$62+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MIA
Jun 17 — Jun 241
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 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 May 18, 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 May 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 7/196:33 pm
STL
- MIA
1 stop21h 00m
Frontier
Mon 7/278:30 am
MIA
- STL
2 stops16h 29m
Frontier
Deal found 5/14![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 5/14. 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.
Tue 6/98:08 pm
STL
- MIA
1 stop8h 46m
Frontier
Tue 6/168:30 am
MIA
- STL
1 stop10h 00m
Frontier
Deal found 5/14![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:38 pm
STL
- MIA
1 stop9h 16m
Frontier
Tue 6/238:30 am
MIA
- STL
1 stop10h 00m
Frontier
Deal found 5/13![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 9/2310:35 am
STL
- MIA
1 stop9h 29m
Frontier
Mon 9/285:16 pm
MIA
- STL
2 stops41h 24m
Frontier
Deal found 5/15![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 6/125:06 pm
STL
- MIA
1 stop26h 29m
Frontier
Tue 6/168:30 am
MIA
- STL
1 stop10h 00m
Frontier
Deal found 5/15![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 5/17. 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.
Tue 5/266:51 pm
STL
- MIA
1 stop11h 09m
Frontier
Tue 6/98:30 am
MIA
- STL
1 stop10h 00m
Frontier
Deal found 5/17![Frontier logo]()
$260
This Delta deal was found by Cheapflights users on 5/15. 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 9/53:42 pm
STL
- MIA
1 stop6h 06m
Delta
Sat 9/127:30 pm
MIA
- STL
1 stop5h 07m
Delta
Deal found 5/15![Delta logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 6/275:06 pm
STL
- MIA
1 stop5h 28m
Frontier
Tue 6/303:40 pm
MIA
- STL
2 stops18h 12m
Frontier
Deal found 5/15![Frontier logo]()
$262
This American Airlines deal was found by Cheapflights users on 5/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:08 pm
STL
- MIA
Nonstop2h 42m
American Airlines
Mon 10/269:20 pm
MIA
- STL
Nonstop2h 55m
American Airlines
Deal found 5/17![American Airlines logo]()
$263
This American Airlines deal was found by Cheapflights users on 5/15. 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 9/511:35 am
STL
- MIA
Nonstop2h 54m
American Airlines
Sat 9/1211:22 am
MIA
- STL
Nonstop3h 00m
American Airlines
Deal found 5/15![American Airlines logo]()
$264
This Frontier deal was found by Cheapflights users on 5/13. 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 9/1110:35 am
STL
- MIA
1 stop9h 29m
Frontier
Mon 9/147:20 am
MIA
- STL
1 stop12h 55m
Frontier
Deal found 5/13![Frontier logo]()
$265
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 May 18, 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 May 18, 2026.
This Southwest deal was found by Cheapflights users on 5/17. 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.
Sat 7/184:20 pm
STL
- MIA
1 stop4h 45m
Southwest
Mon 7/207:15 am
MIA
- STL
Nonstop2h 50m
Southwest
Deal found 5/17![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 5/13. 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 7/281:13 pm
STL
- MIA
1 stop21h 11m
United Airlines
Tue 8/48:48 am
MIA
- STL
2 stops13h 38m
United Airlines
Deal found 5/13![United Airlines logo]()
$491
This Southwest deal was found by Cheapflights users on 5/13. 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 8/87:50 am
STL
- MIA
1 stop6h 10m
Southwest
Thu 8/1312:25 pm
MIA
- STL
Nonstop2h 50m
Southwest
Deal found 5/13![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 5/15. 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 9/712:30 pm
STL
- MIA
Nonstop2h 40m
Southwest
Thu 9/105:45 am
MIA
- STL
1 stop8h 20m
Southwest
Deal found 5/15![Southwest logo]()
$353
This Southwest deal was found by Cheapflights users on 5/14. 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 7/123:55 pm
