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Cheap flights from Missouri to Florida Keys from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Florida Keys departing on 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Missouri to Florida Keys

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:45 pm - 12:47 am
MCI
-
MIA
11h 02m1 stop
Frontier Logo
5:30 am - 11:50 am
MIA
-
MCI
7h 20m1 stop
$155Frontier
Mon, Jan 26 - Mon, Feb 2
Frontier Logo
12:45 pm - 12:47 am
MCI
-
MIA
11h 02m1 stop
Frontier Logo
5:30 am - 11:50 am
MIA
-
MCI
7h 20m1 stop
$156Frontier
Mon, Jan 26 - Mon, Feb 2
Multiple Airlines Logo
8:36 pm - 5:14 am
MCI
-
MIA
7h 38m1 stop
Multiple Airlines Logo
8:15 am - 10:30 am
MIA
-
MCI
27h 15m2 stops
$176Multiple Airlines
Sat, Feb 21 - Sat, Feb 28
Multiple Airlines Logo
12:45 pm - 12:47 am
MCI
-
MIA
11h 02m1 stop
Multiple Airlines Logo
5:30 am - 10:31 am
MIA
-
MCI
30h 01m2 stops
$186Multiple Airlines
Fri, Jan 23 - Sun, Jan 25
American Airlines Logo
11:22 am - 7:19 pm
STL
-
EYW
6h 57m1 stop
American Airlines Logo
6:45 am - 10:32 am
EYW
-
STL
4h 47m1 stop
$223American Airlines
Wed, Mar 18 - Wed, Mar 25
Delta Logo
7:10 am - 5:15 pm
STL
-
MIA
9h 05m1 stop
Delta Logo
10:33 am - 11:36 pm
MIA
-
STL
14h 03m1 stop
$223Delta
Tue, Jan 27 - Wed, Feb 25
American Airlines Logo
1:36 pm - 11:56 pm
STL
-
EYW
9h 20m2 stops
American Airlines Logo
6:45 am - 10:32 am
EYW
-
STL
4h 47m1 stop
$228American Airlines
Wed, Mar 18 - Wed, Mar 25
Delta Logo
5:00 pm - 12:51 am
SGF
-
MIA
6h 51m1 stop
Delta Logo
7:15 am - 11:20 am
MIA
-
SGF
5h 05m1 stop
$238Delta
Thu, Jan 8 - Thu, Jan 15
United Airlines Logo
3:00 pm - 9:54 pm
SGF
-
MIA
5h 54m1 stop
United Airlines Logo
11:00 am - 9:58 pm
MIA
-
SGF
11h 58m2 stops
$264United Airlines
Wed, Jan 14 - Fri, Jan 30
United Airlines Logo
3:08 pm - 9:59 pm
SGF
-
MIA
5h 51m1 stop
United Airlines Logo
12:00 pm - 8:59 pm
MIA
-
SGF
9h 59m1 stop
$286United Airlines
Fri, Feb 27 - Mon, Mar 9

Frontier flights from Missouri to Florida Keys

Our best Frontier deals on Missouri to Florida Keys flight tickets
Frontier
Jan 26
MCI12:45 pmKansas City
11h 02m
1 stop
MIA12:47 amMiami
Feb 2
MIA5:30 amMiami
7h 20m
1 stop
MCI11:50 amKansas City
$155
Find similar
Frontier
Jan 26
MCI12:45 pmKansas City
11h 02m
1 stop
MIA12:47 amMiami
Feb 2
MIA5:30 amMiami
7h 20m
1 stop
MCI11:50 amKansas City
$156
Find similar
Frontier
Jan 18
MCI8:27 pmKansas City
8h 21m
1 stop
MIA5:48 amMiami
Jan 22
MIA5:47 pmMiami
27h 04m
1 stop
MCI7:51 pmKansas City
$173
Find similar

Spirit Airlines flights from Missouri to Florida Keys

Our best Spirit Airlines deals on Missouri to Florida Keys flight tickets
Spirit Airlines
Jan 11
MCI11:26 amKansas City
23h 30m
2 stops
MIA11:56 amMiami
Jan 15
MIA7:00 amMiami
28h 31m
2 stops
MCI10:31 amKansas City
$206
Find similar
Spirit Airlines
Jan 11
MCI11:26 amKansas City
23h 30m
2 stops
MIA11:56 amMiami
Jan 14
MIA1:01 pmMiami
22h 30m
3 stops
MCI10:31 amKansas City
$220
Find similar
Spirit Airlines
Jan 8
MCI11:26 amKansas City
23h 30m
2 stops
MIA11:56 amMiami
Jan 15
MIA7:00 amMiami
28h 31m
3 stops
MCI10:31 amKansas City
$226
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from Missouri to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityMiami

