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$59+ Cheap flights from Florida Keys 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — ORD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Florida Keys to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Florida Keys (zzEOA) to Illinois (USIL). 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 November 21, 2024.

Find flight deals from Florida Keys to Illinois

Cheapest flights from Florida Keys to Illinois
Explore the most affordable flight options available from Florida Keys to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This FlightHub deal was found by Cheapflights users on 11/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/174:38 pmMIA - ORD
Nonstop3h 29mMultiple Airlines
Thu 12/196:00 amORD - MIA
1 stop17h 13mMultiple Airlines
Deal found 11/21$122
This eDestinos deal was found by Cheapflights users on 11/21. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/124:38 pmMIA - ORD
Nonstop3h 29mSpirit Airlines
Mon 12/168:02 pmORD - MIA
Nonstop3h 18mSpirit Airlines
Deal found 11/21$123
This Frontier deal was found by Cheapflights users on 11/21. 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 12/612:42 pmMIA - MDW
Nonstop3h 30mFrontier
Sun 12/86:30 amMDW - MIA
1 stop11h 12mFrontier
Deal found 11/21$123
This Cheapflightsfares deal was found by Cheapflights users on 11/21. 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 12/126:00 amMIA - ORD
1 stop9h 00mFrontier
Mon 12/163:25 pmORD - MIA
1 stop5h 44mFrontier
Deal found 11/21$126
This CheapOair deal was found by Cheapflights users on 11/20. 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.
Thu 12/56:00 amMIA - STL
1 stop27h 13mFrontier
Wed 12/116:46 pmSTL - MIA
1 stop30h 06mFrontier
Deal found 11/20$158
This eDestinos deal was found by Cheapflights users on 11/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/129:45 amMIA - MDW
2 stops38h 00mMultiple Airlines
Mon 12/168:15 amMDW - MIA
1 stop6h 13mMultiple Airlines
Deal found 11/20$169
This United Airlines deal was found by Cheapflights users on 11/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/194:19 pmEYW - ORD
Nonstop3h 31mUnited Airlines
Tue 12/2411:02 amORD - EYW
Nonstop3h 11mUnited Airlines
Deal found 11/21$224
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/48:05 amMIA - ORD
1 stop5h 45mDelta
Sun 1/127:05 amORD - MIA
1 stop5h 41mDelta
Deal found 11/20$236
This American Airlines deal was found by Cheapflights users on 11/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/241:07 pmEYW - ORD
Nonstop3h 31mAmerican Airlines
Sat 1/1110:28 amORD - EYW
1 stop7h 39mAmerican Airlines
Deal found 11/21$254
This Mytrip deal was found by Cheapflights users on 11/20. 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.
Thu 12/124:38 pmMIA - STL
2 stops19h 52mMultiple Airlines
Mon 12/165:00 pmSTL - MIA
2 stops30h 20mMultiple Airlines
Deal found 11/20$264
This Southwest deal was found by Cheapflights users on 11/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/76:30 amMIA - MDW
Nonstop3h 10mSouthwest
Sun 12/811:25 amMDW - MIA
Nonstop3h 05mSouthwest
Deal found 11/19$274
This Delta deal was found by Cheapflights users on 11/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/196:02 pmEYW - ORD
1 stop6h 51mDelta
Tue 12/245:40 amORD - EYW
1 stop5h 27mDelta
Deal found 11/21$323

Find flights from Florida Keys to Illinois within your budget

Customize your flight search to find flights from Florida Keys 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MiamiChicago

MIA - ORD

MIAORD

Miami

Tue 12/17

4:38 pm-7:07 pm

Nonstop3h 29m

Chicago O'Hare Intl

Thu 12/19

6:00 am-12:13 am

1 stop17h 13m

$122

MiamiChicago

MIA - ORD

MIAORD

Miami

Thu 12/12

4:38 pm-7:07 pm

Nonstop3h 29m

Chicago O'Hare Intl

Mon 12/16

8:02 pm-12:20 am

Nonstop3h 18m

$123

MiamiChicago

MIA - MDW

MIAMDW

Miami

Fri 1/10

7:15 am-5:52 pm

1 stop11h 37m

Chicago Midway

Sun 1/12

7:45 am-11:58 am

Nonstop3h 13m

$123

MiamiChicago

MIA - ORD

MIAORD

Miami

Thu 1/9

1:35 pm-10:42 pm

1 stop10h 07m

Chicago O'Hare Intl

Mon 1/13

7:50 am-1:52 am

1 stop17h 02m

$126

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Thu 12/5

6:00 am-8:13 am

1 stop27h 13m

Lambert-St Louis

Wed 12/11

6:46 pm-1:52 am

1 stop30h 06m

$158

MiamiChicago

MIA - MDW

MIAMDW

Miami

Thu 12/12

9:45 am-10:45 pm

2 stops38h 00m

Chicago Midway

Mon 12/16

8:15 am-3:28 pm

1 stop6h 13m

$169

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Fri 2/7

6:00 am-9:54 am

1 stop4h 54m

Lambert-St Louis

Sun 2/9

2:00 pm-9:27 pm

1 stop6h 27m

$196

Key WestChicago

EYW - ORD

EYWORD

Key West

Thu 12/19

4:19 pm-6:50 pm

Nonstop3h 31m

Chicago O'Hare Intl

Tue 12/24

11:02 am-3:13 pm

Nonstop3h 11m

$224

MiamiChicago

MIA - ORD

MIAORD

Miami

Sat 1/11

7:00 am-1:42 pm

1 stop7h 42m

Chicago O'Hare Intl

Sun 1/12

7:05 am-1:46 pm

1 stop5h 41m

$232

MiamiChicago

MIA - ORD

MIAORD

Miami

Sat 1/18

5:30 pm-8:03 pm

Nonstop3h 33m

Chicago O'Hare Intl

Sat 6/7

6:10 pm-10:16 pm

Nonstop3h 06m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

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

Have a flexible travel schedule? Discover the best time to fly to Illinois from Florida Keys 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.

Travel insights for flights from Florida Keys to Illinois

Get recent, data-driven insights about flights from Florida Keys to Illinois including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Florida Keys to Illinois (average of $232). Flying from Florida Keys to Illinois in June is currently the most expensive (average of $308). 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 EOA to IL?

Find hourly flight availability from Florida Keys 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 November 21, 2024.

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

Weekly flight availability from Florida Keys to Illinois

Explore weekly flight availability from Florida Keys 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 November 21, 2024.

The most flights from zzEOA to USIL are scheduled on a Wednesday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 November 21, 2024.
Read reviews from past customers who have flown Spirit Airlines, United Airlines and Frontier from Florida Keys to Illinois. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,389 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

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

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

    The cheapest airlines for a one-way flight from Florida Keys to Illinois are Frontier ($59), Spirit Airlines ($60), and Southwest ($79).

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

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

  • How can I find direct flights from Florida Keys to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Florida Keys 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 Florida Keys to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Florida Keys to Illinois (average of $232). Flying from Florida Keys to Illinois in June is currently the most expensive (average of $308). 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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Alternative routes for Florida Keys to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Florida Keys to Illinois

Discover the top 2 airlines that operate flights from Florida Keys 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$211Average$434FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$313Average$394FlexibilityNo cancel feeOn-time69%
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