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Cheap flights from St. Louis to Key West (STL - EYW) from $103

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — EYW
jun. 4 — jun. 111
From?
To?
mar. 6/4
mar. 6/11
1 adult, Economy
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The best prices from Lambert-St Louis to Key West are usually found in January or February, booked 52 days in advance, depart on a Friday or Tuesday and return on a Monday

Cheap flight deals from St. Louis to Key West

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mayo 30, 2024.

Popular in

December

Cheapest in

January

Round-trip from

$374

One-way from

$257
High demand for flights, 15% potential price rise
Search Deals
Best time to find cheap flights, 25% potential price drop
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From Lambert-St Louis to Key West
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One-way flight from Lambert-St Louis to Key West
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What is the cheapest day to fly round-trip from St. Louis to Key West?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Key West. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from St. Louis to Key West?

To save up to 194% on this flight, we recommend booking at least 53 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to Key West from $362 1-2 weeks out and tickets from $745 for flights departing within the next 72 hours.

What is the cheapest month to fly from St. Louis to Key West?

The best pricing can be found in the month of January. Prices to Key West from St. Louis average $488. You can even find prices in January for less than $488, as users have found deals to Key West from as low as $224. The month of December appears to be one of the more expensive times to travel to Key West from St. Louis. Flying in the targeted month can save you up to 17%.

What is the cheapest time of day to fly from STL to EYW?

One of the essential ways to save on airfare from St. Louis to Key West is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 20% on airfare.

Cheap Delta flights from St. Louis to Key West

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Key West. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Peruse some of the lowest-priced Delta flights we've found from St. Louis to Key West. Deals update often to give you more flight options matching your criteria
mar. 7/166:00 amSTL - EYW
1 stop6h 35mDelta
sáb. 7/207:23 amEYW - STL
1 stop5h 19mDelta
Deal found 5/29$227
lun. 7/110:15 amSTL - EYW
1 stop5h 50mDelta
vie. 7/57:23 amEYW - STL
1 stop5h 37mDelta
Deal found 5/29$238
vie. 7/1912:43 pmSTL - EYW
1 stop5h 55mDelta
dom. 7/216:03 pmEYW - STL
1 stop6h 36mDelta
Deal found 5/29$264
sáb. 6/812:51 pmSTL - EYW
1 stop5h 49mDelta
vie. 6/1412:39 pmEYW - STL
1 stop4h 41mDelta
Deal found 5/29$300
jue. 6/206:00 amSTL - EYW
1 stop6h 20mDelta
jue. 6/272:15 pmEYW - STL
1 stop4h 46mDelta
Deal found 5/29$309
mar. 6/47:10 amSTL - EYW
1 stop4h 50mDelta
sáb. 6/86:00 pmEYW - STL
1 stop6h 43mDelta
Deal found 5/29$354
jue. 7/187:15 amSTL - EYW
1 stop5h 20mDelta
dom. 7/217:23 amEYW - STL
1 stop5h 15mDelta
Deal found 5/30$426
jue. 7/256:00 amSTL - EYW
1 stop6h 35mDelta
dom. 7/286:03 pmEYW - STL
1 stop6h 36mDelta
Deal found 5/28$518
sáb. 6/112:53 pmSTL - EYW
1 stop5h 47mDelta
mar. 6/47:05 amEYW - STL
1 stop5h 43mDelta
Deal found 5/28$647

Cheap American Airlines flights from St. Louis to Key West

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Key West. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from St. Louis to Key West. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
mié. 6/198:01 amSTL - EYW
1 stop7h 23mAmerican Airlines
mié. 6/2612:05 pmEYW - STL
1 stop5h 46mAmerican Airlines
Deal found 5/29$198
jue. 8/225:30 amSTL - EYW
1 stop5h 34mAmerican Airlines
mar. 8/277:30 pmEYW - STL
1 stop4h 54mAmerican Airlines
Deal found 5/30$207
jue. 8/225:30 amSTL - EYW
1 stop5h 34mAmerican Airlines
mar. 8/2711:30 amEYW - STL
2 stops10h 48mAmerican Airlines
Deal found 5/30$212
vie. 7/58:01 amSTL - EYW
1 stop7h 21mAmerican Airlines
mar. 7/94:59 pmEYW - STL
1 stop6h 53mAmerican Airlines
Deal found 5/30$218
mié. 6/198:01 amSTL - EYW
1 stop7h 23mAmerican Airlines
mié. 6/265:47 pmEYW - STL
2 stops7h 16mAmerican Airlines
Deal found 5/29$271
vie. 7/56:10 amSTL - EYW
2 stops8h 44mAmerican Airlines
mar. 7/94:59 pmEYW - STL
1 stop6h 53mAmerican Airlines
Deal found 5/30$272
jue. 8/229:09 amSTL - EYW
2 stops8h 49mAmerican Airlines
mar. 8/271:41 pmEYW - STL
2 stops8h 37mAmerican Airlines
Deal found 5/30$276
jue. 7/257:03 amSTL - EYW
1 stop7h 51mAmerican Airlines
lun. 7/2912:45 pmEYW - STL
1 stop5h 11mAmerican Airlines
Deal found 5/30$333
sáb. 6/85:15 amSTL - EYW
1 stop5h 49mAmerican Airlines
mar. 6/114:52 pmEYW - STL
1 stop7h 05mAmerican Airlines
Deal found 5/29$335

