How does KAYAK find such low prices on flights from Missouri 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 Missouri to Key West.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Key West from Missouri 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 Missouri 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 Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri 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 Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$137 CHEAP FLIGHTS from Missouri to Key West

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Flight Deals

Cheap Flights from Missouri to Key West

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Missouri to Key West

Sun, Jan 17 - Thu, Jan 21

5:52 pm - 2:41 pmCOU Columbia Regional-EYW Key West

19h 49m1 stop Tampa St. Petersburg

6:25 pm - 4:57 pmEYW Key West-COU Columbia Regional

23h 32m1 stop Orlando Sanford Intl

$206Allegiant Air

Sun, Jan 17 - Wed, Jan 20

5:52 pm - 2:41 pmCOU Columbia Regional-EYW Key West

19h 49m1 stop Tampa St. Petersburg

5:10 pm - 5:02 pmEYW Key West-COU Columbia Regional

24h 52m1 stop Tampa St. Petersburg

$235Allegiant Air

Sun, Jan 17 - Sat, Jan 23

5:52 pm - 2:41 pmCOU Columbia Regional-EYW Key West

19h 49m1 stop Tampa St. Petersburg

4:07 pm - 5:02 pmEYW Key West-COU Columbia Regional

25h 55m1 stop Tampa St. Petersburg

$238Allegiant Air

Sat, Feb 27 - Tue, Mar 2

7:34 am - 4:14 pmSTL Lambert-St Louis-EYW Key West

7h 40m1 stop Charlotte Douglas

6:32 pm - 10:50 pmEYW Key West-STL Lambert-St Louis

5h 18m1 stop Charlotte Douglas

$343American Airlines

Tue, Nov 24 - Tue, Dec 1

5:00 am - 12:37 pmSTL Lambert-St Louis-EYW Key West

6h 37m1 stop Charlotte Douglas

4:43 pm - 9:50 pmEYW Key West-STL Lambert-St Louis

6h 07m1 stop Miami

$343American Airlines

Tue, Feb 9 - Sat, Feb 13

10:13 am - 4:04 pmSTL Lambert-St Louis-EYW Key West

4h 51m1 stop Atlanta Hartsfield-Jackson

6:00 pm - 11:39 pmEYW Key West-STL Lambert-St Louis

6h 39m1 stop Atlanta Hartsfield-Jackson

$343Delta

Sat, Feb 6 - Sat, Feb 13

10:18 am - 4:04 pmSTL Lambert-St Louis-EYW Key West

4h 46m1 stop Atlanta Hartsfield-Jackson

6:00 pm - 11:39 pmEYW Key West-STL Lambert-St Louis

6h 39m1 stop Atlanta Hartsfield-Jackson

$343Delta

Sat, Feb 27 - Tue, Mar 2

7:34 am - 4:14 pmSTL Lambert-St Louis-EYW Key West

7h 40m1 stop Charlotte Douglas

6:32 pm - 10:50 pmEYW Key West-STL Lambert-St Louis

5h 18m1 stop Charlotte Douglas

$343American Airlines

Thu, Mar 11 - Tue, Mar 23

6:30 am - 2:32 pmSTL Lambert-St Louis-EYW Key West

7h 02m1 stop Newark

4:45 pm - 10:12 pmEYW Key West-STL Lambert-St Louis

6h 27m1 stop Houston George Bush Intcntl

$426United Airlines

Fri, Nov 27 - Fri, Dec 4

7:30 am - 3:29 pmSTL Lambert-St Louis-EYW Key West

6h 59m1 stop Chicago O'Hare Intl

4:10 pm - 10:59 pmEYW Key West-STL Lambert-St Louis

7h 49m1 stop Chicago O'Hare Intl

$439United Airlines

Recent last minute flight deals from Missouri to Key West

Tue, Nov 3 - Wed, Dec 2

10:48 am - 12:04 pmSGF Springfield-Branson-EYW Key West

24h 16m1 stop Tampa St. Petersburg

4:40 pm - 8:13 amEYW Key West-SGF Springfield-Branson

16h 33m1 stop Tampa St. Petersburg

$269Allegiant Air

Wed, Nov 4 - Wed, Nov 11

8:43 pm - 10:19 amMCI Kansas City-EYW Key West

36h 36m2 stops Denver Intl Orlando

12:54 pm - 9:31 amEYW Key West-MCI Kansas City

21h 37m1 stop Tampa St. Petersburg

$343Multiple Airlines

Sun, Nov 1 - Wed, Nov 4

11:16 am - 1:54 pmMCI Kansas City-EYW Key West

25h 38m1 stop Tampa St. Petersburg

12:54 pm - 9:31 amEYW Key West-MCI Kansas City

21h 37m1 stop Tampa St. Petersburg

$394Allegiant Air

Wed, Nov 4 - Wed, Nov 11

9:12 am - 4:32 pmMCI Kansas City-EYW Key West

6h 20m1 stop Chicago O'Hare Intl

2:26 pm - 10:02 pmEYW Key West-MCI Kansas City

8h 36m1 stop Dallas/Fort Worth

$439American Airlines

Wed, Nov 4 - Wed, Nov 11

7:26 am - 4:32 pmSTL Lambert-St Louis-EYW Key West

8h 06m1 stop Chicago O'Hare Intl

6:25 pm - 11:59 pmEYW Key West-STL Lambert-St Louis

6h 34m1 stop Chicago O'Hare Intl

$443American Airlines

Wed, Nov 4 - Sat, Nov 7

7:26 am - 4:32 pmSTL Lambert-St Louis-EYW Key West

8h 06m1 stop Chicago O'Hare Intl

10:18 am - 5:54 pmEYW Key West-STL Lambert-St Louis

8h 36m2 stops Miami Dallas/Fort Worth

$474American Airlines

Sat, Oct 31 - Mon, Nov 2

8:30 am - 3:29 pmSTL Lambert-St Louis-EYW Key West

5h 59m1 stop Chicago O'Hare Intl

2:50 pm - 9:52 pmEYW Key West-STL Lambert-St Louis

8h 02m1 stop Newark

$486United Airlines

Tue, Nov 3 - Tue, Nov 10

6:00 am - 2:20 pmSTL Lambert-St Louis-EYW Key West

7h 20m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 11:56 pmEYW Key West-STL Lambert-St Louis

6h 48m1 stop Atlanta Hartsfield-Jackson

$666Delta

Wed, Nov 4 - Sat, Nov 7

12:35 pm - 8:01 pmMCI Kansas City-EYW Key West

6h 26m1 stop Atlanta Hartsfield-Jackson

7:40 am - 1:24 pmEYW Key West-MCI Kansas City

6h 44m1 stop Atlanta Hartsfield-Jackson

$779Delta

Thu, Nov 5 - Thu, Nov 12

6:50 pm - 1:52 pmSTL Lambert-St Louis-EYW Key West

18h 02m3 stops Chicago O'Hare Intl Madison Truax Field Newark

4:10 pm - 9:40 pmEYW Key West-STL Lambert-St Louis

6h 30m1 stop Chicago O'Hare Intl

$814United Airlines

Useful Info

Low season	September
High season	February
Cheapest flight	$137

Best time to beat the crowds but there is an average 6% increase in price.

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

Flight from St. Louis to Key West

How does KAYAK find such low prices on flights from Missouri 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 Missouri to Key West.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Key West?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Key West from Missouri 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 Missouri 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 Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri 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 Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.