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$169+ Cheap flights from Mobile to St. Louis (MOB - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
MOB — STL
août 3 — août 101
dim. 8/3
dim. 8/10
1 adult, Economy
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Cheap flight deals from Mobile to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Mobile (MOB) to St. Louis (STL). 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 juillet 29, 2025.

Round-trip from

$259
(American Airlines)

One-way from

$169
(Delta)

Popular in

March

Cheapest in

November

Average price

$323
From Mobile to Lambert-St Louis
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One-way flight from Mobile to Lambert-St Louis
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Highest demand for flights based on searches. 10% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Mobile to St. Louis

Cheapest flights from Mobile to St. Louis
Explore the most affordable flight options available from Mobile to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 29, 2025.

This Delta deal was found by Cheapflights users on 7/29. 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.
mar. 12/305:26 pmMOB - STL
1 stop6h 13mDelta
sam. 1/37:15 amSTL - MOB
1 stop6h 04mDelta
Deal found 7/29$249
This American Airlines deal was found by Cheapflights users on 7/29. 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.
mer. 8/135:07 pmMOB - STL
1 stop5h 58mAmerican Airlines
dim. 8/175:15 amSTL - MOB
1 stop6h 34mAmerican Airlines
Deal found 7/29$259
This United Airlines deal was found by Cheapflights users on 7/27. 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.
lun. 9/81:09 pmMOB - STL
1 stop5h 49mUnited Airlines
dim. 9/146:15 amSTL - MOB
1 stop5h 28mUnited Airlines
Deal found 7/27$319

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated juillet 29, 2025.
Use the filters below to find and compare flights from Mobile to St. Louis that are best for you.

Fly from

Mobile

Fly to

St. Louis

Route

Depart

Return

Price

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

mer. 8/13

5:07 pm-11:05 pm

1 stop5h 58m

Lambert-St Louis

dim. 8/17

5:15 am-11:49 am

1 stop6h 34m

$259

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

lun. 9/8

1:09 pm-6:58 pm

1 stop5h 49m

Lambert-St Louis

dim. 9/14

6:15 am-11:43 am

1 stop5h 28m

$319

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

mar. 8/26

6:00 am-12:31 pm

1 stop6h 31m

Lambert-St Louis

mar. 8/26

5:11 pm-11:16 pm

1 stop6h 05m

$393

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

sam. 8/30

6:00 am-12:31 pm

1 stop6h 31m

$169

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

sam. 8/30

5:10 am-4:46 pm

2 stops11h 36m

$232

MobileSt. Louis

MOB - STL

MOBSTL

Mobile

mar. 8/5

11:15 am-6:53 pm

1 stop7h 38m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Mobile to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Mobile 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 Mobile to St. Louis

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

Currently, August is the cheapest month in which you can book a flight from Mobile to St. Louis (average of $311). Flying from Mobile to St. Louis in March is currently the most expensive (average of $356). 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 MOB to STL?

Find hourly flight availability from Mobile to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juillet 29, 2025.

It’s typically best to fly out from Mobile to St. Louis in the afternoon. Doing so could potentially save you 31% on the flight price compared to flying in the morning, which is usually more expensive.

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

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated juillet 29, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Mobile to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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

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

    Our cheapest airline available from Mobile to St. Louis is American Airlines. Our recent data shows that you can find tickets from as low as $259 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $319 and $393 round-trip. These flights start at 21% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Mobile to St. Louis are Delta ($169), American Airlines ($232), and United Airlines ($410).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Mobile to St. Louis 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 Mobile to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Mobile to St. Louis (average of $311). Flying from Mobile to St. Louis in March is currently the most expensive (average of $356). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Festus
Farmington

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Top 2 airlines flying from Mobile to St. Louis

Discover the top 2 airlines that operate flights from Mobile to St. Louis. 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 juillet 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$314FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$253Average$318FlexibilityNo cancel feeOn-time71%

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