Cheap St. Louis to Key West flights in May & June 2024

Find cheap flight options from St. Louis to Key West specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on mayo 30, 2024.
These are some of the most attractive deals on flights from St. Louis to Key West in 2024. More deals are always being added, so be sure to check back regularly.
mié. 6/198:01 amSTL - EYW
1 stop7h 23mAmerican Airlines
mié. 6/2612:05 pmEYW - STL
1 stop5h 46mAmerican Airlines
Deal found 5/29$198
mié. 6/198:01 amSTL - EYW
1 stop7h 23mAmerican Airlines
mié. 6/265:47 pmEYW - STL
2 stops7h 16mAmerican Airlines
Deal found 5/29$271
sáb. 6/812:51 pmSTL - EYW
1 stop5h 49mDelta
vie. 6/1412:39 pmEYW - STL
1 stop4h 41mDelta
Deal found 5/29$300
jue. 6/206:00 amSTL - EYW
1 stop6h 20mDelta
jue. 6/272:15 pmEYW - STL
1 stop4h 46mDelta
Deal found 5/29$309
sáb. 6/85:15 amSTL - EYW
1 stop5h 49mAmerican Airlines
mar. 6/114:52 pmEYW - STL
1 stop7h 05mAmerican Airlines
Deal found 5/29$335
sáb. 6/86:09 amSTL - EYW
2 stops10h 07mAmerican Airlines
vie. 6/141:41 pmEYW - STL
1 stop6h 36mAmerican Airlines
Deal found 5/29$341
sáb. 6/17:20 amSTL - EYW
1 stop7h 48mAmerican Airlines
mié. 6/512:46 pmEYW - STL
1 stop5h 02mAmerican Airlines
Deal found 5/29$342
mié. 6/197:00 amSTL - EYW
2 stops9h 16mAmerican Airlines
mié. 6/265:47 pmEYW - STL
2 stops7h 16mAmerican Airlines
Deal found 5/29$345
sáb. 6/15:55 amSTL - EYW
2 stops9h 13mAmerican Airlines
mié. 6/512:46 pmEYW - STL
1 stop5h 02mAmerican Airlines
Deal found 5/29$349

St. Louis to Key West 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Key West in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
These are some of the most attractive deals on flights from St. Louis to Key West in 2024. More deals are always being added, so be sure to check back regularly.
mié. 9/187:19 amSTL - EYW
1 stop5h 55mAmerican Airlines
mar. 10/112:53 pmEYW - STL
1 stop5h 30mAmerican Airlines
Deal found 5/29$195
mié. 6/198:01 amSTL - EYW
1 stop7h 23mAmerican Airlines
mié. 6/2612:05 pmEYW - STL
1 stop5h 46mAmerican Airlines
Deal found 5/29$198
mié. 9/187:19 amSTL - EYW
1 stop5h 55mAmerican Airlines
mar. 10/11:46 pmEYW - STL
2 stops6h 44mAmerican Airlines
Deal found 5/29$200
mié. 9/49:05 amSTL - EYW
1 stop6h 38mAmerican Airlines
sáb. 9/71:46 pmEYW - STL
2 stops9h 23mAmerican Airlines
Deal found 5/29$202
mié. 9/187:19 amSTL - EYW
2 stops10h 40mAmerican Airlines
mar. 10/11:46 pmEYW - STL
2 stops6h 44mAmerican Airlines
Deal found 5/29$205
mié. 9/45:30 amSTL - EYW
2 stops7h 55mAmerican Airlines
sáb. 9/71:46 pmEYW - STL
2 stops9h 23mAmerican Airlines
Deal found 5/29$208
mié. 9/46:00 amSTL - EYW
1 stop4h 47mDelta
sáb. 9/712:42 pmEYW - STL
1 stop4h 38mDelta
Deal found 5/29$217
mar. 7/166:00 amSTL - EYW
1 stop6h 35mDelta
sáb. 7/207:23 amEYW - STL
1 stop5h 19mDelta
Deal found 5/29$227
sáb. 11/169:42 amSTL - EYW
1 stop6h 11mAmerican Airlines
mié. 11/207:29 pmEYW - STL
1 stop4h 53mAmerican Airlines
Deal found 5/29$235

