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Cheap flights from St. Louis to Florida Keys from $61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Florida Keys departing on 1/22. 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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Find the cheapest flights from St. Louis to Florida Keys

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Florida Keys that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Florida Keys.

Cheap last minute flights

Planning a quick getaway from St. Louis to Florida Keys? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Florida Keys, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Florida Keys

Find recent round-trip train or bus tickets from St. Louis to Florida Keys.

All round-trip flight deals to Florida Keys

The cheapest plane tickets to Florida Keys found on KAYAK recently.
6:49 pm - 5:05 pmSTL-MIA
21h 16m1 stop
8:00 am - 9:06 amMIA-STL
26h 06m1 stop
$148Frontier
Find Deal
Fri, Jan 10 - Tue, Jan 14
7:09 pm - 1:54 amSTL-MIA
29h 45m1 stop
8:00 am - 9:16 amMIA-STL
26h 16m1 stop
$160Frontier
Find Deal
Sat, Jan 18 - Tue, Jan 21
4:44 pm - 8:32 pmSTL-MIA
2h 48mnonstop
8:00 pm - 10:28 pmMIA-STL
3h 28mnonstop
$187American Airlines
Find Deal
Tue, Jan 21 - Thu, Jan 30
4:44 pm - 8:32 pmSTL-MIA
2h 48mnonstop
2:09 pm - 4:08 pmMIA-STL
2h 59mnonstop
$192American Airlines
Find Deal
Tue, Jan 28 - Tue, Feb 4
6:50 am - 4:23 pmSTL-MIA
8h 33m1 stop
6:00 am - 11:57 amMIA-STL
6h 57m1 stop
$200Delta
Find Deal
Wed, Apr 2 - Wed, Apr 9
2:00 pm - 9:27 pmSTL-MIA
6h 27m1 stop
6:00 am - 11:47 amMIA-STL
6h 47m1 stop
$206Delta
Find Deal
Tue, Jan 21 - Tue, Jan 28
9:15 am - 1:00 pmSTL-MIA
2h 45mnonstop
6:00 am - 8:05 amMIA-STL
3h 05mnonstop
$256Southwest
Find Deal
Tue, Jan 28 - Sat, Feb 1
9:15 am - 1:00 pmSTL-MIA
2h 45mnonstop
3:50 pm - 7:25 pmMIA-STL
4h 35m1 stop
$267Southwest
Find Deal
Wed, Jan 8 - Wed, Jan 15
11:30 am - 11:59 pmSTL-MIA
11h 29m2 stops
8:45 am - 2:37 pmMIA-STL
6h 52m1 stop
$291United Airlines
Find Deal
Tue, Jan 21 - Thu, Jan 30
8:00 am - 2:49 pmSTL-EYW
5h 49m1 stop
4:07 pm - 9:46 pmEYW-STL
6h 39m1 stop
$303United Airlines
Find Deal
Tue, Feb 4 - Fri, Feb 14
7:09 pm - 1:54 amSTL-MIA
29h 45m1 stop
$61Frontier
Find Deal
Wed, Jan 22
7:09 pm - 11:22 pmSTL-MIA
27h 13m1 stop
$62Frontier
Find Deal
Mon, Jan 27
4:40 pm - 12:51 amSTL-MIA
7h 11m1 stop
$103Delta
Find Deal
Mon, Jan 20
9:15 am - 1:00 pmSTL-MIA
2h 45mnonstop
$114Southwest
Find Deal
Wed, Jan 22
3:48 pm - 11:47 pmSTL-MIA
30h 59m2 stops
$125Spirit Airlines
Find Deal
Tue, Feb 11
4:44 pm - 8:32 pmSTL-MIA
2h 48mnonstop
$129American Airlines
Find Deal
Wed, Jan 29
4:28 pm - 7:41 pmSTL-MIA
26h 13m2 stops
$137Spirit Airlines
Find Deal
Thu, Jan 9
2:00 pm - 8:55 pmSTL-MIA
5h 55m1 stop
$138Delta
Find Deal
Wed, Jan 15
