$67+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MIA
Mar 22 — Mar 291
1 adult, Economy
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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 September or August, booked 33 days in advance, depart on a Sunday or Monday and return on a Thursday
Cheap flight deals from St. Louis to Marco Island
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to Marco IslandExplore 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 February 20, 2026.
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 February 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 2/263:49 pm
STL
- MIA
2 stops31h 53m
Frontier
Fri 3/65:05 am
MIA
- STL
1 stop7h 44m
Frontier
Deal found 2/19![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:17 pm
STL
- MIA
1 stop14h 59m
Multiple Airlines
Sun 3/85:50 am
MIA
- STL
1 stop28h 59m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/231:54 pm
STL
- MIA
2 stops20h 46m
Multiple Airlines
Thu 2/267:09 pm
MIA
- STL
1 stop12h 42m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Fri 3/2012:16 pm
STL
- MIA
1 stop11h 31m
Frontier
Sun 3/224:09 pm
MIA
- STL
2 stops22h 25m
Frontier
Deal found 2/19![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Mon 3/168:12 pm
STL
- MIA
2 stops13h 22m
Multiple Airlines
Thu 3/193:12 pm
MIA
- STL
1 stop23h 22m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 2/283:49 pm
STL
- MIA
2 stops17h 34m
Frontier
Fri 3/65:05 am
MIA
- STL
1 stop7h 44m
Frontier
Deal found 2/19![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Wed 3/48:17 pm
STL
- MIA
1 stop13h 11m
Multiple Airlines
Sat 3/79:18 pm
MIA
- STL
2 stops36h 31m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/510:11 pm
STL
- MIA
2 stops23h 57m
Frontier
Mon 3/95:05 am
MIA
- STL
1 stop9h 14m
Frontier
Deal found 2/18![Frontier logo]()
$298
This Southwest deal was found by Cheapflights users on 2/19. 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 3/174:05 pm
STL
- MIA
1 stop5h 10m
Southwest
Tue 3/245:30 am
MIA
- STL
1 stop8h 10m
Southwest
Deal found 2/19![Southwest logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/278:22 pm
STL
- MIA
1 stop13h 06m
Frontier
Mon 3/27:09 pm
MIA
- STL
2 stops28h 18m
Frontier
Deal found 2/17![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Fri 3/278:12 pm
STL
- MIA
1 stop8h 26m
Multiple Airlines
Mon 3/303:12 pm
MIA
- STL
1 stop20h 20m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Mon 3/168:12 pm
STL
- MIA
2 stops13h 22m
Frontier
Fri 3/205:05 am
MIA
- STL
1 stop9h 29m
Frontier
Deal found 2/18![Frontier logo]()
$302
Best flights from St. Louis to Marco IslandDiscover carefully curated flight deals from St. Louis to Marco Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2026.
Discover carefully curated flight deals from St. Louis to Marco Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2026.
This Southwest deal was found by Cheapflights users on 2/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/173:10 pm
STL
- MIA
2 stops6h 05m
Southwest
Tue 3/246:55 am
MIA
- STL
2 stops8h 35m
Southwest
Deal found 2/16![Southwest logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:06 pm
STL
- MIA
2 stops23h 01m
Multiple Airlines
Tue 3/175:50 am
MIA
- STL
1 stop28h 59m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 4/226:30 am
STL
- MIA
2 stops9h 34m
United Airlines
Wed 4/2912:24 pm
MIA
- STL
1 stop7h 04m
United Airlines
Deal found 2/19![United Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 2/19. 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 3/174:05 pm
STL
- MIA
1 stop5h 10m
Southwest
Wed 3/185:35 pm
MIA
- STL
1 stop6h 30m
Southwest
Deal found 2/19![Southwest logo]()
$299
This Southwest deal was found by Cheapflights users on 2/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:50 pm
STL
- MIA
Nonstop2h 40m
Southwest
Mon 5/186:05 am
MIA
- STL
1 stop5h 10m
Southwest
Deal found 2/16![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:41 am
STL
- MIA
1 stop8h 47m
United Airlines
Tue 3/172:21 pm
MIA
- STL
1 stop7h 46m
United Airlines
Deal found 2/16![United Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 2/19. 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 3/253:10 pm
STL
- MIA
2 stops6h 05m
Southwest
Tue 3/3112:40 pm
MIA
- STL
2 stops8h 20m
Southwest
Deal found 2/19![Southwest logo]()
$338
This Southwest deal was found by Cheapflights users on 2/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/162:25 pm
STL
- MIA
2 stops7h 35m
Southwest
Mon 5/186:40 am
MIA
- STL
2 stops9h 50m
Southwest
Deal found 2/16![Southwest logo]()
$350
This Southwest deal was found by Cheapflights users on 2/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/279:55 pm
STL
- MIA
1 stop12h 15m
Southwest
Tue 3/311:15 pm
MIA
- STL
Nonstop3h 10m
Southwest
Deal found 2/16![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 2/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2612:25 pm
STL
- MIA
Nonstop2h 40m
Southwest
Sat 5/27:00 am
MIA
- STL
1 stop8h 00m
Southwest
Deal found 2/16![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 2/19. 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.
