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Find cheap flights from Missouri to Florida Keys from $62

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Missouri to Florida Keys departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Tue 7/2
Tue 7/9

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In the last 7 days travelers have searched 42,335,261 times on KAYAK, and here is why:

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Good to know

Low season

September

High season

March

Cheapest flight

$62
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 9% increase in price.
Flight from St. Louis to Miami

FAQs for booking flights from Missouri to Florida Keys

  • How does KAYAK find such low prices on flights from Missouri to Florida Keys?

    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 Florida Keys.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Florida Keys 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 Florida Keys?

    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 Florida Keys 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 Florida Keys?

    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 Florida Keys from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Missouri to Florida Keys

Recent round-trip flight deals

8/31Sat
1 stopFrontier
27h 41mSTL-MIA
9/3Tue
1 stopFrontier
19h 16mMIA-STL
$145
9/9Mon
1 stopSpirit Airlines
18h 49mMCI-MIA
9/14Sat
1 stopSpirit Airlines
14h 00mMIA-MCI
$160
8/26Mon
1 stopFrontier
27h 41mSTL-MIA
9/3Tue
1 stopFrontier
19h 16mMIA-STL
$161
9/7Sat
nonstopAmerican Airlines
2h 49mSTL-MIA
9/14Sat
nonstopAmerican Airlines
3h 01mMIA-STL
$189
9/9Mon
1 stop
27h 56mMCI-MIA
9/14Sat
1 stop
7h 02mMIA-MCI
$190
7/8Mon
1 stop
15h 39mMCI-MIA
7/10Wed
1 stop
10h 18mMIA-MCI
$191
8/17Sat
1 stopAmerican Airlines
4h 55mMCI-EYW
8/20Tue
1 stopAmerican Airlines
5h 21mEYW-MCI
$198
9/11Wed
1 stopDelta
6h 18mMCI-EYW
9/16Mon
1 stopDelta
7h 35mEYW-MCI
$217
8/16Fri
1 stopDelta
4h 47mSTL-EYW
8/19Mon
1 stopDelta
6h 36mEYW-STL
$218
7/15Mon
1 stopSouthwest
8h 20mSTL-MIA
7/18Thu
2 stopsSouthwest
11h 00mMIA-STL
$308

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Recent one-way flight deals

9/10Tue
2 stopsSpirit Airlines
21h 24mSTL-MIA
$62
6/11Tue
2 stopsSpirit Airlines
25h 50mSTL-MIA
$69
6/10Mon
1 stopFrontier
8h 31mSTL-MIA
$78
9/10Tue
1 stopFrontier
25h 09mSTL-MIA
$80
6/12Wed
2 stops
11h 53mSTL-MIA
$90
7/2Tue
nonstopAmerican Airlines
2h 50mSTL-MIA
$95
6/26Wed
2 stops
9h 35mSTL-MIA
$100
6/26Wed
nonstopAmerican Airlines
2h 50mSTL-MIA
$105
8/15Thu
1 stopDelta
5h 58mMCI-MIA
$164
6/10Mon
2 stopsDelta
14h 07mSTL-MIA
$243

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Last minute flights from Missouri to Florida Keys

Last minute flight, train and bus deals

6/5Wed
multi-stopFrontier
27h 58mSTL-MIA
6/12Wed
multi-stopFrontier
24h 15mMIA-STL
$217
6/7Fri
multi-stopFrontier
27h 24mMCI-MIA
6/13Thu
multi-stopFrontier
17h 58mMIA-MCI
$222
6/7Fri
multi-stop
34h 59mSTL-MIA
6/11Tue
multi-stop
11h 20mMIA-STL
$269
6/7Fri
multi-stop
34h 59mSTL-MIA
6/11Tue
multi-stop
15h 25mMIA-STL
$281
6/4Tue
multi-stopAmerican Airlines
8h 14mMCI-EYW
6/11Tue
multi-stopAmerican Airlines
5h 26mEYW-MCI
$373
6/4Tue
multi-stopAmerican Airlines
8h 33mMCI-EYW
6/11Tue
multi-stopAmerican Airlines
5h 30mEYW-MCI
$378
6/7Fri
multi-stopSpirit Airlines
25h 28mMCI-MIA
6/13Thu
multi-stopSpirit Airlines
25h 50mMIA-MCI
$462
6/6Thu
multi-stopSpirit Airlines
18h 00mMCI-MIA
6/10Mon
multi-stopSpirit Airlines
27h 04mMIA-MCI
$465
6/5Wed
multi-stopUnited Airlines
5h 53mSTL-MIA
6/8Sat
multi-stopUnited Airlines
8h 46mMIA-STL
$609
6/5Wed
multi-stopUnited Airlines
7h 01mSTL-EYW
6/7Fri
multi-stopUnited Airlines
29h 13mEYW-STL
$615

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Flights to Florida Keys

Cabin classes:

$441
$231
$394
$39