STL
- MIA
Nonstop2h 45m
Southwest
Fri 8/75:45 am
MIA
- STL
1 stop8h 20m
Southwest
Deal found 5/14![Southwest logo]()
$429
This Southwest deal was found by Cheapflights users on 5/14. 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 6/192:30 pm
STL
- MIA
2 stops6h 35m
Southwest
Tue 6/234:20 pm
MIA
- STL
2 stops8h 20m
Southwest
Deal found 5/14![Southwest logo]()
$439
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Sun 6/77:05 pm
STL
- MIA
2 stops20h 11m
United Airlines
Sat 6/135:20 pm
MIA
- STL
1 stop7h 15m
United Airlines
Deal found 5/16![United Airlines logo]()
$632
This Southwest deal was found by Cheapflights users on 5/15. 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 10/911:40 am
STL
- MIA
2 stops10h 00m
Southwest
Mon 10/127:15 am
MIA
- STL
2 stops8h 55m
Southwest
Deal found 5/15![Southwest logo]()
$489
This United Airlines deal was found by Cheapflights users on 5/15. 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 7/46:00 am
STL
- MIA
2 stops12h 26m
United Airlines
Sun 7/124:12 pm
MIA
- STL
1 stop6h 14m
United Airlines
Deal found 5/15![United Airlines logo]()
$667
This Southwest deal was found by Cheapflights users on 5/15. 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 6/1512:40 pm
STL
- MIA
2 stops8h 55m
Southwest
Sat 6/207:00 am
MIA
- STL
2 stops11h 55m
Southwest
Deal found 5/15![Southwest logo]()
$496
This Southwest deal was found by Cheapflights users on 5/16. 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 5/3112:25 pm
STL
- MIA
Nonstop2h 40m
Southwest
Wed 6/33:00 pm
MIA
- STL
Nonstop2h 55m
Southwest
Deal found 5/16![Southwest logo]()
$583
This Southwest deal was found by Cheapflights users on 5/13. 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 6/125:50 am
STL
- MIA
2 stops7h 45m
Southwest
Fri 6/124:00 pm
MIA
- STL
2 stops8h 10m
Southwest
Deal found 5/13![Southwest logo]()
$638
Last-minute flights from St. Louis to Marco IslandDiscover last-minute flight deals from St. Louis to Marco Island. Data last updated May 18, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Marco Island. Data last updated May 18, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 5/17. 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.
Tue 5/266:51 pm
STL
- MIA
1 stop11h 09m
Frontier
Tue 6/98:30 am
MIA
- STL
1 stop10h 00m
Frontier
Deal found 5/17![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 5/14. 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.
Tue 5/266:51 pm
STL
- MIA
1 stop11h 09m
Frontier
Thu 6/411:23 am
MIA
- STL
1 stop7h 10m
Frontier
Deal found 5/14![Frontier logo]()
$274
This Expedia deal was found by Cheapflights users on 5/14. 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.
Wed 6/38:08 pm
STL
- MIA
1 stop8h 25m
Frontier
Mon 6/86:30 am
MIA
- STL
1 stop13h 53m
Frontier
Deal found 5/14![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 6/76:33 pm
STL
- MIA
1 stop27h 14m
Frontier
Sun 6/148:30 am
MIA
- STL
1 stop25h 22m
Frontier
Deal found 5/14![Frontier logo]()
$272
This Frontier deal was found by Cheapflights users on 5/14. 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.
Tue 6/98:08 pm
STL
- MIA
1 stop8h 46m
Frontier
Tue 6/168:30 am
MIA
- STL
1 stop10h 00m
Frontier
Deal found 5/14![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 5/14. 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.
Tue 6/98:08 pm
STL
- MIA
1 stop8h 46m
Frontier
Thu 6/117:00 am
MIA
- STL
1 stop12h 18m
Frontier
Deal found 5/14![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 6/125:06 pm
STL
- MIA
1 stop26h 29m
Frontier
Tue 6/168:30 am
MIA
- STL
1 stop10h 00m
Frontier
Deal found 5/15![Frontier logo]()
$258
This Southwest deal was found by Cheapflights users on 5/17. 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.
