$79 Find Cheap Flights from Missouri to Florida Keys

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1 adult, Economy

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Useful Info
Useful Info

Good to know

Low seasonSeptember
High seasonDecember
Cheapest flight$79
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 $535. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $593 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 6% 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 $310 (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 4 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 7h 23m, 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 (91% of total searches to Florida Keys). The next most popular destination is Key West (9%).

Book cheap flights from Missouri to Florida Keys

Recent round-trip flight deals

9/12Fri
1 stopSpirit Airlines
9h 09mSTL-MIA
9/21Sun
1 stopSpirit Airlines
12h 51mMIA-STL
$174
9/19Fri
1 stopSpirit Airlines
9h 09mSTL-MIA
9/21Sun
1 stopSpirit Airlines
12h 51mMIA-STL
$175
9/17Wed
nonstopAmerican Airlines
2h 49mSTL-MIA
9/24Wed
nonstopAmerican Airlines
2h 50mMIA-STL
$181
7/9Wed
nonstopAmerican Airlines
2h 49mSTL-MIA
7/16Wed
nonstopAmerican Airlines
2h 52mMIA-STL
$191
8/30Sat
1 stop
9h 36mSTL-MIA
9/7Sun
1 stop
12h 51mMIA-STL
$196
7/28Mon
1 stopDelta
5h 04mSTL-MIA
7/31Thu
1 stopDelta
5h 11mMIA-STL
$201
8/30Sat
1 stop
9h 36mSTL-MIA
9/7Sun
1 stop
12h 51mMIA-STL
$208
7/8Tue
1 stopDelta
8h 17mSTL-MIA
7/15Tue
1 stopDelta
5h 30mMIA-STL
$211
8/24Sun
1 stopFrontier
9h 36mSTL-MIA
8/30Sat
1 stopFrontier
7h 28mMIA-STL
$213
8/23Sat
1 stopFrontier
7h 24mSTL-MIA
8/30Sat
1 stopFrontier
7h 28mMIA-STL
$221

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Recent one-way flight deals

8/18Mon
1 stopSpirit Airlines
9h 09mSTL-MIA
$79
9/4Thu
1 stopSpirit Airlines
9h 09mSTL-MIA
$87
10/29Wed
nonstopAmerican Airlines
2h 46mSTL-MIA
$91
7/29Tue
nonstopSouthwest
2h 50mSTL-MIA
$100
8/31Sun
1 stopDelta
5h 33mSTL-MIA
$101
8/11Mon
1 stopFrontier
9h 29mMCI-MIA
$103
9/10Wed
nonstopAmerican Airlines
3h 11mMCI-MIA
$107
8/11Mon
1 stopFrontier
10h 01mSTL-MIA
$108
8/4Mon
nonstopSouthwest
3h 05mMCI-MIA
$109
7/12Sat
1 stopDelta
7h 24mSGF-MIA
$109

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Last minute flights from Missouri to Florida Keys

Last minute flight, train and bus deals

6/14Sat
multi-stop
10h 01mSTL-MIA
6/19Thu
multi-stop
7h 53mMIA-STL
$337
6/15Sun
multi-stop
14h 18mSTL-MIA
6/20Fri
multi-stop
7h 53mMIA-STL
$343
6/14Sat
multi-stopAmerican Airlines
6h 29mMCI-EYW
6/17Tue
multi-stopAmerican Airlines
5h 35mEYW-MCI
$349
6/16Mon
multi-stopFrontier
8h 15mMCI-MIA
6/23Mon
multi-stopFrontier
5h 20mMIA-MCI
$350
6/14Sat
multi-stopAmerican Airlines
6h 48mMCI-EYW
6/17Tue
multi-stopAmerican Airlines
5h 35mEYW-MCI
$354
6/16Mon
multi-stopFrontier
9h 29mMCI-MIA
6/18Wed
multi-stopFrontier
13h 25mMIA-MCI
$356
6/13Fri
multi-stopDelta
5h 01mSGF-MIA
6/16Mon
multi-stopDelta
5h 45mMIA-SGF
$357
6/15Sun
multi-stop
4h 59mSTL-MIA
6/20Fri
multi-stop
7h 53mMIA-STL
$357
6/13Fri
multi-stopDelta
5h 09mSTL-EYW
6/17Tue
multi-stopDelta
6h 07mEYW-STL
$391
6/14Sat
multi-stopAllegiant Air
12h 26mSGF-EYW
6/16Mon
multi-stopAllegiant Air
17h 27mEYW-SGF
$401

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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 $343
Business Class flights to Florida Keysfrom $380
Prem Econ Class flights to Florida Keysfrom $176
Economy Class flights to Florida Keysfrom $72

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