Cheap Flights from Destin (DSI) to Marathon (MTH)

Popular airlines from Destin-Fort Walton Beach Airport (DSI) to Marathon, FL (MTH-Florida Keys Marathon)

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Frequently asked questions

How much does a flight from Destin-Fort Walton Beach Airport (DSI) to Marathon, FL (MTH-Florida Keys Marathon) cost?
Secure a cheap one-way flight or cheap return flight from Destin-Fort Walton Beach Airport (DSI) to Marathon, FL (MTH-Florida Keys Marathon) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Destin-Fort Walton Beach Airport (DSI) to Marathon, FL (MTH-Florida Keys Marathon)?
The cheapest month to fly from DSI to MTH is , when there's less demand. Off-peak season is typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Destin-Fort Walton Beach Airport (DSI) to Marathon, FL (MTH-Florida Keys Marathon)?
To find the cheapest airline flying from DSI to MTH, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Destin-Fort Walton Beach Airport (DSI) to Marathon, FL (MTH-Florida Keys Marathon)?
There are no daily nonstop flights departing from Destin-Fort Walton Beach Airport (DSI) to Marathon, FL (MTH-Florida Keys Marathon). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from DSI to MTH?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Destin-Fort Walton Beach Airport (DSI) to Marathon, FL (MTH-Florida Keys Marathon)?
Choose a flight from Destin-Fort Walton Beach Airport (DSI) to Marathon, FL (MTH-Florida Keys Marathon) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time 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 Destin-Fort Walton Beach Airport (DSI) to Marathon, FL (MTH-Florida Keys Marathon) last-minute?
Booking your ticket from DSI to MTH right before your journey is usually more expensive. But if you're flexible with your travel dates and times, you could snag a cheap last-minute fare.
Can I cancel or change the date of my flight from Destin-Fort Walton Beach Airport (DSI) to Marathon, FL (MTH-Florida Keys Marathon)?
In most instances, you're able to cancel or reschedule your DSI to MTH flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want more details, visit our Customer Service portal.

Travel information

Origin airport
Destin-Fort Walton Beach
Destination airport
Florida Keys Marathon
Distance
513 mi

Book with confidence

Destin to Marathon Flights

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

 

The best time to book a flight from Destin to Marathon

Sunday is one of the best days to book for cheap flights from Destin 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 Destin 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 Destin 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 Destin 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 Destin 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.

 

Destin to Marathon Flights

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*Available to One Key members.