St. Louis to Key West flights leaving soon

Find last-minute flight options from St. Louis to Key West for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Check out these flights departing soon from St. Louis to Key West. Tip: verify your flight details before completing your reservation.
sáb. 6/812:51 pmSTL - EYW
1 stop5h 49mDelta
vie. 6/1412:39 pmEYW - STL
1 stop4h 41mDelta
Deal found 5/29$300
sáb. 6/85:15 amSTL - EYW
1 stop5h 49mAmerican Airlines
mar. 6/114:52 pmEYW - STL
1 stop7h 05mAmerican Airlines
Deal found 5/29$335
sáb. 6/86:09 amSTL - EYW
2 stops10h 07mAmerican Airlines
vie. 6/141:41 pmEYW - STL
1 stop6h 36mAmerican Airlines
Deal found 5/29$341
sáb. 6/17:20 amSTL - EYW
1 stop7h 48mAmerican Airlines
mié. 6/512:46 pmEYW - STL
1 stop5h 02mAmerican Airlines
Deal found 5/29$342
sáb. 6/15:55 amSTL - EYW
2 stops9h 13mAmerican Airlines
mié. 6/512:46 pmEYW - STL
1 stop5h 02mAmerican Airlines
Deal found 5/29$349
sáb. 6/17:20 amSTL - EYW
1 stop7h 48mAmerican Airlines
mié. 6/54:59 pmEYW - STL
1 stop8h 04mAmerican Airlines
Deal found 5/30$351
mar. 6/47:10 amSTL - EYW
1 stop4h 50mDelta
sáb. 6/86:00 pmEYW - STL
1 stop6h 43mDelta
Deal found 5/29$354
sáb. 6/17:20 amSTL - EYW
1 stop7h 48mAmerican Airlines
mié. 6/55:47 pmEYW - STL
2 stops7h 16mAmerican Airlines
Deal found 5/30$356
sáb. 6/19:51 amSTL - EYW
2 stops8h 10mAmerican Airlines
lun. 6/35:09 pmEYW - STL
1 stop7h 13mAmerican Airlines
Deal found 5/28$358

One-way flights to Key West from St. Louis

Search for one-way flight options from St. Louis to Key West. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Take a look at some of the best available options we've come across on one-way flights from St. Louis to Key West. Users needing a return flight from St. Louis to Key West should utilize the search form above.
mié. 10/27:19 amSTL - EYW
2 stops9h 10mAmerican Airlines
Deal found 5/30$103
mié. 10/22:05 pmSTL - EYW
1 stop4h 28mDelta
Deal found 5/30$108
sáb. 6/86:22 pmSTL - EYW
2 stops20h 52mMultiple Airlines
Deal found 5/29$248
sáb. 6/811:34 amSTL - EYW
3 stops27h 40mMultiple Airlines
Deal found 5/29$257
sáb. 11/1611:10 amSTL - EYW
2 stops21h 45mUnited Airlines
Deal found 5/29$258
jue. 7/185:17 amSTL - EYW
1 stop5h 47mAmerican Airlines
Deal found 5/29$279
sáb. 6/2210:15 amSTL - EYW
1 stop5h 50mDelta
Deal found 5/29$280
dom. 6/235:15 amSTL - EYW
2 stops7h 40mAmerican Airlines
Deal found 5/29$284
vie. 7/197:00 amSTL - EYW
2 stops11h 00mAmerican Airlines
Deal found 5/29$285

Find flights from St. Louis to Key West within your budget

Customize your flight search to find flights from St. Louis to Key West 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, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$198 - $473

