Cheap Flights from Marathon (MTH) to Knoxville (TYS)

Popular airlines from Marathon, FL (MTH-Florida Keys Marathon) to McGhee Tyson Airport (TYS)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Marathon, FL (MTH-Florida Keys Marathon) to McGhee Tyson Airport (TYS) cost?
Get a cheap one-way flight or cheap return flight from Marathon, FL (MTH-Florida Keys Marathon) to McGhee Tyson Airport (TYS) 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 McGhee Tyson Airport (TYS)?
Planning your getaway for is a great way to save, as it's the cheapest month for flights between MTH and TYS. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Marathon, FL (MTH-Florida Keys Marathon) to McGhee Tyson Airport (TYS)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from MTH to TYS. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Marathon, FL (MTH-Florida Keys Marathon) to McGhee Tyson Airport (TYS)?
Nonstop flights from Marathon, FL (MTH-Florida Keys Marathon) to McGhee Tyson Airport (TYS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MTH to TYS?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Marathon, FL (MTH-Florida Keys Marathon) to McGhee Tyson Airport (TYS)?
To land at McGhee Tyson Airport (TYS) without delays, choose a flight that takes off from Marathon, FL (MTH-Florida Keys Marathon) 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 Marathon, FL (MTH-Florida Keys Marathon) to McGhee Tyson Airport (TYS) last-minute?
Holding off until just before your departure to book a flight from MTH to TYS generally means paying more. While you may find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible to boost your chances of scoring a bargain.
Is it cheaper to book a MTH to TYS flight and hotel package?
Compared with arranging flights and hotels separately, booking a MTH to TYS flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the hassle out of travel planning. Just pick your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Marathon, FL (MTH-Florida Keys Marathon) to McGhee Tyson Airport (TYS)?
If you reserved your MTH to TYS flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket 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
Florida Keys Marathon
Destination airport
McGhee Tyson
Distance
785 mi

Book with confidence

Marathon to Knoxville Flights

The cheapest times to fly from Marathon to Knoxville

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

 

The best time to book a flight from Marathon to Knoxville

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

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 Knoxville 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 Knoxville 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 Knoxville 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 Knoxville Flights

Explore a world of travel with Expedia

*Available to One Key members.