MCI - MIA

MCIMIA

Kansas City

Mon 1/26

12:45 pm-12:47 am

1 stop11h 02m

Miami

Mon 2/2

5:30 am-11:50 am

1 stop7h 20m

$155

Kansas CityMiami

MCI - MIA

MCIMIA

Kansas City

Mon 1/26

12:45 pm-12:47 am

1 stop11h 02m

Miami

Mon 2/2

5:30 am-11:50 am

1 stop7h 20m

$156

Kansas CityMiami

MCI - MIA

MCIMIA

Kansas City

Sat 2/21

8:36 pm-5:14 am

1 stop7h 38m

Miami

Sat 2/28

8:15 am-10:30 am

2 stops27h 15m

$176

Kansas CityMiami

MCI - MIA

MCIMIA

Kansas City

Fri 1/23

12:45 pm-12:47 am

1 stop11h 02m

Miami

Sun 1/25

5:30 am-10:31 am

2 stops30h 01m

$186

St. LouisKey West

STL - EYW

STLEYW

Lambert-St Louis

Wed 3/18

11:22 am-7:19 pm

1 stop6h 57m

Key West

Wed 3/25

6:45 am-10:32 am

1 stop4h 47m

$223

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 1/27

7:10 am-5:15 pm

1 stop9h 05m

Miami

Wed 2/25

10:33 am-11:36 pm

1 stop14h 03m

$223

St. LouisKey West

STL - EYW

STLEYW

Lambert-St Louis

Wed 3/18

1:36 pm-11:56 pm

2 stops9h 20m

Key West

Wed 3/25

6:45 am-10:32 am

1 stop4h 47m

$228

SpringfieldMiami

SGF - MIA

SGFMIA

Springfield-Branson

Thu 1/8

5:00 pm-12:51 am

1 stop6h 51m

Miami

Thu 1/15

7:15 am-11:20 am

1 stop5h 05m

$238

SpringfieldMiami

SGF - MIA

SGFMIA

Springfield-Branson

Wed 1/14

3:00 pm-9:54 pm

1 stop5h 54m

Miami

Fri 1/30

11:00 am-9:58 pm

2 stops11h 58m

$264

SpringfieldMiami

SGF - MIA

SGFMIA

Springfield-Branson

Fri 2/27

3:08 pm-9:59 pm

1 stop5h 51m

Miami

Mon 3/9

12:00 pm-8:59 pm

1 stop9h 59m

$286

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Florida Keys from

How to get the cheapest flight ticket from Missouri to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Florida Keys?

The month of October is another great option to travel to Florida Keys, with average flight prices from Missouri averaging around $329.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Missouri to Florida Keys is on a Sunday when prices can be found for as low as $555. The most expensive day to fly to Florida Keys is Thursday, with ticket prices averaging around $591.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the evening. momondo users have found flights departing from Missouri to Florida Keys in the evening for as low as $469. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $590.

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

You are more likely to see cheaper flights to Florida Keys from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $399 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Missouri for as low as $322 on momondo.

Can stopping save me money on Missouri to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Missouri to Florida Keys.

Cheap Missouri to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Florida Keys

Fastest flight time

2h 40m

Direct flights

Every day

Airports in Florida Keys

3 airports
The fastest flight from Missouri to Florida Keys takes 2h 40m
Direct flights go from Missouri to Florida Keys every day.
There are 3 airports in Florida Keys. From Missouri there are direct flights to Miami (MIA).
Search flight deals

  • When did momondo last update prices for flights from Missouri to Florida Keys?

    Prices for flights from Missouri to Florida Keys refresh daily.

  • How many operators does momondo search for flights from Missouri to Florida Keys?

  • How old do you have to be to fly from Missouri to Florida Keys?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Florida Keys.

  • What documentation or ID do you need to fly to Florida Keys?

    The required travel and health documents for your Florida Keys trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Florida Keys. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Missouri to Florida Keys?

Best airlines flying from Missouri to Florida Keys

Compare and see reviews for airlines that fly from Missouri to Florida Keys with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $189Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $226Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Florida Keys?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missouri to Florida Keys for you.

Can I find flights from Missouri to Florida Keys with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Missouri to Florida Keys flights to just show those with flexible booking policies.

How can momondo help me find flights from Missouri to Florida Keys?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Florida Keys from Missouri.

I’m not ready to book a flight from Missouri to Florida Keys right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Missouri to Florida Keys flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Florida Keys

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