Sat 6/131:45 pm
STL
- MIA
Nonstop2h 45m
Southwest
Mon 6/157:15 am
MIA
- STL
Nonstop2h 50m
Southwest
Deal found 5/17![Southwest logo]()
$267
This Frontier deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:38 pm
STL
- MIA
1 stop9h 16m
Frontier
Tue 6/238:30 am
MIA
- STL
1 stop10h 00m
Frontier
Deal found 5/13![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 6/275:06 pm
STL
- MIA
1 stop5h 28m
Frontier
Tue 6/303:40 pm
MIA
- STL
2 stops18h 12m
Frontier
Deal found 5/15![Frontier logo]()
$262
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 May 18, 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 May 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/154:52 pm
STL
- MIA
1 stop5h 44m
Frontier
Deal found 5/13![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 6/125:06 pm
STL
- MIA
1 stop26h 29m
Frontier
Deal found 5/15![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 7/134:52 pm
STL
- MIA
1 stop29h 13m
Frontier
Deal found 5/15![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/104:52 pm
STL
- MIA
1 stop22h 41m
Frontier
Deal found 5/13![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 7/56:33 pm
STL
- MIA
1 stop21h 00m
Frontier
Deal found 5/14![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/74:52 pm
STL
- MIA
1 stop26h 37m
Frontier
Deal found 5/13![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 5/17. 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 7/154:52 pm
STL
- MIA
1 stop5h 13m
Frontier
Deal found 5/17![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 6/186:31 pm
STL
- MIA
1 stop27h 32m
Frontier
Deal found 5/14![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 6/55:27 pm
STL
- MIA
1 stop22h 00m
Frontier
Deal found 5/14![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 8/144:52 pm
STL
- MIA
1 stop26h 37m
Frontier
Deal found 5/17![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 8/136:33 pm
STL
- MIA
1 stop27h 32m
Frontier
Deal found 5/16![Frontier logo]()
$100
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 May 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $253 (Kiwi.com) |
One-way from | $62 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $431 |
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 May 18, 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
4:20 pm-10:05 pm
1 stop4h 45m
Miami
Mon 7/20
7:15 am-9:05 am
Nonstop2h 50m
$277
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sat 8/8
7:50 am-3:00 pm
1 stop6h 10m
Miami
Thu 8/13
12:25 pm-2:15 pm
Nonstop2h 50m
$352
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Mon 9/7
12:30 pm-4:10 pm
Nonstop2h 40m
Miami
Thu 9/10
5:45 am-1:05 pm
1 stop8h 20m
$353
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sun 7/12
3:55 pm-7:40 pm
Nonstop2h 45m
Miami
Fri 8/7
5:45 am-1:05 pm
1 stop8h 20m
$429
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Fri 6/19
2:30 pm-10:05 pm
2 stops6h 35m
Miami
Tue 6/23
4:20 pm-11:40 pm
2 stops8h 20m
$439
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Fri 10/9
11:40 am-10:40 pm
2 stops10h 00m
Miami
Mon 10/12
7:15 am-3:10 pm
2 stops8h 55m
$489
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Tue 7/28
1:13 pm-11:24 am
1 stop21h 11m
Miami
Tue 8/4
8:48 am-9:26 pm
2 stops13h 38m
$491
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Mon 6/15
12:40 pm-10:35 pm
2 stops8h 55m
Miami
Sat 6/20
7:00 am-5:55 pm
2 stops11h 55m
$496
Quickest round-trip
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sun 5/31
12:25 pm-4:05 pm
Nonstop2h 40m
Miami
Wed 6/3
3:00 pm-4:55 pm
Nonstop2h 55m
$583
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Sun 6/7
7:05 pm-4:16 pm
2 stops20h 11m
Miami
Sat 6/13
5:20 pm-11:35 pm
1 stop7h 15m
$632
Showing 1-10 of 23 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 May 18, 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 22% 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 May 16, 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.
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 May 18, 2026.
The most flights from STL to MA9 are scheduled on a Friday (6 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from St. Louis to Marco Island?
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 May 18, 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.
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
7.9
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 May 18, 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 May 18, 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 May 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$149 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$127 | Average$220 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$150 | Average$458 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$162 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$400 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$189 | Average$446 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$220 | Average$414 | FlexibilityNo cancel fee | On-time62% |