$86+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MIA
Jul 21 — Jul 281
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 October, booked 84 days in advance, depart on a Saturday or Sunday and return on a Thursday
Cheap flight deals from St. Louis to Marco Island
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Best
Last-minute
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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 June 21, 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 June 21, 2026.
This Frontier deal was found by Cheapflights users on 6/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:08 pm
STL
- MIA
1 stop8h 09m
Frontier
Mon 8/106:00 am
MIA
- STL
1 stop14h 23m
Frontier
Deal found 6/16![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 6/20. 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.
Fri 7/174:57 pm
STL
- MIA
1 stop5h 08m
Frontier
Tue 7/2111:19 am
MIA
- STL
1 stop7h 18m
Frontier
Deal found 6/20![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 6/20. 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.
Sat 7/114:57 pm
STL
- MIA
1 stop5h 43m
Frontier
Sat 7/186:00 am
MIA
- STL
1 stop14h 23m
Frontier
Deal found 6/20![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Tue 7/148:08 pm
STL
- MIA
2 stops19h 25m
Frontier
Tue 7/285:28 pm
MIA
- STL
1 stop16h 29m
Frontier
Deal found 6/20![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Tue 6/306:31 pm
STL
- MIA
1 stop18h 18m
Frontier
Fri 7/35:26 pm
MIA
- STL
1 stop16h 26m
Frontier
Deal found 6/16![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 6/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:57 pm
STL
- MIA
1 stop5h 08m
Frontier
Mon 8/106:00 am
MIA
- STL
1 stop14h 23m
Frontier
Deal found 6/16![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 6/20. 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.
Fri 8/78:08 pm
STL
- MIA
1 stop8h 43m
Frontier
Sat 8/156:00 am
MIA
- STL
1 stop14h 23m
Frontier
Deal found 6/20![Frontier logo]()
$255
This Frontier deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:57 pm
STL
- MIA
1 stop5h 08m
Frontier
Mon 7/206:00 am
MIA
- STL
1 stop14h 23m
Frontier
Deal found 6/17![Frontier logo]()
$256
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:40 am
STL
- MIA
1 stop8h 20m
Southwest
Tue 8/114:05 pm
MIA
- STL
1 stop6h 05m
Southwest
Deal found 6/17![Southwest logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Tue 9/2910:35 am
STL
- MIA
2 stops18h 13m
Frontier
Sat 10/36:45 am
MIA
- STL
1 stop27h 55m
Frontier
Deal found 6/18![Frontier logo]()
$258
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:00 am
STL
- MIA
Nonstop2h 53m
American Airlines
Wed 9/95:21 pm
MIA
- STL
1 stop6h 21m
American Airlines
Deal found 6/18![American Airlines logo]()
$260
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 June 21, 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 June 21, 2026.
This Southwest deal was found by Cheapflights users on 6/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/182:30 pm
STL
- MIA
1 stop7h 35m
Southwest
Sat 7/257:15 am
MIA
- STL
Nonstop2h 50m
Southwest
Deal found 6/20![Southwest logo]()
$281
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:00 am
STL
- MIA
2 stops9h 52m
United Airlines
Wed 8/197:00 am
MIA
- STL
2 stops9h 38m
United Airlines
Deal found 6/20![United Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:05 am
STL
- MIA
1 stop5h 05m
Southwest
Sat 8/297:45 am
MIA
- STL
Nonstop2h 45m
Southwest
Deal found 6/17![Southwest logo]()
$306
This Southwest deal was found by Cheapflights users on 6/16. 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 7/48:25 am
STL
- MIA
Nonstop2h 40m
Southwest
Tue 7/77:40 am
MIA
- STL
Nonstop2h 50m
Southwest
Deal found 6/16![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 6/16. 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 6/3012:45 pm
STL
- MIA
Nonstop2h 40m
Southwest
Fri 7/37:15 am
MIA
- STL
Nonstop2h 50m
Southwest
Deal found 6/16![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 6/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:40 am
STL
- MIA
2 stops9h 25m
Southwest
Tue 9/157:10 am
MIA
- STL
2 stops9h 00m
Southwest
Deal found 6/20![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 6/16. 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 6/3012:45 pm
STL
- MIA
Nonstop2h 40m
Southwest
Sat 7/47:05 am
MIA
- STL
1 stop7h 20m
Southwest
Deal found 6/16![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 6/19. 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.
