$65+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MIA
Apr 22 — Apr 291
Round-trip
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 Monday or Sunday and return on a Thursday
Cheap flight deals from St. Louis to Marco Island
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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 March 23, 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 March 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Fri 4/108:16 pm
STL
- MIA
2 stops15h 50m
Multiple Airlines
Sun 4/193:54 pm
MIA
- STL
1 stop15h 56m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$279
This Frontier deal was found by Cheapflights users on 3/21. 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 3/288:12 pm
STL
- MIA
1 stop8h 26m
Frontier
Sun 4/55:05 am
MIA
- STL
1 stop6h 25m
Frontier
Deal found 3/21![Frontier logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 4/1611:25 am
STL
- MIA
1 stop12h 24m
Frontier
Tue 4/217:04 pm
MIA
- STL
1 stop12h 46m
Frontier
Deal found 3/22![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/96:29 pm
STL
- MIA
1 stop5h 20m
Frontier
Fri 4/105:45 am
MIA
- STL
2 stops19h 13m
Frontier
Deal found 3/18![Frontier logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Sun 4/1911:16 am
STL
- MIA
1 stop12h 33m
Frontier
Thu 4/235:05 am
MIA
- STL
2 stops19h 14m
Frontier
Deal found 3/22![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 4/144:59 pm
STL
- MIA
2 stops18h 04m
Frontier
Sat 4/187:00 am
MIA
- STL
1 stop13h 32m
Frontier
Deal found 3/22![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 5/76:55 pm
STL
- MIA
1 stop13h 45m
Multiple Airlines
Mon 5/118:00 am
MIA
- STL
2 stops12h 23m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 5/268:08 pm
STL
- MIA
2 stops16h 12m
Frontier
Thu 6/48:10 am
MIA
- STL
1 stop10h 23m
Frontier
Deal found 3/22![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/248:06 pm
STL
- MIA
2 stops13h 06m
Multiple Airlines
Sun 4/263:54 pm
MIA
- STL
1 stop15h 56m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$289
This Frontier deal was found by Cheapflights users on 3/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:08 pm
STL
- MIA
1 stop8h 25m
Frontier
Sat 6/206:00 am
MIA
- STL
1 stop14h 23m
Frontier
Deal found 3/20![Frontier logo]()
$290
This Travelocity deal was found by Cheapflights users on 3/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:06 pm
STL
- MIA
1 stop7h 59m
Frontier
Mon 5/47:00 am
MIA
- STL
1 stop13h 32m
Frontier
Deal found 3/22![Frontier logo]()
$291
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 March 23, 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 March 23, 2026.
This Southwest deal was found by Cheapflights users on 3/22. 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 5/314:40 pm
STL
- MIA
1 stop5h 05m
Southwest
Fri 6/56:20 am
MIA
- STL
2 stops13h 10m
Southwest
Deal found 3/22![Southwest logo]()
$372
This United Airlines deal was found by Cheapflights users on 3/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:00 am
STL
- MIA
1 stop8h 47m
United Airlines
Fri 4/249:15 am
MIA
- STL
2 stops13h 37m
United Airlines
Deal found 3/18![United Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:05 pm
STL
- MIA
1 stop4h 51m
Delta
Sat 6/206:00 am
MIA
- STL
1 stop4h 40m
Delta
Deal found 3/18![Delta logo]()
$452
This Southwest deal was found by Cheapflights users on 3/19. 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 4/172:15 pm
STL
- MIA
2 stops6h 45m
Southwest
Mon 4/206:05 am
MIA
- STL
1 stop7h 50m
Southwest
Deal found 3/19![Southwest logo]()
$384
This Delta deal was found by Cheapflights users on 3/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:15 pm
STL
- MIA
1 stop6h 28m
Delta
Thu 6/187:00 am
MIA
- STL
1 stop4h 45m
Delta
Deal found 3/19![Delta logo]()
$452
This United Airlines deal was found by Cheapflights users on 3/22. 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.
