Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Miami to St. Louis from $68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Miami to St. Louis departing on 2/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Miami to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:05 am - 6:51 am
MIA
-
STL
26h 46m
1 stop
Multiple Airlines Logo
8:22 pm - 12:16 pm
STL
-
MIA
14h 54m
1 stop
$135Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Frontier Logo
7:09 pm - 6:51 am
MIA
-
STL
12h 42m
1 stop
Frontier Logo
8:22 pm - 10:59 am
STL
-
MIA
13h 37m
1 stop
$151Frontier
Thu, Feb 5 - Sat, Feb 7
Frontier Logo
5:45 am - 3:53 pm
MIA
-
STL
11h 08m
1 stop
Frontier Logo
2:51 pm - 5:14 am
STL
-
MIA
13h 23m
1 stop
$170Frontier
Wed, Feb 25 - Sat, Feb 28
Multiple Airlines Logo
8:51 pm - 6:51 am
MIA
-
STL
35h 00m
2 stops
Multiple Airlines Logo
2:51 pm - 5:14 am
STL
-
MIA
13h 23m
1 stop
$171Multiple Airlines
Sat, Jan 31 - Sat, Feb 14
Frontier Logo
5:05 am - 6:51 am
MIA
-
STL
26h 46m
1 stop
Frontier Logo
2:09 pm - 12:47 am
STL
-
MIA
9h 38m
1 stop
$175Frontier
Fri, Feb 27 - Fri, Mar 6
Multiple Airlines Logo
7:12 am - 6:51 am
MIA
-
STL
24h 39m
2 stops
Multiple Airlines Logo
8:22 pm - 12:16 pm
STL
-
MIA
14h 54m
1 stop
$177Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Frontier Logo
6:18 pm - 11:18 am
MIA
-
STL
18h 00m
1 stop
Frontier Logo
2:51 pm - 5:14 am
STL
-
MIA
13h 23m
1 stop
$179Frontier
Sat, Jan 31 - Sat, Feb 14
Frontier Logo
6:25 am - 1:56 pm
MIA
-
STL
8h 31m
1 stop
Frontier Logo
4:51 pm - 5:14 am
STL
-
MIA
11h 23m
1 stop
$180Frontier
Sat, Feb 21 - Wed, Feb 25
Frontier Logo
7:09 pm - 6:51 am
MIA
-
STL
12h 42m
1 stop
Frontier Logo
11:00 am - 10:59 am
STL
-
MIA
22h 59m
2 stops
$181Frontier
Thu, Feb 5 - Sat, Feb 7
Multiple Airlines Logo
7:05 am - 6:51 am
MIA
-
STL
24h 46m
1 stop
Multiple Airlines Logo
8:17 pm - 12:42 am
STL
-
MIA
27h 25m
1 stop
$183Multiple Airlines
Sun, Feb 22 - Wed, Feb 25

Frontier flights from Miami to St. Louis

Our best Frontier deals on Miami to St. Louis flight tickets
Frontier
Feb 5
MIA7:09 pmMiami
12h 42m
1 stop
STL6:51 amLambert-St Louis
Feb 7
STL8:22 pmLambert-St Louis
13h 37m
1 stop
MIA10:59 amMiami
$151
Frontier
Feb 25
MIA5:45 amMiami
11h 08m
1 stop
STL3:53 pmLambert-St Louis
Feb 28
STL2:51 pmLambert-St Louis
13h 23m
1 stop
MIA5:14 amMiami
$170
Frontier
Feb 27
MIA5:05 amMiami
26h 46m
1 stop
STL6:51 amLambert-St Louis
Mar 6
STL2:09 pmLambert-St Louis
9h 38m
1 stop
MIA12:47 amMiami
$175

American Airlines flights from Miami to St. Louis

Our best American Airlines deals on Miami to St. Louis flight tickets
American Airlines
Feb 10
MIA3:19 pmMiami
3h 03m
STL5:22 pmLambert-St Louis
Feb 24
STL5:14 amLambert-St Louis
2h 55m
MIA9:09 amMiami
$305
American Airlines
Feb 10
MIA9:55 pmMiami
3h 04m
STL11:59 pmLambert-St Louis
Feb 24
STL5:14 amLambert-St Louis
2h 55m
MIA9:09 amMiami
$309
American Airlines
Feb 10
MIA9:55 pmMiami
3h 04m
STL11:59 pmLambert-St Louis
Feb 24
STL9:23 amLambert-St Louis
5h 56m
1 stop
MIA4:19 pmMiami
$319

momondo Fare Finder

 
Customize your flight search to find flights from Miami to St. Louis 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, momondo users made 832,500 searches. Data last updated January 14, 2026.
Use the filters below to find and compare flights from Miami to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Fri 2/20

