Cheap Flights from St. Petersburg (PIE) to Carbondale (MDH)

Popular airlines from St. Petersburg-Clearwater Intl. Airport (PIE) to Carbondale, IL (MDH-Southern Illinois)

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Flights from St. Petersburg (PIE) to Carbondale (MDH)
Origin airport
St. Petersburg-Clearwater Intl.
Destination airport
Southern Illinois
Distance
780 mi

St. Petersburg to Carbondale Flights

The cheapest times to fly from St. Petersburg to Carbondale

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

 

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

Sunday is one of the best days to book for cheap flights from St. Petersburg to Carbondale: 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 Carbondale

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 Carbondale 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 Carbondale 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 Carbondale 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-Clearwater Intl. Airport (PIE) to Carbondale, IL (MDH-Southern Illinois) cost?
Get a cheap one-way flight or cheap return flight from St. Petersburg-Clearwater Intl. Airport (PIE) to Carbondale, IL (MDH-Southern Illinois) 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 St. Petersburg-Clearwater Intl. Airport (PIE) to Carbondale, IL (MDH-Southern Illinois)?
Planning your getaway for can help you save, as it's the cheapest month for flights between PIE and MDH. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from St. Petersburg-Clearwater Intl. Airport (PIE) to Carbondale, IL (MDH-Southern Illinois)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PIE to MDH flight.
How many flights per day from St. Petersburg-Clearwater Intl. Airport (PIE) to Carbondale, IL (MDH-Southern Illinois)?
You'll have to catch a flight with a layover if you're traveling from St. Petersburg-Clearwater Intl. Airport (PIE) to Carbondale, IL (MDH-Southern Illinois). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from PIE to MDH?
Generally you'll find the greatest selection of flight options 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 St. Petersburg-Clearwater Intl. Airport (PIE) to Carbondale, IL (MDH-Southern Illinois)?
To avoid possible delays on the St. Petersburg-Clearwater Intl. Airport (PIE) to Carbondale, IL (MDH-Southern Illinois) route, travel before 3 PM. Departures after this time are 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.
What airports do you fly into for Murphysboro from St. Petersburg-Clearwater Intl. Airport (PIE)?
MidAmerica-St. Louis Airport (BLV) is the only airport in Murphysboro with direct flights from St. Petersburg-Clearwater Intl. Airport (PIE). Explore the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from St. Petersburg-Clearwater Intl. Airport (PIE) to Carbondale, IL (MDH-Southern Illinois) last-minute?
Booking your ticket from PIE to MDH just before your getaway is generally more expensive. However, if there's some wiggle room with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a PIE to MDH flight and hotel package?
Compared with arranging flights and hotels separately, booking a PIE to MDH flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the stress out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from St. Petersburg-Clearwater Intl. Airport (PIE) to Carbondale, IL (MDH-Southern Illinois)?
If you booked your PIE to MDH flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.