What is the cheapest airline that flies from Cincinnati Cinci./N. Kentucky to Key West?

Allegiant Air is the most popular carrier operating from Cincinnati Cinci./N. Kentucky to Key West

What is the most punctual flight time for Cincinnati to Key West flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

How often are flights from Cincinnati to Key West delayed?

Historically, on average around 16% of flights between Cincinnati and Key West have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

Which airline has the best punctuality record on Cincinnati to Key West flights?

According to our data, Allegiant Air have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

What airlines fly to Key West?

American Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Key West from Cincinnati according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 4 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

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?

As of December 2025, there are 4 operators available to choose from 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.

$57 Cheap Flights from Cincinnati to Key West in 2025/26

Q: What is the typical price of a round-trip flight between Cincinnati and Key West?

Prices are currently low for flights on this route. Typical prices usually range from $273 to $540. The lowest price recently found on this route was $125.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Cincinnati to Key West

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:20 pm - 4:59 pm

CVG

EYW

2h 39mnonstop

10:29 am - 1:13 pm

EYW

CVG

2h 44mnonstop

$125Allegiant Air

Mon, Dec 29 - Wed, Dec 31

2:20 pm - 4:59 pm

CVG

EYW

2h 39mnonstop

10:29 am - 1:13 pm

EYW

CVG

2h 44mnonstop

$145Allegiant Air

Mon, Dec 29 - Wed, Dec 31

6:00 am - 8:39 am

CVG

EYW

2h 39mnonstop

9:49 am - 12:42 am

EYW

CVG

14h 53m1 stop

$150Multiple Airlines

Sat, Jan 3 - Fri, Jan 9

6:00 am - 8:39 am

CVG

EYW

2h 39mnonstop

10:49 am - 9:50 pm

EYW

CVG

11h 01m1 stop

$162Multiple Airlines

Sat, Jan 3 - Sat, Jan 10

6:00 am - 8:39 am

CVG

EYW

2h 39mnonstop

2:30 pm - 2:17 pm

EYW

CVG

23h 47m1 stop

$169Multiple Airlines

Sat, Jan 3 - Wed, Jan 7

7:00 am - 9:51 am

CVG

EYW

2h 51mnonstop

1:06 pm - 11:26 pm

EYW

CVG

10h 20m1 stop

$173Multiple Airlines

Mon, Jan 26 - Fri, Feb 6

5:01 am - 12:26 pm

CVG

EYW

7h 25m1 stop

1:06 pm - 11:26 pm

EYW

CVG

10h 20m1 stop

$174Multiple Airlines

Mon, Jan 19 - Fri, Jan 23

3:45 pm - 6:24 pm

CVG

EYW

2h 39mnonstop

9:49 am - 12:42 am

EYW

CVG

14h 53m1 stop

$178Multiple Airlines

Mon, Jan 5 - Fri, Jan 9

5:47 pm - 9:09 am

CVG

EYW

15h 22m1 stop

3:46 pm - 1:00 pm

EYW

CVG

21h 14m1 stop

$179Multiple Airlines

Sun, Feb 1 - Thu, Feb 5

6:00 am - 8:39 am

CVG

EYW

2h 39mnonstop

12:51 pm - 4:22 pm

EYW

CVG

27h 31m2 stops

$180Multiple Airlines

Sat, Jan 3 - Sun, Jan 11

Allegiant Air flights from Cincinnati to Key West

Our best Allegiant Air deals on Cincinnati to Key West flight tickets

Allegiant Air

Dec 29

CVG2:20 pmCincinnati Cinci./N. Kentucky

2h 39m

EYW4:59 pmKey West

Dec 31

EYW10:29 amKey West

2h 44m

CVG1:13 pmCincinnati Cinci./N. Kentucky

$125

Find similar

Allegiant Air

Dec 29

CVG2:20 pmCincinnati Cinci./N. Kentucky

2h 39m

EYW4:59 pmKey West

Dec 31

EYW10:29 amKey West

2h 44m

CVG1:13 pmCincinnati Cinci./N. Kentucky

$145

Find similar

Allegiant Air

Dec 22

CVG2:27 pmCincinnati Cinci./N. Kentucky

2h 39m

EYW5:06 pmKey West

Dec 24

EYW11:29 amKey West

2h 44m

CVG2:13 pmCincinnati Cinci./N. Kentucky

$205

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Mon 12/29

2:20 pm-4:59 pm

Nonstop2h 39m

Key West

Wed 12/31

10:29 am-1:13 pm

Nonstop2h 44m

$125

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Mon 12/29

2:20 pm-4:59 pm

Nonstop2h 39m

Key West

Wed 12/31

10:29 am-1:13 pm

Nonstop2h 44m

$145

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Sat 1/3

6:00 am-8:39 am

Nonstop2h 39m

Key West

Fri 1/9

9:49 am-12:42 am

1 stop14h 53m

$150

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Sat 1/3

6:00 am-8:39 am

Nonstop2h 39m

Key West

Sat 1/10

10:49 am-9:50 pm

1 stop11h 01m

$162

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Sat 1/3

6:00 am-8:39 am

Nonstop2h 39m

Key West

Wed 1/7

2:30 pm-2:17 pm

1 stop23h 47m

$169

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Mon 1/26

7:00 am-9:51 am

Nonstop2h 51m

Key West

Fri 2/6

1:06 pm-11:26 pm

1 stop10h 20m

$173

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Mon 1/19

5:01 am-12:26 pm

1 stop7h 25m

Key West

Fri 1/23

1:06 pm-11:26 pm

1 stop10h 20m

$174

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Mon 1/5

3:45 pm-6:24 pm

Nonstop2h 39m

Key West

Fri 1/9

9:49 am-12:42 am

1 stop14h 53m

$178

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Sun 2/1

5:47 pm-9:09 am

1 stop15h 22m

Key West

Thu 2/5

3:46 pm-1:00 pm

1 stop21h 14m

$179

CincinnatiKey West

CVG - EYW

CVGEYW

Cincinnati Cinci./N. Kentucky

Sat 1/3

6:00 am-8:39 am

Nonstop2h 39m

Key West

Sun 1/11

12:51 pm-4:22 pm

2 stops27h 31m

$180

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

What is the typical price of a round-trip flight between Cincinnati and Key West?

