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$51+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — ORD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Clearwater to Illinois

Keep the following information in mind while searching for Clearwater to Illinois flight deals. Data was last updated September 15, 2025.

Round-trip from

$100
(Frontier)

One-way from

$51
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$198
From Clearwater to Illinois
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One-way flight from Clearwater to Illinois
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 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 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 September 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 10/114:39 pmTPA - STL
Nonstop2h 23mFrontier
Sat 10/186:47 pmSTL - TPA
Nonstop2h 17mFrontier
Deal found 9/13$83
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:55 amTPA - MDW
Nonstop2h 49mFrontier
Mon 10/66:21 amMDW - TPA
Nonstop2h 36mFrontier
Deal found 9/15$100
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Thu 10/28:15 amTPA - ORD
Nonstop3h 03mSpirit Airlines
Mon 10/66:18 pmORD - TPA
Nonstop2h 39mSpirit Airlines
Deal found 9/13$100
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 10/310:55 amTPA - MDW
Nonstop2h 49mFrontier
Sun 10/56:21 amMDW - TPA
Nonstop2h 36mFrontier
Deal found 9/13$101
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.
Sun 11/211:59 amTPA - ORD
Nonstop3h 00mMultiple Airlines
Tue 11/41:56 pmORD - TPA
Nonstop2h 42mMultiple Airlines
Deal found 9/14$101
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.
Fri 9/2610:55 amTPA - MDW
Nonstop2h 49mFrontier
Fri 10/36:21 amMDW - TPA
Nonstop2h 36mFrontier
Deal found 9/14$102
This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:11 pmTPA - MDW
Nonstop2h 46mFrontier
Mon 11/176:06 pmMDW - TPA
Nonstop2h 35mFrontier
Deal found 9/13$103
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:13 amTPA - ORD
Nonstop2h 55mSpirit Airlines
Mon 10/272:25 pmORD - TPA
Nonstop2h 37mSpirit Airlines
Deal found 9/15$103
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/242:22 pmTPA - MDW
Nonstop2h 47mFrontier
Mon 10/279:45 amMDW - TPA
Nonstop2h 37mFrontier
Deal found 9/14$104
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.
Sat 10/48:14 amTPA - ORD
Nonstop3h 03mSpirit Airlines
Tue 10/76:18 pmORD - TPA
Nonstop2h 39mSpirit Airlines
Deal found 9/15$109
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 10/181:45 pmTPA - ORD
Nonstop3h 00mFrontier
Mon 10/205:50 pmORD - TPA
1 stop4h 52mFrontier
Deal found 9/13$110
This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:15 amTPA - MDW
1 stop9h 58mFrontier
Sun 10/125:20 amMDW - TPA
Nonstop2h 35mFrontier
Deal found 9/13$111

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 September 15, 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

TampaChicago

TPA - MDW

TPAMDW

Tampa

Tue 11/4

7:15 am-9:00 am

Nonstop2h 45m

Chicago Midway

Tue 11/4

2:55 pm-6:30 pm

Nonstop2h 35m

$137

TampaChicago

TPA - ORD

TPAORD

Tampa

Thu 11/27

10:20 am-12:15 pm

Nonstop2h 55m

Chicago O'Hare Intl

Tue 12/2

11:55 am-3:35 pm

Nonstop2h 40m

$140

TampaChicago

TPA - MDW

TPAMDW

Tampa

Thu 11/27

10:25 am-12:05 pm

Nonstop2h 40m

Chicago Midway

Tue 12/2

6:00 pm-9:35 pm

Nonstop2h 35m

$147

TampaChicago

TPA - MDW

TPAMDW

Tampa

Wed 11/19

4:30 pm-6:15 pm

Nonstop2h 45m

Chicago Midway

Sat 11/22

8:30 pm-12:05 am

Nonstop2h 35m

$147

TampaChicago

TPA - ORD

TPAORD

Tampa

Tue 12/9

12:45 pm-2:45 pm

Nonstop3h 00m

Chicago O'Hare Intl

Sat 12/13

11:55 am-3:35 pm

Nonstop2h 40m

$147

TampaChicago

TPA - MDW

TPAMDW

Tampa

Fri 10/24

8:10 pm-9:50 pm

Nonstop2h 40m

Chicago Midway

Tue 10/28

6:55 am-10:25 am

Nonstop2h 30m

$148

TampaChicago

TPA - MDW

TPAMDW

Tampa

Wed 12/10

7:15 pm-9:00 pm

Nonstop2h 45m

Chicago Midway

Sun 12/14

5:20 am-8:55 am

Nonstop2h 35m

$148

TampaChicago

TPA - ORD

TPAORD

Tampa

Wed 12/10

12:45 pm-2:45 pm

Nonstop3h 00m

Chicago O'Hare Intl

Sun 12/14

11:55 am-3:35 pm

Nonstop2h 40m

$148

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Sat 10/11

4:39 pm-6:02 pm

Nonstop2h 23m

Lambert-St Louis

Mon 10/13

7:52 pm-5:22 am

1 stop8h 30m

$149

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Fri 11/21

9:30 am-2:25 pm

1 stop5h 55m

Lambert-St Louis

Mon 11/24

6:30 am-3:08 pm

1 stop7h 38m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, August is the cheapest month in which you can book a flight from Clearwater to Illinois (average of $245). Flying from Clearwater to Illinois in March is currently the most expensive (average of $321). 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Clearwater to Illinois as you normally would.

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 September 15, 2025.

The most flights from CL9 to USIL are scheduled on a Monday (65 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (50 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 September 15, 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
4,242 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

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
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

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
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

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
8,015 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

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
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

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 23m. Fly via Southwest, Frontier, or United Airlines to get the fastest option. The distance from Clearwater to Illinois is about 870 mi. This flight may include one or multiple stops.

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

    $69 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $69 and $69, 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 Brussels Airlines (80%), Cathay Pacific (79%) or United Airlines (78%) 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 $54. On average you can expect to pay $1,117. The most popular route, (Tampa - Chicago O'Hare Intl), can usually be booked for $86.

  • 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, August is the cheapest month in which you can book a flight from Clearwater to Illinois (average of $245). Flying from Clearwater to Illinois in March is currently the most expensive (average of $321). 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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Alternative routes for Clearwater to Illinois

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$162FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$50Average$182FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$73Average$145FlexibilityNo cancel feeOn-time65%
Breeze AirwaysCheapest$101Average$152FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$114Average$397FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$143Average$303FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$158Average$368FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$405FlexibilityNo cancel feeOn-time71%

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