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Marco Island

$70+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MIA
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 Tuesday

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 June 18, 2025.

Round-trip from

$198
(Cheapflightsfares)

One-way from

$70
(Mytrip)

Popular in

March

Cheapest in

August

Average price

$429
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. 9% potential increase in price ($40 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 June 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 June 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:44 amSTL - MIA
1 stop9h 09mSpirit Airlines
Sun 9/217:58 pmMIA - STL
1 stop12h 51mSpirit Airlines
Deal found 6/17$198
This Frontier deal was found by Cheapflights users on 6/15. 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 6/272:27 pmSTL - MIA
1 stop14h 18mFrontier
Sun 6/296:00 amMIA - STL
1 stop8h 40mFrontier
Deal found 6/15$200
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/88:05 amSTL - MIA
Nonstop2h 50mSouthwest
Thu 7/174:35 pmMIA - STL
Nonstop2h 55mSouthwest
Deal found 6/17$201
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/283:41 pmSTL - MIA
1 stop6h 14mDelta
Wed 7/308:02 amMIA - STL
1 stop5h 32mDelta
Deal found 6/17$211
This FlightHub deal was found by Cheapflights users on 6/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/511:00 amSTL - MIA
1 stop8h 39mMultiple Airlines
Thu 7/104:51 pmMIA - STL
1 stop18h 01mMultiple Airlines
Deal found 6/17$215
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Mon 8/115:26 amSTL - MIA
Nonstop2h 48mAmerican Airlines
Mon 8/1810:09 pmMIA - STL
Nonstop2h 50mAmerican Airlines
Deal found 6/17$218
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:15 amSTL - MIA
1 stop8h 31mUnited Airlines
Wed 8/2712:04 pmMIA - STL
1 stop7h 54mUnited Airlines
Deal found 6/17$286

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 June 18, 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

Fri 9/12

8:44 am-6:53 pm

1 stop9h 09m

Miami

Sun 9/21

7:58 pm-7:49 am

1 stop12h 51m

$198

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sun 6/29

2:27 pm-5:45 am

1 stop14h 18m

Miami

Sat 7/5

6:00 am-10:15 am

1 stop5h 15m

$200

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 7/8

8:05 am-11:55 am

Nonstop2h 50m

Miami

Thu 7/17

4:35 pm-6:30 pm

Nonstop2h 55m

$201

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 7/28

3:41 pm-10:55 pm

1 stop6h 14m

Miami

Wed 7/30

8:02 am-12:34 pm

1 stop5h 32m

$211

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 7/5

11:00 am-8:39 pm

1 stop8h 39m

Miami

Thu 7/10

4:51 pm-9:52 am

1 stop18h 01m

$215

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 8/11

5:26 am-9:14 am

Nonstop2h 48m

Miami

Mon 8/18

10:09 pm-11:59 pm

Nonstop2h 50m

$218

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Fri 8/22

6:15 am-3:46 pm

1 stop8h 31m

Miami

Wed 8/27

12:04 pm-6:58 pm

1 stop7h 54m

$286

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 9/25

8:44 am-6:53 pm

1 stop9h 09m

$70

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Thu 9/4

5:28 am-9:17 am

Nonstop2h 49m

$87

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 8/18

8:25 am-3:51 pm

1 stop6h 26m

$95

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 14 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 June 13, 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 $229). 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 June 18, 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 June 18, 2025.

The most flights from STL to MA9 are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Marco Island by month

Plan your trip to Marco Island by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Marco Island ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Marco Island when rainfall is around 1.6 in.

Temperature in Marco Island by month

Plan your trip to Marco Island by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Marco Island, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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 June 18, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from St. Louis to Marco Island to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,964 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,806 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,064 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 3 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, 38 users have taken a look at flights from Lambert-St Louis to Marco Island.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $70. American Airlines flights start at $88 while deals on United Airlines start at $95 one-way.

  • 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 Qatar Airways (91%), Southwest (80%) and American Airlines (79%).

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

    While on average a flight from St. Louis to Marco Island is generally $978, our data shows the cheapest flight currently is $125. When looking at the most popular route, (Lambert-St Louis - Miami), you can expect to pay $162 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 $229). 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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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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$68Average$152FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$88Average$128FlexibilityNo cancel feeOn-time88%
FrontierCheapest$128Average$241FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$395FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$201Average$400FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$292Average$449FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$292Average$458FlexibilityNo cancel feeOn-time69%

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