Cheap Flights from Knoxville (TYS) to St. Petersburg (PIE)

Popular airlines from McGhee Tyson Airport (TYS) to St. Petersburg-Clearwater Intl. Airport (PIE)

Find available prices by choosing your travel dates.
Flights from Knoxville (TYS) to St. Petersburg (PIE)
Origin airport
McGhee Tyson
Destination airport
St. Petersburg-Clearwater Intl.
Distance
551 mi

Knoxville to St. Petersburg Flights

The cheapest times to fly from Knoxville to St. Petersburg

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

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

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

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 Knoxville to St. Petersburg 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 Knoxville to St. Petersburg 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 Knoxville to St. Petersburg 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 McGhee Tyson Airport (TYS) to St. Petersburg-Clearwater Intl. Airport (PIE) cost?
Discover the latest flight deals from TYS to PIE 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 TYS to PIE?
The cheapest flights from TYS to PIE 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 TYS to PIE?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from TYS to PIE. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from McGhee Tyson Airport (TYS) to St. Petersburg-Clearwater Intl. Airport (PIE)?
On average, McGhee Tyson Airport (TYS) has 6 nonstop flights to St. Petersburg-Clearwater Intl. Airport (PIE) each week. For more choice, take advantage of Expedia’s filter tool to find flights with a layover. Squeeze in a quick visit to another city or simply break up your trip.
What are the most popular departure times for flights from McGhee Tyson Airport (TYS) to St. Petersburg-Clearwater Intl. Airport (PIE)?
The 8 AM departures from TYS to PIE are the top choice for many travelers. Greater demand means you’ll likely pay more for these departures. If you want to save on your trip, pick a less crowded time to fly.
What day of the week has the most flights from TYS to PIE?
If you fly on a Friday, you’ll get the greatest range of choices for flights from McGhee Tyson Airport (TYS) to St. Petersburg-Clearwater Intl. Airport (PIE).
What is the earliest flight from McGhee Tyson Airport (TYS) to St. Petersburg-Clearwater Intl. Airport (PIE)?
Hop on the earliest flight at around 8:30AM UTC-5, departing from McGhee Tyson Airport (TYS). You’ll be in the air for approximately 1h 51m, touching down at St. Petersburg-Clearwater Intl. Airport (PIE) at approximately 10:21AM UTC-5.
How long does it take to fly from McGhee Tyson Airport (TYS) to St. Petersburg-Clearwater Intl. Airport (PIE)?
The average flight time from TYS to PIE is 1 hour and 51 minutes, covering a total distance of 550 mi.
What is the best time to fly from McGhee Tyson Airport (TYS) to St. Petersburg-Clearwater Intl. Airport (PIE)?
To touch down at St. Petersburg-Clearwater Intl. Airport (PIE) on time, choose a flight that leaves McGhee Tyson Airport (TYS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 St. Petersburg - Clearwater from McGhee Tyson Airport (TYS)?
Compare your flight options from McGhee Tyson Airport (TYS) to St. Petersburg-Clearwater Intl. Airport (PIE). This is the only St. Petersburg - Clearwater airport you can fly into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from McGhee Tyson Airport (TYS) to St. Petersburg-Clearwater Intl. Airport (PIE) last-minute?
Last-minute bookings from TYS to PIE are typically more expensive. For the lowest rates, start searching for flights early. That being said, if your travel plans are flexible, it’s possible to find a cheap fare just before your departure.
Is it cheaper to book a TYS to PIE flight and hotel package?
You can save money by booking a TYS to PIE flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one convenient place. After selecting your ideal accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from McGhee Tyson Airport (TYS) to St. Petersburg-Clearwater Intl. Airport (PIE)?
You can usually cancel or reschedule your TYS to PIE flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.