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St Petersburg

$56+ Cheap flights from Illinois to Tampa (PIE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PIE
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Illinois to St Petersburg

Keep the following information in mind while searching for Illinois to St Petersburg flight deals. Data was last updated September 16, 2025.

Round-trip from

$97
(Cheapflightsfares)

One-way from

$56
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$188
From Illinois to Tampa St. Petersburg
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One-way flight from Illinois to Tampa St. Petersburg
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Illinois to St Petersburg

Cheapest flights from Illinois to St Petersburg
Explore the most affordable flight options available from Illinois to St Petersburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Sat 11/15:32 pmMLI - PIE
Nonstop2h 28mAllegiant Air
Wed 11/56:20 amPIE - MLI
Nonstop2h 39mAllegiant Air
Deal found 9/16$97
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Wed 10/18:30 amMLI - PIE
Nonstop2h 28mAllegiant Air
Sat 10/412:43 pmPIE - MLI
Nonstop2h 40mAllegiant Air
Deal found 9/15$108
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Sat 10/43:13 pmMLI - PIE
Nonstop2h 28mAllegiant Air
Wed 10/86:00 amPIE - MLI
Nonstop2h 40mAllegiant Air
Deal found 9/14$109
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:50 amBMI - PIE
Nonstop2h 16mAllegiant Air
Fri 12/56:40 amPIE - BMI
Nonstop2h 33mAllegiant Air
Deal found 9/14$122
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Sat 10/113:13 pmMLI - PIE
Nonstop2h 28mAllegiant Air
Wed 10/156:00 amPIE - MLI
Nonstop2h 40mAllegiant Air
Deal found 9/16$136
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:44 amRFD - PIE
Nonstop2h 31mAllegiant Air
Fri 10/316:00 amPIE - RFD
Nonstop2h 44mAllegiant Air
Deal found 9/15$156
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:32 amMLI - PIE
Nonstop2h 32mAllegiant Air
Thu 12/184:56 pmPIE - MLI
Nonstop2h 42mAllegiant Air
Deal found 9/14$159
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:34 amRFD - PIE
Nonstop2h 31mAllegiant Air
Mon 11/36:10 amPIE - RFD
Nonstop2h 44mAllegiant Air
Deal found 9/15$160
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:30 amMLI - PIE
Nonstop2h 28mAllegiant Air
Wed 10/156:00 amPIE - MLI
Nonstop2h 40mAllegiant Air
Deal found 9/14$161
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:04 amRFD - PIE
Nonstop2h 31mAllegiant Air
Mon 10/68:10 amPIE - RFD
Nonstop2h 44mAllegiant Air
Deal found 9/14$167
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:30 amMLI - PIE
Nonstop2h 28mAllegiant Air
Sat 10/1112:43 pmPIE - MLI
Nonstop2h 40mAllegiant Air
Deal found 9/14$176
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:57 amBMI - PIE
Nonstop2h 20mAllegiant Air
Mon 9/228:30 amPIE - BMI
Nonstop2h 27mAllegiant Air
Deal found 9/14$179

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 September 16, 2025.
Use the filters below to find and compare flights from Illinois to Tampa that are best for you.

Fly from

Illinois

Fly to

St Petersburg

Route

Depart

Return

Price

MolineTampa

MLI - PIE

MLIPIE

Moline Quad-City

Sat 11/1

5:32 pm-9:00 pm

Nonstop2h 28m

Tampa St. Petersburg

Wed 11/5

6:20 am-7:59 am

Nonstop2h 39m

$97

MolineTampa

MLI - PIE

MLIPIE

Moline Quad-City

Sat 10/4

3:13 pm-6:41 pm

Nonstop2h 28m

Tampa St. Petersburg

Wed 10/8

6:00 am-7:40 am

Nonstop2h 40m

$109

MolineTampa

MLI - PIE

MLIPIE

Moline Quad-City

Sat 1/10

12:36 pm-4:21 pm

Nonstop2h 45m

Tampa St. Petersburg

Sat 1/17

10:00 am-11:46 am

Nonstop2h 46m

$115

BloomingtonTampa

BMI - PIE

BMIPIE

Bloomington-Normal

Mon 12/1

9:50 am-1:06 pm

Nonstop2h 16m

Tampa St. Petersburg

Fri 12/5

6:40 am-8:13 am

Nonstop2h 33m

$122

MolineTampa

MLI - PIE

MLIPIE

Moline Quad-City

Sat 10/11

3:13 pm-6:41 pm

Nonstop2h 28m

Tampa St. Petersburg

Wed 10/15

6:00 am-7:40 am

Nonstop2h 40m

$136

ChicagoTampa

RFD - PIE

RFDPIE

Chicago Greater Rockford

Mon 1/26

7:38 pm-11:18 pm

Nonstop2h 40m

Tampa St. Petersburg

Fri 1/30

5:00 pm-6:48 pm

Nonstop2h 48m

$148

MolineTampa

MLI - PIE

MLIPIE

Moline Quad-City

Sat 12/13

11:32 am-3:04 pm

Nonstop2h 32m

Tampa St. Petersburg

Thu 12/18

4:56 pm-6:38 pm

Nonstop2h 42m

$159

ChicagoTampa

RFD - PIE

RFDPIE

Chicago Greater Rockford

Fri 10/3

9:04 am-12:35 pm

Nonstop2h 31m

Tampa St. Petersburg

Mon 10/6

8:10 am-9:54 am

Nonstop2h 44m

$167

BloomingtonTampa

BMI - PIE

BMIPIE

Bloomington-Normal

Fri 11/14

7:17 pm-10:33 pm

Nonstop2h 16m

Tampa St. Petersburg

Mon 11/17

8:00 am-9:29 am

Nonstop2h 29m

$182

ChicagoTampa

RFD - PIE

RFDPIE

Chicago Greater Rockford

Fri 11/14

8:50 am-12:22 pm

Nonstop2h 32m

Tampa St. Petersburg

Mon 11/17

6:30 am-8:10 am

Nonstop2h 40m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to St Petersburg

Have a flexible travel schedule? Discover the best time to fly to St Petersburg from Illinois 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 Illinois to Tampa

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Tampa (average of $123). Flying from Illinois to Tampa in March is currently the most expensive (average of $233). 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 IL to PIE?

Find hourly flight availability from Illinois 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 September 16, 2025.

When flying from Illinois to Tampa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

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

  • What airport do you fly into for flights to Tampa from Illinois?

    For a flight from Illinois to Tampa, you will be flying into St. Petersburg. Tampa St. Petersburg (PIE) is just 14.4 mi from the center of the city.

  • How long is the flight from Illinois to Tampa?

    Allegiant Air can get you from Illinois to Tampa in just under 2h 28m. Your travel time will be generally consistent. The distance from Illinois to Tampa is about 1034 mi. Most flights are nonstop.

  • What are the most popular routes from Illinois to Tampa?

    The most popular flight routes from Illinois to Tampa are Chicago Greater Rockford - Tampa St. Petersburg, Bloomington-Normal - Tampa St. Petersburg and Chicago O'Hare Intl - Tampa St. Petersburg.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Tampa?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Tampa (average of $123). Flying from Illinois to Tampa in March is currently the most expensive (average of $233). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to St Petersburg

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to St Petersburg

Discover the top 4 airlines that operate flights from Illinois 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$211FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$80Average$169FlexibilityNo cancel feeOn-time88%
DeltaCheapest$249Average$328FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$277Average$397FlexibilityNo cancel feeOn-time69%

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