Cheap Flights from St. Petersburg (SPG) to Marathon (MTH)

Popular airlines from St. Petersburg, FL (SPG-Albert Whitted) to Marathon, FL (MTH-Florida Keys Marathon)

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Flights from St. Petersburg (SPG) to Marathon (MTH)
Origin airport
Albert Whitted
Destination airport
Florida Keys Marathon
Distance
231 mi

St. Petersburg to Marathon Flights

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

 

The best time to book a flight from St. Petersburg to Marathon

Sunday is one of the best days to book for cheap flights from St. Petersburg 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 St. Petersburg 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 St. Petersburg 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 St. Petersburg 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 St. Petersburg 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 St. Petersburg, FL (SPG-Albert Whitted) to Marathon, FL (MTH-Florida Keys Marathon) cost?
Discover the latest flight deals from SPG to MTH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SPG to MTH?
The cheapest flights from SPG to MTH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SPG to MTH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SPG to MTH. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from St. Petersburg, FL (SPG-Albert Whitted) to Marathon, FL (MTH-Florida Keys Marathon)?
There aren’t any daily nonstop flights departing from St. Petersburg, FL (SPG-Albert Whitted) to Marathon, FL (MTH-Florida Keys Marathon). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be soaring above the clouds before you know it.
What day of the week has the most flights from SPG to MTH?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from St. Petersburg, FL (SPG-Albert Whitted) to Marathon, FL (MTH-Florida Keys Marathon)?
To touch down at Marathon, FL (MTH-Florida Keys Marathon) without delays, choose a flight that takes off from St. Petersburg, FL (SPG-Albert Whitted) before 3 PM. The likelihood 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 St. Petersburg, FL (SPG-Albert Whitted) to Marathon, FL (MTH-Florida Keys Marathon) last-minute?
Last-minute fares from SPG to MTH are typically more expensive. To lock in the best prices, start searching for flights well in advance. That being said, if you can play around with your travel dates, you may land a cheap fare right before you leave.
Can I cancel or change the date of my flight from St. Petersburg, FL (SPG-Albert Whitted) to Marathon, FL (MTH-Florida Keys Marathon)?
Typically, you’re able to cancel or reschedule your SPG to MTH flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline’s fees and guidelines on flight changes, or if you’d like more information, visit our Customer Service portal.

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*Available to One Key members.