Fri 5/154:40 pm
STL
- MIA
1 stop5h 10m
Southwest
Tue 5/193:00 pm
MIA
- STL
Nonstop2h 55m
Southwest
Deal found 2/19![Southwest logo]()
$359
Last-minute flights from St. Louis to Marco IslandDiscover last-minute flight deals from St. Louis to Marco Island. Data last updated February 20, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Marco Island. Data last updated February 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/231:54 pm
STL
- MIA
2 stops20h 46m
Multiple Airlines
Thu 2/267:09 pm
MIA
- STL
1 stop12h 42m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:17 pm
STL
- MIA
1 stop14h 59m
Multiple Airlines
Sun 3/85:50 am
MIA
- STL
1 stop28h 59m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 2/263:49 pm
STL
- MIA
2 stops31h 53m
Frontier
Fri 3/65:05 am
MIA
- STL
1 stop7h 44m
Frontier
Deal found 2/19![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/278:22 pm
STL
- MIA
1 stop13h 06m
Frontier
Mon 3/27:09 pm
MIA
- STL
2 stops28h 18m
Frontier
Deal found 2/17![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 2/283:49 pm
STL
- MIA
2 stops17h 34m
Frontier
Fri 3/65:05 am
MIA
- STL
1 stop7h 44m
Frontier
Deal found 2/19![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Wed 3/48:17 pm
STL
- MIA
1 stop13h 11m
Multiple Airlines
Sat 3/79:18 pm
MIA
- STL
2 stops36h 31m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/510:11 pm
STL
- MIA
2 stops23h 57m
Frontier
Mon 3/95:05 am
MIA
- STL
1 stop9h 14m
Frontier
Deal found 2/18![Frontier logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Mon 3/168:12 pm
STL
- MIA
2 stops13h 22m
Multiple Airlines
Thu 3/193:12 pm
MIA
- STL
1 stop23h 22m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Mon 3/168:12 pm
STL
- MIA
2 stops13h 22m
Frontier
Fri 3/205:05 am
MIA
- STL
1 stop9h 29m
Frontier
Deal found 2/18![Frontier logo]()
$302
This Southwest deal was found by Cheapflights users on 2/19. 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 3/174:05 pm
STL
- MIA
1 stop5h 10m
Southwest
Tue 3/245:30 am
MIA
- STL
1 stop8h 10m
Southwest
Deal found 2/19![Southwest logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Fri 3/2012:16 pm
STL
- MIA
1 stop11h 31m
Frontier
Sun 3/224:09 pm
MIA
- STL
2 stops22h 25m
Frontier
Deal found 2/19![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Fri 3/278:12 pm
STL
- MIA
1 stop8h 26m
Multiple Airlines
Mon 3/303:12 pm
MIA
- STL
1 stop20h 20m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$301
One-way flights from St. Louis to Marco IslandSearch for one-way flight options from St. Louis to Marco Island. Find affordable one-way fares based on user searches. Data last updated February 20, 2026.
Search for one-way flight options from St. Louis to Marco Island. Find affordable one-way fares based on user searches. Data last updated February 20, 2026.
