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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 10/31. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Mobile to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 10:51 am
MOB
-
STL
4h 51m
1 stop
Delta Logo
6:00 am - 11:17 am
STL
-
MOB
5h 17m
1 stop
$309Delta
Sat, Oct 31 - Wed, Nov 4
American Airlines Logo
12:42 pm - 8:03 pm
MOB
-
STL
7h 21m
1 stop
American Airlines Logo
5:32 am - 11:16 am
STL
-
MOB
5h 44m
1 stop
$339American Airlines
Fri, Jul 10 - Sun, Jul 12
Delta Logo
12:06 pm - 4:17 pm
MOB
-
STL
4h 11m
1 stop
Delta Logo
7:00 am - 11:20 am
STL
-
MOB
4h 20m
1 stop
$354Delta
Fri, Aug 7 - Sun, Aug 9
American Airlines Logo
12:42 pm - 8:03 pm
MOB
-
STL
7h 21m
1 stop
American Airlines Logo
5:32 am - 11:16 am
STL
-
MOB
5h 44m
1 stop
$369American Airlines
Fri, Jul 10 - Sun, Jul 12
American Airlines Logo
11:41 am - 6:05 pm
MOB
-
STL
6h 24m
1 stop
American Airlines Logo
5:42 am - 11:11 am
STL
-
MOB
5h 29m
1 stop
$394American Airlines
Sun, Aug 9 - Sun, Aug 16
American Airlines Logo
12:42 pm - 8:03 pm
MOB
-
STL
7h 21m
1 stop
American Airlines Logo
5:32 am - 11:16 am
STL
-
MOB
5h 44m
1 stop
$399American Airlines
Fri, Jul 10 - Sun, Jul 12
United Airlines Logo
6:55 am - 2:13 pm
MOB
-
STL
7h 18m
1 stop
United Airlines Logo
11:25 am - 8:17 pm
STL
-
MOB
8h 52m
2 stops
$409United Airlines
Sat, Oct 31 - Wed, Nov 4
United Airlines Logo
10:59 am - 10:59 pm
MOB
-
STL
12h 00m
2 stops
United Airlines Logo
8:30 am - 6:33 pm
STL
-
MOB
10h 03m
2 stops
$415United Airlines
Wed, Aug 26 - Sat, Aug 29
United Airlines Logo
10:30 am - 4:39 pm
MOB
-
STL
6h 09m
1 stop
United Airlines Logo
7:33 am - 4:08 pm
STL
-
MOB
8h 35m
2 stops
$477United Airlines
Sat, Oct 31 - Tue, Nov 3
United Airlines Logo
11:00 am - 11:44 pm
MOB
-
STL
12h 44m
2 stops
United Airlines Logo
6:14 am - 11:57 am
STL
-
MOB
5h 43m
1 stop
$495United Airlines
Fri, Aug 7 - Sun, Aug 9

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American Airlines flights from Mobile to St. Louis

Our best American Airlines deals on Mobile to St. Louis flight tickets
American Airlines
Jul 10
MOB12:42 pmMobile
7h 21m
1 stop
STL8:03 pmLambert-St Louis
Jul 12
STL5:32 amLambert-St Louis
5h 44m
1 stop
MOB11:16 amMobile
$339
American Airlines
Jul 10
MOB12:42 pmMobile
7h 21m
1 stop
STL8:03 pmLambert-St Louis
Jul 12
STL5:32 amLambert-St Louis
5h 44m
1 stop
MOB11:16 amMobile
$369
American Airlines
Aug 9
MOB11:41 amMobile
6h 24m
1 stop
STL6:05 pmLambert-St Louis
Aug 16
STL5:42 amLambert-St Louis
5h 29m
1 stop
MOB11:11 amMobile
$394

United Airlines flights from Mobile to St. Louis

Our best United Airlines deals on Mobile to St. Louis flight tickets
United Airlines
Oct 31
MOB6:55 amMobile
7h 18m
1 stop
STL2:13 pmLambert-St Louis
Nov 4
STL11:25 amLambert-St Louis
8h 52m
2 stops
MOB8:17 pmMobile
$409
United Airlines
Aug 26
MOB10:59 amMobile
12h 00m
2 stops
STL10:59 pmLambert-St Louis
Aug 29
STL8:30 amLambert-St Louis
10h 03m
2 stops
MOB6:33 pmMobile
$415
United Airlines
Oct 31
MOB10:30 amMobile
6h 09m
1 stop
STL4:39 pmLambert-St Louis
Nov 3
STL7:33 amLambert-St Louis
8h 35m
2 stops
MOB4:08 pmMobile
$477

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 June 30, 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

Cheapest round-trip

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Sat 10/31

6:00 am-10:51 am

1 stop4h 51m

Lambert-St Louis

Wed 11/4

6:00 am-11:17 am

1 stop5h 17m

$309

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Fri 7/10

12:42 pm-8:03 pm

1 stop7h 21m

Lambert-St Louis

Sun 7/12

5:32 am-11:16 am

1 stop5h 44m

$339
Quickest round-trip

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Fri 8/7

12:06 pm-4:17 pm

1 stop4h 11m

Lambert-St Louis

Sun 8/9

7:00 am-11:20 am

1 stop4h 20m

$354

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Fri 7/10

12:42 pm-8:03 pm

1 stop7h 21m

Lambert-St Louis

Sun 7/12

5:32 am-11:16 am

1 stop5h 44m

$369

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Sun 8/9

11:41 am-6:05 pm

1 stop6h 24m

Lambert-St Louis

Sun 8/16

5:42 am-11:11 am

1 stop5h 29m

$394

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Fri 7/10

12:42 pm-8:03 pm

1 stop7h 21m

Lambert-St Louis

Sun 7/12

5:32 am-11:16 am

1 stop5h 44m

$399

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Sat 10/31

6:55 am-2:13 pm

1 stop7h 18m

Lambert-St Louis

Wed 11/4

11:25 am-8:17 pm

2 stops8h 52m

$409

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Wed 8/26

10:59 am-10:59 pm

2 stops12h 00m

Lambert-St Louis

Sat 8/29

8:30 am-6:33 pm

2 stops10h 03m

$415

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Sat 10/31

10:30 am-4:39 pm

1 stop6h 09m

Lambert-St Louis

Tue 11/3

7:33 am-4:08 pm

2 stops8h 35m

$477

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

Fri 8/7

11:00 am-11:44 pm

2 stops12h 44m

Lambert-St Louis

Sun 8/9

6:14 am-11:57 am

1 stop5h 43m

$495

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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 is the cheapest month to fly to St. Louis?

In general, November is the cheapest month to fly from Mobile to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of April is another great option to travel to St. Louis, with average flight prices from Mobile averaging around $0.

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

4h 10m

Direct flights

None
The fastest flight from Mobile to St. Louis takes 4h 10m
There are no direct flights from Mobile to St. Louis. There are no popular flight routes from Mobile to St. Louis.
Search flight deals

Frequently asked questions about flying from Mobile to St. Louis

  • 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 4h 10m.

  • 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
7.8
8,451 reviews
Search Delta flights
American AirlinesPriceFrom $283Free CancellationRating
7.1
11,762 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
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Alton
Fenton
Farmington
Wentzville
Clayton
Festus
Eureka
Litchfield
Edwardsville
Grafton
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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