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Cheap flights from Missouri to Key West from $107

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:35 pm - 9:24 amSTL  Lambert-St Louis-EYW Key West
37h 49m2 stops Atlanta Hartsfield-Jackson Tampa
Multiple Airlines Logo
10:59 am - 11:16 pmEYW  Key West-STL Lambert-St Louis
13h 17m1 stop Orlando
$232Multiple Airlines
Mon, Oct 26 - Mon, Nov 2
Multiple Airlines Logo
1:20 pm - 10:24 amSTL  Lambert-St Louis-EYW Key West
20h 04m1 stop Orlando
Multiple Airlines Logo
10:59 am - 11:17 amEYW  Key West-STL Lambert-St Louis
25h 18m2 stops Orlando Atlanta Hartsfield-Jackson
$241Multiple Airlines
Mon, Nov 23 - Tue, Dec 1
Multiple Airlines Logo
1:20 pm - 10:24 amSTL  Lambert-St Louis-EYW Key West
20h 04m1 stop Orlando
Multiple Airlines Logo
10:59 am - 12:12 amEYW  Key West-STL Lambert-St Louis
14h 13m1 stop Orlando
$251Multiple Airlines
Mon, Nov 23 - Tue, Dec 1
American Airlines Logo
5:05 am - 11:42 amSTL  Lambert-St Louis-EYW Key West
5h 37m1 stop Chicago O'Hare Intl
American Airlines Logo
2:36 pm - 8:01 pmEYW  Key West-STL Lambert-St Louis
6h 25m1 stop Dallas/Fort Worth
$323American Airlines
Wed, Jan 20 - Wed, Jan 27
American Airlines Logo
8:10 am - 5:21 pmSTL  Lambert-St Louis-EYW Key West
8h 11m1 stop Charlotte Douglas
American Airlines Logo
2:36 pm - 10:20 pmEYW  Key West-STL Lambert-St Louis
8h 44m1 stop Dallas/Fort Worth
$323American Airlines
Wed, Dec 2 - Sat, Dec 12
Delta Logo
12:36 pm - 8:01 pmSTL  Lambert-St Louis-EYW Key West
6h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:48 am - 4:28 pmEYW  Key West-STL Lambert-St Louis
5h 40m1 stop Atlanta Hartsfield-Jackson
$323Delta
Wed, Dec 16 - Wed, Dec 23
American Airlines Logo
5:00 am - 11:46 amSTL  Lambert-St Louis-EYW Key West
5h 46m1 stop Chicago O'Hare Intl
American Airlines Logo
11:26 am - 5:25 pmEYW  Key West-STL Lambert-St Louis
6h 59m1 stop Miami
$323American Airlines
Tue, Dec 1 - Sat, Dec 5
Delta Logo
5:40 am - 1:08 pmMCI  Kansas City-EYW Key West
6h 28m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 pm - 11:58 pmEYW  Key West-MCI Kansas City
6h 58m1 stop Atlanta Hartsfield-Jackson
$327Delta
Tue, Feb 9 - Wed, Feb 17
United Airlines Logo
8:30 am - 3:29 pmSTL  Lambert-St Louis-EYW Key West
5h 59m1 stop Chicago O'Hare Intl
United Airlines Logo
4:10 pm - 9:40 pmEYW  Key West-STL Lambert-St Louis
6h 30m1 stop Chicago O'Hare Intl
$476United Airlines
Mon, Oct 26 - Mon, Nov 2
United Airlines Logo
7:31 am - 5:10 pmMCI  Kansas City-EYW Key West
8h 39m1 stop Chicago O'Hare Intl
United Airlines Logo
3:55 pm - 11:21 pmEYW  Key West-MCI Kansas City
8h 26m1 stop Chicago O'Hare Intl
$501United Airlines
Fri, Jan 15 - Thu, Jan 21

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American Airlines flights from Missouri to Key West

Our best American Airlines deals on Missouri to Key West flight tickets
American Airlines
Dec 1
STL5:00 amLambert-St Louis
5h 46m
1 stop
EYW11:46 amKey West
Dec 5
EYW11:26 amKey West
6h 59m
1 stop
STL5:25 pmLambert-St Louis
$323
American Airlines
Dec 12
MCI1:03 pmKansas City
5h 24m
1 stop
EYW7:27 pmKey West
Dec 16
EYW2:36 pmKey West
8h 27m
1 stop
MCI10:03 pmKansas City
$327
American Airlines
Jan 8
MCI8:04 amKansas City
7h 48m
1 stop
EYW4:52 pmKey West
Jan 16
EYW9:58 amKey West
7h 35m
1 stop
MCI4:33 pmKansas City
$360

United Airlines flights from Missouri to Key West

Our best United Airlines deals on Missouri to Key West flight tickets
United Airlines
Oct 26
COU8:00 amColumbia Regional
6h 29m
1 stop
EYW3:29 pmKey West
Oct 29
EYW4:10 pmKey West
7h 48m
1 stop
COU10:58 pmColumbia Regional
$736
United Airlines
Oct 13
MCI5:46 pmKansas City
18h 43m
2 stops
EYW1:29 pmKey West
Oct 17
EYW4:20 pmKey West
6h 40m
1 stop
MCI10:00 pmKansas City
$849
United Airlines
Oct 13
MCI6:19 amKansas City
30h 10m
3 stops
EYW1:29 pmKey West
Oct 17
EYW4:20 pmKey West
6h 40m
1 stop
MCI10:00 pmKansas City
$898

momondo Fare Finder

 
Use the filters below to find and compare flights from Missouri to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisKey West

