$230 Cheap Flights from Dayton (DAY) to Key West (EYW)

View $230 flight on Mon, Nov 24, 2025Opens in a new window

Popular airlines from Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW)

Cheap Flights from Dayton to Key West (DAY-EYW)

Prices were available within the past 7 days and start at $230 for one-way flights and $283 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 10 - Sat, Dec 13
DAY
Dayton
EYW
Key West
$283 Roundtrip, just found
$283
Roundtrip
just found
Select American Airlines flight, departing Wed, Dec 10 from Dayton to Key West, returning Sat, Dec 13, priced at $283 just found
American Airlines
Thu, Feb 19 - Wed, Feb 25
DAY
Dayton
EYW
Key West
$288 Roundtrip, found 1 day ago
$288
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Feb 19 from Dayton to Key West, returning Wed, Feb 25, priced at $288 found 1 day ago
Delta
Wed, Mar 11 - Wed, Mar 18
DAY
Dayton
EYW
Key West
$301 Roundtrip, just found
$301
Roundtrip
just found
Select Delta flight, departing Wed, Mar 11 from Dayton to Key West, returning Wed, Mar 18, priced at $301 just found
American Airlines
Thu, Feb 19 - Wed, Feb 25
DAY
Dayton
EYW
Key West
$306 Roundtrip, found 1 day ago
$306
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Feb 19 from Dayton to Key West, returning Wed, Feb 25, priced at $306 found 1 day ago
American Airlines
Wed, Dec 10 - Sat, Dec 13
DAY
Dayton
EYW
Key West
$316 Roundtrip, just found
$316
Roundtrip
just found
Select American Airlines flight, departing Wed, Dec 10 from Dayton to Key West, returning Sat, Dec 13, priced at $316 just found
American Airlines
Wed, Dec 10 - Sat, Dec 13
DAY
Dayton
EYW
Key West
$321 Roundtrip, just found
$321
Roundtrip
just found
Select American Airlines flight, departing Wed, Dec 10 from Dayton to Key West, returning Sat, Dec 13, priced at $321 just found
American Airlines
Fri, Feb 20 - Tue, Feb 24
DAY
Dayton
EYW
Key West
$326 Roundtrip, found 2 days ago
$326
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Feb 20 from Dayton to Key West, returning Tue, Feb 24, priced at $326 found 2 days ago
Delta
Thu, Jan 1 - Wed, Jan 7
DAY
Dayton
EYW
Key West
$331 Roundtrip, found 8 hours ago
$331
Roundtrip
found 8 hours ago
Select Delta flight, departing Thu, Jan 1 from Dayton to Key West, returning Wed, Jan 7, priced at $331 found 8 hours ago
Delta
Tue, Oct 14 - Tue, Oct 21
DAY
Dayton
EYW
Key West
$334 Roundtrip, found 8 hours ago
$334
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Oct 14 from Dayton to Key West, returning Tue, Oct 21, priced at $334 found 8 hours ago
United
Mon, Feb 2 - Thu, Feb 19
DAY
Dayton
EYW
Key West
$339 Roundtrip, just found
$339
Roundtrip
just found
Select United flight, departing Mon, Feb 2 from Dayton to Key West, returning Thu, Feb 19, priced at $339 just found

Find the cheapest month to fly from Dayton (DAY) to Key West (EYW)

August is typically the cheapest month to fly

From $258 - $537 per traveler.

Alternative airports near Key West

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Key West Intl. EYW. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $316
EYW
Key West Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $316

Frequently asked questions

How much does a flight from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW) cost?
Get a cheap one-way flight from $230 or cheap return flight from $283 from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW)?
December is the cheapest month to fly from DAY to EYW. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from DAY to EYW. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW)?
You'll have to hop on a flight with a layover if you're traveling from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from DAY to EYW?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW)?
Select a flight from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW) last-minute?
Booking your plane ticket from DAY to EYW right before your trip is usually more expensive. But if there's some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a DAY to EYW flight and hotel package?
Compared with arranging hotels and flights separately, booking a DAY to EYW flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from James M. Cox Dayton Intl. Airport (DAY) to Key West Intl. Airport (EYW)?
If you booked your DAY to EYW flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
James M. Cox Dayton Intl.
Destination airport
Key West Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$282
Distance
1069 mi

Book with confidence

Book with confidence

Dayton to Key West Flights

The cheapest times to fly from Dayton to Key West

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dayton to Key West are during the month of December. You can find some of the cheapest flights from Dayton to Key West with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dayton to Key West

Sunday is one of the best days to book for cheap flights from Dayton to Key West: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dayton to Key West

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dayton to Key West in 2025. You can also book with separate airlines for your outbound and return journeys, from $230 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dayton to Key West flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dayton to Key West airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Dayton to Key West Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.