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

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

Flights from Marathon (MTH) to Destin (DSI)
Origin airport
Florida Keys Marathon
Destination airport
Destin-Fort Walton Beach
Distance
513 mi

Marathon to Destin Flights

The cheapest times to fly from Marathon to Destin

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

 

The best time to book a flight from Marathon to Destin

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

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 Marathon to Destin in 2026. 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 Marathon to Destin 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 Marathon to Destin 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.

 

Frequently asked questions

How much does a flight from Marathon, FL (MTH-Florida Keys Marathon) to Destin-Fort Walton Beach Airport (DSI) cost?
Secure a cheap one-way flight or cheap return flight from Marathon, FL (MTH-Florida Keys Marathon) to Destin-Fort Walton Beach Airport (DSI) 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 Marathon, FL (MTH-Florida Keys Marathon) to Destin-Fort Walton Beach Airport (DSI)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between MTH and DSI. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Marathon, FL (MTH-Florida Keys Marathon) to Destin-Fort Walton Beach Airport (DSI)?
To find the cheapest airline that'll fly you from MTH to DSI, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Marathon, FL (MTH-Florida Keys Marathon) to Destin-Fort Walton Beach Airport (DSI)?
Nonstop flights from Marathon, FL (MTH-Florida Keys Marathon) to Destin-Fort Walton Beach Airport (DSI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MTH to DSI?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change depending on the season, airline 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 Marathon, FL (MTH-Florida Keys Marathon) to Destin-Fort Walton Beach Airport (DSI)?
To arrive at Destin-Fort Walton Beach Airport (DSI) without delays, opt for a flight that takes off from Marathon, FL (MTH-Florida Keys Marathon) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Marathon, FL (MTH-Florida Keys Marathon) to Destin-Fort Walton Beach Airport (DSI) last-minute?
Waiting until just before your trip to book a flight from MTH to DSI often results in higher prices. While it's possible to find some last-minute offers, they're not always guaranteed. Be flexible with your itinerary for the best chance of getting a bargain.
Is it cheaper to book a MTH to DSI flight and hotel package?
Compared with arranging flights and hotels separately, booking a MTH to DSI flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the hassle out of planning your trip. Simply secure your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Marathon, FL (MTH-Florida Keys Marathon) to Destin-Fort Walton Beach Airport (DSI)?
In most instances, you're able to cancel or reschedule your MTH to DSI flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want more information, go to our Customer Service portal.

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*Available to One Key members.