Sun 4/197:45 am
STL
- MIA
1 stop6h 20m
United Airlines
Wed 4/229:15 am
MIA
- STL
2 stops12h 58m
United Airlines
Deal found 3/22![United Airlines logo]()
$456
This Southwest deal was found by Cheapflights users on 3/21. 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.
Mon 5/112:10 pm
STL
- MIA
2 stops6h 50m
Southwest
Fri 5/155:30 am
MIA
- STL
2 stops10h 25m
Southwest
Deal found 3/21![Southwest logo]()
$420
This United Airlines deal was found by Cheapflights users on 3/21. 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 4/226:00 am
STL
- MIA
1 stop8h 47m
United Airlines
Fri 4/249:15 am
MIA
- STL
2 stops12h 58m
United Airlines
Deal found 3/21![United Airlines logo]()
$456
This Southwest deal was found by Cheapflights users on 3/19. 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.
Mon 5/181:45 pm
STL
- MIA
2 stops6h 40m
Southwest
Sun 5/247:00 am
MIA
- STL
2 stops13h 00m
Southwest
Deal found 3/19![Southwest logo]()
$426
This United Airlines deal was found by Cheapflights users on 3/22. 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.
Sat 5/309:23 am
STL
- MIA
2 stops13h 02m
United Airlines
Sat 6/67:07 am
MIA
- STL
2 stops9h 39m
United Airlines
Deal found 3/22![United Airlines logo]()
$462
This Southwest deal was found by Cheapflights users on 3/21. 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 5/232:25 pm
STL
- MIA
2 stops7h 50m
Southwest
Sun 5/316:10 am
MIA
- STL
2 stops9h 25m
Southwest
Deal found 3/21![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/62:30 pm
STL
- MIA
1 stop7h 30m
Southwest
Sun 6/75:35 am
MIA
- STL
2 stops9h 30m
Southwest
Deal found 3/18![Southwest logo]()
$446
Last-minute flights from St. Louis to Marco IslandDiscover last-minute flight deals from St. Louis to Marco Island. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Marco Island. Data last updated March 23, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/21. 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 3/288:12 pm
STL
- MIA
1 stop8h 26m
Frontier
Sun 4/55:05 am
MIA
- STL
1 stop6h 25m
Frontier
Deal found 3/21![Frontier logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/96:29 pm
STL
- MIA
1 stop5h 20m
Frontier
Fri 4/105:45 am
MIA
- STL
2 stops19h 13m
Frontier
Deal found 3/18![Frontier logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Fri 4/108:16 pm
STL
- MIA
2 stops15h 50m
Multiple Airlines
Sun 4/193:54 pm
MIA
- STL
1 stop15h 56m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$279
This Frontier deal was found by Cheapflights users on 3/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:19 pm
STL
- MIA
1 stop8h 30m
Frontier
Sat 4/187:00 am
MIA
- STL
1 stop13h 32m
Frontier
Deal found 3/18![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 4/144:59 pm
STL
- MIA
2 stops18h 04m
Frontier
Sat 4/187:00 am
MIA
- STL
1 stop13h 32m
Frontier
Deal found 3/22![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 4/1611:25 am
STL
- MIA
1 stop12h 24m
Frontier
Tue 4/217:04 pm
MIA
- STL
1 stop12h 46m
Frontier
Deal found 3/22![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 4/164:59 pm
STL
- MIA
2 stops30h 50m
Multiple Airlines
Sun 4/193:54 pm
MIA
- STL
1 stop15h 56m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$294
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:16 pm
STL
- MIA
1 stop14h 16m
Frontier
Mon 4/207:00 am
MIA
- STL
1 stop8h 36m
Frontier
Deal found 3/18![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Sun 4/1911:16 am
STL
- MIA
1 stop12h 33m
Frontier
Thu 4/235:05 am
MIA
- STL
2 stops19h 14m
Frontier
Deal found 3/22![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/248:06 pm
STL
- MIA
2 stops13h 06m
Multiple Airlines
Sun 4/263:54 pm
MIA
- STL
1 stop15h 56m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Fri 4/248:23 pm
STL
- MIA
1 stop16h 47m
Frontier
Mon 4/277:00 am
MIA
- STL
1 stop13h 32m
Frontier
Deal found 3/18![Frontier logo]()
$292
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 March 23, 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 March 23, 2026.
