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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$87 CHEAP FLIGHTS from Illinois to Key West

EYW

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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

Tue, Apr 7 - Tue, Apr 14

6:00 am - 3:24 pm

STL

EYW

8h 24m

1 stop

6:49 pm - 11:46 pm

EYW

STL

5h 57m

1 stop

$223American Airlines

Tue, Apr 7 - Tue, Apr 14

12:59 pm - 10:58 pm

STL

EYW

8h 59m

2 stops

6:49 pm - 11:46 pm

EYW

STL

5h 57m

1 stop

$228American Airlines

Wed, Mar 11 - Tue, Mar 17

4:51 pm - 9:06 am

STL

EYW

15h 15m

1 stop

1:01 pm - 10:37 am

EYW

STL

22h 36m

2 stops

$272Multiple Airlines

Sat, Apr 11 - Thu, Apr 16

12:02 pm - 7:41 pm

BMI

EYW

6h 39m

1 stop

6:23 pm - 10:21 pm

EYW

BMI

4h 58m

1 stop

$279Delta

Fri, Aug 21 - Tue, Aug 25

8:10 am - 3:06 pm

PIA

EYW

5h 56m

1 stop

7:00 am - 1:41 pm

EYW

PIA

7h 41m

1 stop

$289United Airlines

Sat, Apr 25 - Wed, Apr 29

5:17 pm - 3:48 pm

MLI

EYW

21h 31m

1 stop

12:39 pm - 8:34 am

EYW

MLI

20h 55m

1 stop

$290Allegiant Air

Mon, Mar 16 - Fri, Mar 20

4:36 pm - 11:30 am

ORD

EYW

17h 54m

1 stop

1:06 pm - 11:38 pm

EYW

ORD

11h 32m

1 stop

$296Multiple Airlines

Thu, Mar 19 - Tue, Mar 24

5:55 pm - 10:19 pm

ORD

EYW

3h 24mnonstop

6:28 pm - 11:44 pm

EYW

ORD

6h 16m

1 stop

$300United Airlines

Sat, Jun 27 - Fri, Jul 3

8:36 am - 1:16 pm

MLI

EYW

27h 40m

1 stop

3:27 pm - 7:47 am

EYW

MLI

17h 20m

1 stop

$305Allegiant Air

Mon, Apr 27 - Wed, May 6

6:00 am - 1:44 pm

MDW

EYW

6h 44m

1 stop

6:23 pm - 10:28 pm

EYW

MDW

5h 05m

1 stop

$314Delta

Useful Info

Low season	September
High season	March
Cheapest flight	$87

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly with an average 9% 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

Everything you need to know for your flight to Key West

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Complete your trip

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Origins

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

Key West (EYW)

EYW

$87 Find Cheap Flights from Illinois to Key West

KAYAK searches hundreds of travel sites at once for deals on flights to Key West

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

Good to know

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?

Everything you need to know for your flight to Key West

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

Cabin class types available on flights to Illinois

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

Find direct flights for Key West

Flights to other popular destinations

Flights from domestic origins to Key West

Choose which airport to fly into in Key West

Find deals for your return flight