EYW

$115 Find Cheap Flights from Illinois to Key West - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Key West departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Illinois to Key West

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Key West that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Key West

Thu, Aug 13 - Thu, Aug 20
Multiple Airlines Logo
5:13 pm - 11:27 am
ORD
-
EYW
17h 14m
1 stop
Multiple Airlines Logo
11:04 am - 7:59 pm
EYW
-
ORD
9h 55m
2 stops
$236Multiple Airlines
Thu, Aug 13 - Thu, Aug 20
Multiple Airlines Logo
5:13 pm - 11:27 am
ORD
-
EYW
17h 14m
1 stop
Multiple Airlines Logo
11:04 am - 7:59 pm
EYW
-
ORD
9h 55m
2 stops
$239Multiple Airlines
Thu, Oct 29 - Fri, Nov 6
Multiple Airlines Logo
8:00 am - 12:19 pm
ORD
-
EYW
27h 19m
1 stop
Multiple Airlines Logo
12:59 pm - 7:44 pm
EYW
-
ORD
31h 45m
2 stops
$246Multiple Airlines
Sat, Aug 8 - Fri, Aug 14
Allegiant Air Logo
10:12 am - 3:27 pm
MLI
-
EYW
28h 15m
1 stop
Allegiant Air Logo
3:27 pm - 7:54 am
EYW
-
MLI
17h 27m
1 stop
$265Allegiant Air
Sat, Nov 28 - Sat, Dec 5
Delta Logo
9:00 am - 5:11 pm
STL
-
EYW
7h 11m
1 stop
Delta Logo
7:00 am - 12:56 pm
EYW
-
STL
6h 56m
1 stop
$293Delta
Wed, Aug 12 - Wed, Aug 19
Delta Logo
12:46 pm - 7:57 pm
MDW
-
EYW
6h 11m
1 stop
Delta Logo
11:48 am - 4:15 pm
EYW
-
MDW
5h 27m
1 stop
$316Delta
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
5:00 am - 11:51 am
STL
-
EYW
5h 51m
1 stop
United Airlines Logo
4:05 pm - 9:13 pm
EYW
-
STL
6h 08m
1 stop
$318United Airlines
Tue, Sep 15 - Tue, Sep 22
American Airlines Logo
8:03 am - 2:49 pm
MLI
-
EYW
5h 46m
1 stop
American Airlines Logo
1:47 pm - 12:05 am
EYW
-
MLI
11h 18m
2 stops
$334American Airlines
Tue, Sep 15 - Tue, Sep 22
American Airlines Logo
6:00 am - 7:17 pm
MLI
-
EYW
12h 17m
2 stops
American Airlines Logo
1:47 pm - 12:05 am
EYW
-
MLI
11h 18m
2 stops
$339American Airlines
Mon, Dec 21 - Fri, Dec 25
Allegiant Air Logo
8:47 am - 3:07 pm
BMI
-
EYW
5h 20m
1 stop
Allegiant Air Logo
5:32 pm - 8:17 am
EYW
-
BMI
15h 45m
1 stop
$350Allegiant Air
Useful Info

Good to know

Low season

September

Cheapest flight

$115
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Peoria to Key West

FAQs for booking flights from Illinois to Key West

  • How does KAYAK find such low prices on flights from Illinois to Key West?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Key West.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Key West?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Key West from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Key West?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Key West with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Key West?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Key West from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Little Torch Key

Everything you need to know for your flight to Key West

Information on the airport you'll fly into in Key West

Key West (EYW)