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Cheap flights from St. Louis to Florida Keys from $64

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 1/15. 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.
7:09 pm - 5:09 pmSTL-MIA
21h 00m1 stop
6:00 am - 9:16 amMIA-STL
28h 16m1 stop
$157Frontier
Find Deal
Fri, Jan 17 - Fri, Jan 24
6:46 pm - 11:23 pmSTL-MIA
27h 37m1 stop
6:00 am - 8:13 amMIA-STL
27h 13m1 stop
$158Frontier
Find Deal
Mon, Dec 9 - Thu, Dec 12
6:00 am - 3:30 pmSTL-EYW
8h 30m1 stop
3:09 pm - 7:23 pmEYW-STL
5h 14m1 stop
$208American Airlines
Find Deal
Wed, Jan 29 - Wed, Feb 5
7:18 am - 4:37 pmSTL-EYW
8h 19m2 stops
3:09 pm - 7:23 pmEYW-STL
5h 14m1 stop
$213American Airlines
Find Deal
Wed, Jan 29 - Wed, Feb 5
1:08 pm - 8:34 pmSTL-EYW
6h 26m1 stop
6:13 pm - 9:59 pmEYW-STL
4h 46m1 stop
$237Delta
Find Deal
Wed, Dec 18 - Sat, Dec 21
12:52 pm - 8:11 pmSTL-EYW
6h 19m1 stop
7:00 am - 11:47 amEYW-STL
5h 47m1 stop
$258Delta
Find Deal
Fri, Jan 24 - Thu, Jan 30
4:26 pm - 9:30 pmSTL-MIA
28h 04m2 stops
5:48 am - 3:21 pmMIA-STL
34h 33m2 stops
$305Spirit Airlines
Find Deal
Thu, Dec 5 - Mon, Dec 9
4:26 pm - 9:30 pmSTL-MIA
28h 04m2 stops
5:48 am - 3:21 pmMIA-STL
34h 33m3 stops
$306Spirit Airlines
Find Deal
Thu, Dec 5 - Mon, Dec 9
9:15 am - 1:00 pmSTL-MIA
2h 45mnonstop
5:15 pm - 7:25 pmMIA-STL
3h 10mnonstop
$332Southwest
Find Deal
Tue, Jan 7 - Tue, Jan 14
11:55 am - 10:00 pmSTL-MIA
9h 05m2 stops
3:40 pm - 8:40 pmMIA-STL
6h 00m1 stop
$381Southwest
Find Deal
Tue, Dec 17 - Tue, Dec 24
6:46 pm - 1:54 amSTL-MIA
30h 08m1 stop
$64Frontier
Find Deal
Wed, Jan 15
6:46 pm - 1:54 amSTL-MIA
30h 08m1 stop
$65Frontier
Find Deal
Wed, Jan 15
1:08 pm - 8:34 pmSTL-EYW
6h 26m1 stop
$108Delta
Find Deal
Wed, Dec 18
5:21 pm - 3:27 pmSTL-MIA
21h 06m3 stops
$136Spirit Airlines
Find Deal
Tue, Dec 3
7:27 pm - 5:30 pmSTL-MIA
21h 03m2 stops
$141Spirit Airlines
Find Deal
Tue, Feb 25
6:10 am - 3:25 pmSTL-EYW
8h 15m2 stops
$154American Airlines
Find Deal
Wed, Dec 18
5:15 am - 9:09 amSTL-MIA
2h 54mnonstop
$160American Airlines
Find Deal
Wed, Dec 25
5:34 pm - 12:53 amSTL-MIA
6h 19m1 stop
$169Delta
Find Deal
Tue, Nov 26
7:40 am - 7:50 pmSTL-MIA
11h 10m2 stops
$180Southwest
Find Deal
Sat, Jan 18
8:20 am - 5:05 pmSTL-MIA
7h 45m2 stops
$193Southwest
Find Deal
Tue, Feb 18
10:14 am - 5:18 pmSTL-EYW
6h 04m1 stop
7:25 am - 12:04 pmEYW-STL
5h 39m1 stop
$338Delta
Find Deal
Fri, Nov 22 - Wed, Dec 4
5:38 pm - 12:16 amSTL-MIA
29h 38m1 stop
6:15 am - 12:06 amMIA-STL
18h 51m1 stop
$358Frontier
Find Deal
Fri, Nov 22 - Tue, Nov 26
7:15 am - 4:26 pmSTL-EYW
8h 11m1 stop
12:55 pm - 7:30 pmEYW-STL
7h 35m1 stop
$388American Airlines
Find Deal
Thu, Nov 21 - Sat, Nov 23
6:30 am - 3:20 pmSTL-EYW
7h 50m2 stops
11:10 am - 5:14 pmEYW-STL
7h 04m1 stop
$393American Airlines
Find Deal
Thu, Nov 21 - Sat, Nov 23
5:21 pm - 10:00 pmSTL-MIA
27h 39m2 stops
10:53 pm - 4:26 pmMIA-STL
18h 33m2 stops
$423Spirit Airlines
Find Deal
Sat, Nov 23 - Mon, Dec 2
5:21 pm - 10:00 pmSTL-MIA
27h 39m2 stops
10:53 pm - 4:26 pmMIA-STL
18h 33m2 stops
$431Spirit Airlines
Find Deal
Sat, Nov 23 - Mon, Dec 2
6:30 am - 3:01 pmSTL-EYW
7h 31m1 stop
10:55 am - 2:25 pmEYW-STL
28h 30m2 stops
$586United Airlines
Find Deal
Wed, Nov 20 - Fri, Nov 22
11:20 am - 9:29 pmSTL-MIA
9h 09m2 stops
1:00 pm - 8:57 pmMIA-STL
8h 57m1 stop
$662United Airlines
Find Deal
Thu, Nov 21 - Thu, Nov 28
5:40 am - 3:55 pmSTL-MIA
9h 15m2 stops
7:00 am - 1:55 pmMIA-STL
7h 55m2 stops
$687Southwest
Find Deal
Thu, Nov 21 - Thu, Nov 28
5:50 am - 3:30 pmSTL-MIA
8h 40m2 stops
6:15 am - 2:15 pmMIA-STL
9h 00m2 stops
$747Southwest
Find Deal
Fri, Nov 22 - Sun, Nov 24
6:00 am - 10:01 amSTL-MIA
3h 01mnonstop
8:00 pm - 10:28 pmMIA-STL
3h 28mnonstop
$325American Airlines
Find Deal
Wed, Jan 1 - Wed, Jan 8
9:15 am - 1:00 pmSTL-MIA
2h 45mnonstop
5:15 pm - 7:25 pmMIA-STL
3h 10mnonstop
$332Southwest
Find Deal
Wed, Jan 22 - Tue, Jan 28
5:15 am - 9:10 amSTL-MIA
2h 55mnonstop
8:35 pm - 10:48 pmMIA-STL
3h 13mnonstop
$338American Airlines
Find Deal
Tue, Dec 17 - Tue, Dec 24
6:00 am - 10:01 amSTL-MIA
3h 01mnonstop
9:40 pm - 11:51 pmMIA-STL
3h 11mnonstop
$349American Airlines
Find Deal
Wed, Dec 25 - Sun, Dec 29
6:00 am - 10:01 amSTL-MIA
3h 01mnonstop
8:00 pm - 10:28 pmMIA-STL
3h 28mnonstop
$355American Airlines
Find Deal
Sat, Jan 4 - Mon, Jan 13
5:15 am - 9:10 amSTL-MIA
2h 55mnonstop
9:05 pm - 11:10 pmMIA-STL
3h 05mnonstop
$357American Airlines
Find Deal
Tue, Dec 10 - Tue, Dec 17
4:44 pm - 8:32 pmSTL-MIA
2h 48mnonstop
8:00 pm - 10:17 pmMIA-STL
3h 17mnonstop
$365American Airlines
Find Deal
Thu, Feb 6 - Tue, Feb 11
5:15 am - 9:10 amSTL-MIA
2h 55mnonstop
9:40 pm - 11:51 pmMIA-STL
3h 11mnonstop
$368American Airlines
Find Deal
Wed, Dec 18 - Sat, Dec 21
5:10 am - 9:05 amSTL-MIA
2h 55mnonstop
9:45 pm - 11:41 pmMIA-STL
2h 56mnonstop
$378American Airlines
Find Deal
Wed, Feb 12 - Tue, Feb 18
2:35 pm - 6:20 pmSTL-MIA
2h 45mnonstop
2:05 pm - 4:05 pmMIA-STL
3h 00mnonstop
$545Southwest
Find Deal
Sat, Dec 21 - Tue, Dec 24

