$48+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — ORD
2月 27 — 3月 61
1 adult, Economy
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Find cheap flights from Florida Keys to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Florida Keys to Illinois
Keep the following information in mind while searching for Florida Keys to Illinois flight deals. Data was last updated 2月 22, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $90 (Cheapflightsfares) |
One-way from | $48 (Cheapflightsfares) |
Popular in | February |
Cheapest in | August |
Average price | $536 |
Find flight deals from Florida Keys to Illinois
Cheapest flights from Florida Keys to IllinoisExplore 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 2月 22, 2025.
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 2月 22, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 2/21. 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.
金 4/1811:53 amMIA - ORD
Nonstop3h 33mSpirit Airlines
水 4/236:50 amORD - MIA
Nonstop3h 06mSpirit Airlines
Deal found 2/21![Spirit Airlines logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
火 3/1112:42 pmMIA - MDW
Nonstop3h 31mFrontier
火 3/257:25 amMDW - MIA
Nonstop3h 12mFrontier
Deal found 2/20![Frontier logo]()
$95
This FlightHub deal was found by Cheapflights users on 2/21. 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.
火 4/86:25 amMIA - ORD
1 stop18h 45mMultiple Airlines
火 4/157:00 pmORD - MIA
Nonstop3h 12mMultiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$97
This eDestinos deal was found by Cheapflights users on 2/21. 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.
土 3/17:04 pmMIA - ORD
1 stop24h 44mFrontier
火 3/46:50 amORD - MIA
1 stop21h 26mFrontier
Deal found 2/21![Frontier logo]()
$107
This CheapOair deal was found by Cheapflights users on 2/22. 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.
木 3/276:25 amMIA - STL
1 stop27h 51mFrontier
水 4/26:51 pmSTL - MIA
1 stop9h 04mFrontier
Deal found 2/22![Frontier logo]()
$160
This Trip.com deal was found by Cheapflights users on 2/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
火 3/2512:32 pmMIA - MDW
Nonstop3h 31mMultiple Airlines
水 3/264:59 pmMDW - MIA
1 stop6h 46mMultiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$166
This American Airlines deal was found by Cheapflights users on 2/21. 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.
水 4/26:37 amMIA - ORD
Nonstop3h 28mAmerican Airlines
水 4/210:05 amORD - MIA
Nonstop3h 18mAmerican Airlines
Deal found 2/21![American Airlines logo]()
$174
This American Airlines deal was found by Cheapflights users on 2/21. 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.
水 4/303:36 pmMIA - STL
Nonstop3h 01mAmerican Airlines
火 5/66:20 pmSTL - MIA
Nonstop2h 48mAmerican Airlines
Deal found 2/21![American Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 2/21. 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.
火 4/298:05 amMIA - STL
1 stop5h 51mDelta
火 4/295:32 pmSTL - MIA
1 stop6h 16mDelta
Deal found 2/21![Delta logo]()
$199
This Delta deal was found by Cheapflights users on 2/22. 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.
水 4/234:47 pmMIA - MDW
1 stop6h 39mDelta
土 4/264:00 pmMDW - MIA
1 stop6h 37mDelta
Deal found 2/22![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 2/21. 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.
水 3/198:05 amMIA - ORD
1 stop5h 36mDelta
火 3/251:26 pmORD - MIA
1 stop6h 55mDelta
Deal found 2/21![Delta logo]()
$218
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
水 3/129:43 amMIA - STL
2 stops31h 59mSpirit Airlines
火 3/185:38 pmSTL - MIA
2 stops20h 56mSpirit Airlines
Deal found 2/21![Spirit Airlines logo]()
$225
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 2,558,603 searches. Data last updated 2月 22, 2025.
Fly from
Florida Keys
Fly to
Illinois
Route
Depart
Return
Price
MiamiChicago
MIA - ORD
MIAORD
Miami
金 4/18
11:53 am-2:26 pm
Nonstop3h 33m
Chicago O'Hare Intl
水 4/23
6:50 am-10:56 am
Nonstop3h 06m
$90
MiamiChicago
MIA - MDW
MIAMDW
Miami
火 3/11
12:42 pm-3:13 pm
Nonstop3h 31m
Chicago Midway
火 3/25
7:25 am-11:37 am
Nonstop3h 12m
$95
MiamiChicago
MIA - ORD
MIAORD
Miami
火 4/8
6:25 am-12:10 am
1 stop18h 45m
Chicago O'Hare Intl
火 4/15
7:00 pm-11:12 pm
Nonstop3h 12m
$97
MiamiChicago
MIA - ORD
MIAORD
Miami
火 3/4
9:42 pm-8:13 am
1 stop11h 31m
Chicago O'Hare Intl
木 3/6
4:31 pm-12:35 am
1 stop7h 04m
$125
MiamiSt. Louis
MIA - STL
MIASTL
Miami
木 3/27
6:25 am-9:16 am
1 stop27h 51m
Lambert-St Louis
水 4/2
6:51 pm-4:55 am
1 stop9h 04m
$160
MiamiChicago
MIA - MDW
MIAMDW
Miami
火 3/25
12:32 pm-3:03 pm
Nonstop3h 31m
Chicago Midway
水 3/26
4:59 pm-12:45 am
1 stop6h 46m
$166
MiamiChicago
MIA - ORD
MIAORD
Miami
水 4/2
6:37 am-9:05 am
Nonstop3h 28m
Chicago O'Hare Intl
水 4/2
10:05 am-2:23 pm
Nonstop3h 18m
$174
MiamiSt. Louis
MIA - STL
MIASTL
Miami
水 4/30
3:36 pm-5:37 pm
Nonstop3h 01m
Lambert-St Louis
火 5/6
6:20 pm-10:08 pm
Nonstop2h 48m
$179
MiamiSt. Louis
MIA - STL
MIASTL
Miami
火 4/29
8:05 am-12:56 pm
1 stop5h 51m
Lambert-St Louis
火 4/29
5:32 pm-12:48 am
1 stop6h 16m
$199
MiamiChicago
MIA - ORD
MIAORD
Miami
土 4/26
6:00 am-10:03 am
1 stop5h 03m
Chicago O'Hare Intl
土 4/26
3:30 pm-11:37 pm
1 stop7h 07m
$217
Showing 1-10 of 59 results
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, August is the cheapest month in which you can book a flight from Florida Keys to Illinois (average of $245). Flying from Florida Keys 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 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 2月 22, 2025.
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 2月 22, 2025.
The most flights from zzEOA to USIL are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 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 2月 22, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Florida Keys to Illinois. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.1
Food
7.1
Overall
8.1
Boarding
8.2
Crew
8.7
Entertainment
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Comfort
8.1
Food
7.1
Overall
8.1
Boarding
8.2
Crew
8.7
Entertainment
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Comfort
8.1
Food
7.1
Overall
8.1
Boarding
8.2
Crew
8.7
Entertainment
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Comfort
8.1
Food
7.1
Overall
8.1
Boarding
8.2
Crew
8.7
Entertainment
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Comfort
8.1
Food
7.1
Overall
8.1
Boarding
8.2
Crew
8.7
Entertainment
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Comfort
8.1
Food
7.1
Overall
8.1
Boarding
8.2
Crew
8.7
Entertainment
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
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.
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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.
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 2,558,603 searches. Data last updated 2月 22, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$211 | Average$381 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$224 | Average$379 | FlexibilityNo cancel fee | On-time69% |