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>

$110 CHEAP FLIGHTS from Illinois to Key West

EYW

KAYAK searches hundreds of travel sites at once for deals on flights 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, May 24 - Thu, May 28

8:14 pm - 11:27 am

BMI

EYW

14h 13m

1 stop

11:04 am - 8:51 am

EYW

BMI

22h 47m

1 stop

$284Multiple Airlines

Wed, May 27 - Sun, May 31

10:59 am - 1:24 pm

PIA

EYW

25h 25m

1 stop

9:24 pm - 7:09 pm

EYW

PIA

22h 45m

1 stop

$289Allegiant Air

Fri, May 29 - Tue, Jun 2

9:13 am - 5:23 pm

STL

EYW

7h 10m

1 stop

7:30 am - 12:20 pm

EYW

STL

5h 50m

1 stop

$293Delta

Tue, Jul 21 - Tue, Jul 28

11:00 am - 7:06 pm

STL

EYW

7h 06m

1 stop

1:41 pm - 8:55 pm

EYW

STL

8h 14m

2 stops

$298American Airlines

Tue, Jul 21 - Tue, Jul 28

7:31 am - 7:06 pm

STL

EYW

10h 35m

2 stops

1:01 pm - 9:21 pm

EYW

STL

9h 20m

2 stops

$303American Airlines

Sat, May 23 - Wed, May 27

9:45 am - 10:24 am

PIA

EYW

23h 39m

1 stop

5:12 pm - 7:55 am

EYW

PIA

15h 43m

1 stop

$313Multiple Airlines

Thu, May 28 - Sun, May 31

8:14 pm - 2:01 pm

BMI

EYW

16h 47m

1 stop

4:10 pm - 8:51 am

EYW

BMI

17h 41m

1 stop

$314Allegiant Air

Sat, Sep 5 - Wed, Sep 9

11:00 am - 7:45 pm

MLI

EYW

7h 45m

1 stop

6:00 pm - 10:30 pm

EYW

MLI

5h 30m

1 stop

$323Delta

Sat, Oct 24 - Wed, Oct 28

3:52 pm - 10:11 pm

MLI

EYW

5h 19m

1 stop

2:30 pm - 12:14 am

EYW

MLI

10h 44m

2 stops

$328United Airlines

Sat, May 9 - Tue, May 12

6:30 am - 3:07 pm

PIA

EYW

7h 37m

1 stop

4:05 pm - 10:49 pm

EYW

PIA

7h 44m

1 stop

$399United Airlines

Useful Info

Low season	September
High season	June
Cheapest flight	$110

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

Most popular time to fly and prices are also 2% lower on average.

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

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

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

Key West (EYW)

EYW

$110 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