstop
Allegiant Air Logo
10:41 am - 1:30 pmEYW-CVG
2h 49mnonstop
$255Allegiant Air
Find Deal
Fri, Jan 9 - Mon, Jan 12
American Airlines Logo
6:05 pm - 11:07 pmCVG-EYW
5h 02m1 stop
American Airlines Logo
4:20 pm - 12:19 amEYW-CVG
7h 59m2 stops
$264American Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
American Airlines Logo
5:00 am - 1:26 pmCVG-EYW
8h 26m2 stops
American Airlines Logo
4:20 pm - 12:19 amEYW-CVG
7h 59m2 stops
$269American Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
American Airlines Logo
7:48 am - 5:46 pmCVG-EYW
9h 58m2 stops
American Airlines Logo
2:32 pm - 11:07 pmEYW-CVG
8h 35m1 stop
$279American Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 6

Allegiant Air flights from Cincinnati to Key West

Our best Allegiant Air deals on Cincinnati to Key West flight tickets
Allegiant Air
Nov 10
CVG3:51 pmCincinnati Cinci./N. Kentucky
2h 34m
EYW6:25 pmKey West
Nov 14
EYW3:07 pmKey West
6h 54m
1 stop
CVG10:01 pmCincinnati Cinci./N. Kentucky
$184
Find similar
Allegiant Air
Oct 3
CVG6:45 amCincinnati Cinci./N. Kentucky
2h 31m
EYW9:16 amKey West
Oct 6
EYW10:51 amKey West
2h 38m
CVG1:29 pmCincinnati Cinci./N. Kentucky
$230
Find similar
Allegiant Air
Sep 19
CVG8:45 amCincinnati Cinci./N. Kentucky
2h 34m
EYW11:19 amKey West
Sep 26
EYW12:09 pmKey West
2h 33m
CVG2:42 pmCincinnati Cinci./N. Kentucky
$236
Find similar

American Airlines flights from Cincinnati to Key West

Our best American Airlines deals on Cincinnati to Key West flight tickets
American Airlines
Dec 6
CVG6:05 pmCincinnati Cinci./N. Kentucky
5h 02m
1 stop
EYW11:07 pmKey West
Dec 13
EYW4:20 pmKey West
7h 59m
2 stops
CVG12:19 amCincinnati Cinci./N. Kentucky
$264
Find similar
American Airlines
Dec 6
CVG5:00 amCincinnati Cinci./N. Kentucky
8h 26m
2 stops
EYW1:26 pmKey West
Dec 13
EYW4:20 pmKey West
7h 59m
2 stops
CVG12:19 amCincinnati Cinci./N. Kentucky
$269
Find similar
American Airlines
Oct 3
CVG7:48 amCincinnati Cinci./N. Kentucky
9h 58m
2 stops
EYW5:46 pmKey West
Oct 6
EYW2:32 pmKey West
8h 35m
1 stop
CVG11:07 pmCincinnati Cinci./N. Kentucky
$279
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Cincinnati to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Cincinnati to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Mon 11/10

