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$53+ Cheap flights from Clearwater, FL to Illinois

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — ORD
Jan 6 — Jan 131
Tue 1/6
Tue 1/13
1 adult, Economy
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Cheap flight deals from Clearwater to Illinois

Cheapest flights from Clearwater to Illinois
Explore the most affordable flight options available from Clearwater to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 7, 2025.

This Super.com deal was found by Cheapflights users on 12/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:33 pmTPA - ORD
Nonstop3h 12mFrontier
Sun 1/118:00 amORD - TPA
Nonstop3h 04mFrontier
Deal found 12/6$101
This Super.com deal was found by Cheapflights users on 12/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:30 amTPA - STL
Nonstop2h 42mFrontier
Mon 1/59:07 amSTL - TPA
Nonstop2h 22mFrontier
Deal found 12/5$106
This CheapOair deal was found by Cheapflights users on 12/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:41 amTPA - ORD
Nonstop2h 58mSpirit Airlines
Thu 1/1510:07 amORD - TPA
Nonstop2h 47mSpirit Airlines
Deal found 12/7$118
This Cheapflightsfares deal was found by Cheapflights users on 12/5. 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.
Tue 12/3010:41 amTPA - ORD
Nonstop2h 58mSpirit Airlines
Sat 1/31:34 pmORD - TPA
Nonstop2h 43mSpirit Airlines
Deal found 12/5$127
This Cheapflightsfares deal was found by Cheapflights users on 12/6. 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 12/2410:41 amTPA - ORD
Nonstop2h 58mSpirit Airlines
Thu 1/810:07 amORD - TPA
Nonstop2h 47mSpirit Airlines
Deal found 12/6$128
This Cheapflightsfares deal was found by Cheapflights users on 12/5. 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.
Fri 12/129:00 amTPA - ORD
Nonstop3h 05mFrontier
Sun 1/118:00 amORD - TPA
Nonstop3h 04mFrontier
Deal found 12/5$129
This Kiwi.com deal was found by Cheapflights users on 12/6. 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.
Thu 12/118:07 pmTPA - ORD
1 stop5h 02mMultiple Airlines
Sun 1/187:58 pmORD - TPA
Nonstop3h 01mMultiple Airlines
Deal found 12/6$133
This Cheapflightsfares deal was found by Cheapflights users on 12/5. 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 12/3110:12 amTPA - ORD
1 stop10h 52mSpirit Airlines
Sun 1/41:34 pmORD - TPA
Nonstop2h 43mSpirit Airlines
Deal found 12/5$136
This Kiwi.com deal was found by Cheapflights users on 12/5. 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 12/2010:19 pmTPA - ORD
Nonstop3h 12mMultiple Airlines
Thu 1/11:34 pmORD - TPA
Nonstop2h 43mMultiple Airlines
Deal found 12/5$138
This Kiwi.com deal was found by Cheapflights users on 12/5. 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 12/2010:19 pmTPA - ORD
Nonstop3h 12mMultiple Airlines
Mon 1/51:34 pmORD - TPA
Nonstop2h 43mMultiple Airlines
Deal found 12/5$139
This Super.com deal was found by Cheapflights users on 12/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:41 amTPA - ORD
Nonstop2h 58mSpirit Airlines
Wed 12/311:34 pmORD - TPA
Nonstop2h 43mSpirit Airlines
Deal found 12/4$142
This Kiwi.com deal was found by Cheapflights users on 12/6. 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 12/157:51 pmTPA - MDW
1 stop13h 55mFrontier
Thu 12/186:12 amMDW - TPA
1 stop17h 14mFrontier
Deal found 12/6$171

Find flight deals from Clearwater to Illinois

Keep the following information in mind while searching for Clearwater to Illinois flight deals. Data was last updated December 7, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$93
(Cheapflightsfares)

One-way from

$53
(Super.com)

Popular in

December

Cheapest in

January

Average price

$255
Provider with most accurate pricing for Tampa-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Tampa-Chicago (CHI) flights.
Search Deals
From Clearwater to Illinois
Search Deals
One-way flight from Clearwater to Illinois
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Clearwater to Illinois 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 December 7, 2025.
Use the filters below to find and compare flights from Clearwater to Illinois that are best for you.

