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Marco Island

$66+ Cheap flights from St. Louis (STL) to Marco Island, FL

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MIA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Marco Island are usually found in August or September, booked 33 days in advance, depart on a Wednesday or Sunday and return on a Saturday

Cheap flight deals from St. Louis to Marco Island

Keep the following information in mind while searching for St. Louis to Marco Island flight deals. Data was last updated September 17, 2025.

Round-trip from

$168
(Frontier)

One-way from

$66
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$344
From Lambert-St Louis to Marco Island
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One-way flight from Lambert-St Louis to Marco Island
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Highest demand for flights based on searches. 10% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Marco Island

Cheapest flights from St. Louis to Marco Island
Explore the most affordable flight options available from St. Louis to Marco Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:40 pmSTL - MIA
1 stop8h 39mFrontier
Thu 11/610:30 amMIA - STL
1 stop7h 57mFrontier
Deal found 9/14$168
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:23 amSTL - MIA
Nonstop2h 47mAmerican Airlines
Tue 10/2110:01 pmMIA - STL
Nonstop2h 55mAmerican Airlines
Deal found 9/15$169
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:23 amSTL - MIA
Nonstop2h 47mAmerican Airlines
Tue 10/1410:01 pmMIA - STL
Nonstop2h 55mAmerican Airlines
Deal found 9/16$179
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:52 pmSTL - MIA
1 stop9h 27mFrontier
Fri 10/315:05 amMIA - STL
1 stop11h 52mFrontier
Deal found 9/15$182
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:52 pmSTL - MIA
1 stop6h 42mFrontier
Sun 11/25:05 amMIA - STL
1 stop6h 07mFrontier
Deal found 9/15$183
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:52 pmSTL - MIA
1 stop9h 27mFrontier
Sun 11/25:00 amMIA - STL
1 stop28h 07mFrontier
Deal found 9/16$185
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:12 pmSTL - MIA
2 stops9h 22mFrontier
Fri 11/75:01 amMIA - STL
1 stop12h 00mFrontier
Deal found 9/16$187
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:17 amSTL - MIA
1 stop6h 16mFrontier
Sun 10/265:15 amMIA - STL
1 stop6h 22mFrontier
Deal found 9/15$188
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:55 pmSTL - MIA
2 stops13h 45mFrontier
Mon 10/69:28 amMIA - STL
1 stop6h 36mFrontier
Deal found 9/15$190
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:40 pmSTL - MIA
2 stops12h 31mFrontier
Thu 11/65:01 amMIA - STL
1 stop6h 11mFrontier
Deal found 9/15$191
This Priceline deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:17 amSTL - MIA
1 stop6h 16mFrontier
Thu 10/235:15 amMIA - STL
1 stop6h 22mFrontier
Deal found 9/16$192

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Marco Island 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 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from St. Louis to Marco Island that are best for you.

Fly from

St. Louis

Fly to

Marco Island

Route

Depart

Return

Price

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 11/8

5:15 pm-12:29 am

1 stop6h 14m

Miami

Sat 11/15

8:05 am-1:51 pm

1 stop6h 46m

$197

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 10/25

5:15 pm-12:29 am

1 stop6h 14m

Miami

Sat 11/1

6:00 am-9:15 am

1 stop4h 15m

$218

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 11/1

5:15 pm-12:29 am

1 stop6h 14m

Miami

Mon 11/10

7:25 pm-11:40 pm

1 stop5h 15m

$218

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 11/11

6:00 am-1:02 pm

1 stop6h 02m

Miami

Thu 11/13

7:00 am-10:49 am

1 stop4h 49m

$223

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 11/1

5:15 pm-12:29 am

1 stop6h 14m

Miami

Sat 11/8

6:00 am-9:15 am

1 stop4h 15m

$238

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 11/13

9:21 am-5:18 pm

1 stop6h 57m

Miami

Mon 11/24

6:23 pm-9:58 pm

1 stop4h 35m

$238

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 11/3

11:36 am-6:34 pm

1 stop5h 58m

Miami

Thu 11/6

6:00 am-10:26 am

1 stop5h 26m

$249

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 11/1

5:15 pm-11:20 am

2 stops17h 05m

Miami

Fri 11/7

8:30 am-1:22 pm

1 stop5h 52m

$265

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 11/24

5:15 am-2:30 pm

1 stop8h 15m

Miami

Tue 12/2

5:15 pm-9:25 pm

1 stop5h 10m

$269

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 11/24

6:40 am-5:50 pm

2 stops10h 10m

Miami

Fri 11/28

6:00 am-5:20 pm

1 stop12h 20m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 18 results
1
2

Best time to book a flight from St. Louis to Marco Island

Have a flexible travel schedule? Discover the best time to fly to Marco Island 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Marco Island

How far ahead should I book a flight from St. Louis to Marco Island?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Marco Island. Price data was last updated on September 12, 2025.

Booking 33 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Marco Island. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from St. Louis to Marco Island?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Marco Island (average of $232). Flying from St. Louis to Marco Island in March is currently the most expensive (average of $289). 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.

What is the cheapest time of day to fly from STL to MA9?

Find hourly flight availability from St. Louis to Marco Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from St. Louis to Marco Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from St. Louis to Marco Island?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Marco Island. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their St. Louis to Marco Island flight should consider departing on Monday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from St. Louis to Marco Island

Explore weekly flight availability from St. Louis to Marco Island. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2025.

The most flights from STL to MA9 are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Marco Island

Get insights into the airlines that provide service to Marco Island. 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 Marco Island. Reviews last updated September 17, 2025.
See what other customers who have flown with Southwest, Delta, and American Airlines from St. Louis to Marco Island have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,173 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • What airport do you fly from for flights from St. Louis to Marco Island?

    For a flight from St. Louis to Marco Island, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 2 outbound flights to Marco Island per day. 7 airlines have flights to Marco Island from Lambert-St Louis on a regular basis.

  • How popular is this St. Louis to Marco Island flight route?

    Within the past month, 56 users have taken a look at flights from Lambert-St Louis to Marco Island.

  • How long is the flight from St. Louis to Marco Island?

    Departing from St. Louis to Marco Island will take you 6h 14m. The distance between St. Louis and Marco Island is about 1069 mi.

  • What are the most reliable airlines from St. Louis to Marco Island?

    The top 3 most reliable airlines when flying from St. Louis to Marco Island are Envoy Air (100%), GOL (100%) and American Airlines (93%).

  • What are the cheapest flights from St. Louis to Marco Island?

    While on average a flight from St. Louis to Marco Island is generally $760, our data shows the cheapest flight currently is $139. When looking at the most popular route, (Lambert-St Louis - Miami), you can expect to pay $185 for that flight.

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

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

  • How can I find direct flights from St. Louis to Marco Island?

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

  • Can I find deals for business class flights from St. Louis to Marco Island?

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

  • What is the cheapest month to book a flight from St. Louis to Marco Island?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Marco Island (average of $232). Flying from St. Louis to Marco Island in March is currently the most expensive (average of $289). 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.

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Alternative routes for St. Louis to Marco Island

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Top 7 airlines flying from St. Louis to Marco Island

Discover the top 7 airlines that operate flights from St. Louis to Marco Island. 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 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$68Average$155FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$86Average$128FlexibilityNo cancel feeOn-time88%
FrontierCheapest$143Average$230FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$194Average$446FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$196Average$410FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$392FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$284Average$458FlexibilityNo cancel feeOn-time69%

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