HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key West

$217+ Cheap flights from Dayton to Key West (DAY - EYW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — EYW
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dayton to Key West with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dayton to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$259
(Delta)

One-way from

$217
(Delta)

Popular in

June

Cheapest in

August

Average price

$441
From Dayton to Key West
Search Deals
One-way flight from Dayton to Key West
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Dayton to Key West

Cheapest flights from Dayton to Key West
Explore the most affordable flight options available from Dayton to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:00 amDAY - EYW
1 stop4h 56mDelta
Wed 9/36:20 pmEYW - DAY
1 stop5h 03mDelta
Deal found 7/27$259
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:00 amDAY - EYW
1 stop5h 13mAmerican Airlines
Sat 9/2011:25 amEYW - DAY
2 stops10h 21mAmerican Airlines
Deal found 7/27$264

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dayton 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, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Dayton to Key West that are best for you.

Fly from

Dayton

Fly to

Key West

Route

Depart

Return

Price

DaytonKey West

DAY - EYW

DAYEYW

Dayton

Tue 8/26

6:00 am-10:56 am

1 stop4h 56m

Key West

Wed 9/3

6:20 pm-11:23 pm

1 stop5h 03m

$259

DaytonKey West

DAY - EYW

DAYEYW

Dayton

Wed 9/17

7:00 am-2:00 pm

1 stop7h 00m

Key West

Sat 9/20

11:25 am-9:46 pm

2 stops10h 21m

$264

DaytonKey West

DAY - EYW

DAYEYW

Dayton

Fri 11/28

1:15 pm-7:44 pm

1 stop6h 29m

$217

DaytonKey West

DAY - EYW

DAYEYW

Dayton

Sat 12/13

7:15 am-3:09 pm

1 stop7h 54m

$259

DaytonKey West

DAY - EYW

DAYEYW

Dayton

Fri 11/28

10:24 am-6:27 pm

2 stops8h 03m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Dayton to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Dayton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dayton to Key West

How far ahead should I book a flight from Dayton to Key West?

Use this chart to determine the optimal time to book a round-trip flight from Dayton to Key West. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Dayton to Key West, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Dayton to Key West?

Currently, August is the cheapest month in which you can book a flight from Dayton to Key West (average of $328). Flying from Dayton to Key West in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Dayton to Key West. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Jake,Jan 2024

CVG - ATL

Would have been great but the flight got significantly delayed after we boarded due to a mechanical failure
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Jake,Jan 2024

CVG - ATL

Would have been great but the flight got significantly delayed after we boarded due to a mechanical failure
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Jake,Jan 2024

CVG - ATL

Would have been great but the flight got significantly delayed after we boarded due to a mechanical failure
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Jake,Jan 2024

CVG - ATL

Would have been great but the flight got significantly delayed after we boarded due to a mechanical failure

Related info for your journey

Find useful and relevant information for your journey from Dayton to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Dayton to Key West round-trip?

    According to our current data, Delta ($259), and American Airlines ($264) offers the cheapest pricing from Dayton to Key West. Users have found that Delta is 49% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Dayton to Key West one-way?

    The cheapest airlines for a one-way flight from Dayton to Key West are Delta ($217), United Airlines ($259), and American Airlines ($276).

  • Can I find deals for flights from Dayton to Key West that include hotel bookings?

    Yes. In addition to deals on Dayton to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dayton to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dayton to Key West.

  • Can I find deals for business class flights from Dayton to Key West?

    Yes. Cheapflights offers flight deals from Dayton to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dayton to Key West?

    Currently, August is the cheapest month in which you can book a flight from Dayton to Key West (average of $328). Flying from Dayton to Key West in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dayton to Key West

See prices for flight routes from nearby airports that may be better suited for you.
Cleveland to Orlando flights
Cincinnati to Orlando flights
Detroit to Fort Lauderdale flights
Detroit to Orlando flights
Detroit to Miami flights
Cleveland to Fort Lauderdale flights
Cincinnati to Fort Lauderdale flights
Pittsburgh to Fort Lauderdale flights
Cleveland to Miami flights
Pittsburgh to Orlando flights
Cincinnati to Miami flights
Detroit to Tampa flights
Cincinnati to Tampa flights
Cincinnati to Fort Myers flights
Pittsburgh to Miami flights
Columbus to Orlando flights
Columbus to Fort Lauderdale flights
Akron to Orlando flights
Detroit to West Palm Beach flights
Columbus to Miami flights
Cleveland to Fort Myers flights
Detroit to Fort Myers flights
Cincinnati to Orlando Sanford Intl flights
Cleveland to Tampa flights
Dayton to Orlando flights
Cincinnati to St Petersburg flights
Columbus to Tampa flights
Pittsburgh to Tampa flights
Akron to Fort Lauderdale flights
Pittsburgh to Fort Myers flights
Cleveland to Key West flights
Columbus to Fort Myers flights
Cincinnati to Sarasota flights
Akron to Sarasota flights
Detroit to Key West flights
Cincinnati to Pensacola flights
Dayton to Tampa flights
Cincinnati to Valparaiso flights
Cleveland to West Palm Beach flights
Akron to Miami flights
Akron to Tampa flights
Detroit to Sarasota flights
Cleveland to Daytona Beach flights
Detroit to Jacksonville flights
Cincinnati to Key West flights
Dayton to Sarasota flights
Cleveland to Valparaiso flights
Pittsburgh to Orlando Sanford Intl flights
Columbus to Sarasota flights
Cleveland to Sarasota flights

Top 2 airlines flying from Dayton to Key West

Discover the top 2 airlines that operate flights from Dayton to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$446FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$282Average$549FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.