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$41+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — ORD
Nov 9 — Nov 161
Sat 11/9
Sat 11/16
1 adult, Economy
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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 4, 2024.

This FlightHub deal was found by Cheapflights users on 11/3. 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.
Sat 12/74:38 pmMIA - ORD
Nonstop3h 29mMultiple Airlines
Mon 12/93:25 pmORD - MIA
1 stop5h 44mMultiple Airlines
Deal found 11/3$104
This Frontier deal was found by Cheapflights users on 11/3. 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 11/151:06 pmMIA - MDW
Nonstop3h 15mFrontier
Mon 11/184:02 pmMDW - MIA
1 stop6h 57mFrontier
Deal found 11/3$104
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 12/34:38 pmMIA - ORD
Nonstop3h 29mSpirit Airlines
Tue 12/108:02 pmORD - MIA
Nonstop3h 18mSpirit Airlines
Deal found 11/3$106
This Frontier deal was found by Cheapflights users on 11/3. 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.
Thu 12/54:40 pmMIA - ORD
1 stop8h 11mFrontier
Mon 12/93:25 pmORD - MIA
1 stop5h 44mFrontier
Deal found 11/3$108
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/66:00 amMIA - STL
1 stop27h 13mFrontier
Mon 12/96:46 pmSTL - MIA
1 stop27h 37mFrontier
Deal found 11/4$159
This eDestinos deal was found by Cheapflights users on 11/4. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/226:15 amMIA - MDW
1 stop7h 55mMultiple Airlines
Sun 11/246:05 amMDW - MIA
2 stops32h 38mMultiple Airlines
Deal found 11/4$185
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:00 amMIA - MDW
1 stop4h 50mDelta
Tue 12/1010:38 amMDW - MIA
1 stop5h 14mDelta
Deal found 11/4$216
This Southwest deal was found by Cheapflights users on 11/2. 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 11/166:30 amMIA - MDW
Nonstop3h 10mSouthwest
Wed 11/209:40 amMDW - MIA
Nonstop3h 05mSouthwest
Deal found 11/2$224
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Mon 11/185:05 pmMIA - ORD
Nonstop3h 28mAmerican Airlines
Tue 11/195:00 amORD - MIA
Nonstop3h 07mAmerican Airlines
Deal found 11/2$240
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/124:05 pmEYW - ORD
Nonstop3h 21mUnited Airlines
Sun 12/1510:55 amORD - EYW
Nonstop3h 06mUnited Airlines
Deal found 11/4$249
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/127:25 amEYW - ORD
1 stop6h 20mDelta
Sun 12/155:40 amORD - EYW
1 stop6h 44mDelta
Deal found 11/4$268
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/69:45 amMIA - STL
3 stops30h 36mMultiple Airlines
Mon 12/92:00 pmSTL - MIA
2 stops33h 20mMultiple Airlines
Deal found 11/4$271

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 2,455,398 searches. Data last updated November 4, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MiamiChicago

MIA - ORD

MIAORD

Miami

Tue 2/25

1:27 pm-6:34 pm

1 stop6h 07m

$53

MiamiChicago

MIA - ORD

MIAORD

Miami

Wed 11/20

5:56 am-12:52 pm

1 stop7h 56m

$54

MiamiChicago

MIA - MDW

MIAMDW

Miami

Wed 12/4

3:40 pm-5:50 pm

Nonstop3h 10m

$79

Key WestChicago

EYW - ORD

EYWORD

Key West

Sun 1/12

9:03 am-6:57 pm

1 stop10h 54m

$104

MiamiChicago

MIA - ORD

MIAORD

Miami

Wed 11/20

12:28 pm-2:55 pm

Nonstop3h 27m

$105

MiamiChicago

MIA - MDW

MIAMDW

Miami

Sat 12/7

6:40 pm-11:29 pm

1 stop5h 49m

$53

MiamiChicago

MIA - MDW

MIAMDW

Miami

Wed 12/4

8:05 am-12:49 pm

1 stop5h 44m

$109

MiamiChicago

MIA - ORD

MIAORD

Miami

Wed 11/27

11:58 am-8:21 am

1 stop21h 23m

$118

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Tue 1/28

8:00 am-8:13 am

1 stop25h 13m

$59

MiamiChicago

MIA - ORD

MIAORD

Miami

Sun 11/24

6:35 am-9:04 am

Nonstop3h 29m

$132

Flights are sorted by cheapest first

Deals found on 11/4

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 4, 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 4, 2024.