5:05 am-6:51 am

1 stop26h 46m

Lambert-St Louis

Fri 2/27

8:22 pm-12:16 pm

1 stop14h 54m

$135

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Thu 2/5

7:09 pm-6:51 am

1 stop12h 42m

Lambert-St Louis

Sat 2/7

8:22 pm-10:59 am

1 stop13h 37m

$151

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Wed 2/25

5:45 am-3:53 pm

1 stop11h 08m

Lambert-St Louis

Sat 2/28

2:51 pm-5:14 am

1 stop13h 23m

$170

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Sat 1/31

8:51 pm-6:51 am

2 stops35h 00m

Lambert-St Louis

Sat 2/14

2:51 pm-5:14 am

1 stop13h 23m

$171

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Fri 2/27

5:05 am-6:51 am

1 stop26h 46m

Lambert-St Louis

Fri 3/6

2:09 pm-12:47 am

1 stop9h 38m

$175

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Fri 2/20

7:12 am-6:51 am

2 stops24h 39m

Lambert-St Louis

Fri 2/27

8:22 pm-12:16 pm

1 stop14h 54m

$177

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Sat 1/31

6:18 pm-11:18 am

1 stop18h 00m

Lambert-St Louis

Sat 2/14

2:51 pm-5:14 am

1 stop13h 23m

$179

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Sat 2/21

6:25 am-1:56 pm

1 stop8h 31m

Lambert-St Louis

Wed 2/25

4:51 pm-5:14 am

1 stop11h 23m

$180

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Thu 2/5

7:09 pm-6:51 am

1 stop12h 42m

Lambert-St Louis

Sat 2/7

11:00 am-10:59 am

2 stops22h 59m

$181

MiamiSt. Louis

MIA - STL

MIASTL

Miami

Sun 2/22

7:05 am-6:51 am

1 stop24h 46m

Lambert-St Louis

Wed 2/25

8:17 pm-12:42 am

1 stop27h 25m

$183

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to St. Louis from

How to get the cheapest flight ticket from Miami to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

In general, October is the cheapest month to fly from Miami to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $272. The month of August is another great option to travel to St. Louis, with average flight prices from Miami averaging around $297.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $339. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $537. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Miami in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $348 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $468 per ticket.

What is the cheapest Miami to Lambert-St Louis flight route?

Fly from Miami to Lambert-St Louis for the best Miami - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $356 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Miami for as low as $192 on momondo.

What cabin class options are available on Miami to Lambert-St Louis flights?

There are 3 cabin classes available to choose from on Miami to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Miami to St. Louis flights?

You could potentially save up to 57% on your flight if you consider stops on a Miami to St. Louis flight.

How have Miami to St. Louis flight prices changed over time?

As of January 2026, prices for Miami to St. Louis flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Miami to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Miami to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Miami to St. Louis (MIA to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Miami to St. Louis

Best Price Found

$209

Fastest flight time

2h 50m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Miami in the past 72 hours is $209. The best round-trip flight deal from Miami to St. Louis found on momondo in the last 72 hours is $361.
The fastest flight from Miami to St. Louis takes 2h 50m
Direct flights go from Miami to St. Louis every day.
There is 1 airport in St. Louis. From Miami there are direct flights to Lambert-St Louis (STL).
Search flight deals

  • How far is Miami to Lambert-St Louis by plane?

    A flight from Miami to Lambert-St Louis will travel around 1061.2 mi. 2h 50m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Miami Airport to Lambert-St Louis Airport?

    Prices for flights from Miami Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Miami Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Miami Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Miami Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Miami to St. Louis?

  • What is the most popular airline from Miami to St. Louis?

Best airlines flying from Miami to St. Louis

Compare and see reviews for airlines that fly from Miami to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $80Free CancellationRating
6.3
8,319 reviews
Search Spirit Airlines flights
FrontierPriceFrom $164Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
SouthwestPriceFrom $186Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
DeltaPriceFrom $196Free CancellationRating
7.9
8,048 reviews
Search Delta flights
American AirlinesPriceFrom $211Free CancellationRating
7.2
11,129 reviews
Search American Airlines flights

  • Southwest Flights From Miami to St. Louis

    Southwest operates around 4 flights from Miami to St. Louis every week. The average price of these flights found in the last 72 hours has been $348, but momondo users have found Southwest deals from Miami to St. Louis from as low as $186 round-trip. Southwest has been scored 8.0/10 in 4,257 reviews.

  • American Airlines Flights From Miami to St. Louis

    The best American Airlines deal for Miami to St. Louis flight tickets found on momondo in the last 72 hours was $211, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $368 round-trip. American Airlines operates 15 flights out of Miami into St. Louis in an average week, so prices vary by time and availability. 11,118 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Fenton
Collinsville
St. Peters
Wentzville
Alton
Farmington
Clayton
Eureka
Edwardsville
Festus
Glencoe
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Miami to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Miami to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from Miami to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from Miami on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Miami to St. Louis?

Once all potential Miami to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Miami to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Miami. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 2/13
Fri 2/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States