Cheap Flights from Harrisburg (MDT) to Marathon (MTH)

Popular airlines from Harrisburg Intl. Airport (MDT) to Marathon, FL (MTH-Florida Keys Marathon)

Frequently asked questions

How much does a flight from Harrisburg Intl. Airport (MDT) to Marathon, FL (MTH-Florida Keys Marathon) cost?
Snag a cheap one-way flight or cheap return flight from Harrisburg Intl. Airport (MDT) to Marathon, FL (MTH-Florida Keys Marathon) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Harrisburg Intl. Airport (MDT) to Marathon, FL (MTH-Florida Keys Marathon)?
The cheapest month to fly from MDT to MTH is , when demand is low. Off-peak season is generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Harrisburg Intl. Airport (MDT) to Marathon, FL (MTH-Florida Keys Marathon)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from MDT to MTH. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Harrisburg Intl. Airport (MDT) to Marathon, FL (MTH-Florida Keys Marathon)?
Direct flights from Harrisburg Intl. Airport (MDT) to Marathon, FL (MTH-Florida Keys Marathon) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MDT to MTH?
You'll usually 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 Harrisburg Intl. Airport (MDT) to Marathon, FL (MTH-Florida Keys Marathon)?
Opt for a flight from Harrisburg Intl. Airport (MDT) to Marathon, FL (MTH-Florida Keys Marathon) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures 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 Harrisburg Intl. Airport (MDT) to Marathon, FL (MTH-Florida Keys Marathon) last-minute?
Last-minute fares from MDT to MTH are typically more expensive. To secure the lowest rates, start looking for flights ahead of time. That said, if you're flexible with your travel dates, it's possible to score a cheap fare just before your departure.
Can I cancel or change the date of my flight from Harrisburg Intl. Airport (MDT) to Marathon, FL (MTH-Florida Keys Marathon)?
Typically, you can cancel or modify your MDT to MTH flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further details, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Harrisburg Intl.
Destination airport
Florida Keys Marathon
Distance
1097 mi

Book with confidence

Book with confidence

Harrisburg to Marathon Flights

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

 

The best time to book a flight from Harrisburg to Marathon

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

 

Harrisburg to Marathon Flights

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*Available to One Key members.