Expect security screening at STL to take 5-10 minutes during off-peak times. Check real-time wait times online before heading to the airport.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $218 (Kiwi.com) |
One-way from | $55 (Frontier) |
Popular in | March |
Cheapest in | September |
Average price | $419 |
Good round-trip deal | $369 or less |
Good one-way deal | $144 or less |
Fly from
Fly to
Route
Depart
Return
Price
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Fri 1/30
6:57 pm-12:51 am
1 stop4h 54m
Miami
Sat 2/7
8:15 am-11:56 am
1 stop4h 41m
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Mon 12/8
1:57 pm-8:51 pm
1 stop5h 54m
Miami
Wed 12/17
8:05 am-12:57 pm
1 stop5h 52m
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Fri 1/9
1:15 pm-10:00 pm
2 stops7h 45m
Miami
Mon 1/19
6:30 am-2:10 pm
2 stops8h 40m
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Thu 12/11
8:45 am-12:25 pm
Nonstop2h 40m
Miami
Sun 12/14
6:55 am-10:20 am
1 stop4h 25m
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Thu 1/29
6:57 pm-12:51 am
1 stop4h 54m
Miami
Sun 2/1
7:15 am-11:06 am
1 stop4h 51m
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Wed 11/26
3:05 pm-10:55 pm
2 stops6h 50m
Miami
Wed 12/3
9:30 am-5:20 pm
2 stops8h 50m
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Mon 1/5
6:40 am-5:50 pm
2 stops10h 10m
Miami
Fri 1/9
12:55 pm-9:00 pm
2 stops9h 05m
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Thu 1/15
6:25 am-5:10 pm
2 stops9h 45m
Miami
Mon 1/19
6:30 am-2:10 pm
2 stops8h 40m
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Fri 12/12
2:30 pm-11:25 pm
2 stops7h 55m
Miami
Thu 12/18
6:55 am-2:15 pm
2 stops8h 20m
St. LouisMiami
STL - MIA
STLMIA
Lambert-St Louis
Fri 12/5
1:20 pm-9:50 pm
2 stops7h 30m
Miami
Mon 12/8
6:55 am-3:50 pm
2 stops9h 55m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
The price you pay for your flight from St. Louis to Miami may vary depending on when you book. For the best chance of a lower fare, look to book 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, February is the cheapest month in which you can book a flight from St. Louis to Miami (average of $68). Flying from St. Louis to Miami in June is currently the most expensive (average of $124). 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.
A simple way to save on the total cost of your ticket is to fly from St. Louis to Miami in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their St. Louis to Miami flight should consider departing on Monday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Dallas (DAL) – chosen by Cheapflights users on 50% of 1-stop itineraries from St. Louis to Miami on Cheapflights.
Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 5h 03m.
Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 5h 03m.
Flights via Dallas (DAL) offer the fastest connection on this route, with an average layover time of 1h 25m.
Boarding
Food
Entertainment
Overall
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Boarding
Food
Entertainment
Overall
Crew
Comfort
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Mike,Aug 2025
OKC - AUS
Boarding
Food
Entertainment
Overall
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Comfort
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Mike,Aug 2025
OKC - AUS
Boarding
Food
Entertainment
Overall
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Comfort
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Mike,Aug 2025
OKC - AUS
Boarding
Food
Entertainment
Overall
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Boarding
Food
Entertainment
Overall
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$76 | Average$162 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$142 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$400 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$410 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$271 | Average$461 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$279 | Average$458 | FlexibilityNo cancel fee | On-time69% |