Cheap Flights from Austin (AUS) to Marathon (MTH)

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Marathon, FL (MTH-Florida Keys Marathon)

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Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Marathon, FL (MTH-Florida Keys Marathon) cost?
Lock in a cheap one-way flight or cheap return flight from Austin-Bergstrom Intl. Airport (AUS) 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 Austin-Bergstrom Intl. Airport (AUS) to Marathon, FL (MTH-Florida Keys Marathon)?
is the cheapest month to fly from AUS to MTH. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Marathon, FL (MTH-Florida Keys Marathon)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from AUS to MTH. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Marathon, FL (MTH-Florida Keys Marathon)?
There are no daily direct flights available from Austin-Bergstrom Intl. Airport (AUS) to Marathon, FL (MTH-Florida Keys Marathon). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from AUS to MTH?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change based 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 Austin-Bergstrom Intl. Airport (AUS) to Marathon, FL (MTH-Florida Keys Marathon)?
Select a flight from Austin-Bergstrom Intl. Airport (AUS) 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 Austin-Bergstrom Intl. Airport (AUS) to Marathon, FL (MTH-Florida Keys Marathon) last-minute?
Booking your ticket from AUS to MTH shortly before your getaway is usually more expensive. However, 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 Austin-Bergstrom Intl. Airport (AUS) to Marathon, FL (MTH-Florida Keys Marathon)?
If you booked your AUS to MTH flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Florida Keys Marathon
Distance
1085 mi

Book with confidence

Austin to Marathon Flights

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

 

The best time to book a flight from Austin to Marathon

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

 

Austin to Marathon Flights

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*Available to One Key members.