Route

Depart

Return

Price

Lambert-St LouisKey West

STL - EYW

STLEYW

Lambert-St Louis

mié. 6/19

1 stop7h 23m

Key West

mié. 6/26

1 stop5h 46m

$198

Lambert-St LouisKey West

STL - EYW

STLEYW

Lambert-St Louis

jue. 8/22

1 stop5h 34m

Key West

mar. 8/27

1 stop4h 54m

$207

Lambert-St LouisKey West

STL - EYW

STLEYW

Lambert-St Louis

jue. 8/22

1 stop5h 34m

Key West

mar. 8/27

2 stops10h 48m

$212

Lambert-St LouisKey West

STL - EYW

STLEYW

Lambert-St Louis

vie. 7/5

1 stop7h 21m

Key West

mar. 7/9

1 stop6h 53m

$218

Lambert-St LouisKey West

STL - EYW

STLEYW

Lambert-St Louis

mar. 7/16

1 stop6h 35m

Key West

sáb. 7/20

1 stop5h 19m

$227

Lambert-St LouisKey West

STL - EYW

STLEYW

Lambert-St Louis

lun. 7/1

1 stop5h 50m

Key West

vie. 7/5

1 stop5h 37m

$238

Lambert-St LouisKey West

STL - EYW

STLEYW

Lambert-St Louis

vie. 7/19

1 stop5h 55m

Key West

dom. 7/21

1 stop6h 36m

$264

Lambert-St LouisKey West

STL - EYW

STLEYW

Lambert-St Louis

mié. 6/19

1 stop7h 23m

Key West

mié. 6/26

2 stops7h 16m

$271

Lambert-St LouisKey West

STL - EYW

STLEYW

Lambert-St Louis

mié. 8/28

1 stop7h 07m

Key West

lun. 9/2

2 stops29h 37m

$473

Flights are sorted by cheapest first

Deals found on 5/29

How far ahead should I book a flight from St. Louis to Key West?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Key West. Price data was last updated on May 24, 2024.
Booking 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Key West. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

What is the cheapest day to fly from St. Louis to Key West?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Key West. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Key West flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Key West by month

Plan your trip to Key West by taking into account the average temperature and rainfall totals by month.

EYW

Temperature

69.8 - 84.2 °F

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated mayo 30, 2024.
See what other customers who have flown with Delta, American Airlines and United Airlines from St. Louis to Key West have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,457 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Delta
8.0
Very good
10,457 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

United Airlines
7.4
Good
10,777 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

American Airlines
7.3
Good
14,284 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from St. Louis to Key West for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Key West for under $200. The cheapest flight booked recently is on American Airlines for just $198, but on average you can expect to pay $286.

  • Are there last-minute flights available from St. Louis to Key West for under $300?

    There are currently 20+ open flights from St. Louis to Key West within the next 7 days for less than $300.

  • What are the cheapest airlines flying from St. Louis to Key West round-trip?

    Our cheapest airline available from St. Louis to Key West is American Airlines. Our recent data shows that you can find tickets from as low as $198 on this airline. An additional option worth looking into is Delta, starting at $227. Users have found that American Airlines is 59% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from St. Louis to Key West one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $103. Delta flights start at $108 while deals on United Airlines start at $258 one-way.

  • What does STL to EYW mean?

    Lambert-St Louis Airport is STL and Key West Airport is EYW. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from St. Louis to Key West that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Key West flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Key West with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Key West flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Key West that include hotel bookings?

    Yes. In addition to deals on St. Louis to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Key West.

  • Can I find deals for business class flights from St. Louis to Key West?

    Yes. Cheapflights offers flight deals from St. Louis to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Key West that allow pets onboard?

    Many airlines flying from St. Louis to Key West offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Key West?

    Yes, you can often find last-minute deals on St. Louis to Key West flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Key West flight deals updated?

    The St. Louis to Key West flight deals you see on this page were last updated on 5/29.

  • What are the most popular airlines that fly from St. Louis to Key West?

    When booking a flight from St. Louis to Key West, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

  • What is the cheapest month to book a flight from St. Louis to Key West?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Key West (average of $374). Flying from St. Louis to Key West in March is currently the most expensive (average of $504). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from St. Louis to Key West

Discover the top 3 airlines that operate flights from St. Louis to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$226Average$475FlexibilityNo cancel feeOn-time71%
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DeltaCheapest$287Average$522FlexibilityNo cancel feeOn-timeN/A
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United AirlinesCheapest$302Average$541FlexibilityNo cancel feeOn-time69%
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Search flights from St. Louis to Key West by cabin class

Find flights from St. Louis to Key West, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Key West?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St. Louis to Key West. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Key West?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Key West by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis to Key West with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Key West, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to Key West become cheaper?

Yes, Cheapflights offers price alerts on St. Louis to Key West flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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