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 $200.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $188. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Cincinnati to Key West for around $371.

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 $214. 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 $313 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 $246 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 December 2025, prices for Cincinnati to Key West flights are approximately 16% cheaper 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	$219
Fastest flight time	2h 32m
Direct flights	Tue, 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 $219. The best round-trip flight deal from Cincinnati to Key West found on momondo in the last 72 hours is $254.

The fastest flight from Cincinnati to Key West takes 2h 32m

Direct flights go from Cincinnati to Key West on Tuesday, Saturday and Sunday. The only airline offering direct flights is Allegiant Air.

There is 1 airport in Key West. From Cincinnati there are direct flights to 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 32m.
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?
As of December 2025, there are 4 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Cincinnati to Key West is Airbus A319 (67.50% of total bookings). The next most popular plane models are Airbus A320-100/200 (27.50%), Airbus A320neo (1.25%), and Airbus A321-100/200 (1.25%).
What is the most popular airline from Cincinnati to Key West?
Based on momondo bookings for flights between Cincinnati and Key West, the leading airline is Allegiant Air, making up 55% of the total bookings. Other popular airlines include American Airlines with 31%, Delta with 9%, and United Airlines with 5%.

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 Air	PriceFrom $105	Free Cancellation	Rating 7.2 700 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 8,010 reviews	Search Delta flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 1/15

Thu 1/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Florida

Popular cities in the United States

Flights to New Yorkfrom $45

Flights to Los Angelesfrom $48

Flights to Miamifrom $49

Flights to Chicagofrom $58

Flights to Orlandofrom $40

Flights to San Franciscofrom $58

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $57

Flights to Bostonfrom $51

Flights to Atlantafrom $46

Flights to Dallasfrom $57

Flights to Seattlefrom $58

Fly to other destinations from Cincinnati

Flights from Cincinnati Cinci./N. Kentucky to Savannah/Hilton Head

Flights from Cincinnati Cinci./N. Kentucky to Tampa

Flights from Cincinnati Cinci./N. Kentucky to Melbourne

Flights from Cincinnati Cinci./N. Kentucky to Jacksonville

Flights from Cincinnati Cinci./N. Kentucky to Charleston

Flights from Cincinnati Cinci./N. Kentucky to Orlando

Cheap flights from Cincinnati to Key West from $57

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 1/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Cincinnati to Key West

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Allegiant Air flights from Cincinnati to Key West

Our best Allegiant Air deals on Cincinnati to Key West flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Cincinnati to Key West that are best for you.

See travel insights to Key West from

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

What is the typical price of a round-trip flight between Cincinnati and Key West?

What is the cheapest month to fly to Key West?

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

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

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?

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 December 2025, prices for Cincinnati to Key West flights are approximately 16% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Cincinnati Cinci./N. Kentucky to Key West?

Allegiant Air is the most popular carrier operating from Cincinnati Cinci./N. Kentucky to Key West

What airlines fly to Key West?

How often are flights from Cincinnati to Key West delayed?

Historically, on average around 16% of flights between Cincinnati and Key West have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

What is the most punctual flight time for Cincinnati to Key West flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Cincinnati to Key West flights?

According to our data, Allegiant Air have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

When to book flights from Cincinnati to Key West

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

Fastest flight time

Direct flights

Airports in Key West

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

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

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?

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

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

Traveling to a place near Key West?

Why use momondo?

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

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

How can momondo help me find flights 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?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Florida