Cheap Flights from Dayton (DAY) to Marathon (MTH)

Popular airlines from Dayton Intl. Airport (DAY) to Marathon, FL (MTH-Florida Keys Marathon)

Frequently asked questions

How much does a flight from James M. Cox Dayton Intl. Airport (DAY) to Marathon, FL (MTH-Florida Keys Marathon) cost?
Snag a cheap one-way flight or cheap return flight from James M. Cox Dayton Intl. Airport (DAY) to Marathon, FL (MTH-Florida Keys Marathon) 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 Marathon, FL (MTH-Florida Keys Marathon)?
The cheapest month to fly from DAY to MTH is , when there's less demand. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from James M. Cox Dayton Intl. Airport (DAY) to Marathon, FL (MTH-Florida Keys Marathon)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from DAY to MTH. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from James M. Cox Dayton Intl. Airport (DAY) to Marathon, FL (MTH-Florida Keys Marathon)?
Nonstop flights from James M. Cox Dayton Intl. Airport (DAY) to Marathon, FL (MTH-Florida Keys Marathon) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DAY to MTH?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the season, carrier and other factors.*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 Marathon, FL (MTH-Florida Keys Marathon)?
Select a flight from James M. Cox Dayton Intl. Airport (DAY) to Marathon, FL (MTH-Florida Keys Marathon) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Marathon, FL (MTH-Florida Keys Marathon) last-minute?
Last-minute bookings from DAY to MTH are usually more expensive. For the lowest rates, start looking for flights early. That said, if you're flexible with your travel plans, you may find a cheap fare right before you leave.
Can I cancel or change the date of my flight from James M. Cox Dayton Intl. Airport (DAY) to Marathon, FL (MTH-Florida Keys Marathon)?
In most instances, you can modify or cancel your DAY to MTH flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, go to our Customer Service portal.

Travel information

Origin airport
James M. Cox Dayton Intl.
Destination airport
Florida Keys Marathon
Distance
1064 mi

Book with confidence

Dayton to Marathon Flights

The cheapest times to fly from Dayton to Marathon

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 Marathon are during the month of . You can find some of the cheapest flights from Dayton to Marathon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dayton to Marathon

Sunday is one of the best days to book for cheap flights from Dayton to Marathon: 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 Marathon

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 Marathon in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Marathon 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 Marathon 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 Marathon Flights

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*Available to One Key members.