HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Marco Island

$55+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MIA
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Marco Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 2, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$55
(Flightnetwork)

Popular in

March

Cheapest in

August

Average price

$380
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).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 2, 2025.

This American Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 7/305:00 amSTL - MIA
Nonstop2h 49mAmerican Airlines
Wed 8/610:09 pmMIA - STL
Nonstop2h 50mAmerican Airlines
Deal found 7/2$189
This Southwest deal was found by Cheapflights users on 7/1. 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.
Wed 9/1711:35 amSTL - MIA
2 stops8h 35mSouthwest
Mon 9/226:55 pmMIA - STL
Nonstop2h 50mSouthwest
Deal found 7/1$192
This Priceline deal was found by Cheapflights users on 6/30. 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 7/102:36 pmSTL - MIA
1 stop5h 03mFrontier
Sat 7/126:00 amMIA - STL
1 stop8h 59mFrontier
Deal found 6/30$193
This FlightHub deal was found by Cheapflights users on 6/30. 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.
Sun 8/1010:47 amSTL - MIA
1 stop22h 24mSpirit Airlines
Wed 8/133:40 pmMIA - STL
1 stop22h 52mSpirit Airlines
Deal found 6/30$197
This FlightHub deal was found by Cheapflights users on 6/30. 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.
Wed 9/177:55 pmSTL - MIA
1 stop27h 49mMultiple Airlines
Wed 9/244:48 pmMIA - STL
1 stop21h 47mMultiple Airlines
Deal found 6/30$198
This Delta deal was found by Cheapflights users on 7/2. 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.
Sun 8/37:11 pmSTL - MIA
1 stop4h 44mDelta
Thu 8/75:30 amMIA - STL
1 stop5h 11mDelta
Deal found 7/2$201

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 July 2, 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

Wed 7/30

5:00 am-8:49 am

Nonstop2h 49m

Miami

Wed 8/6

10:09 pm-11:59 pm

Nonstop2h 50m

$189

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 9/17

11:35 am-9:10 pm

2 stops8h 35m

Miami

Mon 9/22

6:55 pm-8:45 pm

Nonstop2h 50m

$192

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sun 8/17

2:36 pm-8:39 pm

1 stop5h 03m

Miami

Sat 8/23

7:05 am-1:33 pm

1 stop7h 28m

$194

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sun 8/10

10:47 am-10:11 am

1 stop22h 24m

Miami

Wed 8/13

3:40 pm-1:32 pm

1 stop22h 52m

$197

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 9/17

7:55 pm-12:44 am

1 stop27h 49m

Miami

Wed 9/24

4:48 pm-1:35 pm

1 stop21h 47m

$198

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sun 8/3

7:11 pm-12:55 am

1 stop4h 44m

Miami

Tue 8/5

5:30 am-9:41 am

1 stop5h 11m

$201

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 10/20

8:44 am-6:53 pm

1 stop9h 09m

$55

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Mon 8/11

7:29 pm-6:30 am

1 stop10h 01m

$56

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 10/29

6:35 pm-10:15 pm

Nonstop2h 40m

$89

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 11/5

5:27 am-9:20 am

Nonstop2h 53m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 12 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 27, 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 $231). 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 July 2, 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.

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 July 2, 2025.
See what other customers who have flown with Southwest, Delta, and United 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
4,272 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

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
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

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
7,983 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

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
8,861 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

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
4,272 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

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
8,103 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

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 1 outbound flight 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, 45 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 $55. Frontier flights start at $56 while deals on Southwest start at $89 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 Southwest (73%), Qatar Airways (69%) and American Airlines (67%).

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

    While on average a flight from St. Louis to Marco Island is generally $605, our data shows the cheapest flight currently is $108. When looking at the most popular route, (Lambert-St Louis - Miami), you can expect to pay $156 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 $231). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Marco Island

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Miami flights
St. Louis to Miami flights
St. Louis to Orlando flights
Kansas City to Fort Lauderdale flights
Kansas City to Orlando flights
Kansas City to Tampa flights
St. Louis to Fort Lauderdale flights
St. Louis to Tampa flights
Kansas City to Sarasota flights
St. Louis to Panama City flights
Kansas City to Pensacola flights
Kansas City to West Palm Beach flights
St. Louis to Pensacola flights
St. Louis to Key West flights
St. Louis to Sarasota flights
Kansas City to Fort Myers flights
Kansas City to Jacksonville flights
Kansas City to Panama City flights
St. Louis to West Palm Beach flights
Kansas City to Key West flights
Springfield to Fort Lauderdale flights
Springfield to Orlando flights
Springfield to Miami flights
St. Louis to Fort Myers flights
St. Louis to Jacksonville flights
Springfield to St Petersburg flights
Springfield to Tampa flights
Springfield to Fort Myers flights
Kansas City to Valparaiso flights
Kansas City to Orlando Sanford Intl flights
St. Louis to Melbourne flights
St. Louis to Valparaiso flights
Springfield to Valparaiso flights
Springfield to West Palm Beach flights
Springfield to Sarasota flights
Joplin to Sarasota flights
Joplin to Orlando flights
Kansas City to Daytona Beach flights
Springfield to Pensacola flights
Joplin to Tampa flights
St. Louis to Tallahassee flights
Springfield to Key West flights
Kansas City to St Petersburg flights
Springfield to Melbourne flights
Kansas City to Melbourne flights
St. Louis to Daytona Beach flights
Springfield to Jacksonville flights
St. Louis to Gainesville flights
Kansas City to Gainesville flights
St. Louis to St Petersburg flights

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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$68Average$158FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$88Average$128FlexibilityNo cancel feeOn-time88%
FrontierCheapest$128Average$244FlexibilityNo cancel feeOn-time62%
DeltaCheapest$200Average$393FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$201Average$405FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$239Average$446FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$292Average$459FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.