Cheap Flights from Dallas (DFW) to Marathon (MTH)

Popular airlines from Dallas-Fort Worth Intl. Airport (DFW) to Marathon, FL (MTH-Florida Keys Marathon)

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Flights from Dallas (DFW) to Marathon (MTH)
Origin airport
Dallas-Fort Worth Intl.
Destination airport
Florida Keys Marathon
Distance
1118 mi

Dallas to Marathon Flights

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

 

The best time to book a flight from Dallas to Marathon

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

 

Frequently asked questions

How much does a flight from Dallas-Fort Worth Intl. Airport (DFW) to Marathon, FL (MTH-Florida Keys Marathon) cost?
Secure a cheap one-way flight or cheap return flight from Dallas-Fort Worth Intl. Airport (DFW) 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 deals on this route.
What is the cheapest month to fly from Dallas-Fort Worth Intl. Airport (DFW) to Marathon, FL (MTH-Florida Keys Marathon)?
Traveling in is a good way to save, as it's the cheapest month for flights between DFW and MTH. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Dallas-Fort Worth Intl. Airport (DFW) to Marathon, FL (MTH-Florida Keys Marathon)?
To find the cheapest airline that'll fly you from DFW to MTH, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Dallas-Fort Worth Intl. Airport (DFW) to Marathon, FL (MTH-Florida Keys Marathon)?
You'll have to catch a flight with a layover when traveling from Dallas-Fort Worth Intl. Airport (DFW) to Marathon, FL (MTH-Florida Keys Marathon). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from DFW to MTH?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary 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 Dallas-Fort Worth Intl. Airport (DFW) to Marathon, FL (MTH-Florida Keys Marathon)?
To arrive at Marathon, FL (MTH-Florida Keys Marathon) on schedule, opt for a flight that leaves Dallas-Fort Worth Intl. Airport (DFW) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Dallas-Fort Worth Intl. Airport (DFW) to Marathon, FL (MTH-Florida Keys Marathon) last-minute?
Last-minute bookings from DFW to MTH are usually more expensive. For the cheapest rates, start looking for flights well ahead of time. That said, if your travel plans are flexible, you may score a cheap fare just before your departure.
Can I cancel or change the date of my flight from Dallas-Fort Worth Intl. Airport (DFW) to Marathon, FL (MTH-Florida Keys Marathon)?
It's usually possible to cancel or reschedule your DFW to MTH flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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