This Trip.com deal was found by Cheapflights users on 2/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:23 pm
STL
- MIA
1 stop12h 49m
Frontier
Deal found 2/18![Frontier logo]()
$67
This WAYA deal was found by Cheapflights users on 2/19. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:32 am
STL
- MIA
1 stop7h 35m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Tue 4/711:21 am
STL
- MIA
1 stop7h 46m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Wed 4/158:23 pm
STL
- MIA
1 stop14h 50m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Mon 3/92:09 pm
STL
- MIA
1 stop21h 57m
Frontier
Deal found 2/19![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:12 pm
STL
- MIA
1 stop7h 53m
Frontier
Deal found 2/17![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:32 am
STL
- MIA
1 stop12h 15m
Frontier
Deal found 2/17![Frontier logo]()
$85
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:17 pm
STL
- MIA
1 stop7h 48m
Frontier
Deal found 2/19![Frontier logo]()
$90
Find 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 February 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $291 (Kiwi.com) |
One-way from | $67 (Trip.com) |
Popular in | March |
Cheapest in | September |
Average price | $409 |
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 February 20, 2026.
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
Tue 3/17
3:10 pm-10:15 pm
2 stops6h 05m
Miami
Tue 3/24
6:55 am-2:30 pm
2 stops8h 35m
$293
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Tue 3/17
4:05 pm-10:15 pm
1 stop5h 10m
Miami
Wed 3/18
5:35 pm-11:05 pm
1 stop6h 30m
$299
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Thu 3/12
8:06 pm-8:07 pm
2 stops23h 01m
Miami
Tue 3/17
5:50 am-9:49 am
1 stop28h 59m
$307
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Thu 5/14
1:50 pm-5:30 pm
Nonstop2h 40m
Miami
Mon 5/18
6:05 am-10:15 am
1 stop5h 10m
$329
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Wed 3/25
3:10 pm-10:15 pm
2 stops6h 05m
Miami
Tue 3/31
12:40 pm-8:00 pm
2 stops8h 20m
$338
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Wed 4/22
6:30 am-5:04 pm
2 stops9h 34m
Miami
Wed 4/29
12:24 pm-6:28 pm
1 stop7h 04m
$340
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sat 5/16
2:25 pm-11:00 pm
2 stops7h 35m
Miami
Mon 5/18
6:40 am-3:30 pm
2 stops9h 50m
$350
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Fri 3/27
9:55 pm-11:10 am
1 stop12h 15m
Miami
Tue 3/31
1:15 pm-3:25 pm
Nonstop3h 10m
$351
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sun 4/26
12:25 pm-4:05 pm
Nonstop2h 40m
Miami
Sat 5/2
7:00 am-2:00 pm
1 stop8h 00m
$351
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Fri 5/15
4:40 pm-10:50 pm
1 stop5h 10m
Miami
Tue 5/19
3:00 pm-4:55 pm
Nonstop2h 55m
$359
Showing 1-10 of 19 results
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.
STL-MIA
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
STL-MA9
STL-MIA
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 February 20, 2026.
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, April is the cheapest month in which you can book a flight from St. Louis to Marco Island (average of $68). Flying from St. Louis to Marco Island in February is currently the most expensive (average of $130). 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 February 20, 2026.
When flying from St. Louis to Marco Island, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 14% versus a flight in the morning.
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 February 17, 2026.
Travelers seeking maximum savings on their St. Louis to Marco Island flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday at noon 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 February 20, 2026.
The most flights from STL to MA9 are scheduled on a Thursday (9 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 February 20, 2026.
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.
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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Alternative routes for St. Louis to Marco Island
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Marco Island by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Marco Island by cabin class
Find flights from St. Louis to Marco Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Marco Island flights
Browse other St. Louis and Marco Island flight options. Last updated on February 20, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on February 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Marco Island flights
Consider these flights traveling from St. Louis to Marco Island.
Top 6 airlines flying from St. Louis to Marco Island
Discover the top 6 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 February 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$154 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$116 | Average$214 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$124 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$150 | Average$467 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$186 | Average$395 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$192 | Average$447 | FlexibilityNo cancel fee | On-time63% |