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$249+ Cheap flights from St. Louis to Mobile (STL - MOB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MOB
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from St. Louis to Mobile

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Mobile (MOB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$249
(Delta)

Popular in

March

Cheapest in

May

Average price

$343
From Lambert-St Louis to Mobile
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Mobile

Cheapest flights from St. Louis to Mobile
Explore the most affordable flight options available from St. Louis to Mobile. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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 11/13:59 pmSTL - MOB
1 stop6h 49mDelta
Tue 11/41:17 pmMOB - STL
1 stop4h 45mDelta
Deal found 9/10$249
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 9/297:16 amSTL - MOB
1 stop4h 47mAmerican Airlines
Mon 10/66:27 pmMOB - STL
1 stop5h 31mAmerican Airlines
Deal found 9/11$254
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 9/259:19 amSTL - MOB
1 stop6h 39mDelta
Mon 9/294:43 pmMOB - STL
1 stop6h 41mDelta
Deal found 9/10$259
This American Airlines deal was found by Cheapflights users on 9/10. 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 11/19:58 amSTL - MOB
2 stops7h 58mAmerican Airlines
Tue 11/411:13 amMOB - STL
2 stops10h 06mAmerican Airlines
Deal found 9/10$303
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/255:18 amSTL - MOB
1 stop6h 41mAmerican Airlines
Mon 9/291:50 pmMOB - STL
2 stops9h 58mAmerican Airlines
Deal found 9/10$304
This Delta deal was found by Cheapflights users on 9/10. 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.
Fri 9/196:42 pmSTL - MOB
1 stop4h 30mDelta
Sun 9/216:57 pmMOB - STL
1 stop4h 27mDelta
Deal found 9/10$309
This Delta deal was found by Cheapflights users on 9/10. 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.
Fri 10/36:42 pmSTL - MOB
1 stop4h 30mDelta
Sun 10/56:57 pmMOB - STL
1 stop4h 27mDelta
Deal found 9/10$329
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/311:10 amSTL - MOB
2 stops10h 38mUnited Airlines
Sun 10/55:23 pmMOB - STL
1 stop4h 37mUnited Airlines
Deal found 9/10$363
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/18:20 amSTL - MOB
1 stop6h 02mUnited Airlines
Mon 11/33:15 pmMOB - STL
1 stop24h 35mUnited Airlines
Deal found 9/11$372
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/256:15 amSTL - MOB
1 stop5h 28mUnited Airlines
Mon 9/295:23 pmMOB - STL
1 stop4h 37mUnited Airlines
Deal found 9/10$413

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Mobile 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 September 11, 2025.
Use the filters below to find and compare flights from St. Louis to Mobile that are best for you.

Fly from

St. Louis

Fly to

Mobile

Route

Depart

Return

Price

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Sat 11/1

3:59 pm-10:48 pm

1 stop6h 49m

Mobile

Tue 11/4

1:17 pm-6:02 pm

1 stop4h 45m

$249

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Fri 10/24

5:15 pm-10:48 pm

1 stop5h 33m

Mobile

Mon 10/27

6:59 pm-11:41 pm

1 stop4h 42m

$249

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Thu 10/2

5:27 am-12:21 pm

1 stop6h 54m

Mobile

Wed 10/8

6:21 pm-11:18 pm

1 stop4h 57m

$250

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Sat 11/1

9:58 am-5:56 pm

2 stops7h 58m

Mobile

Tue 11/4

5:08 am-12:37 pm

1 stop7h 29m

$254

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Thu 9/25

9:19 am-3:58 pm

1 stop6h 39m

Mobile

Mon 9/29

4:43 pm-11:24 pm

1 stop6h 41m

$259

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Mon 10/6

6:52 pm-10:48 pm

1 stop3h 56m

Mobile

Mon 10/13

6:59 pm-11:41 pm

1 stop4h 42m

$274

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Thu 9/25

5:18 am-11:59 am

1 stop6h 41m

Mobile

Mon 9/29

1:50 pm-11:48 pm

2 stops9h 58m

$304

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Fri 9/19

6:42 pm-11:12 pm

1 stop4h 30m

Mobile

Sun 9/21

6:57 pm-11:24 pm

1 stop4h 27m

$309

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Thu 11/20

8:20 am-4:07 pm

1 stop7h 47m

Mobile

Sun 11/23

3:15 pm-10:22 pm

1 stop7h 07m

$319

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Mon 9/29

5:11 pm-9:48 pm

1 stop4h 37m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 16 results
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Best time to book a flight from St. Louis to Mobile

Have a flexible travel schedule? Discover the best time to fly to Mobile from St. Louis with our price prediction graph.
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 Mobile

What is the cheapest month to book a flight from St. Louis to Mobile?

Currently, August is the cheapest month in which you can book a flight from St. Louis to Mobile (average of $348). Flying from St. Louis to Mobile in March is currently the most expensive (average of $468). 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.

What is the cheapest time of day to fly from STL to MOB?

Find hourly flight availability from St. Louis to Mobile. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s typically best to fly out from St. Louis to Mobile in the evening. Doing so could potentially save you 43% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from St. Louis to Mobile?

Reviews of airlines servicing Mobile

Get insights into the airlines that provide service to Mobile. 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 Mobile. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from St. Louis to Mobile, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Mobile. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Mobile?

    For as low as $249, Delta can have you in Mobile from St. Louis in 6h 49m. The distance from St. Louis to Mobile is about 570 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Mobile round-trip?

    American Airlines, at $243, was found to be the cheapest airline from St. Louis to Mobile.Alternate airlines to your destination round-trip include Delta and United Airlines. American Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Mobile one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $304. Users have also found prices from $375 and $375 on Delta and American Airlines, respectively.

  • Can I find deals for flights from St. Louis to Mobile that include hotel bookings?

    Yes. In addition to deals on St. Louis to Mobile flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Mobile?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Mobile.

  • Can I find deals for business class flights from St. Louis to Mobile?

    Yes. Cheapflights offers flight deals from St. Louis to Mobile by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Mobile?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Mobile (average of $348). Flying from St. Louis to Mobile in March is currently the most expensive (average of $468). 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.

See more FAQs

Traveling to a place near Mobile?

Book flights to Mobile if you plan to visit one of these locations
Pascagoula
Moss Point

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Alternative routes for St. Louis to Mobile

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Top 3 airlines flying from St. Louis to Mobile

Discover the top 3 airlines that operate flights from St. Louis to Mobile. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$243Average$368FlexibilityNo cancel feeOn-time71%
DeltaCheapest$244Average$432FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$448FlexibilityNo cancel feeOn-time69%

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