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Marco Island

$68+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MIA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 11, 2025.

Round-trip from

$168
(Frontier)

One-way from

$68
(Trip.com)

Popular in

March

Cheapest in

August

Average price

$349
From Lambert-St Louis to Marco Island
Search Deals
One-way flight from Lambert-St Louis to Marco Island
Search Deals
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. 3% 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 11, 2025.

This Frontier deal was found by Cheapflights users on 9/10. 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
Sun 11/210:30 amMIA - STL
1 stop7h 58mFrontier
Deal found 9/10$168
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:17 amSTL - MIA
1 stop6h 16mMultiple Airlines
Mon 11/36:00 amMIA - STL
2 stops28h 07mMultiple Airlines
Deal found 9/10$172
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:49 amSTL - MIA
1 stop11h 38mFrontier
Mon 10/66:00 amMIA - STL
1 stop28h 07mFrontier
Deal found 9/9$173
This Southwest deal was found by Cheapflights users on 9/9. 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 10/286:35 pmSTL - MIA
Nonstop2h 40mSouthwest
Tue 11/41:45 pmMIA - STL
1 stop8h 15mSouthwest
Deal found 9/9$178
This Booking.com deal was found by Cheapflights users on 9/11. 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.
Thu 10/2310:17 amSTL - MIA
1 stop6h 16mFrontier
Sun 10/266:00 amMIA - STL
1 stop28h 07mFrontier
Deal found 9/11$179
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:45 pmSTL - MIA
1 stop9h 34mFrontier
Sun 11/165:01 amMIA - STL
1 stop6h 11mFrontier
Deal found 9/9$180
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:49 amSTL - MIA
1 stop11h 38mMultiple Airlines
Tue 10/77:23 pmMIA - STL
2 stops38h 44mMultiple Airlines
Deal found 9/9$182
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:22 pmSTL - MIA
1 stop13h 32mMultiple Airlines
Wed 11/56:31 pmMIA - STL
1 stop23h 56mMultiple Airlines
Deal found 9/9$184
This Frontier deal was found by Cheapflights users on 9/11. 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 10/210:49 amSTL - MIA
2 stops12h 23mFrontier
Sun 10/55:30 amMIA - STL
1 stop10h 34mFrontier
Deal found 9/11$185
This Frontier deal was found by Cheapflights users on 9/10. 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 9/2510:49 amSTL - MIA
2 stops12h 23mFrontier
Mon 9/295:30 amMIA - STL
1 stop10h 34mFrontier
Deal found 9/10$186
This Southwest deal was found by Cheapflights users on 9/9. 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 10/76:35 pmSTL - MIA
Nonstop2h 40mSouthwest
Tue 10/147:35 amMIA - STL
1 stop7h 35mSouthwest
Deal found 9/9$187

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 11, 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

Tue 11/11

10:28 am-4:07 pm

1 stop6h 39m

$197

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 10/11

5:25 pm-12:29 am

1 stop6h 04m

Miami

Sat 10/18

6:00 am-9:15 am

1 stop4h 15m

$197

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 10/14

11:21 am-5:10 pm

1 stop4h 49m

Miami

Tue 10/21

8:11 am-12:35 pm

1 stop5h 24m

$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

$197

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 10/7

2:15 pm-9:27 pm

1 stop6h 12m

Miami

Tue 10/14

8:11 am-12:35 pm

1 stop5h 24m

$198

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 10/7

6:35 pm-10:15 pm

Nonstop2h 40m

Miami

Tue 10/14

10:30 am-12:30 pm

Nonstop3h 00m

$207

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sun 11/2

5:05 pm-11:25 pm

1 stop5h 20m

Miami

Tue 11/4

4:55 pm-6:55 pm

Nonstop3h 00m

$214

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 10/27

12:35 pm-4:15 pm

Nonstop2h 40m

Miami

Tue 11/4

6:55 am-1:50 pm

2 stops7h 55m

$215

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

$217

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 10/14

6:35 pm-10:15 pm

Nonstop2h 40m

$74

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 16 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 August 29, 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 11, 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 11, 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 11, 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
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

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
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

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
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

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
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

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
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

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 (95%) 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 $1,066, 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 $145 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$68Average$157FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$86Average$128FlexibilityNo cancel feeOn-time88%
FrontierCheapest$143Average$233FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$194Average$446FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$196Average$411FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$391FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$284Average$461FlexibilityNo cancel feeOn-time69%

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