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St Petersburg

$80+ Cheap flights from Knoxville to Tampa (TYS - PIE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PIE
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Tampa St. Petersburg are usually found in August or February, booked 56 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Knoxville to St Petersburg

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to St Petersburg (PIE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 29, 2025.

Round-trip from

$80
(Cheapflightsfares)

Popular in

November

Cheapest in

August

Average price

$122
From Knoxville McGhee Tyson to Tampa St. Petersburg
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Knoxville to St Petersburg

Cheapest flights from Knoxville to St Petersburg
Explore the most affordable flight options available from Knoxville to St Petersburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/59:57 pmTYS - PIE
Nonstop1h 41mAllegiant Air
lun. 9/86:05 pmPIE - TYS
Nonstop1h 37mAllegiant Air
Deal found 7/27$80
This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/39:54 pmTYS - PIE
Nonstop1h 39mMultiple Airlines
lun. 10/66:30 amPIE - TYS
2 stops28h 03mMultiple Airlines
Deal found 7/29$211

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to St Petersburg that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 29, 2025.
Use the filters below to find and compare flights from Knoxville to Tampa that are best for you.

Fly from

Knoxville

Fly to

St Petersburg

Route

Depart

Return

Price

KnoxvilleTampa

TYS - PIE

TYSPIE

Knoxville McGhee Tyson

vie. 9/5

9:57 pm-11:38 pm

Nonstop1h 41m

Tampa St. Petersburg

lun. 9/8

6:05 pm-7:42 pm

Nonstop1h 37m

$80

KnoxvilleTampa

TYS - PIE

TYSPIE

Knoxville McGhee Tyson

vie. 10/3

9:54 pm-11:33 pm

Nonstop1h 39m

Tampa St. Petersburg

lun. 10/6

6:30 am-10:33 am

2 stops28h 03m

$211

KnoxvilleTampa

TYS - PIE

TYSPIE

Knoxville McGhee Tyson

vie. 8/15

6:12 pm-7:52 pm

Nonstop1h 40m

$84

KnoxvilleTampa

TYS - PIE

TYSPIE

Knoxville McGhee Tyson

jue. 8/14

8:52 pm-9:56 pm

3 stops25h 04m

$196

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Knoxville to St Petersburg

Have a flexible travel schedule? Discover the best time to fly to St Petersburg from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Tampa

How far ahead should I book a flight from Knoxville to Tampa?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to St Petersburg. Price data was last updated on July 25, 2025.

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Knoxville to Tampa. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Knoxville to Tampa?

Currently, August is the cheapest month in which you can book a flight from Knoxville to Tampa (average of $137). Flying from Knoxville to Tampa in March is currently the most expensive (average of $235). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TYS to PIE?

Find hourly flight availability from Knoxville to St Petersburg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Tampa in the evening. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Knoxville to Tampa?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to St Petersburg. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Knoxville to Tampa flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing St Petersburg

Get insights into the airlines that provide service to St Petersburg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St Petersburg. Reviews last updated julio 29, 2025.
Peruse reviews from past customers who have flown with Allegiant Air from Knoxville to Tampa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Allegiant Air
7.2
Good
703 reviews

Entertainment

5.5

Boarding

7.6

Overall

7.2

Food

5.9

Comfort

6.8

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.
Allegiant Air
7.2
Good
703 reviews
Allegiant Air
7.2
Good
703 reviews

Entertainment

5.5

Boarding

7.6

Overall

7.2

Food

5.9

Comfort

6.8

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to St Petersburg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Knoxville to Tampa flight route?

    Flights from Knoxville McGhee Tyson to Tampa St. Petersburg have been viewed 10 times in the past calendar month.

  • What is the cheapest airline to fly from Knoxville to Tampa round-trip?

    Flying on Allegiant Air is currently your cheapest option to Tampa, with prices starting at $80. Allegiant Air is priced at 40% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Knoxville to Tampa?

    While on average a flight from Knoxville to Tampa is generally $122, our data shows the cheapest flight currently is $55. When looking at the most popular route, (Knoxville McGhee Tyson - Tampa St. Petersburg), you can expect to pay $80 for that flight.

  • Can I find deals for flights from Knoxville to St Petersburg that include hotel bookings?

    Yes. In addition to deals on Knoxville to St Petersburg flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to St Petersburg?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to St Petersburg.

  • Can I find deals for business class flights from Knoxville to St Petersburg?

    Yes. Cheapflights offers flight deals from Knoxville to St Petersburg by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Knoxville to Tampa?

    Currently, August is the cheapest month in which you can book a flight from Knoxville to Tampa (average of $137). Flying from Knoxville to Tampa in March is currently the most expensive (average of $235). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Knoxville to St Petersburg

Discover the top airline that operate flights from Knoxville to St Petersburg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$86Average$132FlexibilityNo cancel feeOn-time88%

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