3:51 pm-6:25 pm

Nonstop2h 34m

Key West

Fri 11/14

3:07 pm-10:01 pm

1 stop6h 54m

$184

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Fri 10/3

6:45 am-9:16 am

Nonstop2h 31m

Key West

Mon 10/6

10:51 am-1:29 pm

Nonstop2h 38m

$230

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Fri 10/3

6:45 am-9:16 am

Nonstop2h 31m

Key West

Mon 10/6

8:55 am-8:36 am

1 stop23h 41m

$237

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Mon 11/10

3:51 pm-6:25 pm

Nonstop2h 34m

Key West

Fri 11/14

9:01 am-8:36 am

2 stops23h 35m

$243

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Fri 10/3

6:45 am-9:16 am

Nonstop2h 31m

Key West

Tue 10/7

11:45 am-1:39 pm

1 stop25h 54m

$249

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Fri 10/3

6:45 am-9:16 am

Nonstop2h 31m

Key West

Mon 10/6

9:57 am-9:59 pm

2 stops12h 02m

$250

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Fri 1/9

7:00 am-9:51 am

Nonstop2h 51m

Key West

Mon 1/12

10:41 am-1:30 pm

Nonstop2h 49m

$255

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Sat 12/6

6:05 pm-11:07 pm

1 stop5h 02m

Key West

Sat 12/13

4:20 pm-12:19 am

2 stops7h 59m

$264

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Sat 12/6

5:00 am-1:26 pm

2 stops8h 26m

Key West

Sat 12/13

4:20 pm-12:19 am

2 stops7h 59m

$269

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Fri 10/3

7:48 am-5:46 pm

2 stops9h 58m

Key West

Mon 10/6

2:32 pm-11:07 pm

1 stop8h 35m

$279

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Key West from

How to get the cheapest flight ticket from Cincinnati to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Key West?

In general, August is the cheapest month to fly from Cincinnati to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $192. If you are unable to visit Key West during the month of August, then departing from Cincinnati during the month September is also very affordable. Most momondo users find prices during this month for around $209.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Cincinnati is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $181. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Cincinnati to Key West for around $365.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the afternoon. momondo users have found flights departing from Cincinnati to Key West in the afternoon for as low as $180. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly at noon, with an average ticket price of $323. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Cincinnati Cinci./N. Kentucky to Key West flight route?

Fly from Cincinnati Cinci./N. Kentucky to Key West for the best Cincinnati Cinci./N. Kentucky - Key West flight prices

How far in advance should I book a flight to Key West?

You are more likely to see cheaper flights to Key West from Cincinnati when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $321 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Cincinnati for as low as $243 on momondo.

What cabin class options are available on Cincinnati Cinci./N. Kentucky to Key West flights?

There is only 1 cabin class available to choose from on Cincinnati Cinci./N. Kentucky to Key West flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Cincinnati to Key West flights?

No. A direct flight is the cheapest option for a flight between Cincinnati to Key West.

How have Cincinnati to Key West flight prices changed over time?

As of September 2025, prices for Cincinnati to Key West flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Cincinnati to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Cincinnati to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Cincinnati to Key West (CVG to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cincinnati to Key West

Best Price Found

$66

Fastest flight time

2h 31m

Direct flights

Tue, Thu, Sat and Sun

Airports in Key West

1 airport
The best one-way flight to Key West from Cincinnati in the past 72 hours is $66. The best round-trip flight deal from Cincinnati to Key West found on momondo in the last 72 hours is $158.
The fastest flight from Cincinnati to Key West takes 2h 31m
Direct flights go from Cincinnati to Key West on Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Key West: Key West (EYW)
Search flight deals

  • How far is Cincinnati Cinci./N. Kentucky to Key West by plane?

    Key West is 1016.7 mi away from Cincinnati Cinci./N. Kentucky. In terms of flight time, this usually takes a little over 2h 31m.

  • When did momondo last update prices for flights from Cincinnati Cinci./N. Kentucky Airport to Key West Airport?

    Prices for flights from Cincinnati Cinci./N. Kentucky Airport to Key West Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Cincinnati Cinci./N. Kentucky Airport to Key West Airport?

  • How old do you have to be to fly from Cincinnati Cinci./N. Kentucky Airport to Key West Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cincinnati Cinci./N. Kentucky Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Cincinnati to Key West?

  • What is the most popular airline from Cincinnati to Key West?

Best airlines flying from Cincinnati to Key West

Compare and see reviews for airlines that fly from Cincinnati to Key West with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $104Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
7,957 reviews
Search Delta flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights

  • Allegiant Air Flights From Cincinnati to Key West

    Allegiant Air operates around 2 flights from Cincinnati to Key West every week. The average price of these flights found in the last 72 hours has been $237, but momondo users have found Allegiant Air deals from Cincinnati to Key West from as low as $104 round-trip. Allegiant Air has been scored 7.2/10 in 699 reviews.

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Cincinnati to Key West?

It is quick and easy to find Cincinnati to Key West flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Key West that suits you.

Can I find flights from Cincinnati to Key West with flexible booking policies on momondo?

momondo does allow users to show only those flights to Key West from Cincinnati which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Cincinnati to Key West?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Cincinnati to Key West.

I’m not ready to book a flight from Cincinnati to Key West right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Key West from Cincinnati. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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