7:00 pm - 10:45 pmSTL-MIA
2h 45mnonstop
$142Southwest
Find Deal
Sat, Mar 1
3:41 pm - 10:22 pmSTL-MIA
5h 41m1 stop
$151American Airlines
Find Deal
Sat, Feb 8
6:25 am - 3:13 pmSTL-EYW
7h 48m1 stop
4:50 pm - 11:59 pmEYW-STL
8h 09m1 stop
$519United Airlines
Find Deal
Wed, Dec 25 - Tue, Dec 31
8:00 am - 3:13 pmSTL-EYW
6h 13m1 stop
4:50 pm - 10:47 amEYW-STL
18h 57m2 stops
$587United Airlines
Find Deal
Wed, Dec 25 - Tue, Dec 31
5:15 am - 9:09 amSTL-MIA
2h 54mnonstop
9:40 pm - 11:51 pmMIA-STL
3h 11mnonstop
$606American Airlines
Find Deal
Fri, Dec 27 - Tue, Dec 31
5:15 am - 9:09 amSTL-MIA
2h 54mnonstop
3:17 pm - 7:00 pmMIA-STL
4h 43m1 stop
$616American Airlines
Find Deal
Fri, Dec 27 - Tue, Dec 31
7:07 pm - 12:56 amSTL-MIA
4h 49m1 stop
2:15 pm - 8:43 pmMIA-STL
7h 28m1 stop
$667Delta
Find Deal
Thu, Dec 26 - Tue, Dec 31
3:10 pm - 10:55 pmSTL-MIA
6h 45m1 stop
4:30 pm - 10:05 pmMIA-STL
6h 35m2 stops
$690Southwest
Find Deal
Fri, Dec 27 - Tue, Dec 31
9:53 am - 3:39 pmSTL-MIA
4h 46m1 stop
10:14 am - 4:12 pmMIA-STL
6h 58m1 stop
$717Delta
Find Deal
Wed, Dec 25 - Wed, Jan 1
6:49 pm - 5:00 amSTL-MIA
9h 11m1 stop
6:00 am - 8:13 amMIA-STL
27h 13m1 stop
$723Frontier
Find Deal
Wed, Dec 25 - Fri, Dec 27
6:00 am - 3:55 pmSTL-MIA
8h 55m2 stops
4:30 pm - 10:05 pmMIA-STL
6h 35m2 stops
$737Southwest
Find Deal
Fri, Dec 27 - Tue, Dec 31
10:09 pm - 5:00 amSTL-MIA
29h 51m1 stop
5:05 am - 9:19 pmMIA-STL
17h 14m1 stop
$758Frontier
Find Deal
Thu, Dec 26 - Thu, Jan 2
4:44 pm - 8:32 pmSTL-MIA
2h 48mnonstop
8:00 pm - 10:28 pmMIA-STL
3h 28mnonstop
$187American Airlines
Find Deal
Tue, Jan 21 - Thu, Jan 30
4:44 pm - 8:32 pmSTL-MIA
2h 48mnonstop
2:09 pm - 4:08 pmMIA-STL
2h 59mnonstop
$192American Airlines
Find Deal
Tue, Jan 28 - Tue, Feb 4
4:33 pm - 8:24 pmSTL-MIA
2h 51mnonstop
9:45 pm - 11:40 pmMIA-STL
2h 55mnonstop
$247American Airlines
Find Deal
Sat, Mar 1 - Tue, Mar 4
9:15 am - 1:00 pmSTL-MIA
2h 45mnonstop
6:00 am - 8:05 amMIA-STL
3h 05mnonstop
$256Southwest
Find Deal
Tue, Jan 28 - Sat, Feb 1
5:10 am - 9:05 amSTL-MIA
2h 55mnonstop
8:00 pm - 10:28 pmMIA-STL
3h 28mnonstop
$257American Airlines
Find Deal
Wed, Jan 8 - Wed, Jan 15
4:33 pm - 8:24 pmSTL-MIA
2h 51mnonstop
9:45 pm - 11:40 pmMIA-STL
2h 55mnonstop
$265American Airlines
Find Deal
Fri, Feb 28 - Tue, Mar 4
7:00 pm - 10:45 pmSTL-MIA
2h 45mnonstop
6:40 am - 8:40 amMIA-STL
3h 00mnonstop
$284Southwest
Find Deal
Sat, Feb 15 - Sat, Feb 22
6:05 pm - 9:50 pmSTL-MIA
2h 45mnonstop
9:00 pm - 11:13 pmMIA-STL
3h 13mnonstop
$290American Airlines
Find Deal
Wed, Apr 2 - Wed, Apr 9
4:44 pm - 8:32 pmSTL-MIA
2h 48mnonstop
9:45 pm - 11:40 pmMIA-STL
2h 55mnonstop
$293American Airlines
Find Deal
Mon, Feb 10 - Mon, Feb 17
4:44 pm - 8:32 pmSTL-MIA
2h 48mnonstop
8:00 pm - 10:28 pmMIA-STL
3h 28mnonstop
$295American Airlines
Find Deal
Sat, Jan 25 - Fri, Jan 31