Sat 9/58:30 am
STL
- MIA
2 stops9h 45m
Southwest
Sun 9/136:45 am
MIA
- STL
2 stops8h 55m
Southwest
Deal found 6/19![Southwest logo]()
$381
This Southwest deal was found by Cheapflights users on 6/18. 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.
Mon 7/612:45 pm
STL
- MIA
Nonstop2h 40m
Southwest
Sat 7/117:15 am
MIA
- STL
Nonstop2h 50m
Southwest
Deal found 6/18![Southwest logo]()
$424
This Southwest deal was found by Cheapflights users on 6/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:20 am
STL
- MIA
2 stops10h 30m
Southwest
Fri 9/1811:45 am
MIA
- STL
2 stops8h 20m
Southwest
Deal found 6/20![Southwest logo]()
$435
This Southwest deal was found by Cheapflights users on 6/16. 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 6/2712:50 pm
STL
- MIA
2 stops8h 15m
Southwest
Tue 6/3011:25 am
MIA
- STL
2 stops8h 50m
Southwest
Deal found 6/16![Southwest logo]()
$448
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:40 am
STL
- MIA
2 stops7h 45m
Southwest
Tue 7/76:00 am
MIA
- STL
2 stops7h 35m
Southwest
Deal found 6/17![Southwest logo]()
$448
Last-minute flights from St. Louis to Marco IslandDiscover last-minute flight deals from St. Louis to Marco Island. Data last updated June 21, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Marco Island. Data last updated June 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Tue 6/306:31 pm
STL
- MIA
1 stop18h 18m
Frontier
Fri 7/35:26 pm
MIA
- STL
1 stop16h 26m
Frontier
Deal found 6/16![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:06 pm
STL
- MIA
1 stop19h 47m
Frontier
Wed 7/85:28 pm
MIA
- STL
1 stop25h 09m
Frontier
Deal found 6/17![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/104:57 pm
STL
- MIA
1 stop19h 56m
Frontier
Sun 7/128:30 am
MIA
- STL
1 stop25h 27m
Frontier
Deal found 6/17![Frontier logo]()
$257
This Frontier deal was found by Cheapflights users on 6/20. 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.
Sat 7/114:57 pm
STL
- MIA
1 stop5h 43m
Frontier
Sat 7/186:00 am
MIA
- STL
1 stop14h 23m
Frontier
Deal found 6/20![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/114:57 pm
STL
- MIA
1 stop29h 08m
Frontier
Wed 7/1510:15 pm
MIA
- STL
2 stops20h 22m
Frontier
Deal found 6/18![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Tue 7/148:08 pm
STL
- MIA
2 stops19h 25m
Frontier
Tue 7/285:28 pm
MIA
- STL
1 stop16h 29m
Frontier
Deal found 6/20![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Tue 7/147:03 pm
STL
- MIA
2 stops20h 30m
Frontier
Tue 7/215:28 pm
MIA
- STL
1 stop16h 29m
Frontier
Deal found 6/18![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 6/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:57 pm
STL
- MIA
1 stop5h 08m
Frontier
Mon 7/206:00 am
MIA
- STL
1 stop14h 23m
Frontier
Deal found 6/16![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 6/20. 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.
Fri 7/174:57 pm
STL
- MIA
1 stop5h 08m
Frontier
Tue 7/2111:19 am
MIA
- STL
1 stop7h 18m
Frontier
Deal found 6/20![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 6/20. 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.