Fly from

Clearwater

Fly to

Illinois

Route

Depart

Return

Price

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Sun 2/22

5:27 pm-7:11 pm

Nonstop2h 44m

Lambert-St Louis

Sun 3/1

8:06 pm-11:28 pm

Nonstop2h 22m

$96

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Fri 1/16

10:09 am-11:52 am

Nonstop2h 43m

Lambert-St Louis

Mon 1/19

12:47 pm-4:09 pm

Nonstop2h 22m

$106

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Thu 1/15

10:44 pm-6:32 pm

1 stop20h 48m

Lambert-St Louis

Mon 1/19

12:47 pm-4:09 pm

Nonstop2h 22m

$136

TampaChicago

TPA - ORD

TPAORD

Tampa

Wed 1/21

4:30 pm-6:34 pm

Nonstop3h 04m

Chicago O'Hare Intl

Sun 1/25

7:15 am-11:08 am

Nonstop2h 53m

$149

TampaChicago

TPA - MDW

TPAMDW

Tampa

Sat 1/10

7:05 am-8:55 am

Nonstop2h 50m

Chicago Midway

Mon 1/12

5:40 pm-9:15 pm

Nonstop2h 35m

$168

TampaChicago

TPA - MDW

TPAMDW

Tampa

Tue 1/20

7:15 am-9:05 am

Nonstop2h 50m

Chicago Midway

Sun 1/25

6:45 am-10:30 am

Nonstop2h 45m

$168

TampaChicago

TPA - MDW

TPAMDW

Tampa

Fri 1/9

1:55 pm-3:40 pm

Nonstop2h 45m

Chicago Midway

Tue 1/13

7:50 am-11:30 am

Nonstop2h 40m

$168

TampaChicago

TPA - ORD

TPAORD

Tampa

Fri 2/6

4:30 pm-6:34 pm

Nonstop3h 04m

Chicago O'Hare Intl

Sun 2/8

6:10 pm-10:09 pm

Nonstop2h 59m

$179

TampaChicago

TPA - MDW

TPAMDW

Tampa

Thu 1/15

6:50 pm-8:35 pm

Nonstop2h 45m

Chicago Midway

Sun 1/18

5:40 pm-9:15 pm

Nonstop2h 35m

$179

TampaChicago

TPA - MDW

TPAMDW

Tampa

Thu 1/22

10:55 am-12:40 pm

Nonstop2h 45m

Chicago Midway

Sun 1/25

6:45 am-10:30 am

Nonstop2h 45m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/5

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

Have a flexible travel schedule? Discover the best time to fly to Illinois from Clearwater 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 Clearwater to Illinois

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

Currently, January is the cheapest month in which you can book a flight from Clearwater to Illinois (average of $30). Flying from Clearwater to Illinois in June is currently the most expensive (average of $107). 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 CL9 to IL?

Find hourly flight availability from Clearwater to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 7, 2025.

A simple way to save on the total cost of your ticket is to fly from Clearwater to Illinois in the morning. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Clearwater to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Clearwater to Illinois. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Clearwater to Illinois

Explore weekly flight availability from Clearwater to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 7, 2025.

The most flights from CL9 to USIL are scheduled on a Friday (58 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (28 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated December 7, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Clearwater to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
United Airlines
7.4
Good
9,072 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
American Airlines
7.2
Good
11,046 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
Spirit Airlines
6.3
Okay
8,167 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.
Frontier
5.8
Fair
3,090 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

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

  • How long is the flight from Clearwater to Illinois?

    There are many flights that can get you from Clearwater to Illinois in 2h 44m. Fly via Frontier, United Airlines, or Southwest to get the fastest option. The distance from Clearwater to Illinois is about 870 mi. All flights are typically nonstop.

  • What are the cheapest airlines to fly from Clearwater to Illinois one-way?

    $37 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Southwest, with prices starting from $43 and $71, respectively.

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

    When deciding which route to take from Clearwater to Illinois consider Tampa - Chicago O'Hare Intl, Tampa - Chicago Midway or Tampa - Lambert-St Louis as they are the most popular.

  • What are the most reliable airlines from Clearwater to Illinois?

    Consider Austrian Airlines (85%), Cathay Pacific (85%) or ANA (83%) when booking your flight. These represent the most reliable airlines when flying from Clearwater to Illinois.

  • What are the cheapest flights from Clearwater to Illinois?

    The cheapest flight price from Clearwater to Illinois is $48. On average you can expect to pay $813. The most popular route, (Tampa - Chicago O'Hare Intl), can usually be booked for $53.

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

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

  • How can I find direct flights from Clearwater to Illinois?

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Clearwater to Illinois (average of $30). Flying from Clearwater to Illinois in June is currently the most expensive (average of $107). 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.

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Clearwater to Illinois

Discover the top 8 airlines that operate flights from Clearwater to Illinois. 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 December 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$37Average$154FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$50Average$191FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$74Average$155FlexibilityNo cancel feeOn-time65%
DeltaCheapest$98Average$367FlexibilityNo cancel feeOn-timeN/A
Breeze AirwaysCheapest$121Average$178FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$143Average$300FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$155Average$359FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$389FlexibilityNo cancel feeOn-time71%

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