STL Lambert-St Louis - EYW Key West

STLEYW

Lambert-St Louis

Mon 10/26

6:35 pm-9:24 am

2 stops37h 49m

Key West

Mon 11/2

10:59 am-11:16 pm

1 stop13h 17m

$232

St. LouisKey West

STL Lambert-St Louis - EYW Key West

STLEYW

Lambert-St Louis

Mon 11/23

1:20 pm-10:24 am

1 stop20h 04m

Key West

Tue 12/1

10:59 am-11:17 am

2 stops25h 18m

$241

St. LouisKey West

STL Lambert-St Louis - EYW Key West

STLEYW

Lambert-St Louis

Mon 11/23

1:20 pm-10:24 am

1 stop20h 04m

Key West

Tue 12/1

10:59 am-12:12 am

1 stop14h 13m

$251
Quickest round-trip

St. LouisKey West

STL Lambert-St Louis - EYW Key West

STLEYW

Lambert-St Louis

Wed 1/20

5:05 am-11:42 am

1 stop5h 37m

Key West

Wed 1/27

2:36 pm-8:01 pm

1 stop6h 25m

$323

St. LouisKey West

STL Lambert-St Louis - EYW Key West

STLEYW

Lambert-St Louis

Wed 12/2

8:10 am-5:21 pm

1 stop8h 11m

Key West

Sat 12/12

2:36 pm-10:20 pm

1 stop8h 44m

$323

St. LouisKey West

STL Lambert-St Louis - EYW Key West

STLEYW

Lambert-St Louis

Wed 12/16

12:36 pm-8:01 pm

1 stop6h 25m

Key West

Wed 12/23

11:48 am-4:28 pm

1 stop5h 40m

$323

St. LouisKey West

STL Lambert-St Louis - EYW Key West

STLEYW

Lambert-St Louis

Tue 12/1

5:00 am-11:46 am

1 stop5h 46m

Key West

Sat 12/5

11:26 am-5:25 pm

1 stop6h 59m

$323

Kansas CityKey West

MCI Kansas City - EYW Key West

MCIEYW

Kansas City

Tue 2/9

5:40 am-1:08 pm

1 stop6h 28m

Key West

Wed 2/17

6:00 pm-11:58 pm

1 stop6h 58m

$327

St. LouisKey West

STL Lambert-St Louis - EYW Key West

STLEYW

Lambert-St Louis

Mon 10/26

8:30 am-3:29 pm

1 stop5h 59m

Key West

Mon 11/2

4:10 pm-9:40 pm

1 stop6h 30m

$476

Kansas CityKey West

MCI Kansas City - EYW Key West

MCIEYW

Kansas City

Fri 1/15

7:31 am-5:10 pm

1 stop8h 39m

Key West

Thu 1/21

3:55 pm-11:21 pm

1 stop8h 26m

$501

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 Key West from

How to get the cheapest flight ticket from Missouri to Key West

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 Key West?

In general, January is the cheapest month to fly from Missouri to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $362. If you are unable to visit Key West during the month of January, then departing from Missouri during the month February is also very affordable. Most momondo users find prices during this month for around $391.

How far in advance should I book a flight from Missouri to Key West?

You are more likely to see cheaper flights to Key West from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $485 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Missouri for as low as $308 on momondo.

Can stopping save me money on Missouri to Key West flights?

You could potentially save up to 43% on your flight if you consider stops on a Missouri to Key West flight.

Cheap Missouri to Key West flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Key West

Best Price Found

$107

Fastest flight time

4h 28m

Direct flights

None
The best one-way flight to Key West from Missouri in the past 72 hours is $107. The best round-trip flight deal from Missouri to Key West found on momondo in the last 72 hours is $232.
The fastest flight from Missouri to Key West takes 4h 28m
There are no direct flights from Missouri to Key West. There are no popular flight routes from Missouri to Key West.
Search flight deals

Frequently asked questions about flying from Missouri to Key West

  • When did momondo last update prices for flights from Missouri to Key West Airport?

    Prices for flights from Missouri to Key West Airport were last updated today.

  • How many operators does momondo search for flights from Missouri to Key West Airport?

  • How old do you have to be to fly from Missouri to Key West Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Key West

Compare and see reviews for airlines that fly from Missouri to Key West with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $223Free CancellationRating
7.0
12,129 reviews
Search American Airlines flights
DeltaPriceFrom $230Free CancellationRating
7.8
8,626 reviews
Search Delta flights
United AirlinesPriceFrom $282Free CancellationRating
7.4
10,283 reviews
Search United Airlines flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Key West?

It is quick and easy to find Missouri to Key West flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Key West that suits you.

Can I find flights from Missouri to Key West with flexible booking policies on momondo?

Flights from Missouri to Key West 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 Missouri to Key West?

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 Key West from Missouri.

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

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

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