$66 Find Cheap Flights from Missouri to Florida Keys

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1 adult, Economy

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Useful Info

Good to know

Low seasonSeptember
High seasonDecember
Cheapest flight$66
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 17% 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 from Missouri to Florida Keys 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 from Missouri to Florida Keys with an airline and back 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 from Missouri to Florida Keys up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Florida Keys?

    Based on KAYAK data, the cheapest day to fly to Florida Keys is Wednesday where round-trip tickets can be as cheap as $532. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $592 on average.

  • What is the cheapest time of day to fly to Florida Keys?

    The cheapest time of day to fly to Florida Keys is generally at night, when round-trip flights cost $482 on average. Morning departures are around 7% more expensive than evening flights, on average. The most expensive time of day to fly to Florida Keys is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $605.

  • What is the cheapest month to fly from Missouri to Florida Keys?

    The cheapest month for flights from Missouri to Florida Keys is September, when tickets cost $296 (return) on average. On the other hand, the most expensive months are May and March, when the average cost of round-trip tickets is $528 and $495 respectively.

  • How far in advance should I book a flight from Missouri to Florida Keys?

    To get a below average price on the flight from Missouri to Florida Keys, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

  • How long is the flight to Florida Keys?

    An average nonstop flight from Missouri to Florida Keys takes 8h 08m, covering a distance of 1139 miles. The shortest route is St. Louis (STL) to Miami (MIA) with an average flight time of 2h 40m.

  • What are the most popular destinations in Florida Keys?

    Based on KAYAK flight searches, the most popular destination is Miami (90% of total searches to Florida Keys). The next most popular destination is Key West (10%).

Book cheap flights from Missouri to Florida Keys

Recent round-trip flight deals

8/28Thu
nonstopAmerican Airlines
2h 48mSTL-MIA
9/3Wed
nonstopAmerican Airlines
2h 50mMIA-STL
$133
8/4Mon
nonstopAmerican Airlines
3h 12mMCI-MIA
9/4Thu
nonstopAmerican Airlines
3h 28mMIA-MCI
$135
10/17Fri
1 stopSpirit Airlines
9h 09mSTL-MIA
10/23Thu
1 stopSpirit Airlines
12h 51mMIA-STL
$136
10/21Tue
nonstopSouthwest
2h 40mSTL-MIA
10/28Tue
nonstopSouthwest
3h 00mMIA-STL
$142
10/21Tue
nonstopSouthwest
2h 40mSTL-MIA
10/28Tue
1 stopSouthwest
4h 20mMIA-STL
$143
8/31Sun
1 stopFrontier
6h 14mSTL-MIA
9/4Thu
1 stopFrontier
10h 29mMIA-STL
$156
8/24Sun
1 stopSpirit Airlines
17h 48mSTL-MIA
8/30Sat
1 stopSpirit Airlines
21h 39mMIA-STL
$164
7/27Sun
1 stopFrontier
5h 03mSTL-MIA
8/3Sun
1 stopFrontier
8h 34mMIA-STL
$166
8/20Wed
1 stopUnited Airlines
8h 41mMCI-MIA
8/26Tue
1 stopUnited Airlines
6h 33mMIA-MCI
$181
10/18Sat
1 stopUnited Airlines
6h 37mMCI-MIA
10/21Tue
1 stopUnited Airlines
6h 31mMIA-MCI
$212

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Recent one-way flight deals

10/17Fri
1 stopSpirit Airlines
9h 09mSTL-MIA
$66
8/25Mon
nonstopSouthwest
2h 45mSTL-MIA
$67
9/15Mon
nonstopAmerican Airlines
3h 11mMCI-MIA
$68
8/14Thu
nonstopAmerican Airlines
3h 10mMCI-MIA
$69
8/18Mon
1 stopUnited Airlines
6h 26mSTL-MIA
$80
8/11Mon
1 stopFrontier
10h 01mSTL-MIA
$88
7/28Mon
1 stopFrontier
9h 29mMCI-MIA
$91
8/31Sun
1 stopDelta
6h 13mSTL-MIA
$99
8/11Mon
1 stopDelta
6h 33mSTL-MIA
$101
8/9Sat
1 stopUnited Airlines
6h 19mSTL-MIA
$118

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Last minute flights from Missouri to Florida Keys

Last minute flight, train and bus deals

7/14Mon
multi-stopFrontier
8h 19mMCI-MIA
7/21Mon
multi-stopFrontier
14h 04mMIA-MCI
$323
7/11Fri
multi-stopFrontier
11h 45mMCI-MIA
7/14Mon
multi-stopFrontier
5h 21mMIA-MCI
$331
7/12Sat
multi-stopDelta
6h 52mMCI-EYW
7/15Tue
multi-stopDelta
6h 03mEYW-MCI
$339
7/12Sat
multi-stopAmerican Airlines
8h 42mMCI-EYW
7/15Tue
multi-stopAmerican Airlines
5h 27mEYW-MCI
$344
7/14Mon
multi-stopDelta
5h 58mSGF-MIA
7/16Wed
multi-stopDelta
5h 12mMIA-SGF
$357
7/15Tue
nonstopAmerican Airlines
2h 49mSTL-MIA
7/23Wed
nonstopAmerican Airlines
2h 52mMIA-STL
$378
7/12Sat
multi-stop
9h 18mMCI-MIA
7/14Mon
multi-stop
5h 21mMIA-MCI
$462
7/14Mon
multi-stop
25h 33mSTL-MIA
7/21Mon
multi-stop
26h 02mMIA-STL
$482
7/12Sat
multi-stopSpirit Airlines
9h 18mMCI-MIA
7/22Tue
multi-stopSpirit Airlines
23h 01mMIA-MCI
$486
7/12Sat
multi-stopSpirit Airlines
16h 48mMCI-MIA
7/15Tue
multi-stopSpirit Airlines
19h 58mMIA-MCI
$526

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Everything you need to know for your flight to Florida Keys

Cabin class types available on flights to Missouri

Cabin classes available on flights to Missouri. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Florida Keysfrom $418
Business Class flights to Florida Keysfrom $380
Prem Econ Class flights to Florida Keysfrom $252
Economy Class flights to Florida Keysfrom $70

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