Frontier flights from St. Louis to Florida Keys

Our best Frontier deals on St. Louis to Florida Keys flight tickets
Frontier
Jan 10
STL6:49 pmLambert-St Louis
21h 16m
1 stop
MIA5:05 pmMiami
Jan 14
MIA8:00 amMiami
26h 06m
1 stop
STL9:06 amLambert-St Louis
Frontier
Jan 18
STL7:09 pmLambert-St Louis
29h 45m
1 stop
MIA1:54 amMiami
Jan 21
MIA8:00 amMiami
26h 16m
1 stop
STL9:16 amLambert-St Louis
Frontier
Feb 5
STL7:09 pmLambert-St Louis
29h 45m
1 stop
MIA1:54 amMiami
Feb 9
MIA6:00 amMiami
28h 16m
1 stop
STL9:16 amLambert-St Louis

Delta flights from St. Louis to Florida Keys

Our best Delta deals on St. Louis to Florida Keys flight tickets
Delta
Apr 2
STL6:50 amLambert-St Louis
8h 33m
1 stop
MIA4:23 pmMiami
Apr 9
MIA6:00 amMiami
6h 57m
1 stop
STL11:57 amLambert-St Louis
Delta
Jan 21
STL2:00 pmLambert-St Louis
6h 27m
1 stop
MIA9:27 pmMiami
Jan 28
MIA6:00 amMiami
6h 47m
1 stop
STL11:47 amLambert-St Louis
Delta
Jan 25
STL4:40 pmLambert-St Louis
7h 11m
1 stop
MIA12:51 amMiami
Jan 31
MIA7:00 amMiami
5h 47m
1 stop
STL11:47 amLambert-St Louis

See travel insights to Florida Keys from

How to get the cheapest flight ticket from St. Louis 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 August is another great option to travel to Florida Keys, with average flight prices from St. Louis averaging around $312.

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

The cheapest day to depart from St. Louis to Florida Keys is on a Tuesday when prices can be found for as low as $317. The most expensive day to fly to Florida Keys is Friday, with ticket prices averaging around $398.

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 St. Louis to Florida Keys in the evening for as low as $282. 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 $428.

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

You are more likely to see cheaper flights to Florida Keys from St. Louis when booking 54 days ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $372 when searching 54 days out. However, in the past 72 hours, people saw flights from St. Louis for as low as $288.

Can stopping save me money on St. Louis to Florida Keys flights?

You could potentially save up to 46% on your flight if you consider stops on a St. Louis to Florida Keys flight.

Cheap St. Louis to Florida Keys flight deals and tips

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

Best Price Found

$61

Fastest flight time

2h 40m

Direct flights

Every day

Airports in Florida Keys

2 airports
The best one-way flight to Florida Keys from St. Louis in the past 72 hours is $61. The best round-trip flight deal from St. Louis to Florida Keys found on momondo in the last 72 hours is $148.
The fastest flight from St. Louis to Florida Keys takes 2h 40m
Direct flights go from St. Louis to Florida Keys every day.
There are 2 airports near Florida Keys: Key West (EYW), Miami (MIA)

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Florida Keys?

    Prices for flights from Lambert-St Louis Airport to Florida Keys were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Florida Keys?

  • How old do you have to be to fly from Lambert-St Louis Airport to Florida Keys?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport 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 St. Louis to Florida Keys?


Best airlines flying from St. Louis to Florida Keys

Compare and see reviews for airlines that fly from St. Louis to Florida Keys with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $224Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $257Free CancellationRating
8.0
8,594 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Florida Keys?

Finding the right flight to Florida Keys from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Florida Keys quick and easy, saving you time and money.

Can I find flights from St. Louis to Florida Keys with flexible booking policies on momondo?

Flights from St. Louis to Florida Keys with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Florida Keys?

Once all potential St. Louis to Florida Keys flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of St. Louis to Florida Keys flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


An easier way to manage your Florida Keys trip

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Popular cities in Florida Keys

Popular flights according to clicks in the last 7 days on momondo