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$59 Find cheap flights from Missouri to Florida Keys

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 6/18. 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
Fri 7/12
Fri 7/19

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In the last 7 days travelers have searched 44,148,666 times on KAYAK, and here is why:

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Good to know

Low season

September

High season

March

Cheapest flight

$59
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

8/12Mon
1 stopFrontier
9h 04mSTL-MIA
8/14Wed
1 stopFrontier
9h 06mMIA-STL
$140
8/12Mon
1 stopFrontier
8h 59mSTL-MIA
8/14Wed
1 stopFrontier
9h 52mMIA-STL
$148
9/6Fri
1 stopSpirit Airlines
15h 41mMCI-MIA
9/10Tue
1 stopSpirit Airlines
24h 22mMIA-MCI
$148
8/25Sun
1 stopSpirit Airlines
16h 33mMCI-MIA
8/27Tue
2 stopsSpirit Airlines
21h 09mMIA-MCI
$171
7/8Mon
1 stop
10h 47mMCI-MIA
7/12Fri
1 stop
6h 06mMIA-MCI
$182
7/12Fri
1 stop
9h 11mMCI-MIA
7/17Wed
1 stop
10h 18mMIA-MCI
$185
9/7Sat
nonstopAmerican Airlines
2h 51mSTL-MIA
9/14Sat
nonstopAmerican Airlines
2h 59mMIA-STL
$189
8/12Mon
nonstopAmerican Airlines
2h 48mSTL-MIA
8/15Thu
nonstopAmerican Airlines
3h 04mMIA-STL
$197
8/10Sat
1 stopDelta
6h 49mSTL-MIA
8/17Sat
1 stopDelta
5h 42mMIA-STL
$208
8/12Mon
1 stopDelta
6h 06mSTL-MIA
8/17Sat
1 stopDelta
4h 22mMIA-STL
$212

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Recent one-way flight deals

6/18Tue
1 stopFrontier
8h 13mSTL-MIA
$59
6/20Thu
1 stopFrontier
8h 28mSTL-MIA
$64
9/6Fri
1 stopSpirit Airlines
11h 50mMCI-MIA
$86
6/26Wed
2 stopsSpirit Airlines
16h 24mMCI-MIA
$93
11/13Wed
nonstopAmerican Airlines
2h 46mSTL-MIA
$95
8/8Thu
nonstopAmerican Airlines
2h 48mSTL-MIA
$99
7/6Sat
2 stops
12h 44mSTL-MIA
$100
7/29Mon
2 stops
34h 33mSTL-MIA
$107
7/6Sat
1 stopDelta
6h 40mSTL-MIA
$134
7/27Sat
1 stopDelta
5h 58mMCI-MIA
$184

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Search by price

Last minute flights from Missouri to Florida Keys

Last minute flight, train and bus deals

6/17Mon
multi-stopFrontier
8h 47mSTL-MIA
6/20Thu
multi-stopFrontier
8h 02mMIA-STL
$174
6/17Mon
multi-stopFrontier
8h 47mSTL-MIA
7/3Wed
multi-stopFrontier
29h 45mMIA-STL
$229
6/17Mon
multi-stop
32h 13mSTL-MIA
7/3Wed
multi-stop
24h 50mMIA-STL
$333
6/17Mon
multi-stop
8h 36mSTL-MIA
6/20Thu
multi-stop
22h 16mMIA-STL
$350
6/14Fri
multi-stopAmerican Airlines
7h 17mSTL-EYW
6/17Mon
multi-stopAmerican Airlines
6h 36mEYW-STL
$354
6/14Fri
multi-stopAmerican Airlines
9h 18mSTL-EYW
6/17Mon
multi-stopAmerican Airlines
5h 02mEYW-STL
$359
6/15Sat
multi-stopSpirit Airlines
9h 11mMCI-MIA
6/22Sat
multi-stopSpirit Airlines
13h 04mMIA-MCI
$431
6/14Fri
multi-stopSpirit Airlines
8h 52mMCI-MIA
6/19Wed
multi-stopSpirit Airlines
20h 35mMIA-MCI
$470
6/17Mon
multi-stopUnited Airlines
7h 19mSTL-MIA
7/3Wed
multi-stopUnited Airlines
10h 35mMIA-STL
$562
6/15Sat
multi-stopUnited Airlines
8h 56mJLN-MIA
6/18Tue
multi-stopUnited Airlines
11h 21mMIA-JLN
$720

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Flights to Florida Keys

Cabin classes:

$445
$231
$430
$38