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Find cheap flights from Missouri to Florida Keys from $76

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 6/29. 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
Sat 7/6
Sat 7/13

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In the last 7 days travelers have searched 43,995,393 times on KAYAK, and here is why:

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Good to know

Low season

September

High season

March

Cheapest flight

$76
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly with an average 10% 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
$146
8/12Mon
1 stopFrontier
9h 04mSTL-MIA
8/14Wed
1 stopFrontier
9h 52mMIA-STL
$148
9/6Fri
1 stopSpirit Airlines
23h 26mMCI-MIA
9/10Tue
1 stopSpirit Airlines
27h 29mMIA-MCI
$148
9/8Sun
1 stopSpirit Airlines
11h 50mMCI-MIA
9/10Tue
1 stopSpirit Airlines
24h 22mMIA-MCI
$158
7/5Fri
1 stop
9h 11mMCI-MIA
7/10Wed
1 stop
10h 18mMIA-MCI
$185
8/17Sat
nonstopAmerican Airlines
2h 48mSTL-MIA
8/21Wed
nonstopAmerican Airlines
3h 04mMIA-STL
$189
7/4Thu
1 stop
28h 19mMCI-MIA
7/10Wed
1 stop
10h 18mMIA-MCI
$191
9/10Tue
1 stopAmerican Airlines
5h 02mSTL-EYW
9/17Tue
1 stopAmerican Airlines
6h 20mEYW-STL
$198
9/17Tue
1 stopDelta
4h 42mMCI-EYW
9/21Sat
1 stopDelta
6h 30mEYW-MCI
$216
8/24Sat
1 stopDelta
6h 35mSGF-EYW
8/27Tue
1 stopDelta
4h 27mEYW-SGF
$216

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Recent one-way flight deals

6/29Sat
1 stopFrontier
8h 51mSTL-MIA
$76
6/11Tue
1 stopFrontier
8h 13mSTL-MIA
$82
6/18Tue
3 stopsSpirit Airlines
30h 23mSTL-MIA
$85
7/2Tue
nonstopAmerican Airlines
2h 50mSTL-MIA
$95
8/5Mon
1 stopSpirit Airlines
19h 31mMCI-MIA
$98
6/28Fri
2 stops
34h 59mSTL-MIA
$107
7/3Wed
2 stops
11h 53mSTL-MIA
$114
11/13Wed
nonstopAmerican Airlines
2h 46mSTL-MIA
$120
11/13Wed
1 stopDelta
5h 54mSTL-MIA
$129
6/30Sun
1 stopDelta
6h 34mSTL-MIA
$189

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Last minute flights from Missouri to Florida Keys

Last minute flight, train and bus deals

6/8Sat
multi-stopFrontier
8h 51mSTL-MIA
7/5Fri
multi-stopFrontier
27h 00mMIA-STL
$196
6/11Tue
multi-stopFrontier
13h 06mSTL-MIA
6/18Tue
multi-stopFrontier
19h 12mMIA-STL
$206
6/11Tue
multi-stop
9h 09mMCI-MIA
6/14Fri
multi-stop
13h 09mMIA-MCI
$268
6/10Mon
multi-stopAmerican Airlines
5h 51mSTL-EYW
6/17Mon
multi-stopAmerican Airlines
6h 02mEYW-STL
$345
6/10Mon
multi-stopAmerican Airlines
7h 40mSTL-EYW
6/17Mon
multi-stopAmerican Airlines
6h 02mEYW-STL
$350
6/11Tue
multi-stopSpirit Airlines
38h 47mMCI-MIA
6/15Sat
multi-stopSpirit Airlines
17h 49mMIA-MCI
$363
6/11Tue
multi-stop
33h 35mSTL-MIA
6/18Tue
multi-stop
24h 26mMIA-STL
$372
6/11Tue
multi-stopSpirit Airlines
14h 05mMCI-MIA
6/15Sat
multi-stopSpirit Airlines
17h 49mMIA-MCI
$374
6/8Sat
multi-stopDelta
9h 29mSTL-MIA
7/5Fri
multi-stopDelta
7h 31mMIA-STL
$633
6/7Fri
multi-stopDelta
6h 01mSTL-MIA
6/10Mon
multi-stopDelta
7h 21mMIA-STL
$646

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Flights to Florida Keys

Cabin classes:

$414
$231
$388
$38