The most flights from zzEOA to USIL are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 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 4, 2024.
Read reviews from past customers who have flown Spirit Airlines, American 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
5,089 reviews

Comfort

8.1

Overall

8.1

Boarding

8.3

Entertainment

7.7

Crew

8.7

Food

7.2

Reviews

1 / 10

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

Southwest
8.1
Very good
5,089 reviews
Southwest
8.1
Very good
5,089 reviews

Comfort

8.1

Overall

8.1

Boarding

8.3

Entertainment

7.7

Crew

8.7

Food

7.2

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,423 reviews
Southwest
8.1
Very good
5,089 reviews

Comfort

8.1

Overall

8.1

Boarding

8.3

Entertainment

7.7

Crew

8.7

Food

7.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,829 reviews
Southwest
8.1
Very good
5,089 reviews

Comfort

8.1

Overall

8.1

Boarding

8.3

Entertainment

7.7

Crew

8.7

Food

7.2

Reviews

1 / 10

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

United Airlines
7.4
Good
9,226 reviews
Southwest
8.1
Very good
5,089 reviews

Comfort

8.1

Overall

8.1

Boarding

8.3

Entertainment

7.7

Crew

8.7

Food

7.2

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,089 reviews

Comfort

8.1

Overall

8.1

Boarding

8.3

Entertainment

7.7

Crew

8.7

Food

7.2

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.

  • Can I find flights from Florida Keys to Illinois for under $100 on Cheapflights?

    Yes, there are multiple flights from Florida Keys to Illinois for under $100. The cheapest flight booked recently is on Spirit Airlines for just $86, but on average you can expect to pay $231.

  • Are there nonstop flights from Florida Keys to Illinois for under $100 on Cheapflights?

    Cheapflights has at least 9 direct flights from Florida Keys to Illinois under $100. A good price for a nonstop flight from Florida Keys to Illinois is less than $231.

  • Are there last-minute flights available from Florida Keys to Illinois for under $200?

    There are currently 20+ open flights from Florida Keys to Illinois within the next 7 days for less than $200.

  • What days are nonstop flights available from Florida Keys to Illinois?

    Nonstop flights can be found on the following days: Monday, Tuesday, Wednesday, Friday, Saturday.

  • How many flights depart from Florida Keys to Illinois on average per day?

    6 flight departures from Florida Keys to Illinois per day on average.
    Morning (6am - Noon) - 33% of flight departures
    Afternoon (Noon - 6pm) - 67% of flight departures

  • How long is the flight from Florida Keys to Illinois?

    Airlines like Spirit Airlines, Frontier, and Delta fly from Florida Keys to Illinois in about 3h 15m. The time it takes to get you to your destination can typically vary by up to 1h 35m. The distance from Florida Keys to Illinois is about 1261 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 Spirit Airlines ($41), Frontier ($48), and Southwest ($79).

  • What does EYW to ORD mean?

    This is defined as Key West Airport (EYW) and Chicago O'Hare Intl Airport (ORD). Codes like Chicago O'Hare Intl Airport are often used to just call airports uniquely. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).

  • Can I find deals for flights from Florida Keys to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Florida Keys to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Florida Keys to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Florida Keys to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Florida Keys to Illinois that allow pets onboard?

    Many airlines flying from Florida Keys to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Florida Keys to Illinois?

    Yes, you can often find last-minute deals on Florida Keys to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Florida Keys to Illinois flight deals updated?

    The Florida Keys to Illinois flight deals you see on this page were last updated on 11/4.

  • 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 3 airlines flying from Florida Keys to Illinois

Discover the top 3 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 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$211Average$457FlexibilityNo cancel feeOn-time71%
DeltaCheapest$278Average$441FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$313Average$518FlexibilityNo cancel feeOn-time69%
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