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.

$125 CHEAP FLIGHTS from Illinois to Key West

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Cheap Flights from Illinois to Key West

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Key West

Sun, Oct 25 - Thu, Oct 29

8:08 pm - 8:44 amBMI Bloomington-Normal-EYW Key West

11h 36m1 stop Orlando Sanford Intl

8:37 am - 8:04 amEYW Key West-BMI Bloomington-Normal

24h 27m1 stop Tampa St. Petersburg

$251Allegiant Air

Thu, Oct 1 - Tue, Oct 6

6:39 pm - 10:19 amSTL Lambert-St Louis-EYW Key West

14h 40m1 stop Orlando

1:16 pm - 1:10 pmEYW Key West-STL Lambert-St Louis

24h 54m2 stops Tampa Atlanta Hartsfield-Jackson

$259Multiple Airlines

Thu, Oct 1 - Tue, Oct 6

6:39 pm - 10:19 amSTL Lambert-St Louis-EYW Key West

14h 40m1 stop Orlando

1:16 pm - 1:10 pmEYW Key West-STL Lambert-St Louis

24h 54m2 stops Tampa Atlanta Hartsfield-Jackson

$271Multiple Airlines

Wed, Oct 28 - Wed, Nov 4

6:09 am - 1:54 pmSTL Lambert-St Louis-EYW Key West

6h 45m1 stop Newark

4:10 pm - 9:35 pmEYW Key West-STL Lambert-St Louis

6h 25m1 stop Chicago O'Hare Intl

$303United Airlines

Tue, Nov 10 - Tue, Nov 17

8:10 am - 3:06 pmSTL Lambert-St Louis-EYW Key West

5h 56m1 stop Charlotte Douglas

10:18 am - 3:50 pmEYW Key West-STL Lambert-St Louis

6h 32m1 stop Miami

$303American Airlines

Wed, Dec 2 - Sat, Dec 12

10:35 am - 6:01 pmSTL Lambert-St Louis-EYW Key West

6h 26m1 stop Charlotte Douglas

4:49 pm - 11:59 pmEYW Key West-STL Lambert-St Louis

8h 10m1 stop Chicago O'Hare Intl

$303American Airlines

Tue, Nov 10 - Tue, Nov 17

2:31 pm - 8:00 pmSTL Lambert-St Louis-EYW Key West

4h 29m1 stop Atlanta Hartsfield-Jackson

6:05 pm - 11:56 pmEYW Key West-STL Lambert-St Louis

6h 51m1 stop Atlanta Hartsfield-Jackson

$303Delta

Wed, Oct 21 - Wed, Nov 18

2:25 pm - 8:01 pmSTL Lambert-St Louis-EYW Key West

4h 36m1 stop Atlanta Hartsfield-Jackson

2:06 pm - 6:13 pmEYW Key West-STL Lambert-St Louis

5h 07m1 stop Atlanta Hartsfield-Jackson

$303Delta

Wed, Jan 27 - Wed, Feb 3

10:55 am - 3:06 pmORD Chicago O'Hare Intl-EYW Key West

3h 11mnonstop

4:05 pm - 6:30 pmEYW Key West-ORD Chicago O'Hare Intl

3h 25mnonstop

$319United Airlines

Wed, Oct 28 - Sat, Oct 31

6:09 am - 1:54 pmSTL Lambert-St Louis-EYW Key West

6h 45m1 stop Newark

2:50 pm - 10:54 pmEYW Key West-STL Lambert-St Louis

9h 04m1 stop Newark

$321United Airlines

Recent last minute flight deals from Illinois to Key West

Sun, Aug 30 - Wed, Sep 9

3:46 pm - 2:04 pmEVV Evansville Dress Regional-EYW Key West

21h 18m1 stop Tampa St. Petersburg

12:53 pm - 12:51 pmEYW Key West-EVV Evansville Dress Regional

24h 58m1 stop Tampa St. Petersburg

$302Allegiant Air

Sat, Aug 29 - Sun, Aug 30

5:59 pm - 11:35 amORD Chicago O'Hare Intl-EYW Key West

16h 36m1 stop Orlando

6:21 pm - 1:20 pmEYW Key West-ORD Chicago O'Hare Intl

19h 59m1 stop Orlando Sanford Intl

$339Multiple Airlines

Sat, Aug 29 - Mon, Aug 31

5:59 pm - 11:25 amORD Chicago O'Hare Intl-EYW Key West

