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Cheap flights from Mobile to St. Louis from $309

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Mobile to St. Louis departing on 2/19. 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

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Find the cheapest flights from Mobile to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:23 am - 11:01 am
MOB
-
STL
5h 38m
1 stop
American Airlines Logo
4:13 pm - 11:10 pm
STL
-
MOB
6h 57m
1 stop
$309American Airlines
Thu, Feb 19 - Mon, Feb 23
American Airlines Logo
5:15 am - 3:18 pm
MOB
-
STL
10h 03m
2 stops
American Airlines Logo
4:13 pm - 11:10 pm
STL
-
MOB
6h 57m
1 stop
$314American Airlines
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
4:55 pm - 10:28 pm
MOB
-
STL
5h 33m
1 stop
United Airlines Logo
6:00 am - 11:50 am
STL
-
MOB
5h 50m
1 stop
$328United Airlines
Sat, Apr 4 - Sun, Apr 19
Delta Logo
6:48 pm - 11:58 pm
MOB
-
STL
5h 10m
1 stop
Delta Logo
6:59 pm - 11:28 pm
STL
-
MOB
4h 29m
1 stop
$334Delta
Thu, Mar 26 - Tue, Mar 31
United Airlines Logo
4:55 pm - 10:14 pm
MOB
-
STL
5h 19m
1 stop
United Airlines Logo
4:28 pm - 9:59 pm
STL
-
MOB
5h 31m
1 stop
$339United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
12:45 pm - 9:05 pm
MOB
-
STL
8h 20m
2 stops
United Airlines Logo
4:28 pm - 9:59 pm
STL
-
MOB
5h 31m
1 stop
$344United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
12:45 pm - 9:05 pm
MOB
-
STL
8h 20m
2 stops
United Airlines Logo
7:41 am - 6:13 pm
STL
-
MOB
10h 32m
2 stops
$349United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
10:24 am - 3:38 pm
MOB
-
STL
5h 14m
1 stop
United Airlines Logo
4:28 pm - 9:59 pm
STL
-
MOB
5h 31m
1 stop
$374United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
12:45 pm - 9:05 pm
MOB
-
STL
8h 20m
2 stops
United Airlines Logo
6:00 am - 12:04 pm
STL
-
MOB
6h 04m
1 stop
$379United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
12:45 pm - 9:05 pm
MOB
-
STL
8h 20m
2 stops
United Airlines Logo
9:55 am - 8:39 pm
STL
-
MOB
10h 44m
2 stops
$384United Airlines
Tue, Feb 24 - Sat, Feb 28

United Airlines flights from Mobile to St. Louis

Our best United Airlines deals on Mobile to St. Louis flight tickets
United Airlines
Apr 4
MOB4:55 pmMobile
5h 33m
1 stop
STL10:28 pmLambert-St Louis
Apr 19
STL6:00 amLambert-St Louis
5h 50m
1 stop
MOB11:50 amMobile
$328
United Airlines
Feb 24
MOB4:55 pmMobile
5h 19m
1 stop
STL10:14 pmLambert-St Louis
Feb 28
STL4:28 pmLambert-St Louis
5h 31m
1 stop
MOB9:59 pmMobile
$339
United Airlines
Feb 24
MOB12:45 pmMobile
8h 20m
2 stops
STL9:05 pmLambert-St Louis
Feb 28
STL4:28 pmLambert-St Louis
5h 31m
1 stop
MOB9:59 pmMobile
$344

American Airlines flights from Mobile to St. Louis

Our best American Airlines deals on Mobile to St. Louis flight tickets
American Airlines
Feb 19
MOB5:23 amMobile
5h 38m
1 stop
STL11:01 amLambert-St Louis
Feb 23
STL4:13 pmLambert-St Louis
6h 57m
1 stop
MOB11:10 pmMobile
$309
American Airlines
Feb 19
MOB5:15 amMobile
10h 03m
2 stops
STL3:18 pmLambert-St Louis
Feb 23
STL4:13 pmLambert-St Louis
6h 57m
1 stop
MOB11:10 pmMobile
$314
American Airlines
Feb 19
MOB5:15 amMobile
10h 03m
2 stops
STL3:18 pmLambert-St Louis
Feb 23
STL3:49 pmLambert-St Louis
8h 02m
2 stops
MOB11:51 pmMobile
$349

momondo Fare Finder

 
Customize your flight search to find flights from Mobile 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 February 5, 2026.
Use the filters below to find and compare flights from Mobile to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Thu 2/19

5:23 am-11:01 am

1 stop5h 38m

Lambert-St Louis

Mon 2/23

4:13 pm-11:10 pm

1 stop6h 57m

$309

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Thu 2/19

5:15 am-3:18 pm

2 stops10h 03m

Lambert-St Louis

Mon 2/23

4:13 pm-11:10 pm

1 stop6h 57m

$314

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Sat 4/4

4:55 pm-10:28 pm

1 stop5h 33m

Lambert-St Louis

Sun 4/19

6:00 am-11:50 am

1 stop5h 50m

$328

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Thu 3/26

6:48 pm-11:58 pm

1 stop5h 10m

Lambert-St Louis

Tue 3/31

6:59 pm-11:28 pm

1 stop4h 29m

$334

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Tue 2/24

4:55 pm-10:14 pm

1 stop5h 19m

Lambert-St Louis

Sat 2/28

4:28 pm-9:59 pm

1 stop5h 31m

$339

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Tue 2/24

12:45 pm-9:05 pm

2 stops8h 20m

Lambert-St Louis

Sat 2/28

4:28 pm-9:59 pm

1 stop5h 31m

$344

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Tue 2/24

12:45 pm-9:05 pm

2 stops8h 20m

Lambert-St Louis

Sat 2/28

7:41 am-6:13 pm

2 stops10h 32m

$349

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Tue 2/24

10:24 am-3:38 pm

1 stop5h 14m

Lambert-St Louis

Sat 2/28

4:28 pm-9:59 pm

1 stop5h 31m

$374

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Tue 2/24

12:45 pm-9:05 pm

2 stops8h 20m

Lambert-St Louis

Sat 2/28

6:00 am-12:04 pm

1 stop6h 04m

$379

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Tue 2/24

12:45 pm-9:05 pm

2 stops8h 20m

Lambert-St Louis

Sat 2/28

9:55 am-8:39 pm

2 stops10h 44m

$384

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. Louis from

How to get the cheapest flight ticket from Mobile 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 airlines fly to St. Louis?

Delta, Allegiant Air and Southwest are the top three most popular airlines that fly to St. Louis from Mobile according to our data. Delta is the first choice among our users, with 43% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

When to book flights from Mobile to St. Louis

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

Cheap Mobile to St. Louis (MOB to STL) flight deals and tips

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

Fastest flight time

3h 44m

Direct flights

None
The fastest flight from Mobile to St. Louis takes 3h 44m
There are no direct flights from Mobile to St. Louis. There are no popular flight routes from Mobile to St. Louis.
Search flight deals

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

    The distance between Mobile and Lambert-St Louis is about 561.2 mi. A reasonable flight in good conditions will take 3h 44m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Mobile 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 airline from Mobile to St. Louis?

Best airlines flying from Mobile to St. Louis

Compare and see reviews for airlines that fly from Mobile to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $239Free CancellationRating
7.9
8,151 reviews
Search Delta flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
11,237 reviews
Search American Airlines flights

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
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Fenton
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Litchfield
Glencoe
Shrewsbury

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Mobile.

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

All flight searches from Mobile to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to St. Louis from Mobile. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Mobile to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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