Southwest flights from St. Louis to Florida Keys

Our best Southwest deals on St. Louis to Florida Keys flight tickets
Southwest
Jan 7
STL9:15 amLambert-St Louis
2h 45m
MIA1:00 pmMiami
Jan 14
MIA5:15 pmMiami
3h 10m
STL7:25 pmLambert-St Louis
Southwest
Dec 17
STL11:55 amLambert-St Louis
9h 05m
2 stops
MIA10:00 pmMiami
Dec 24
MIA3:40 pmMiami
6h 00m
1 stop
STL8:40 pmLambert-St Louis
Southwest
Jan 9
STL7:15 amLambert-St Louis
10h 20m
2 stops
MIA6:35 pmMiami
Jan 12
MIA6:30 amMiami
11h 30m
2 stops
STL5:00 pmLambert-St Louis

Frontier flights from St. Louis to Florida Keys

Our best Frontier deals on St. Louis to Florida Keys flight tickets
Frontier
Jan 17
STL7:09 pmLambert-St Louis
21h 00m
1 stop
MIA5:09 pmMiami
Jan 24
MIA6:00 amMiami
28h 16m
1 stop
STL9:16 amLambert-St Louis
Frontier
Dec 9
STL6:46 pmLambert-St Louis
27h 37m
1 stop
MIA11:23 pmMiami
Dec 12
MIA6:00 amMiami
27h 13m
1 stop
STL8:13 amLambert-St Louis
Frontier
Jan 27
STL7:09 pmLambert-St Louis
27h 13m
1 stop
MIA11:22 pmMiami
Feb 2
MIA6:00 amMiami
28h 16m
1 stop
STL9:16 amLambert-St Louis

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 airline that flies to Florida Keys from St. Louis?

American Airlines. American Airlines, Delta, and United Airlines are the most popular carriers operating from St. Louis to Florida Keys

What is the cheapest St. Louis to Florida Keys flight route?

Lambert-St Louis - Miami. Fly from Lambert-St Louis to Miami for the best St. Louis - Florida Keys flight prices

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

You could potentially save up to 60% 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

$64

Fastest flight time

2h 41m

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 $64. The best round-trip flight deal from St. Louis to Florida Keys found on momondo in the last 72 hours is $157.
The fastest flight from St. Louis to Florida Keys takes 2h 41m
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 $222Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $257Free CancellationRating
8.0
8,766 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,168 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Florida Keys

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