16h 26m1 stop Orlando

12:07 pm - 11:08 pmEYW Key West-ORD Chicago O'Hare Intl

12h 01m1 stop Orlando

$358Multiple Airlines

Sat, Aug 29 - Tue, Sep 1

1:04 pm - 7:57 pmSTL Lambert-St Louis-EYW Key West

5h 53m1 stop Atlanta Hartsfield-Jackson

1:59 pm - 6:27 pmEYW Key West-STL Lambert-St Louis

5h 28m1 stop Atlanta Hartsfield-Jackson

$403Delta

Tue, Sep 1 - Tue, Sep 8

11:59 am - 4:18 pmORD Chicago O'Hare Intl-EYW Key West

3h 19mnonstop

7:03 pm - 11:30 pmEYW Key West-ORD Chicago O'Hare Intl

5h 27m1 stop Miami

$425American Airlines

Sat, Aug 29 - Thu, Sep 3

12:00 pm - 4:19 pmORD Chicago O'Hare Intl-EYW Key West

3h 19mnonstop

4:56 pm - 7:48 pmEYW Key West-ORD Chicago O'Hare Intl

3h 52mnonstop

$428American Airlines

Sat, Aug 29 - Thu, Sep 3

6:11 am - 2:52 pmMDW Chicago Midway-EYW Key West

7h 41m1 stop Atlanta Hartsfield-Jackson

6:15 pm - 10:36 pmEYW Key West-MDW Chicago Midway

5h 21m1 stop Atlanta Hartsfield-Jackson

$448Delta

Wed, Sep 2 - Wed, Sep 9

6:05 am - 1:00 pmMDW Chicago Midway-EYW Key West

5h 55m1 stop Atlanta Hartsfield-Jackson

6:19 pm - 10:44 pmEYW Key West-MDW Chicago Midway

5h 25m1 stop Atlanta Hartsfield-Jackson

$455Delta

Sat, Aug 29 - Thu, Sep 3

9:40 pm - 1:29 pmORD Chicago O'Hare Intl-EYW Key West

14h 49m2 stops Boston Logan Intl Newark

2:15 pm - 6:07 amEYW Key West-ORD Chicago O'Hare Intl

16h 52m2 stops Newark Cleveland Hopkins Intl

$1,094United Airlines

Sat, Aug 29 - Thu, Sep 3

9:40 pm - 1:29 pmORD Chicago O'Hare Intl-EYW Key West

14h 49m2 stops Boston Logan Intl Newark

2:15 pm - 6:07 amEYW Key West-ORD Chicago O'Hare Intl

16h 52m2 stops Newark Cleveland Hopkins Intl

$1,102United Airlines

Useful Info

Low season	September
High season	February
Cheapest flight	$125

Best time to beat the crowds but there is an average 5% increase in price.

Most popular time to fly with an average 1% increase in price.

Flight from Chicago O'Hare Airport 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.

Little Torch Key

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Key West (EYW)

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$125 Find Cheap Flights from Illinois to Key West - Compare and Save

Cheap Flights from Illinois to Key West

Recent round-trip flight deals from Illinois to Key West

Recent one-way flight deals from Illinois to Key West

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Recent direct flight deals from Illinois to Key West

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FAQs for booking flights from Illinois to Key West

Traveling to a place near Key West?

Everything you need to know for your flight to Key West

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

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Complete your trip to Key West with a hotel stay or car rental

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Choose which airport to fly into in Key West

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