Fri 7/174:57 pm
STL
- MIA
1 stop5h 08m
Frontier
Sat 7/256:00 am
MIA
- STL
1 stop14h 23m
Frontier
Deal found 6/20![Frontier logo]()
$255
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 June 21, 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 June 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/104:57 pm
STL
- MIA
1 stop19h 56m
Frontier
Deal found 6/18![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Wed 7/224:57 pm
STL
- MIA
1 stop29h 08m
Frontier
Deal found 6/18![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Mon 7/204:57 pm
STL
- MIA
1 stop29h 08m
Frontier
Deal found 6/20![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/244:57 pm
STL
- MIA
1 stop19h 56m
Frontier
Deal found 6/18![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/134:57 pm
STL
- MIA
1 stop19h 56m
Frontier
Deal found 6/18![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Wed 7/84:57 pm
STL
- MIA
1 stop29h 08m
Frontier
Deal found 6/18![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Sun 7/196:34 pm
STL
- MIA
1 stop18h 19m
Frontier
Deal found 6/16![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Sun 9/1310:35 am
STL
- MIA
1 stop24h 30m
Frontier
Deal found 6/19![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 9/1610:35 am
STL
- MIA
1 stop21h 23m
Frontier
Deal found 6/20![Frontier logo]()
$94
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:35 am
STL
- MIA
Nonstop2h 40m
Southwest
Deal found 6/17![Southwest logo]()
$102
This American Airlines deal was found by Cheapflights users on 6/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:00 am
STL
- MIA
Nonstop2h 53m
American Airlines
Deal found 6/20![American Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Mon 8/104:57 pm
STL
- MIA
1 stop23h 50m
Frontier
Deal found 6/16![Frontier logo]()
$104
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 June 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $246 (Frontier) |
One-way from | $86 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $467 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Marco Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 21, 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
Sat 7/18
2:30 pm-11:05 pm
1 stop7h 35m
Miami
Sat 7/25
7:15 am-9:05 am
Nonstop2h 50m
$281
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Fri 8/21
6:05 am-12:10 pm
1 stop5h 05m
Miami
Sat 8/29
7:45 am-9:30 am
Nonstop2h 45m
$306
Quickest round-trip
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sat 7/4
8:25 am-12:05 pm
Nonstop2h 40m
Miami
Tue 7/7
7:40 am-9:30 am
Nonstop2h 50m
$328
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Tue 6/30
12:45 pm-4:25 pm
Nonstop2h 40m
Miami
Fri 7/3
7:15 am-9:05 am
Nonstop2h 50m
$359
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Fri 9/11
11:40 am-10:05 pm
2 stops9h 25m
Miami
Tue 9/15
7:10 am-3:10 pm
2 stops9h 00m
$360
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Tue 6/30
12:45 pm-4:25 pm
Nonstop2h 40m
Miami
Sat 7/4
7:05 am-1:25 pm
1 stop7h 20m
$369
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sat 9/5
8:30 am-7:15 pm
2 stops9h 45m
Miami
Sun 9/13
6:45 am-2:40 pm
2 stops8h 55m
$381
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Mon 7/6
12:45 pm-4:25 pm
Nonstop2h 40m
Miami
Sat 7/11
7:15 am-9:05 am
Nonstop2h 50m
$424
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sun 9/13
11:20 am-10:50 pm
2 stops10h 30m
Miami
Fri 9/18
11:45 am-7:05 pm
2 stops8h 20m
$435
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Tue 8/18
8:00 am-6:52 pm
2 stops9h 52m
Miami
Wed 8/19
7:00 am-3:38 pm
2 stops9h 38m
$439
Showing 1-10 of 22 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
What is the cheapest time of day to fly from STL to MA9?
Find hourly flight availability from St. Louis to Marco Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 21, 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 17% versus a flight at noon.
Weekly flight availability from St. Louis to Marco Island
Explore weekly flight availability from St. Louis to Marco Island. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 21, 2026.
The most flights from STL to MA9 are scheduled on a Sunday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from St. Louis to Marco Island?
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 June 20, 2026.
Travelers seeking maximum savings on their St. Louis to Marco Island flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday evenings 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 June 21, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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.
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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 June 21, 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 June 21, 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 June 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$242 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$126 | Average$222 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$150 | Average$452 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$192 | Average$452 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$194 | Average$406 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$220 | Average$408 | FlexibilityNo cancel fee | On-time62% |