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

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

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Frequently asked questions

How much does a flight from Marathon, FL (MTH-Florida Keys Marathon) to Dallas-Fort Worth Intl. Airport (DFW) cost?
Get a cheap one-way flight or cheap return flight from Marathon, FL (MTH-Florida Keys Marathon) to Dallas-Fort Worth Intl. Airport (DFW) 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 Marathon, FL (MTH-Florida Keys Marathon) to Dallas-Fort Worth Intl. Airport (DFW)?
The cheapest month to fly from MTH to DFW is , when demand is low. Off-peak months are generally when airlines offer better prices between these airports.
Which airlines fly direct from Marathon, FL (MTH-Florida Keys Marathon) to Dallas-Fort Worth Intl. Airport (DFW)?
There's no direct route from Marathon, FL (MTH-Florida Keys Marathon) to Dallas-Fort Worth Intl. Airport (DFW). However, you'll find other airports that have nonstop flights. Begin your journey at Key West Intl. Airport (EYW) and head straight to Dallas without layovers.
What is the cheapest airline that flies from Marathon, FL (MTH-Florida Keys Marathon) to Dallas-Fort Worth Intl. Airport (DFW)?
To find the cheapest airline flying from MTH to DFW, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Marathon, FL (MTH-Florida Keys Marathon) to Dallas-Fort Worth Intl. Airport (DFW)?
There aren't any daily nonstop flights departing from Marathon, FL (MTH-Florida Keys Marathon) to Dallas-Fort Worth Intl. Airport (DFW). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from MTH to DFW?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, 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 Marathon, FL (MTH-Florida Keys Marathon) to Dallas-Fort Worth Intl. Airport (DFW)?
Book a flight from Marathon, FL (MTH-Florida Keys Marathon) to Dallas-Fort Worth Intl. Airport (DFW) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**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 Dallas-Fort Worth Intl. Airport (DFW) last-minute?
Booking your ticket from MTH to DFW shortly before your trip is typically more expensive. But if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a MTH to DFW flight and hotel package?
You can save money by securing a MTH to DFW flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Marathon, FL (MTH-Florida Keys Marathon) to Dallas-Fort Worth Intl. Airport (DFW)?
Typically, it's possible to reschedule or cancel your MTH to DFW flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Florida Keys Marathon
Destination airport
Dallas-Fort Worth Intl.
Distance
1118 mi

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Marathon to Dallas Flights

The cheapest times to fly from Marathon to Dallas

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

 

The best time to book a flight from Marathon to Dallas

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

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 Dallas 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 Dallas 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 Dallas 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.

 

Marathon to Dallas Flights

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