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.

$128 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

Wed, Aug 5 - Fri, Aug 7

5:57 pm - 1:31 pm

MLI

EYW

18h 34m

1 stop

3:27 pm - 7:54 am

EYW

MLI

17h 27m

1 stop

$263Allegiant Air

Sat, Aug 22 - Wed, Aug 26

5:02 pm - 11:25 am

STL

EYW

17h 23m

1 stop

11:46 am - 5:22 pm

EYW

STL

30h 36m

2 stops

$275Multiple Airlines

Sun, Aug 16 - Sun, Aug 23

6:34 pm - 12:34 pm

STL

EYW

41h 00m

2 stops

12:05 pm - 3:28 pm

EYW

STL

28h 23m

1 stop

$284Multiple Airlines

Thu, Aug 20 - Thu, Aug 27

5:02 pm - 11:27 am

STL

EYW

17h 25m

1 stop

11:04 am - 5:22 pm

EYW

STL

31h 18m

2 stops

$285Multiple Airlines

Sun, Aug 9 - Sun, Aug 16

6:34 pm - 12:34 pm

STL

EYW

41h 00m

2 stops

9:42 pm - 11:59 pm

EYW

STL

27h 17m

1 stop

$287Multiple Airlines

Sat, Aug 22 - Wed, Aug 26

1:04 pm - 7:57 pm

STL

EYW

5h 53m

1 stop

11:48 am - 4:17 pm

EYW

STL

5h 29m

1 stop

$293Delta

Wed, Jul 29 - Wed, Aug 5

11:20 am - 3:41 pm

ORD

EYW

3h 21mnonstop

4:56 pm - 7:48 pm

EYW

ORD

3h 52mnonstop

$309American Airlines

Mon, Aug 24 - Mon, Aug 31

6:00 am - 1:00 pm

BMI

EYW

6h 00m

1 stop

6:15 pm - 11:16 pm

EYW

BMI

6h 01m

1 stop

$319Delta

Thu, Aug 27 - Mon, Aug 31

11:59 am - 4:18 pm

ORD

EYW

3h 19mnonstop

8:09 pm - 12:35 am

EYW

ORD

5h 26m

1 stop

$319American Airlines

Sat, Nov 14 - Wed, Nov 18

9:45 am - 3:16 pm

BMI

EYW

28h 31m

1 stop

2:55 pm - 9:15 pm

EYW

BMI

31h 20m

2 stops

$702United Airlines

Useful Info

Low season	September
High season	February
Cheapest flight	$128

Best time to beat the crowds with an average 4% drop in price.

Most popular time to fly with an average 3% 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)

EYW

$128 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

Recent last minute flight deals from Illinois to Key West

Recent direct flight deals from Illinois to Key West

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Traveling to a place near Key West?

Everything you need to know for your flight to Key West

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Cabin class types available on flights to Illinois

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

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