This Trip.com deal was found by Cheapflights users on 3/18. 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.
Tue 5/126:33 pm
STL
- MIA
1 stop20h 54m
Frontier
Deal found 3/18![Frontier logo]()
$65
This Trip.com deal was found by Cheapflights users on 3/19. 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 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 stop27h 26m
Frontier
Deal found 3/19![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/228:23 pm
STL
- MIA
1 stop25h 08m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$72
This Trip.com deal was found by Cheapflights users on 3/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:23 pm
STL
- MIA
1 stop27h 26m
Frontier
Deal found 3/19![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Fri 4/178:23 pm
STL
- MIA
1 stop16h 47m
Frontier
Deal found 3/18![Frontier logo]()
$79
This Frontier deal was found by Cheapflights users on 3/22. 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.
Mon 4/208:17 pm
STL
- MIA
1 stop7h 48m
Frontier
Deal found 3/22![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Fri 5/85:27 pm
STL
- MIA
1 stop20h 59m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Sat 4/258:23 pm
STL
- MIA
1 stop12h 49m
Frontier
Deal found 3/18![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 5/165:27 pm
STL
- MIA
1 stop15h 13m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$84
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 March 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $279 (Kiwi.com) |
One-way from | $65 (Trip.com) |
Popular in | March |
Cheapest in | September |
Average price | $460 |
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 March 23, 2026.
Use the filters below to find and compare flights from St. Louis to Marco Island that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sun 5/31
4:40 pm-10:45 pm
1 stop5h 05m
Miami
Fri 6/5
6:20 am-6:30 pm
2 stops13h 10m
$372
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Fri 4/17
2:15 pm-10:00 pm
2 stops6h 45m
Miami
Mon 4/20
6:05 am-12:55 pm
1 stop7h 50m
$384
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Mon 5/11
2:10 pm-10:00 pm
2 stops6h 50m
Miami
Fri 5/15
5:30 am-2:55 pm
2 stops10h 25m
$420
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Mon 5/18
1:45 pm-9:25 pm
2 stops6h 40m
Miami
Sun 5/24
7:00 am-7:00 pm
2 stops13h 00m
$426
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sat 5/23
2:25 pm-11:15 pm
2 stops7h 50m
Miami
Sun 5/31
6:10 am-2:35 pm
2 stops9h 25m
$433
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sat 6/6
2:30 pm-11:00 pm
1 stop7h 30m
Miami
Sun 6/7
5:35 am-2:05 pm
2 stops9h 30m
$446
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Mon 4/20
6:00 am-3:47 pm
1 stop8h 47m
Miami
Fri 4/24
9:15 am-9:52 pm
2 stops13h 37m
$450
Quickest round-trip
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sun 6/7
7:05 pm-12:56 am
1 stop4h 51m
Miami
Sat 6/20
6:00 am-9:40 am
1 stop4h 40m
$452
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sat 6/6
5:15 pm-12:43 am
1 stop6h 28m
Miami
Thu 6/18
7:00 am-10:45 am
1 stop4h 45m
$452
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sun 4/19
7:45 am-3:05 pm
1 stop6h 20m
Miami
Wed 4/22
9:15 am-9:13 pm
2 stops12h 58m
$456
Showing 1-10 of 20 resultsSorted by cheapest first
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 March 13, 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 $149). 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 March 23, 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 24% versus a flight at noon.
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 March 14, 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. Friday 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 March 23, 2026.
The most flights from STL to MA9 are scheduled on a Saturday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 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 March 23, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican 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.
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 March 23, 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 March 23, 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 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 March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$74 | Average$158 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$124 | Average$374 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$127 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$150 | Average$458 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$186 | Average$392 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$189 | Average$443 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$220 | Average$408 | FlexibilityNo cancel fee | On-time62% |